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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 35375. Отображено 100.
08-11-2017 дата публикации

Сопловой аппарат турбины

Номер: RU0000174862U1
Автор: Алексей Владимирович Григорьев, Анастасия Валерьевна Соловьева, Юрий Николаевич Журенков
Принадлежит: Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК")

Полезная модель относится к авиационной технике, в частности к сопловым аппаратам турбины, и может быть использована в малоразмерных газотурбинных двигателях вертолетов и беспилотных летательных аппаратов. Сопловой аппарат газовой турбины включает лопатки, установленные между наружной и внутренней обоймами, закрепленные между собой стяжными хомутами. Лопатки, наружная и внутренняя обоймы, стяжные хомуты изготовлены методом селективного лазерного плавления и с применением минимальной механической обработки. Техническим результатом заявленной полезной модели является упрощение процесса и сокращение времени изготовления соплового аппарата турбины. 6 ил. Ц 1 174862 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) (11) Зав а за о 0 (13) (51) МПК ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ НОО 902 (2006.01) В22Е 3/105 (2006.01) В22Е 504 (2006.01) (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21)(22) Заявка: 2016148925, 13.12.2016 (24) Дата начала отсчета срока действия патента: 13.12.2016 Дата регистрации: 08.11.2017 Приоритет(ы): (22) Дата подачи заявки: 13.12.2016 (45) Опубликовано: 08.11.2017 Бюл. № 31 Адрес для переписки: 105118, Москва, пр-т Буденного, 16, АО "ОДК", Жамойдику К.М. (72) Автор(ы): Григорьев Алексей Владимирович (КО), Соловьева Анастасия Валерьевна (КО), Журенков Юрий Николаевич (КП) (73) Патентообладатель(и): Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК”) (ВУ) (56) Список документов, цитированных в отчете о поиске: КО 2593312 С2, 10.08.2016. 0$ 2008/ 0014457 АТ, 17.01.2008. КО 2568600 СТ, 20.11.2015. ВО 151769 01, 20.04.2015. ВО 2260700 С1, 20.09.2005. (54) Сопловой аппарат турбины (57) Реферат: Полезная модель относится к авиационной технике, в частности к сопловым аппаратам турбины, и может быть использована в малоразмерных газотурбинных двигателях вертолетов и беспилотных летательных аппаратов. Сопловой аппарат газовой турбины включает лопатки, установленные между наружной и внутренней обоймами, закрепленные между собой стяжными ...

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Номер записи: 1
09-04-2019 дата публикации

Печатающая головка для строительных 3d-принтеров

Номер: RU0000188386U1
Автор: Артемий Васильевич Кропачев, Роман Васильевич Кропачев, Эльза Робертовна Ахтямова
Принадлежит: Роман Васильевич Кропачев

Полезная модель относится к области машиностроения и строительной отрасли и предназначена для изготовления строительных конструкций, в том числе для строительства жилых домов, зданий и сооружений различного назначения. Техническим результатом полезной модели является повышение производительности строительного 3D-принтера, который достигается за счет того, что печатающая головка для строительных 3D-принтеров содержит раму, механизмы перемещения экструдера по осям X, Y, Z с двигателями и приводами механизмов перемещения, экструдер, устройство позиционирования экструдера и устройство приготовления и подачи смеси в печатающую головку, отличающаяся тем, что содержит как минимум пару экструдеров, механизм перемещения каждого из которых выполнен в виде манипулятора, представляющего собой систему подвижно связанных со множеством степеней свободы, рычагов, экструдеры смонтированы подвижно на манипуляторах, на раме и на экструдерах смонтированы датчики положения в пространстве, а устройство приготовления и подачи строительной смеси выполнено в виде шнекового дозатора. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 188 386 U1 (51) МПК B33Y 30/00 (2015.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК B33Y 30/00 (2019.02) (21) (22) Заявка: 2019101351, 18.01.2019 (24) Дата начала отсчета срока действия патента: 18.01.2019 (73) Патентообладатель(и): Кропачев Роман Васильевич (RU) 09.04.2019 (56) Список документов, цитированных в отчете о поиске: RU 2636980 C1, 29.11.2017. US (45) Опубликовано: 09.04.2019 Бюл. № 10 1 8 8 3 8 6 R U (54) ПЕЧАТАЮЩАЯ ГОЛОВКА ДЛЯ СТРОИТЕЛЬНЫХ 3D-ПРИНТЕРОВ (57) Реферат: Полезная модель относится к области позиционирования экструдера и устройство машиностроения и строительной отрасли и приготовления и подачи смеси в печатающую предназначена для изготовления строительных головку, отличающаяся тем, что содержит как конструкций, в том числе для строительства минимум пару экструдеров, механизм жилых домов, ...

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Номер записи: 2
02-02-2012 дата публикации

Systems and methods for stator bar press tooling

Номер: US20120024465A1
Автор: Caleb James Munholand, David John Wardell, Mark Kent Shoemaker, Mark Stephen Clough
Принадлежит: General Electric Co

Certain embodiments of the invention may include systems and methods for providing stator bar press tooling. According to an example embodiment of the invention, a method is provided for pressing and curing insulation material on a shaped element. The method can include providing tooling. The tooling can include an inner press and an outer press, wherein at least an inner press surface associated with the inner press and an outer press surface associated with the outer press are fabricated at least in part by sintering. The method can include applying at least one of pressure or heat to insulation material in contact with a shaped element with the tooling, wherein the inner press surface and the outer press surface of the tooling conform to least an external portion of the shaped element.

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Номер записи: 3
01-03-2012 дата публикации

Structure manufacturing method and structure

Номер: US20120052260A1
Автор: Shin Masuhara
Принадлежит: Sony Corp

A structure manufacturing method includes laminating a first film on a base material, selectively irradiating the first film with an energy ray depending on a position of a surface of the first film on the base material, to form a latent image of a pattern on the first film, laminating a second film on the surface of the first film, and supplying a developer to the second film and removing a removal target portion of the first film to be selectively removed along with the second film, thereby developing the pattern.

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Номер записи: 4
30-08-2012 дата публикации

Method and device for producing a component of a turbomachine

Номер: US20120217226A1
Автор: Erwin Bayer, Sven-J. Hiller
Принадлежит: MTU AERO ENGINES GMBH

The invention relates to a method for producing a component ( 10 ) of a turbomachine, especially a structural part of a turbine or a compressor, the method being a generative production method for the layer-by-layer buildup of the component ( 10 ). After production of one or more successive component layers pressure is applied to at least sections of the surface of the most recently produced component layer ( 12 ), the pressure being induced by laser or plasma. The invention further relates to a device for producing a component ( 10 ) of a turbomachine, especially a structural part of a turbine or a compressor, the device ( 26 ) comprising at least one powder feed ( 28 ) for the deposition of at least one powder component material ( 16 ) onto a component platform, at least one radiation source ( 14 ) for a local layer-by-layer fusion or sintering of the component material ( 16 ) and at least one laser radiation source ( 20 ) or at least one plasma impulse source.

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Номер записи: 5
06-09-2012 дата публикации

Apparatus and method for producing a three-dimensional object

Номер: US20120223059A1
Автор: Ulf Ackelid
Принадлежит: ARCAM AB

The invention concerns an apparatus for producing a three-dimensional object layer by layer using a powdery material which can be solidified by irradiating it with an energy beam, said apparatus comprising an electron gun for generating said energy beam and a working area onto which the powdery material is distributed and over which the energy beam sweeps during irradiation. The invention is characterized in that the apparatus is provided with a system for feeding controlled amounts of a reactive gas into the apparatus such as to contact the reactive gas with material positioned on the working area, said reactive gas being capable of, at least when having been exposed to the energy beam, reacting chemically and/or physically with the material positioned on the working area. The invention also concerns a method for operating an apparatus of the above type.

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Номер записи: 6
25-10-2012 дата публикации

Uv curing creating flattop and roundtop structures on a single printing plate

Номер: US20120266767A1
Автор: Thomas Klein, Wolfgang Sievers
Принадлежит: Esko Graphics Imaging GmbH

A method of imaging a printing plate with imaging data and curing the printing plate made of or having photo-curable material that includes an ablatable mask. In one embodiment, the method comprises imaging the ablatable mask with a first portion of imaging data to produce a partially imaged uncured plate. Imaging data includes the first portion of imaging data and a second portion of imaging data. The method includes curing the partially imaged uncured plate using UV with a first set of parameters to produce a partially cured plate with a partially ablated mask thereon, the curing arranged for producing flat tops, imaging the partially ablated mask on the partially cured plate with the second portion of imaging data to produce a totally imaged partially cured plate, and curing the totally imaged partially cured plate with a second set of one or more curing parameters to produce a totally cured plate to produce round tops.

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Номер записи: 7
22-11-2012 дата публикации

Process for Producing Metallic Components

Номер: US20120295124A1
Автор: Rainer Schuster
Принадлежит: MAN Truck and Bus SE

A process for producing a metallic component with an opening or a hollow space by selective laser sintering or laser melting includes melting a metallic powder in layers at appropriate cross-sectional regions by using laser radiation. After the laser sintering or laser melting process, the component is subjected to a fracture splitting process, in which the component is fractured into at least two fractional parts along a fracture line and then the at least two fractional parts are connected to one another at the sites of fracture to form the component. The fracture line contacts or passes through the opening or the hollow space.

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Номер записи: 8
06-12-2012 дата публикации

Patient-specific manufacturing of porous metal prostheses

Номер: US20120310364A1
Автор: Edward M. Willis, Jeffrey Bassett, JIA Li, Scott V. Cron
Принадлежит: Zimmer Inc

A patient-specific porous metal prosthesis and a method for manufacturing the same are provided. The orthopaedic prosthesis may be metallic to provide adequate strength and stability. Also, the orthopaedic prosthesis may be porous to promote bone ingrowth.

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Номер записи: 9
03-01-2013 дата публикации

Turbine blade and method for its production

Номер: US20130001837A1
Автор: Frank Kernstock, Jens Göhler, Martin Schäfer, Olaf Rehme
Принадлежит: SIEMENS AG

A method of producing a turbine blade is provided, wherein the turbine blade is produced by an additive production method. Cavities and/or lattice structures can be produced in one and the same process. The additive production method also allows drainage slots, heating openings, and/or other holes or, as the case may be, recesses to be provided in the turbine blade while the turbine blade is being produced. Holes can furthermore be furnished completely or partially with a lattice structure.

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Номер записи: 10
21-03-2013 дата публикации

Three-Dimensional Weave-Forming Method for Composites

Номер: US20130073074A1
Автор: Feng Liu, Xiaoli Dong, Zhilin Lin, Zhongde Shan
Принадлежит: Advanced Manufacture Technology Center China Academy of Machinery Science and Technology

The invention relates to a three-dimensional weave-forming method for composites, comprising the following steps: dividing the CAD model into layers according to the structure of a component, designing by layers and optimizing weaving paths; disposing weaving guiding poles on a controllable digital layout template according to preset rules and intervals; In the direction Z, passing guiding sleeves through the hollow guiding poles and evaginating the guiding sleeves, and then fixing the guiding sleeves onto the controllable digital layout template; selecting filaments to weave; after the weaving of one layer thickness is finished, descending the template in the thickness by one layer to drive the guiding sleeves to expose outside a preset distance to form a new layer of layout template; weaving layer by layer until the whole component is finished; dismounting the component and sewing; and dipping the component in resin and finishing the manufacture of the part. According to the method, the rapid prototyping technology and the weaving technology are organically combined, so that the three-dimensional weaving of components with complex function is realized. Simultaneously, the preparation of composite and the forming of components are integrated, so that the manufacture of functional components with complex structure is realized.

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Номер записи: 11
30-05-2013 дата публикации

Optical irradiation device for a system for producing three-dimensional work pieces by irradiating powder layers of a powdered raw material using laser radiation

Номер: US20130134637A1
Автор: Andreas Wiesner, Dieter Schwarze, Henner Schoeneborn
Принадлежит: SLM Solutions Group AG

An optical irradiation device is provided which includes a multimode optical fiber suitable for the central wavelength of a beam of light having a first beam profile which enters through an input connection for multimode guidance; a switching device, which can be switched between a first and second light conducting state and is configured to conduct the beam of light entering through the input connection in the first light conducting state to an output connection, such that the beam of light has the first beam profile on emerging from the output connection, and guides the beam of light entering the input connection to the output connection by the multimode optical fiber in the second light conducting state, so that the beam of light has a second beam profile different from the first beam profile on emerging from the output connection by the multimode guidance in the multimode optical fiber.

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Номер записи: 12
30-05-2013 дата публикации

Process for producing polyimide film, polyimide film and laminate comprising the same

Номер: US20130136934A1
Автор: Hideki Iwai, Jin Kobayashi, Tatsushi Nakayama, Youhei Oosumi
Принадлежит: UBE Industries Ltd

The present invention relates to a polyimide film prepared from a tetracarboxylic acid component and a diamine component, wherein the strength of orientation anisotropy in the film length of 2000 mm is 1.2 or less and/or the strength of orientation anisotropy in the film length of 1800 mm is 1.1 or less.

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Номер записи: 13
13-06-2013 дата публикации

ROLLING BEARING AND MANUFACTURING METHOD THEREOF

Номер: US20130148919A1
Автор: Matsuo Akira, Nakagawa Tsutomu, Nishimura Masashi, Oishi Shinji, TAKEGUCHI Shunsuke
Принадлежит: NTN CORPORATION

The present invention provides a rolling bearing which is excellent in strength, rigidity, heat resistance, and dimensional accuracy while being able to hold rolling elements in a stable manner and reduce manufacturing cost without degrading performance as a bearing and a manufacturing method for the rolling bearing. To achieve the object, the present invention adopts a rolling bearing including a cage provided with a plurality of pockets for housing and hold the rolling elements arranged at specific intervals in a circumferential direction in a peripheral wall of a cylindrical member. The cage is formed integrally by metal powder injection molding; and the cage includes a housing space for the rolling elements and a rolling-element fall-out prevention structure is formed by applying compressive working to an outer edge of the housing space in a direction from an outer circumferential surface toward a radial center of the cage. 1. A rolling bearing comprising a cage provided with a plurality of pockets for housing and hold rolling elements arranged at specific intervals in a circumferential direction in a peripheral wall of a cylindrical member , wherein:the cage is formed integrally by metal powder injection molding; andthe cage includes a housing space for the rolling elements and a rolling-element fall-out prevention structure provided in the housing space.2. The rolling bearing according to claim 1 , wherein the rolling-element fall-out prevention structure is formed by applying compressive plastic working to an outer edge of the housing space in a direction from an outer circumferential surface toward a radial center of the cage.3. The rolling bearing according to claim 1 , wherein the rolling-element fall-out prevention structure is formed by applying plastic bending to projections radially protruding from an outer circumferential surface of the cage to outward.4. The rolling bearing according to claim 1 , wherein:the rolling-element fall-out prevention ...

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Номер записи: 14
12-09-2013 дата публикации

RIBBON LIQUEFIER AND METHOD OF USE IN EXTRUSION-BASED DIGITAL MANUFACTURING SYSTEMS

Номер: US20130234366A1
Автор: Batchelder J. Samuel, Crump S. Scott, Swanson William J.
Принадлежит: Stratasys, Inc

A ribbon liquefier comprising an outer liquefier portion configured to receive thermal energy from a heat transfer component, and a channel at least partially defined by the outer liquefier portion, where the channel has dimensions that are configured to receive the ribbon filament, and where the ribbon liquefier is configured to melt the ribbon filament received in the channel to at least an extrudable state with the received thermal energy to provide a melt flow. The dimensions of the channel are further configured to conform the melt flow from an axially-asymmetric flow to a substantially axially-symmetric flow in an extrusion tip connected to the ribbon liquefier. 1. A method for building a three-dimensional model in an extrusion-based digital manufacturing system , the method comprising:heating a ribbon liquefier retained by the extrusion-based digital manufacturing system, the ribbon liquefier having a static channel with an inlet end and an outlet end;feeding a ribbon filament into the inlet end of the static channel of the heated ribbon liquefier;melting the ribbon filament in the static channel to at least an extrudable state with the heat to provide a molten material, wherein the molten material conforms to an axially-asymmetric flow in the channel;moving the molten material having the axially-asymmetric flow from the static channel to an extrusion tip disposed at the outlet end of the channel with a viscosity-pump action of the fed ribbon filament;conforming the molten material to a substantially axially-symmetric flow;extruding the molten material having the substantially axially-symmetric flow from the extrusion tip; anddepositing the extruded material as a road to form at least a portion of a layer of the three-dimensional model.2. The method of claim 1 , wherein the static channel extends along a longitudinal axis and has a substantially-rectangular cross section perpendicular to the longitudinal axis claim 1 , wherein the substantially-rectangular ...

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Номер записи: 15
26-09-2013 дата публикации

SINTERED BEARING AND PREPARATION METHOD THEREOF

Номер: US20130251586A1
Автор: Choi Tae-Young, Chu Gyo-Jin, Kim Hae-Sik, KIM HYUN-TAE, Tae Soon-Jae, Yoon Tae-Il
Принадлежит:

The present invention relates to a sintered bearing and a preparation method thereof, wherein the method comprises: a step for forming a mixed powder by mixing metal powder, kish graphite, and lubricant; forming a molded body by applying pressure to the mixed powder; forming a sintered body by sintering the molded body; and impregnating the sintered body in oil. The invention is prepared by adding 0.01-10 parts by weight of kish graphite to metal powder and thus provides excellent abrasion resistance, strength, and self lubricity. 1. A sintered bearing , comprising metal powder , kish graphite , and a lubricant.2. The sintered bearing of claim 1 , comprising claim 1 , based on a total weight thereof claim 1 , 0.01˜10 parts by weight of the kish graphite claim 1 , 0.01˜1.0 parts by weight of the lubricant claim 1 , and a balance of the metal powder.3. The sintered bearing of claim 1 , wherein the metal powder is one or more selected from the group consisting of a pure iron system claim 1 , an iron-copper system claim 1 , an iron-carbon system claim 1 , an iron-carbon-copper system claim 1 , a bronze system claim 1 , and an iron-carbon-copper-nickel system.4. The sintered bearing of claim 1 , wherein the kish graphite is a byproduct of iron production.5. A method of manufacturing a sintered bearing claim 1 , comprising:mixing metal powder, kish graphite, and a lubricant, thus forming a powder mixture;applying pressure to the powder mixture, thus forming a molded body;sintering the molded body, thus forming a sintered body; andimpregnating the sintered body with oil.6. The method of claim 5 , wherein the powder mixture comprises claim 5 , based on a total weight thereof claim 5 , 0.01˜10 parts by weight of the kish graphite claim 5 , 0.01˜1.0 parts by weight of the lubricant claim 5 , and a balance of the metal powder.7. The method of claim 5 , wherein the metal powder is one or more selected from the group consisting of a pure iron system claim 5 , an iron-copper ...

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Номер записи: 16
31-10-2013 дата публикации

GENERATIVELY PRODUCED TURBINE BLADE AND DEVICE AND METHOD FOR PRODUCING SAME

Номер: US20130287590A1
Автор: Bayer Erwin, Jakimov Andreas, Kopperger Bertram, Meir Wilhelm, Neuhaeusler Stefan, Waermann Josef
Принадлежит: MTU Aero Engines AG

The present invention relates to a method for producing gas turbine components, in particular aircraft turbine components, preferably low-pressure turbine blades, from a powder which is sintered selectively in layers by locally limited introduction of radiant energy, wherein the sintering is carried out in a closed first housing (), so that a defined atmosphere can be set, wherein the powder or at least a part of the powder is generated in the same first housing () or in a second housing connected to the first housing in a gas-tight manner. The invention further relates to a corresponding apparatus and to a gas turbine blade produced thereby. 110.-. (canceled)11. A method for producing a gas turbine component , wherein the method comprises producing the component from a powder which is sintered selectively in layers by locally limited introduction of radiant energy , and wherein the sintering is carried out in a closed , first housing so that a defined atmosphere can be set , and the powder or at least a part of the powder is produced in the same first housing or in a second housing connected to the first housing in a gas-tight manner.12. The method of claim 11 , wherein the sintering is effected by a laser beam or an electron beam.13. The method of claim 11 , wherein a plurality of radiation beams for introducing radiant energy are used at the same time for sintering.14. The method of claim 11 , wherein a substantially oxygen-free atmosphere or a vacuum is set.15. The method of claim 11 , wherein a metallic powder is used.16. The method of claim 11 , wherein a powder of TiAl alloy or a powder for producing a TiAl alloy is used.17. The method of claim 11 , wherein the powder is mechanically alloyed and/or a particle size distribution thereof is set.18. The method of claim 11 , wherein differently alloyed powder and/or powder set in terms of powder size is sintered in different regions of the component.19. The method of claim 11 , wherein the powder is produced by ...

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Номер записи: 17
21-11-2013 дата публикации

BUILT-UP COMPOSITE STRUCTURES WITH A GRADED COEFFICIENT OF THERMAL EXPANSION FOR EXTREME ENVIRONMENT APPLICATIONS

Номер: US20130305727A1
Автор: Comfort John M., Hand Michael L., Vollmer John G., Yousefiani Ali
Принадлежит: The Boeing Company

An integrated composite structure with a graded coefficient of thermal expansion (CTE) is formed by selecting a plurality of layers of materials with a graded CTE and using build-up (bottom-up) fabrication approaches such as metal deposition or powder metallurgy to produce a CTE-graded layered composite preform, which is then consolidated and heat treated to create the CTE graded integrated composite billet or near net shape. The integrated composite billet or near net shape is then processed to produce a first surface for attachment of a first structural member having a first CTE and to produce a second surface of for attachment of a second structural member having a second CTE. 1. A method for producing an integrated composite interface with a graded coefficient of thermal expansion (CTE) comprising the steps of:selecting a plurality of layers of graded CTE;building up the layers to form a CTE graded integrated composite employing powder metallurgy processing; andprocessing the integrated composite to produce a first surface for attachment of a first structural member having a first CTE and to produce a second surface for attachment of a second structural member having a second CTE.2. A method for producing an integrated composite interface with a graded coefficient of thermal expansion (CTE) comprising the steps of:using powder metallurgy to produce a CTE graded preform;consolidating the preform;heat treating the consolidated preform to create a CTE graded integrated composite billet; andforming the billet to provide a first surface for attachment of a first structural member having a first CTE and a second surface of for attachment of a second structural member having a second CTE.3. The method of claim 2 , wherein the step of consolidating comprises hot isostatic pressing.4. A method for producing an integrated composite interface with a graded coefficient of thermal expansion (CTE) comprising the steps of:using powder metallurgy to produce a CTE graded preform ...

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Номер записи: 18
28-11-2013 дата публикации

METHOD FOR MANUFACTURING THIN-WALLED STRUCTURES IN LAYERS

Номер: US20130312928A1
Автор: Mercelis Peter, Van Der Perre Wilfried, Van Vaerenbergh Jonas
Принадлежит: LAYERWISE N.V.

The invention concerns a method for manufacturing at least one thin-walled structure (), whereby this structure is built layer by layer by applying successive powder layers extending substantially horizontally and by moving an energy beam over each of these powder layers according to a predetermined pattern so as to make said powder melt and subsequently make it solidify or sinter, such that successive layers connected to each other of said thin-walled structure () are formed which extend according to a horizontal cross section of this thin-walled structure (). According to the method a support structure () is built in layers together with said thin-walled structures () and connected to it such that a rigid unit () is manufactured, whereby after building this unit () layer by layer, at least the thin-walled structures () are annealed in order to at least partly eliminate any stresses present, and whereby both structures are separated from each other. 11111317181111317181111317181111317181111317181414111131718111131718111131718111131718111131718. Method for manufacturing two or more thin-walled structures ( , , , ,) , whereby these thin-walled structures ( , , , ,) are built together and in layers by applying successive powder layers extending substantially horizontally and by moving an energy beam over each of these powder layers according to a predetermined pattern so as to make said powder melt entirely or partly and subsequently make it solidify or sinter , such that successive layers of said thin-walled structures ( , , , ,) are formed which extend according to a horizontal cross section of these structures , whereby said thin-walled structures ( , , , ,) are connected to each other over at least a part of their surface , such that these thin-walled structures ( , , , ,) form a rigid unit () , whereby after said unit () has been built in layers with said thin-walled structures ( , , , ,) , at least the thin-walled structures ( , , , ,) are annealed in order to ...

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Номер записи: 19
28-11-2013 дата публикации

Stereolithography resin compositions and three-dimensional objects made therefrom

Номер: US20130316154A1
Автор: Katsuyuki Takase, Masahiro Ueda, Takahiko Kurosawa
Принадлежит: DSM IP ASSETS BV, Japan Fine Coatings Co Ltd, JSR Corp

A photocurable resin composition for three-dimensional photofabrication operations, including stereolithography, comprising (A) a cationically polymerizable compound having two or more bisphenol structures and one or more hydroxyl groups, (B) a cationically polymerizable compound other than the component (A), (C) a cationic photoinitiator, (D) a radically polymerizable compound, (E) a radical photoinitiator, and (F) multilayer polymer particles having a core and a shell layer, the shell layer containing functional group-modified rubber polymer particles having at least one reactive functional group.

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Номер записи: 20
02-01-2014 дата публикации

Composite structure manufacturing method and apparatus

Номер: US20140001670A1
Автор: Michael Drever
Принадлежит: Michael Drever

A manufacturing apparatus employs three-dimensional (3D) printing technology and computer numerical controlled (CNC) positioning technology that creates composite structures of any size. The composite structures exhibit predefined characteristics suitable for different applications. The composite structures consist of plastic sheathing melded together to form bladders, as well as fabric impregnated with one or more resin-based compounds. The composite structures assume any of a myriad of predefined shapes. The composite structures exhibit fire-resistance, water-resistance, water containment, phase-change capability, ballistic protection, low weight, and may further be operable as a solar panel or be electrically conductive. The composite structures are optionally constructed with vias or pathways, through which pipes, electrical conduit, and other building materials may be threaded. The 3D printing and CNC technologies create the composite structures by printing them, already inpregnated and selectively cured. The composite structures are optionally inflated so as to take on an intended shape.

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Номер записи: 21
30-01-2014 дата публикации

Methods for Producing Coaxial Structures Using a Microfluidic Jet

Номер: US20140027952A1
Автор: David Bohling, David Michael Keicher, Fa-Gung Fan, Marcelino Essien
Принадлежит: INTEGRATED DEPOSITION SOLUTIONS Inc

The object of the invention is the provision of methods for controlled production of continuous multi-component filaments or discreet structures using a multi-component liquid jet issuing from an orifice. A multi-component jet consists of two or more liquids. The liquids may be miscible or immiscible, and form a co-axially propagating flow along the central axis of a flow cell. The working distance between the exit orifice and a substrate can be as large as 50 mm, so that in-flight processing of the jet is possible. The coaxial flow consists of an outer sheath liquid and an inner sample liquid or composite of liquids. The flow cell and the exit channel of the deposition head are heated so that the pressurized sheath liquid temperature is raised to near or above the boiling point of the sheath liquid at the local atmospheric pressure. The jet exits the deposition head through the orifice, and the outer liquid is evaporated as the jet falls at atmospheric pressure. The sheath liquid is processed thermally, optically, or chemically during flight to form a protective or insulating layer for the inner liquid or liquids. The inner liquids may contrastingly consist of an ultraviolet (UV) curable ink that is processed in-flight or after deposition. Since UV curable inks contain no volatile components, the coaxial jetted filament can be processed without producing cracks or bubbles in the sheath layer. Line widths are produced in the range from approximately 1 to 1000 microns.

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Номер записи: 22
20-03-2014 дата публикации

Reduced build mass additive manufacturing chamber

Номер: US20140077422A1
Автор: Alan B. Minick
Принадлежит: Pratt and Whitney Rocketdyne Inc

A disclosed additive manufacturing machine includes a work surface for supporting fabrication of part and a housing defining a chamber over the work surface. A material applicator supported on the housing deposits material onto the work surface and a blocker plate disposed between the material applicator and the work surface for blocking a portion of material deposited by the material applicator. An energy directing device is supported on the housing and directing energy within the chamber to form the part.

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Номер записи: 23
06-01-2022 дата публикации

SYSTEMS AND METHODS FOR PROVIDING ORTHODONTIC ALIGNERS AND OTHER DENTAL APPLIANCES

Номер: US20220000583A1
Автор: CHERKAS Andrey, Dumothier Stephan Albert Alexandre, Kalinichenko Alexey, Kharpalev Ivan, Parpara Anatoliy, Shaw Jack, Velazquez Israel
Принадлежит:

A method for manufacturing an orthodontic aligner includes printing a mold associated with a dental arch of a patient based on a digital model of the mold, forming the orthodontic aligner over the mold, and trimming the orthodontic aligner. The method further includes assessing a quality of the orthodontic aligner by receiving a digital representation of the orthodontic aligner, the digital representation having been generated based on imaging of the orthodontic aligner, analyzing the digital representation of the orthodontic aligner to identify a quality-related property of the orthodontic aligner, determining, based on the quality-related property, that the orthodontic aligner comprises a manufacturing flaw, and classifying the orthodontic aligner as requiring further inspection by a technician based on determining that the orthodontic aligner comprises the manufacturing flaw. 1. A method of manufacturing an orthodontic aligner , the method comprising: printing a mold associated with a dental arch of a patient based on a digital model of the mold;', 'forming the orthodontic aligner over the mold; and', 'trimming the orthodontic aligner; and, 'manufacturing the orthodontic aligner, wherein manufacturing the orthodontic aligner comprises receiving, by a processor, a digital representation of the orthodontic aligner, the digital representation having been generated based on imaging of the orthodontic aligner;', 'analyzing, by the processor, the digital representation of the orthodontic aligner to identify a quality-related property of the orthodontic aligner;', 'determining, based on the quality-related property, that the orthodontic aligner comprises a manufacturing flaw; and', 'classifying, by the processor, the orthodontic aligner as requiring further inspection by a technician based on determining that the orthodontic aligner comprises the manufacturing flaw., 'assessing a quality of the orthodontic aligner, wherein assessing the quality of the orthodontic ...

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Номер записи: 24
02-01-2020 дата публикации

Osteotomy assistance kit and position detection program

Номер: US20200000479A1
Автор: Makoto Goto
Принадлежит: Individual

An osteotomy assistance kit includes a bone treatment assistance device and an attaching position confirmation device. The attaching position confirmation device includes a feature point indication rod to be applied via a tip portion to a feature point of the bone, a rod support unit that removably supports the feature point indication rod such that the tip portion is indicating the feature point of the bone, and a second support member that movably supports the rod support unit and indicates one of scales on the rod support unit. The bone treatment assistance device includes cutting slits, and first guide holes that guides first rods set to a predetermined positional relation. The second support member of the attaching position confirmation device is attached to the protrusion of the bone treatment assistance device.

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Номер записи: 25
07-01-2021 дата публикации

Preoperatively planning an arthroplasty procedure and generating a corresponding patient specific arthroplasty resection guide

Номер: US20210000511A1
Автор: Boris E. Shpungin, Elena I. Pavlovskaia, Ilwhan Park, Keun Song, Michael Santarella, Oleg Mishin
Принадлежит: Howmedica Osteonics Corp

A method of planning an arthroplasty procedure on a femur and tibia of a patient. The method includes receiving a first two-dimensional image of the femur and the tibia, and identifying, in the first two-dimensional image, a proximal femur feature, a distal tibia feature, and a bone contour. The method further includes running a transformation process to align a bone model representative of the femur and the tibia into a coordinate system with the first two-dimensional image, the bone model having a bone model contour that is aligned with the bone contour of the femur and the tibia in the first two-dimensional image. And the method further includes applying an implant model to the bone model in order to determine coordinate locations for the arthroplasty resection.

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Номер записи: 26
07-01-2016 дата публикации

RAPID PROTOTYPED TRANSFER TRAY FOR ORTHODONTIC APPLIANCES

Номер: US20160000529A1
Автор: Kim Sung, Raby Richard E.
Принадлежит:

The present invention is directed to computer-implemented methods of making a transfer tray using rapid prototyping techniques, where the gingival edge of the tray is defined to intersect with at least one receptacle for receiving an orthodontic appliance. This tray configuration helps to minimize the travel distance of the tray when placing the tray over a patient's teeth, while also preserving a high degree of mechanical retention for retaining the appliance until such time that the appliance is bonded to the tooth. Other aspects of the tray and associated methods of bonding are directed to a frangible web that extends over the gingival portion of the receptacle and fractures to facilitate tray removal after bonding. 1. A method of making a transfer tray for bonding an orthodontic appliance comprising:obtaining a virtual model of a patient's dental structure;determining a desired location for one or more virtual orthodontic appliances on the model;providing a virtual receptacle at the desired location for each appliance of the one or more virtual orthodontic appliances, wherein each virtual receptacle has a configuration that matches at least a portion of the corresponding virtual orthodontic appliance;deriving a virtual tray body extending across at least a portion of the model and at least a portion of each virtual receptacle remote from the model, wherein the act of deriving a virtual tray body includes the act of trimming the tray to create a gingival edge of the tray body that intersects each virtual receptacle; andforming the transfer tray, wherein the transfer tray includes a physical tray body and one or more physical receptacles that correspond to the virtual tray body and virtual receptacles respectively, each physical receptacle sufficient to releasably retain a physical orthodontic appliance corresponding to the virtual appliance,whereby when the physical appliance is retained in the physical receptacle, such appliance will include first facially ...

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Номер записи: 27
07-01-2021 дата публикации

APPARATUS AND METHODS WITH SURGICAL GUIDES HAVING ROUTED LIQUID COOLANT IRRIGATION

Номер: US20210000568A1
Автор: Evans Zachary, Renne Walter
Принадлежит:

Provided herein are surgical guides with internal channels for irrigation cooling. In one embodiment, an apparatus for guiding a surgical instrument includes a proximal side and a distal side. A first channel is configured to guide a material removal device, where the first channel extends from the proximal side of the apparatus to the distal side of the apparatus. A second channel configured to direct irrigation fluid, where the second channel extends from the proximal side of the of the apparatus to the distal side of the apparatus. The first channel is separate from the second channel. A method of performing a surgical procedure and a method of manufacturing a surgical guide are also disclosed. In certain embodiments, the surgical guides may be manufactured via additive manufacturing processes, including for example, three-dimensional printing processes. 121-. (canceled)22. A method of manufacturing a surgical guide , the method comprising:determining a plurality of parameters for a guide channel in a surgical guide, wherein the guide channel is configured to guide a material removal device;determining a plurality of parameters for an irrigation channel, wherein the irrigation channel is configured to direct irrigation through the surgical guide; andforming the surgical guide with the guide channel and the irrigation channel, wherein the irrigation channel is separate from the guide channel.23. The method of wherein forming the surgical guide comprises an additive manufacturing (AM) process.24. The method of wherein forming the surgical guide comprises a three-dimensional (3D) printing process.25. The method of wherein the plurality of parameters for an irrigation channel comprises a location for a coupling mechanism to couple the irrigation channel to a source of irrigation fluid.26. The method of wherein the location for the coupling mechanism is manually selected by a user.27. The method of wherein the plurality of parameters for the irrigation channel ...

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Номер записи: 28
06-01-2022 дата публикации

METHOD FOR MODIFYING THE DIMENSIONS OF A CAST IRON PUMP PART

Номер: US20220001447A1
Автор: FERREYRA TELLO Everaldo
Принадлежит:

A method for modifying a dimension of a cast iron pump part features placing a cast iron pump part on a base plate of a directed energy deposition (DED) machine; selecting a metal deposition procedure for depositing a metal having a combination of one or more Nickel Alloys or Nickel powders on the cast iron pump part; and depositing the metal on the cast iron pump part to modify the dimension of the cast iron pump part, based upon the metal deposition procedure selected. The selecting of the metal deposition procedure includes forming the metal by mixing metal powders that include a Nickel Alloy “A” in a specified mixed ratio with a pure Nickel powder “B” for depositing on the cast iron pump part. 120-. (canceled)21. A cast iron pump component/part made or manufactured using steps in a method for modifying a dimension of a cast iron pump part , comprising steps forplacing a cast iron pump component/part on a base plate of a directed energy deposition (DED) machine;selecting a metal deposition procedure for depositing a metal having a combination of one or more Nickel Alloys or Nickel powders on the cast iron pump component/part; anddepositing the metal on the cast iron pump component/part to modify the dimension of the cast iron pump component/part, based upon the metal deposition procedure selected.22. A cast iron pump component/part according to claim 21 , wherein the selecting of the metal deposition procedure comprises forming the metal by mixing metal powders that include a Nickel Alloy “A” in a specified mixed ratio with a pure Nickel powder “B” for depositing on the cast iron pump part.23. A cast iron pump component/part according to claim 22 , wherein the Nickel Alloy “A” comprises a High Nickel Alloy “A” that includes Inconel 625 or Inconel 718.24. A cast iron pump component/part according to claim 22 , wherein the specified mixed ratio of the Nickel Alloy “A” and the pure Nickel powder “B” includes percentages ranging from 50-75/25-50 claim 22 , including ...

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Номер записи: 29
06-01-2022 дата публикации

PLATEN WITH GRID ASSEMBLY FOR 3D PRINTING

Номер: US20220001613A1
Автор: Anderson Patrick W., Braton Benjamin L., Chapman Jeff Lee, Durand Josh, Migliori Bryan, Schiel Colin, Skubic Robert
Принадлежит:

A platen assembly for use with an extrusion-based 3D printer includes a grid assembly comprising at least a 4×2 framework of interlocked perpendicular x direction beams and y direction beams, providing a substantially planar upper surface and a bottom surface. The platen assembly includes a platen comprising a thin metal sheet supported on the upper surface of the grid assembly and secured to the grid assembly such that the top surface provides a substantially flat build surface. The x direction beams, the y direction beams and the platen are constructed of substantially a same thermal expansion properties, and wherein the build surface of the platen has a build surface area of at least 400 square inches and maintains its flatness to within a flatness tolerance of 0.020 inches over a temperature range of at least 20 C-300 C. 1. A platen assembly for use with an extrusion-based 3D printer , the platen assembly comprising:a grid assembly comprising at least a 4×2 framework of interlocked perpendicular x direction beams and y direction beams, providing a substantially planar upper surface and a bottom surface; anda platen comprising a thin metal sheet supported on the upper surface of the grid assembly and secured to the grid assembly such that the top surface provides a substantially flat build surface;wherein the x direction beams, the y direction beams and the platen are constructed of substantially a same thermal expansion properties; andwherein the build surface of the platen has a build surface area of at least 400 square inches and maintains its flatness to within a flatness tolerance of 0.020 inches over a temperature range of at least 20 C-300 C.2. The platen assembly of claim 1 , wherein the grid assembly comprises:an interior grid comprising at least two x direction beams interconnected with at least two y direction beams; andan exterior frame comprising exterior beams that at least partially surrounding the interior grid.3. The platen assembly of claim 1 , ...

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Номер записи: 30
05-01-2017 дата публикации

FLUIDIC-CONTROLLED RESERVOIR CANNULA

Номер: US20170000966A1
Автор: Pacas Rebecca E., Tiep Brian L.
Принадлежит:

A reservoir cannula is described that has a static fluidic control structure, in that it does not employ a membrane or other moving parts. Furthermore, the reservoir is open to ambient air instead of being sealed. In use, the reservoir cannula enables storage of oxygen and oxygen-rich gas in a storage chamber as well as in and around the patient's nasal passages and nasopharynx, which enables high volume oxygen delivery to the patient early in the next inhalation. Consequently, patients using this delivery mode can carry a smaller and lighter portable oxygen container for ambulatory oxygen, because lower flow oxygen is required to meet their oxygenation needs. In addition, patients requiring a higher flow of oxygen can achieve oxygenation levels previously achieved only by high flow mask or high flow nasal oxygen systems. 1. A cannula for controlling delivery of gas , comprising:an outer shell having an outer surface exposed to ambient air and an inner surface defining a reservoir chamber;an exhaust aperture extending through the outer shell to the reservoir chamber and having an open surface area dimension;a static structure disposed within the reservoir chamber and including a fluidic controller having a nasal port; anda nasal prong fitted to the nasal port and extending through the exhaust aperture, wherein the nasal prong has an outer area dimension which is less than the open surface area dimension of the exhaust aperture to permit gas to escape from the cannula.2. The cannula of claim 1 , wherein the fluidic controller further includes a supply port and a collection port.3. The cannula of claim 2 , wherein the fluidic controller controls delivery of gas from the reservoir chamber and the supply port in response to a breathing cycle.4. The cannula of claim 2 , wherein the collection port is in communication with the reservoir chamber.5. The cannula of claim 4 , further comprising a collection tube having a proximal end fitted to the collection port and a distal ...

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Номер записи: 31
04-01-2018 дата публикации

SMART SPORT DEVICE

Номер: US20180001183A1
Автор: Tran Bao, Tran Ha
Принадлежит:

An Internet of Thing (IoT) sport device includes a body with a processor, a camera and a wireless transceiver coupled to the processor. 1. A board , comprising:a body;a processor coupled to a wireless transceiver;a camera coupled to the elongated body to detect distance from another object; andan accelerometer disposed within the elongated body to detect acceleration of the board.2. The board of claim 1 , wherein at least one sensor selected from a sensor set comprising: a pressure sensor configured to detect at least one pressure event at an external surface location; a motion sensor configured to detect at least one motion event of the board; a digit motion sensor configured to detect at least one motion event of at least one digit of the user; a temperature sensor configured to detect a temperature at an external surface location.3. The board of claim 1 , comprising an EKG sensor.4. The board of claim 1 , comprising a hand exercise regimen selected from a hand exercise regimen set comprising at least one of: a physical therapy hand exercise regimen; a physical training hand exercise regimen; or a physical performance hand exercise regimen.5. The board of claim 1 , comprising a gesture identifying component configured to identify at least one hand gesture detected by at least one sensor; the memory configured to claim 1 , upon receiving an indication of a hand gesture identified by the gesture identifying component claim 1 , store data corresponding to the hand gesture in the memory; and the device interface configured to claim 1 , upon connecting to the device claim 1 , provide at least some of the stored data corresponding to the hand gesture to the device.6. The board of claim 1 , comprising a plurality of foot receptacles claim 1 , each having a sensor.7. The board of claim 1 , comprising a sensor worn by an opponent in wireless communication with the processor to communicate the force of an impact from the board.8. The board of claim 1 , wherein the body ...

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Номер записи: 32
04-01-2018 дата публикации

SMART DEVICE

Номер: US20180001184A1
Автор: Tran Bao, Tran Ha
Принадлежит:

An Internet of Thing (IoT) device includes a camera coupled to a processor; and a wireless transceiver coupled to the processor. Blockchain smart contracts can be used with the device to facilitate secure operation. 1. An Internet of Things (IOT) device , comprising:a device body;an accelerometer coupled to the body to detect acceleration;a sensor coupled to the body to detect an object from the body;a wireless transceiver; anda processor coupled to the transceiver, the accelerometer and sensor.2. The device of claim 1 , comprising a module to compare a third party behavior with a user behavior.3. The device of claim 1 , comprising a blockchain coupled to the processor to store data on ledger. The present invention relates to the Internet of Things (IoT).In one aspect, an Internet of Thing (IoT) device includes sensors such as a camera; a processor coupled to the light source and the sensor; and a wireless transceiver coupled to the processor.In another aspect, systems and methods disclosed for recommending lifestyle modification for a subject by using a DNA sequencer to generate genetic information; aggregating genetic information, environmental information, treatment data, and treatment response from a patient population; deep learning with a computer to generate at least one computer implemented classifier that predicts disease risks based on the aggregated genetic information, treatment data, and treatment response from a patient population; and recommending lifestyle modification to mitigate the disease risks.In another aspect, a system includes a substance to be consumed by a subject and one or more indicia labeling the substance with: genomic biomarkers; drug exposure and clinical response variability; risk for adverse events; genotype-specific dosing; polymorphic drug target and disposition genes; and treatment based on the biomarker.Advantages of the system may include one or more of the following. The system may make medical trials more efficient. This ...

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Номер записи: 33
07-01-2021 дата публикации

Light Recycling For Additive Manufacturing Optimization

Номер: US20210001404A1
Автор: Berdichevsky Eugene, DeMuth James A., Fees Heiner, Kamshad Kourosh, Leard Francis L., Toomre Erik
Принадлежит:

A method and an apparatus pertaining to recycling and reuse of unwanted light in additive manufacturing can multiplex multiple beams of light including at least one or more beams of light from one or more light sources. The multiple beams of light may be reshaped and blended to provide a first beam of light. A spatial polarization pattern may be applied on the first beam of light to provide a second beam of light. Polarization states of the second beam of light may be split to reflect a third beam of light, which may be reshaped into a fourth beam of light. The fourth beam of light may be introduced as one of the multiple beams of light to result in a fifth beam of light. 1. A method , comprising the steps of:multiplexing, by a first optical assembly, multiple beams of light including at least one or more beams of light from one or more light sources;reshaping and blending, by an optical device, the multiple beams of light to provide a first beam of light;applying, by a spatial polarization valve, a spatial polarization pattern on the first beam of light to provide a second beam of light;splitting, by a polarizer, polarization states of the second beam of light to reflect a third beam of light;reshaping, by a second optical assembly, the third beam of light into a fourth beam of light; andintroducing, by the second optical assembly, the fourth beam of light to the first optical assembly as one of the multiple beams of light to result in a fifth beam of light that is emitted through and not reflected by the polarizer.2. The method of claim 1 , wherein the receiving of the multiple beams of light including at least one or more beams of light from the one or more light sources comprises receiving at least the one or more beams of light from at least a solid state laser or a semiconductor laser.3. The method of claim 1 , wherein the applying of the spatial polarization pattern on the first beam of light comprises applying the spatial polarization pattern on the first ...

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Номер записи: 34
07-01-2016 дата публикации

UNINTERUPPTED FILTERING SYSTEM FOR SELECTIVE LASER MELTING POWDER BED ADDITIVE MANUFACTURING PROCESS

Номер: US20160001364A1
Автор: Mironets Sergey, Porretti Louis, Suhani Lulues
Принадлежит:

A solid freeform manufacturing system includes a manufacturing chamber containing a powder based additive manufacturing device. The manufacturing chamber is connected to an environmental control chamber. The environmental control chamber contains environmental control devices including fans, filters, and an inert gas source. An interconnection between the environmental control chamber and manufacturing chamber allows an inert, contaminant free manufacturing environment. 1. A solid freeform object manufacturing system comprising:a manufacturing chamber containing a powder based additive manufacturing device;a first environmental control chamber containing environmental control devices; andan interconnection between the manufacturing chamber and the first environmental control chamber.2. The system of claim 1 , wherein the additive manufacturing device is selected from the group consisting of:a direct laser sintering apparatus;a direct laser melting apparatus;a selective laser sintering apparatus;a selective laser melting apparatus;a laser engineered net shaping apparatus;an electron beam melting apparatus; anda direct metal deposition apparatus.3. The system of claim 1 , wherein the environmental control chambers contain at least a blower claim 1 , filter claim 1 , control system claim 1 , and inert gas source.4. The system of claim 3 , wherein the inert gas source comprises helium claim 3 , neon claim 3 , argon claim 3 , nitrogen claim 3 , and mixtures thereof.5. The system of claim 1 , wherein interconnection comprises duct work claim 1 , valves claim 1 , and control systems.6. The system of claim 3 , wherein valve operation is automatic claim 3 , semi-automatic claim 3 , or with manual override.7. The system of claim 3 , wherein filters in environmental control chambers have finite lifetimes due to filter clogging.8. The system of claim 1 , wherein at least a second environmental control chamber is interconnected to the manufacturing chamber.9. The system of claim ...

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Номер записи: 35
07-01-2021 дата публикации

DYNAMIC BALANCING OF ADDITIVELY MANUFACTURED IMPELLERS

Номер: US20210001539A1
Автор: Dan Bo, Delano Andrew Douglas, GHIONI Lincoln Matthew, Myers Robert Ullman
Принадлежит:

A method of manufacturing an impeller for a thermal management device includes partially curing a curable liquid in a curable liquid bath to form a first stage rotor, removing the first stage rotor from the curable liquid bath, the first stage rotor having excess curable liquid on a surface thereof, rotating the first stage rotor to displace the excess curable liquid radially outward from a rotational axis to compensate for imbalances in the first stage rotor, and fully curing the first stage rotor and at least a portion of the excess curable liquid to produce a second stage rotor that is more rotationally balanced than the first stage rotor. 1. A method for manufacturing an impeller for a thermal management device , the method comprising:partially curing a curable liquid in a curable liquid bath to form a first stage rotor;removing the first stage rotor from the curable liquid bath, the first stage rotor having excess curable liquid on a surface thereof;rotating the first stage rotor to displace the excess curable liquid radially outward from a rotational axis to compensate for imbalances in the first stage rotor; andfully curing the first stage rotor and at least a portion of the excess curable liquid to produce a second stage rotor that is more rotationally balanced than the first stage rotor.2. The method of claim 1 , wherein partially curing the curable liquid comprises exposing the curable liquid to a particular wavelength of light.3. The method of claim 1 , wherein fully curing the first stage rotor and at least a portion of the excess curable liquid comprises fully curing the first stage rotor and at least a portion of the excess curable liquid while rotating the first stage rotor and at least a portion of the excess curable liquid.4. The method of claim 1 , wherein fully curing the curable liquid includes exposing the curable liquid to a thermal energy source.5. The method of claim 1 , wherein fully curing the curable liquid includes exposing the curable ...

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Номер записи: 36
07-01-2021 дата публикации

SYSTEM AND METHOD FOR SUBMICRON ADDITIVE MANUFACTURING

Номер: US20210001540A1
Автор: Chen Shih-Chi, PANAS Robert Matthew, SAHA Sourabh Kumar
Принадлежит:

The present disclosure relates to a method for performing an additive manufacturing operation to form a structure by processing a photopolymer resist material. A laser beam is directed at a tunable mask. At least one emergent beam is collected from a plurality of emergent beams emerging from the tunable mask. The at least one emergent beam is collimated to create a collimated beam. Each emergent beam from the tunable mask has a plurality of beam lets of varying or identical intensity, and each beam let emerges from a unique subsection or region of the tunable mask. The collimated beam is focused into a laser beam which is projected as an image plane onto or within the photopolymer resist material, such that the same optical path length is created between the tunable mask and the focused image plane for all optical frequencies of the focused laser beam. The focused laser beam illuminates a select pattern of subsections on the tunable mask for a finite duration of time to cause simultaneous polymerization of select portions of the photopolymer resist material corresponding to the select pattern. 1. A method for performing an additive manufacturing operation to form a structure by processing a photopolymer resist material , the method comprising:generating a laser beam;directing the laser beam at a tunable mask;collecting at least one emergent beam from a plurality of emergent beams emerging from the tunable mask;collimating the at least one emergent beam to create a collimated beam, wherein each said emergent beam from the tunable mask comprises a plurality of beam lets of varying or identical intensity, and wherein each said beam let emerges from a unique subsection or region of the tunable mask being illuminated by the laser beam;focusing the collimated beam into a focused laser beam which is projected as an image plane onto or within the photopolymer resist material, such that the same optical path length is created between the tunable mask and the focused image ...

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Номер записи: 37
07-01-2021 дата публикации

ADDITIVE MANUFACTURING MACHINE COMPRISING A DEVICE FOR THE DISTRIBUTION OF POWDER ONTO A MOBILE SURFACE USING VIBRATION

Номер: US20210001544A1
Автор: CARLAVAN CEDRIC, WALRAND GILLES
Принадлежит:

An additive manufacturing machine () comprises at least one movable powder reception surface () capable of being displaced in proximity to a manufacturing zone (), a powder spreading device (), and a device () for distributing powder on the movable reception surface. The powder distribution device comprises a buffer tank () linked to a powder supply () and a distribution duct () linking the buffer tank to a powder distribution point (P) situated above the movable reception surface, and the distribution duct () is mounted on a vibrating device making it possible to vibrate the distribution duct so as to generate a continuous flow of powder in the distribution duct and from the buffer tank to the powder distribution point. 112.-. (canceled)13. An additive manufacturing machine , based on powder bed deposition , comprising:a manufacturing enclosure;at least one heat or energy source used to selectively melt a layer of additive manufacturing powder deposited inside the manufacturing enclosure;at least one movable powder reception surface capable of being displaced in proximity to a manufacturing zone situated inside the manufacturing enclosure;a powder spreading device configured to spread the powder from the at least one movable powder reception surface to the manufacturing zone; anda powder distribution device for distributing powder on the movable reception surface,wherein the powder distribution device comprises a buffer tank linked to a powder supply and a distribution duct linking the buffer tank to a powder distribution point situated above the movable reception surface, andwherein the distribution duct is mounted on a vibrating device configured to vibrate the distribution duct so as to generate a continuous flow of powder in the distribution duct and from the buffer tank to the powder distribution point.14. The additive manufacturing machine according to claim 13 , wherein the buffer tank is rigidly fixed to the distribution duct.15. The additive manufacturing ...

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Номер записи: 38
07-01-2021 дата публикации

THREE-DIMENSIONAL SHAPED OBJECT MANUFACTURING DEVICE

Номер: US20210001548A1
Автор: OKAMOTO Eiji, TSUNOYA Akihiko
Принадлежит:

In a three-dimensional shaped object manufacturing device, when a unit is moved in a forward direction, powder is supplied from a first supply portion, a powder layer is formed by a first layer forming portion, a liquid is discharged to a shaping region from a head, and a shaping table is moved in a direction separating from the unit after discharging the liquid is ended and before a second layer forming portion faces the shaping region, and when the unit is moved in a backward direction, the powder is supplied from a second supply portion, the powder layer is formed by the second layer forming portion, the liquid is discharged to the shaping region from the head, and the shaping table is moved in the direction separating from the unit after discharging the liquid to the shaping region is ended and before the first layer forming portion faces the shaping region. 1. A three-dimensional shaped object manufacturing device , comprising:a shaping table configured to move a shaping surface of a three-dimensional shaped object in a shaping surface moving direction intersecting the shaping surface;a unit configured to reciprocate with respect to the shaping table and including a first supply portion and a second supply portion configured to supply powder, a first layer forming portion and a second layer forming portion configured to form a powder layer on the shaping table using the powder, and at least one head configured to discharge a liquid containing a binder to a shaping region of the three-dimensional shaped object on the powder layer; anda control unit configured to control the unit and the shaping table, whereinthe unit includes the first supply portion, the first layer forming portion, the head, the second layer forming portion, and the second supply portion in an order from a head side in a forward direction in a reciprocating direction of the unit, and when moving the unit in the forward direction when shaping the three-dimensional shaped object, supply the ...

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Номер записи: 39
07-01-2021 дата публикации

SHIPPING AND HANDLING FLUID FOR A THREE-DIMENSIONAL PRINTER

Номер: US20210001553A1
Автор: Lebron Hector, Sabo Thaomas M., Woodruff Shannon Reuben
Принадлежит:

An example of a shipping and handling fluid for a three-dimensional (3D) printer is disclosed. The shipping and handling fluid includes a co-solvent, a first sugar alcohol, a second sugar alcohol, a surfactant, and a balance of water. The first sugar alcohol includes a ring structure, and the second sugar alcohol has a linear structure. 1. A shipping and handling fluid for a three-dimensional (3D) printer , comprising:a co-solvent;a first sugar alcohol including a ring structure;a second sugar alcohol having a linear structure;a surfactant; anda balance of water.2. The shipping and handling fluid as defined in wherein:the first sugar alcohol is selected from the group consisting of maltitol, lactitol, isomalt, and combinations thereof; andthe second sugar alcohol is selected from the group consisting of xylitol, erythritol, sorbitol, mannitol, and combinations thereof.3. The shipping and handling fluid as defined in wherein:the first sugar alcohol is present in an amount ranging from about 15 wt % to about 30 wt %, based on a total weight of the shipping and handling fluid; andthe second sugar alcohol is present in an amount ranging from about 10 wt % to about 25 wt %, based on the total weight of the shipping and handling fluid.4. The shipping and handling fluid as defined in wherein a combination of the first sugar alcohol and the second sugar alcohol exhibits thermal stability at a temperature from about 160° C. to about 300° C. claim 3 , and wherein the combination of the first sugar alcohol and the second sugar alcohol is present in an amount less than 45 wt % based on the total weight of the shipping and handling fluid.5. The shipping and handling fluid as defined in wherein a total solids content is less than 45 wt % claim 1 , based on a total weight of the shipping and handling fluid.6. The shipping and handling fluid as defined in wherein:a viscosity of the shipping and handling fluid ranges from about 6 cP to <10 cP; or{'sup': '3', 'a density of the ...

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Номер записи: 40
07-01-2021 дата публикации

DEVICE AND METHOD FOR CALIBRATING AN IRRADIATION SYSTEM OF AN APPARATUS FOR PRODUCING A THREE-DIMENSIONAL WORK PIECE

Номер: US20210001559A1
Автор: Thiel Christiane
Принадлежит:

A device () for calibrating an irradiation system () of an apparatus () for producing a three-dimensional work piece is suggested, the irradiation system () comprising a first irradiation unit () for selectively irradiating a first irradiation beam () along a first operating axis () onto an irradiation plane () and a second irradiation unit () for selectively irradiating a second irradiation beam () along a second operating axis () onto the irradiation plane (), wherein the device () comprises: control unit () adapted to control the first irradiation unit () so as to irradiate the first irradiation beam () onto the irradiation plane () according to an irradiation pattern () and to control the second irradiation unit () so as to displace the second operating axis () relative to the irradiation plane () such that the second operating axis () traverses the irradiation pattern () produced by the first irradiation unit () onto the irradiation plane (); and a detecting unit () adapted to detect process emissions emitted from a region of an impingement point () on the irradiation plane () at which the second operating axis () of the second irradiation unit () passes the irradiation plane () and to output signals indicative of the detected process emissions to the control unit (); and wherein the control unit () is further adapted to determine a position (x, y) of the irradiation pattern () produced by the first irradiation unit () on the irradiation plane (); determine a position (x, y) of at least one intersection point () between the irradiation pattern () produced by the first irradiation unit () and the second operating axis () of the second irradiation unit () based on the signals output by the detecting unit (); and calibrate the irradiation system () based on the determined position (x, y) of the irradiation pattern () produced by the first irradiation unit () and the determined position (x′, y′) of the at least one intersection point. 115-. (canceled)17. The device ...

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Номер записи: 41
07-01-2021 дата публикации

METHOD AND DEVICE FOR IMPROVING THE COMPONENT QUALITY OF OBJECTS MANUFACTURED BY AN ADDITIVE MANUFACTURING PROCESS

Номер: US20210001561A1
Автор: Hamann Joerg, Holfelder Peter, Huemmeler Ludger, WALTER Manuel
Принадлежит: EOS GMBH ELECTRO OPTICAL SYSTEMS

Disclosed is a method of providing control data for an additive manufacturing device. The method includes accessing computer-based model data of at least a portion of the object to be manufactured, generating at least one data model of a region of a building material layer to be selectively solidified for manufacturing the at least one object portion. The data model specifies solidification of the building material, and the end point of the at least one solidification path a set of energy introduction parameter values is specified which generates a reference value for the radiation power per unit area in the radiation impact area of the beam bundle on the building material which is lower than the reference value for the radiation power per unit area at other locations of the solidification path, and providing control data corresponding to the generated at least one data model for generating a control data set for the additive manufacturing device. 1. A computer-aided method for providing control data to an additive manufacturing device for manufacturing a three-dimensional object , wherein the object is manufactured by means of the additive manufacturing device by applying a building material layer by layer and by solidifying the building material by supplying radiation energy to locations in each layer corresponding to the cross-section of the object in that layer by scanning those locations with at least one beam bundle according to a set of energy introduction parameter values along a number of solidification paths , a first step of accessing computer-based model data of at least a portion of the object to be manufactured,', 'a second step of generating at least one data model of a region of a building material layer to be selectively solidified for manufacturing said at least one object portion, wherein the data model specifies solidification of the building material by moving at least one beam bundle along at least one solidification path,', 'wherein a set of ...

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Номер записи: 42
04-01-2018 дата публикации

SINTERING METHOD, MANUFACTURING METHOD, OBJECT DATA PROCESSING METHOD, DATA CARRIER AND OBJECT DATA PROCESSOR

Номер: US20180001381A1
Автор: Kimblad Hans, Malm Niclas, Olsérius Cornelia
Принадлежит:

A method is provided of sintering a green object body to form a manufactured object. The method comprises providing a green object body. The green object body comprises granular construction material bound together by a binder. The method comprises providing a green support body for supporting the green object body. The green support body comprises granular construction material bound together by a binder. The method comprises supporting the green object body with the green support body. The method comprises sintering the green support body together with the green object body supported by the green support body. A method of manufacturing an object, a method of processing object data, a data carrier carrying program instructions and an object data processor are also provided. 1. A method of sintering a green object body to form a manufactured object , comprising:providing a green object body, the green object body comprising granular construction material bound together by a binder;providing a green support body for supporting the green object body, the green support body comprising granular construction material bound together by a binder;supporting the green object body with the green support body; andsintering the green support body together with the green object body supported by the green support body.2. A method of manufacturing an object , comprising:depositing a first plurality of layers of a construction material;selectively binding portions of each deposited layer of the first plurality of layers to form a green support body; depositing a second plurality of layers of a construction material;selectively binding portions of each deposited layer of the second plurality of layers to form a green object body supported by the green support body; andsintering the green support body together with the green object body supported by the green support body.3. The method according to claim 1 , wherein the green object body and the green support body exhibit ...

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Номер записи: 43
07-01-2016 дата публикации

METHOD FOR CASTING A CONSTRUCTION ELEMENT

Номер: US20160001461A1
Автор: Gardiner James Bruce, Janssen Steven Robert
Принадлежит:

The present invention relates to a method for casting building material to form a construction element using a computer-controlled apparatus. The method comprises the steps of: moving the material deposition head and selectively depositing material, to fabricate a formwork; pouring building material in contact with at least a portion of the formwork; at least partially curing the building material, thereby forming the construction element; and removing at least a portion of the formwork from the construction element. 123-. (canceled)24. A method for casting building material to form a construction element using a computer-controlled apparatus , the apparatus having a material deposition head in communication with a reservoir of formwork material and being movable within a build volume responsive to computer instructions , the method comprising the steps of:receiving, by the apparatus, computer instructions relating to a formwork geometry;moving the material deposition head within the build volume and selectively depositing formwork material in specific locations, thereby fabricating a formwork having a three-dimensional casting surface, the formwork corresponding with the formwork geometry;pouring building material in contact with the casting surface;at least partially curing the building material in contact with the casting surface, thereby forming the construction element; andremoving at least a portion of the formwork from the construction element.25. The method for casting building material according to claim 24 , wherein the step of fabricating the formwork further comprises fabricating the casting surface having at least a portion having double-curvature.26. The method for casting building material to form a construction element according to claim 24 , wherein the step of removing the formwork comprises heating the construction element and the formwork to a temperature above the melting point of the formwork material claim 24 , thereby melting the at least a ...

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Номер записи: 44
02-01-2020 дата публикации

Particles having a sinterable core and a polymeric coating, use thereof, and additive manufacturing method using the same

Номер: US20200001359A1
Автор: Åsa Ahlin, Ragnar FERRAND DRAKE DEL CASTILLO, Sofia NILSSON
Принадлежит: HOGANAS AB

Particles each having a sinterable core and a polymeric coating on at least a part of the core, wherein the polymeric coating includes a polymer that can be removed via decomposition by heat, catalytically or by solvent treatment, and wherein the polymeric coating is present in an amount of 0.10 to 3.00% by weight, relative to the total weight of the particles, as well as the use of these particles in an additive manufacturing process such as a powder bed and inkjet head 3D printing process. The particles and the process are able to provide a green part having improved strength and are thus suitable for the production of delicate structures which require a high green strength in order to minimize the risk of structural damage during green part handling.

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Номер записи: 45
02-01-2020 дата публикации

Ultrasonically assisted powder bed additive manufacturing

Номер: US20200001364A1
Автор: Matthew A. Short
Принадлежит: Edison Welding Institute Inc

A powder bed fusion additive manufacturing system that includes a powder bed; a material powder, wherein the material powder includes individual grains; an apparatus for spreading the material powder across the powder bed in a layer-by-layer manner; and an ultrasonic device adapted to function in cooperation with the powder-spreading apparatus for compacting the material powder in each layer and distributing the individual grains in each layer of material powder in a substantially uniform manner.

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Номер записи: 46
02-01-2020 дата публикации

FINE-SCALE TEMPORAL CONTROL FOR LASER MATERIAL PROCESSING

Номер: US20200001400A1
Автор: Martinsen Robert J., WANG Qi
Принадлежит: nLIGHT, Inc.

Methods include directing a laser beam to a target along a scan path at a variable scan velocity and adjusting a digital modulation during movement of the laser beam along the scan path and in relation to the variable scan velocity so as to provide a fluence at the target within a predetermined fluence range along the scan path. Some methods include adjusting a width of the laser beam with a zoom beam expander. Apparatus include a laser source situated to emit a laser beam, a 3D scanner situated to receive the laser beam and to direct the laser beam along a scan path in a scanning plane at the target, and a laser source digital modulator coupled to the laser source so as to produce a fluence at the scanning plane along the scan path that is in a predetermined fluence range as the laser beam scan speed changes along the scan path. 1. An apparatus , comprising:a continuous-wave laser source situated to emit a laser beam;a 3D scanner situated to receive the laser beam and to direct the laser beam along a scan path in a scanning plane at a target; anda laser source digital modulator coupled to the continuous-wave laser source and configured to adjust a digital modulation of the laser beam between a first digital modulation power level and a second digital modulation power level during movement of the laser beam along the scan path and in relation to a variable scan velocity to provide a fluence at the scanning plane along the scan path that is in a predetermined fluence range along the scan path.2. The apparatus of claim 1 , further comprising a zoom beam expander situated to receive the laser beam from the continuous-wave laser source and to change a width of the laser beam received by the 3D scanner to change a size of a focused laser spot of the laser beam in the scanning plane.3. The apparatus of claim 1 , wherein the laser source digital modulator is configured to digitally modulate the laser beam between two or more power levels based on a digital modulation ...

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Номер записи: 47
05-01-2017 дата публикации

SHAPING SYSTEM, SHAPING OBJECT MANUFACTURING METHOD, AND DATA PROCESSING METHOD

Номер: US20170001371A1
Автор: Sakurai Shigeki, Sobue Ikuo, Suzuki Noriyuki
Принадлежит:

A shaping system that fabricates a shaping object by stacking a material layer formed based on slice data, the shaping system comprises a control section which controls operations of respective sections of the shaping system. The control section controls the respective sections so that, at a prescribed timing, a marker is formed and stacked on a top surface of a marker support body, image distortion information is acquired from a position of the marker as detected by a marker position detecting section, and a correction process for correcting the slice data is executed. 1. A shaping system that fabricates a shaping object by stacking a material layer formed based on slice data , the shaping system comprising:a control section which controls operations of respective sections of the shaping system;a marker generating section which generates data of a marker;a slice data generating section which generates the slice data by adding data for fabricating a marker support body to become a base on which the marker is stacked to data of a three-dimensional model;a material layer forming section which forms a material layer made of a shaping material based on the data of the marker or the slice data;a stage on which the material layer is stacked;a marker position detecting section which detects a position of the marker stacked on the stage or the marker support body;an image distortion acquiring section which acquires information on image distortion occurring in the material layer from a detection result of the marker position detecting section; anda correcting section which reduces the image distortion with respect to the slice data based on the image distortion information acquired by the image distortion acquiring section, whereinthe control section controls the respective sections so that, at a prescribed timing,the marker is formed and stacked on a top surface of the marker support body, image distortion information is acquired from a position of the marker as detected by ...

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Номер записи: 48
05-01-2017 дата публикации

CARBON FIBER PREFORMS

Номер: US20170001373A1
Автор: Fryska Slawomir T., La Forest Mark L.
Принадлежит:

In some examples, a method includes depositing a mixture including a resin and an additive powder via a print head of a three-dimensional printing system to form a carbon fiber preform including a plurality of individual carbon fiber layers, wherein each individual layer of the plurality of individual carbon fiber layers includes a plurality of carbon fibers and the mixture of the resin and the additive powder. 1. A method comprising depositing a mixture including a resin and an additive powder via a print head of a three-dimensional printing system to form a carbon fiber preform including a plurality of individual carbon fiber layers , wherein each individual layer of the plurality of individual carbon fiber layers includes a plurality of carbon fibers and the mixture of the resin and the additive powder.2. The method of claim 1 , wherein the additive powder is configured to at least one of prevent oxidation claim 1 , modify a friction property claim 1 , increase a density claim 1 , or increase a strength of a densified carbon-carbon composite material formed from the carbon fiber preform.3. The method of claim 1 , wherein the additive powder comprises a ceramic powder.4. The method of claim 3 , wherein the ceramic powder is configured to at least one of prevent oxidation or increase a density of a densified carbon-carbon composite material formed from the carbon fiber preform.5. The method of claim 3 , wherein the ceramic powder comprises at least one of silicon carbide powder claim 3 , titanium carbide powder claim 3 , or tungsten carbide.6. The method of claim 1 , wherein the additive powder comprises a carbon powder.7. The method of claim 6 , wherein the carbon powder is configured to at least one of modify a friction property or increase strength of a densified carbon-carbon composite material formed from the carbon fiber preform.8. The method of claim 6 , wherein the carbon powder comprises at least one of activated carbon powder claim 6 , graphite powder ...

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Номер записи: 49
05-01-2017 дата публикации

METHOD FOR ADDITIVELY MANUFACTURING COMPONENT AND COMPONENT MADE THEREFROM

Номер: US20170001374A1
Автор: Adcock Thomas Charles, Cheverton Mark Allen, DEAL Andrew David, Deaton, Graham Michael Evans, JONES Marshall Gordon, JR. John Broddus, Singh Prabhjot
Принадлежит:

A method that includes additively manufacturing with an additive manufacturing (AM) system a sub-component that has a locator element. Using a control system of the AM system for positioning a first location of the locator element. Selectively placing a portion of another sub-component adjacent to the locator element, based on the positioning. Then attaching the second sub-component to the first sub-component in a region, wherein the region is based on the positioning knowledge from the control system so as to make a component. A component that comprises a first sub-component that has an AM locator element; and a second sub-component attached to the first sub-component, wherein the locator element is attached to the second sub-component within the same additive manufacturing build chamber as the first sub-component. 1. A method comprising:additively manufacturing with an additive manufacturing system a first sub-component having at least one locator element, thereby using a control system of the additive manufacturing system for positioning a first location of the at least one locator element;selectively placing a portion of a second sub-component adjacent to the at least one locator element of the first sub-component, based on the positioning; andattaching the second sub-component to the first sub-component in a region, wherein the region is based on the positioning from the control system of said additive manufacturing system, thereby defining a component.2. The method of claim 1 , wherein the attaching comprises welding with a welding source.3. The method of claim 2 , wherein the welding source comprises a laser.4. The method of claim 2 , wherein the welding comprises one of: gas welding claim 2 , e-beam welding claim 2 , friction stir welding claim 2 , ultrasonic welding claim 2 , and thermal welding.5. The method of claim 1 , wherein the second sub-component is additively manufactured.6. The method of claim 3 , wherein the additively manufacturing further ...

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Номер записи: 50
05-01-2017 дата публикации

SINTER SHELL

Номер: US20170001375A1
Автор: Melly Robert
Принадлежит:

According to some aspects, system and methods for generating a 3D model shell is provided. The system may include a memory and at least one processor coupled to the memory and specially configured to morphologically dilate a 3D model by a dilation distance, create a first copy of the 3D model and a second copy of the 3D model, perform morphological erosion on the first copy to generate a first shrunken model, perform morphological erosion on the second copy to generate a second shrunken model, and subtract the second shrunken model from the first shrunken model to generate the 3D model shell. 1. A method for generating a 3D model shell , the method comprising acts of:morphologically dilating a 3D model by a dilation distance;creating a first copy of the 3D model and a second copy of the 3D model;performing morphological erosion on the first copy to generate a first shrunken model;performing morphological erosion on the second copy to generate a second shrunken model; andsubtracting the second shrunken model from the first shrunken model to generate the 3D model shell.2. The method according to claim 1 , further comprising acts of:generating a pattern grid; andintersecting the pattern grid and the 3D model shell to generate a grid shell.3. The method according to claim 2 , further comprising acts of:generating a text blank and a text model;unioning the text blank and the pattern grid to generate a text blank and pattern grid combination; andsubtracting the text model from the grid shell,wherein intersecting the pattern grid and the 3D model shell includes intersecting the text blank and pattern grid combination and the 3D model shell to generate the grid shell.4. The method according to claim 2 , wherein the act of generating the pattern grid includes an act of generating a package grid and wherein the act of intersecting the pattern grid and the 3D model shell includes an act of intersecting the package grid and the 3D model shell to generate the grid shell.5. The ...

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Номер записи: 51
05-01-2017 дата публикации

3D Fonts for Automation of Design for Manufacturing

Номер: US20170001376A1
Автор: Grimaud Jean-Jacques
Принадлежит:

Customized 3D-printing can provide users with customized products, but need to be verified for quality and durability. In an embodiment, a method for three-dimensional (3D)-printing a customized product includes loading a 3D-font from a database. The 3D font includes multiple character relations. Each character relation connects any two given characters of the 3D font. The method also includes generating a 3D-representation of a customized product based on the 3D-font. The customized product is based on a plurality of characters received from a user. A 3D-font as described herein can provide customized, on-demand, 3D-printed products of a particular threshold of quality and durability. 1. A method for three-dimensional (3D)-printing a customized product , the method comprising:loading a 3D-font from a database, wherein the 3D font includes a plurality of character relations, each character relation connecting any two given characters of the 3D font; andgenerating a 3D-representation of a customized product based on the 3D-font, the customized product based on a plurality of characters received from a user.2. The method of claim 1 , further comprising 3D-printing the customized product according to the generated 3D-representation.3. The method of claim 1 , further comprising:presenting, to the user via a display, the 3D-representation of the customized product; andprompting the user to (a) approve the customized product for 3D-printing or (b) enter in further customizations of the customized product.4. The method of claim 1 , wherein the 3D-font comprises a matrix of character relations indexed by first index and second index claim 1 , wherein each character relation represents a connection transitioning a character represented by the first index to a character represented by the second index.5. The method of claim 1 , further comprising:creating the 3D-font for a particular material by determining a minimum threshold of the particular material to connect the any two ...

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Номер записи: 52
07-01-2016 дата публикации

SYSTEM FOR 3D PROTOTYPING OF FLEXIBLE MATERIAL AND METHOD THEREOF

Номер: US20160001503A1
Автор: TSAI Shih-Kuang, Yu Li
Принадлежит:

The present invention provides a system for 3D prototyping of flexible material and method thereof The system comprises: a loading machine for providing a polymer molten mass; a screw extruding machine for extruding the polymer molten mass; a metering pump for controlling the quantity of the polymer molten mass; an air compressor for compressing air; an air heater for heating the compressed air; a 3D modeling component for processing a 3D workpiece; the nozzle comprises a spinneret plate and a gas-flow hole, the spinneret plate is configured with a through hole for forming the extruded polymer molten mass into a polymer melt trickle, the gas-flow hole drafts the polymer melt trickle to a filiform polymer fiber to aggregate on the 3D workpiece; a solidifying component for solidifying the filiform polymer fiber to form the flexible material. The present invention can achieve convenient and quick printing for the flexible material. 1. A system for 3D prototyping of flexible material , comprising:a loading machine, for providing a polymer molten mass;a screw extruding machine, connected to the loading machine, for extruding the polymer molten mass;a metering pump, connected to the screw extruding machine, for controlling the quantity of the polymer molten mass extruded by the screw extruding machine;an air compressor, for compressing air;an air heater, connected to the air compressor, for heating the compressed air;a 3D modeling component, for processing a 3D workpiece, wherein the 3D workpiece is used for supporting the flexible material;a nozzle, comprising a spinneret plate connected to the metering pump and a gas-flow hole connected to the air heater, wherein a through hole is configured on the spinneret plate for forming the extruded polymer molten mass into a polymer melt trickle, the gas-flow hole drafting the polymer melt trickle to form a filiform polymer fiber to aggregate on the 3D workpiece; anda solidifying component, connected to the 3D workpiece, for ...

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Номер записи: 53
07-01-2016 дата публикации

THREE-DIMENSIONAL STRUCTURE FORMING DEVICE AND FORMING METHOD

Номер: US20160001504A1
Автор: Hakkaku Kunio, Ikeda Akira, Sugimoto Yoshirou
Принадлежит:

A forming device and a forming method that can form a three-dimensional structure highly accurately are provided. A forming device of an embodiment according to the present disclosure includes a recording unit that discharges ink for forming layers to configure a three-dimensional structure, and the recording unit preliminarily discharges the ink before starting to form the layers. 1. A three-dimensional structure forming device for forming a three-dimensional structure including an object and a colored portion in which a surface of the object is colored , by laminating layers formed by depositing ink , and the three-dimensional structure forming device comprising:a recording unit that discharges the ink during at least one scan to form one of the layers;a maintenance unit that performs maintenance on the recording unit; anda control unit that controls the recording unit,wherein the control unit controls the recording unit to preliminarily discharge the ink while being between a position to be performed the maintenance by the maintenance unit and a position to start to form the layers.2. The three-dimensional structure forming device according to claim 1 , whereinthe control unit controls the recording unit to preliminarily discharge the ink for each of the at least one scan.3. The three-dimensional structure forming device according to claim 1 , whereinthe recording unit discharges one or more types of object-forming ink for forming the object and one or more types of coloring ink for forming the colored portion, as the ink, from inkjet heads provided respectively, andthe control unit controls the recording unit to preliminarily discharge the ink from at least one of the inkjet heads.4. The three-dimensional structure forming device according to claim 2 , whereinthe recording unit discharges one or more types of object-forming ink for forming the object and one or more types of coloring ink for forming the colored portion, as the ink, from inkjet heads provided ...

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Номер записи: 54
07-01-2016 дата публикации

APPARATUS FOR MODELING THREE-DIMENSIONAL OBJECT AND METHOD FOR MODELING THREE-DIMENSIONAL OBJECT

Номер: US20160001505A1
Автор: Hakkaku Kunio, Ikeda Akira
Принадлежит:

An apparatus for modeling a three-dimensional object configured to model a three-dimensional object by a lamination modeling method includes a plurality of heads for colored inks including a curable resin and configured to discharge ink droplets of colored inks having different colors from each other by an inkjet method, an ultraviolet light source, which is a curing unit, and a control unit. When coloring a surface of the three-dimensional object, the control unit enables the plurality of heads for colored inks to discharge the ink droplets, based on an image, to an outer periphery area of the three-dimensional object, which is an area of which a color can be visibly recognized from an outside of the three-dimensional object. When not coloring the surface of the three-dimensional object, the control unit enables at least one of the heads for colored inks to discharge the ink droplets to an inner area. 1. An apparatus for modeling a three-dimensional object configured to use a curable resin and to model a three-dimensional object by a lamination modeling method , the curable resin being a resin that is cured depending on a predetermined condition , the apparatus comprising:a plurality of heads for colored inks comprising the curable resin and configured to discharge ink droplets of colored inks having different colors from each other by an inkjet method;a curing unit configured to cure the curable resin, anda control unit configured to control operations of the plurality of heads for colored inks and the curing unit,wherein when coloring at least a surface of the three-dimensional object on the basis of an image prepared in advance, the control unit enables the plurality of heads for colored inks to discharge the ink droplets, based on the image, to at least an outer periphery area of the three-dimensional object, which is an area of which a color is capable of being visibly recognized from an outside of the three-dimensional object, andwherein at least when not ...

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Номер записи: 55
07-01-2016 дата публикации

DEVICE FOR PRODUCING THREE-DIMENSIONAL MODELS

Номер: US20160001507A1
Автор: Ederer Ingo, Hartmann Andreas Dominik
Принадлежит:

The present invention relates to a device for manufacturing three-dimensional models by means of a 3D printing process, whereby a build platform for application of build material is provided and a support frame is arranged around the build platform, to which said support frame at least one device for dosing the particulate material and one device for bonding the particulate material is attached via the guiding elements and the support frame is moveable in a Z direction, which essentially means perpendicular to the base surface of the build platform, said movement provided by at least two vertical positioning units on the support frame. In this respect, it is provided that the positioning units are respectively separate components and are arrangeable on the support frame independently from one another and the location and orientation of such can be adjusted independently from one another. 1. A method for assembling an apparatus for manufacturing three-dimensional models by means of a 3D printing process comprising:arranging at least i) a first pair of vertical positioning units and ii) a second pair of vertical positioning units on a common substrate, wherein each vertical positioning unit has a drive direction;independently adjusting each of the vertical positioning units so that the drive direction of each vertical positioning unit is in a vertical direction;attaching the first pair of vertical positioning units to a first side of a support frame; andattaching the second pair of vertical positioning units to a second side of the support frame, wherein the first and second sides are opposing sides;wherein the support frame is arranged around a build platform having a base surface for building the 3-D model;the support frame is moveable in a vertical direction by the vertical positioning units; andthe base surface of the build platform is perpendicular to the vertical direction.211-. (canceled)12. The method of claim 1 , wherein the support frame supports a ...

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Номер записи: 56
07-01-2016 дата публикации

ADDITIVE MANUFACTURING SYSTEM AND METHOD OF ADDITIVE MANUFACTURE UTILIZING LAYER-BY-LAYER THERMO-MECHANICAL ANALYSIS

Номер: US20160001509A1
Автор: Long Yu
Принадлежит:

A method of operating an additive manufacturing system utilizing a layer-by-layer thermo-mechanical analysis system includes the steps of pre-modeling a structure or workpiece into a plurality of slices stacked from a bottom slice to a top slice of the plurality of slices, assuming a second slice modeled immediately below a first slice is a rigid substrate, and run a response force analysis for the first slice. The analysis system may reiterate this process for each slice calculating a force distribution map for each slice, and adding the force distribution maps to a total response force map of the entire structure. The additive manufacturing system may then use the total response force map to optimize material properties for selected regions of each slice to a sacrificial support structure and/or the final product. 1. A method of additive manufacturing a structure comprising the steps of:pre-modeling the structure into a plurality of stacked slices; andperforming a response force analysis between a top slice and an adjacent lower second slice, wherein the analysis models the second slice as a rigid substrate.2. The method according to comprising the further steps of:performing a response force analysis between the second slice and an adjacent lower third slice, wherein the analysis no longer models the second slice as a rigid substrate and models the third slice as a rigid substrate.3. The method according to comprising the further steps of:determining if the top slice has an unsupported area; andcalculating a first response force distribution map of the unsupported area of the top slice.4. The method according to comprising the further steps of:determining if the second slice has an unsupported area; andcalculating a second response force distribution map of the unsupported area of the second slice.5. The method according to comprising the further step of:calculating a total response force map from the first and second response force distribution maps.6. The ...

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Номер записи: 57
07-01-2016 дата публикации

THREE DIMENSIONAL OBJECT MODELING APPARATUS, PRINTING APPARATUS, THREE DIMENSIONAL OBJECT MODELING METHOD, TRANSFERRING PRESSING MEMBER, AND TRANSFER BODY

Номер: US20160001534A1
Автор: Taniuchi Hiroshi
Принадлежит:

A three dimensional object modeling apparatus that produces a three dimensional object includes: a forming unit configured to form an image to be transferred on an intermediate transfer body, the transfer image being to be transferred to a laminate product that is a three dimensional object being formed; a laminating unit configured to transfer the image to the laminate product by the use of the intermediate transfer body so as to laminate the image; and a pressing member configured to take pressing power to the image formed on the intermediate transfer body in a state of contacting with the laminate product from the intermediate transfer side for transferring the image to the laminate product, the pressing member including a plurality of high hardness portions having a high hardness and a plurality of low hardness portions having a hardness lower than that of the high hardness portions. 1. A three dimensional object modeling apparatus that produces a three dimensional object , the apparatus comprising:a forming unit configured to form an image to be transferred on an intermediate transfer body, the transfer image being to be transferred to a laminate product that is a three dimensional object being formed;a laminating unit configured to transfer the image to the laminate product by the use of the intermediate transfer body so as to laminate the image; anda pressing member configured to take pressing power to the image formed on the intermediate transfer body in a state of contacting with the laminate product from the intermediate transfer side for transferring the image to the laminate product, the pressing member including a plurality of high hardness portions having a high hardness and a plurality of low hardness portions having a hardness lower than that of the high hardness portions.2. The three dimensional object modeling apparatus according to claim 1 , wherein the pressing member is provided at the intermediate transfer body.3. The three dimensional object ...

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Номер записи: 58
02-01-2020 дата публикации

TISSUE SUBSTITUTE PRINTING

Номер: US20200001498A1
Автор: Kuster Michael, Thurner Marc
Принадлежит: regenHU AG

A cartridge for use in a tissue substitute printing system is disclosed, the cartridge may have: 1. A cartridge for use in a tissue substitute printing system , the cartridge comprising:a material reservoir, the material reservoir storing a tissue substitute material in a flowable form;a material aperture arranged at a bottom side of the cartridge, the material aperture being fluidic coupled with the material reservoir for releasing the tissue substitute material stored in the material reservoir; andat least one auxiliary aperture arranged at the bottom side of the cartridge for releasing an auxiliary medium, the at least one auxiliary aperture being arranged in proximity to and fluidic separate from the material aperture.2. The cartridge according to claim 1 , wherein the cartridge comprises an auxiliary medium reservoir claim 1 , the auxiliary medium reservoir storing an auxiliary medium claim 1 , the auxiliary medium reservoir being fluidic coupled with the at least one auxiliary aperture.3. The cartridge according to claim 2 , wherein the auxiliary medium reservoir at least partially surrounds the material reservoir.4. The cartridge according to claim 1 , wherein the cartridge comprises a plurality of auxiliary apertures.5. The cartridge according to claim 4 , wherein the auxiliary apertures are arranged along an arc around the material aperture.6. The cartridge according to wherein the cartridge further comprises an auxiliary medium distribution ductwork claim 4 , the auxiliary medium distribution ductwork being fluidic coupled with the plurality of auxiliary apertures.7. The cartridge according to claim 1 , wherein the cartridge comprises at least one inlet opening claim 1 , the at least one inlet opening being fluidic coupled with the at least one auxiliary aperture.8. The cartridge according to claim 7 , wherein the at least one auxiliary aperture is fluidic coupled with an associated inlet opening via a point-to-point coupling.9. The cartridge according to ...

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Номер записи: 59
04-01-2018 дата публикации

MULTIPLE SUPPORT MATERIALS FOR ACCELERATED POST-PROCESSING OF THREE-DIMENSIONALLY PRINTED OBJECTS

Номер: US20180001545A1
Автор: Dufort Ron E., Hoover Linn C., HOWE Patrick J., Kanungo Mandakini, Ruiz Erwin
Принадлежит:

A three-dimensionally printed object includes build portions formed with a build material, first support portions formed with a first support material, and second portions formed with a second support material that is different than the first support material. The first and second support portions are arranged with the build portions such that the build portions are supported and protected during fabrication of the object. The arrangement is optimized to minimize a time period for removing the first and second support materials from the object and releasing the build portions. A method of producing the object includes operating ejectors of a three-dimensional object printer to form the build portion, first support portions, and the second support portions. The portions are formed with reference to the arrangement. 1. A three-dimensionally printed object comprising:portions formed with a build material;portions formed with a first support material; andportions formed with a second support material, the first support material being different from the second support material.2. The three-dimensionally printed object of wherein the first support material has a phase change temperature that is greater than a phase change temperature of the second support material.3. The three-dimensionally printed object of wherein the second support material can be removed by a heating process that heats the second support material to at least the phase change temperature of the second support material claim 2 , but does not heat the first support material to at least the phase change temperature of the first support material.4. The three-dimensionally printed object of wherein the first support material dissolves in a solvent that is different than a solvent in which the second support material dissolves.5. The three-dimensionally printed object of wherein the first support material dissolves in a solvent having a ph factor that is less than the ph factor of the solvent in which the ...

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Номер записи: 60
03-01-2019 дата публикации

SHRINKING SUPPORT STRUCTURES

Номер: US20190001412A1
Автор: CHIANG Yet-Ming, Chin Ricardo, Fontana Richard Remo, FULOP Ricardo, Gibson Michael Andrew, Hart Anastasios John, MYERBERG Jonah Samuel, Schuh Christopher Allan, Verminski Matthew David
Принадлежит:

A variety of additive manufacturing techniques can be adapted to fabricate a substantially net shape object from a computerized model using materials that can be debound and sintered into a fully dense metallic part or the like. However, during sintering, the net shape will shrink as binder escapes and the base material fuses into a dense final part. If the foundation beneath the object does not shrink in a corresponding fashion, the resulting stresses throughout the object can lead to fracturing, warping, or other physical damage to the object resulting in a failed fabrication. To address this issue, a variety of techniques are disclosed for substrates and build plates that contract in a manner complementary to the object during debinding and sintering. 1. A method comprising:fabricating a support structure including a substrate for an object from a support material having at least one of a debind shrinkage rate and a sintering shrinkage rate matching a build material; andfabricating an object from the build material on the support structure, wherein the object has a net shape based on a computerized model, wherein the build material includes a powdered material for forming a final part and a binder system including one or more binders, wherein the one or more binders resist deformation of the object during a fabrication, a debinding, and a sintering of the object into the final part, and wherein the support structure is configured to match a shrinkage of the object during at least one of the debinding and the sintering.2. The method of further comprising fabricating the support structure on a build plate formed of a material that is debindable and sinterable.3. The method of wherein fabricating the support structure includes fabricating a build plate for use as the support structure by injection molding the build plate with the support material.4. The method of wherein fabricating the support structure includes fabricating a structural support for at least one of ...

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Номер записи: 61
03-01-2019 дата публикации

METHOD OF MANUFACTURING A CEMENTED CARBIDE MATERIAL

Номер: US20190001414A1
Автор: HINNERS Hauke, KONYASHIN IGOR YURIEVICH, Ries Bernd Heinrich
Принадлежит: ELEMENT SIX GMBH

A method of fabricating a cemented carbide article by additive manufacturing, and a granular material are disclosed. A precursor material is provided that comprises granules, the granules comprising carbide grains and a binder comprising any of cobalt, nickel and iron. Each granule has a density of at least % of the theoretical density and the granules of the precursor material have a mean compressive strength of at least megapascals (MPa). An additive manufacturing process is used to manufacture the article by building up successive layers of material derived from the precursor material. 1. A method of fabricating a cemented carbide article by additive manufacturing , the method comprising:providing a granular precursor material comprising granules, the granules comprising carbide grains and a binder comprising any of cobalt, nickel and iron, and wherein each granule has a density of at least 99.5% of the theoretical density and the granules of the precursor material have a mean compressive strength of at least 40 megapascals, MPa; andusing an additive manufacturing process to manufacture the article by building up successive layers of material derived from the precursor material.2. The method as claimed in claim 1 , in which each granule of the precursor material has a density selected from any of at least 99.7% of the theoretical density claim 1 , at least 99.9% of the theoretical density claim 1 , and 100% of the theoretical density.3. The method as claimed in claim 1 , in which the granules of the precursor material have a mean compressive strength selected from any at least 60 MPa claim 1 , and at least 100 MPa.4. The method as claimed in claim 1 , in which the granules of the precursor material have sizes selected from any of between 20 microns and 200 microns claim 1 , between 30 microns and 120 microns claim 1 , and between 40 microns and 90 microns.5. The method as claimed in claim 1 , in which providing the granules of the precursor material comprises: ...

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Номер записи: 62
02-01-2020 дата публикации

ADDITIVE MANUFACTURING OF SHAPED BODIES FROM CURABLE MATERIALS

Номер: US20200001520A1
Автор: BOURQUIN Raphael, BRÜHWILER Armin, LOOTENS Didier
Принадлежит: SIKA TECHNOLOGY AG

A method for producing a shaped body from a curable material, in particular from a mineral binder composition, wherein the curable material is applied layer by layer in an additive method, in particular in an additive free-space method, by a printing head that can be moved in at least one spatial direction and wherein an application rate of the curable material and the temporal development of strength of the curable material are coordinated with each other. 1. A method for producing a shaped body from a curable material , wherein the curable material is applied in layers in an additive method by means of a print head that is moveable in at least one spatial direction and wherein an application rate of the curable material and the temporal strength development of the curable material are coordinated with each other.2. The method as claimed in claim 1 , wherein the application rate of the curable material is set depending on the strength of the curable material at a specified point in time after mixing of the curable material and/or after the exit of the curable material from the print head or vice versa.3. The method as claimed in claim 1 , wherein the application rate of the curable material is changed as the number of layers increases.4. The method as claimed in claim 1 , wherein a waiting time is observed between the application of two successive layers of curable material claim 1 , wherein the waiting time is selected depending on the temporal strength development of the curable material.5. The method as claimed in claim 1 , wherein a movement speed of the print head is set depending on the temporal strength development of the curable material.6. The method as claimed in claim 1 , wherein the movement speed of the print head is set depending on a length of a distance the print head has to travel in a current layer of the shaped body with release of curable material.7. The method as claimed in claim 1 , wherein the temporal strength development of the curable ...

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Номер записи: 63
03-01-2019 дата публикации

SOLIDIFICATION REFINEMENT AND GENERAL PHASE TRANSFORMATION CONTROL THROUGH APPLICATION OF IN SITU GAS JET IMPINGEMENT IN METAL ADDITIVE MANUFACTURING

Номер: US20190001437A1
Автор: LARSEN Hilde Løken, MATHISEN Martin Borlaug
Принадлежит: NORSK TITANIUM AS

Provided are a jet device and systems and methods using the jet device for manufacturing objects by additive manufacturing, especially titanium and titanium alloy objects, wherein the jet device directs a cooling gas across a liquid molten pool, or to impinge on the liquid molten pool, or to impinge upon a solidified material adjacent to a liquid-solid boundary of the liquid molten pool, or to impinge on an as-solidified material, or any combination thereof, during the additive manufacturing process. The application of the cooling gas can result in an additively manufactured metal product having refined grain structure with a high proportion of the grains being approximately equiaxed, and can yield an additively manufactured product exhibiting improvements in strength, fatigue resistance, and durability. 1. A jet device , comprising: an inlet for accepting a cooling gas; and', 'an aperture connected to a nozzle for dispensing a cooling gas;, 'a first conduit comprising an inlet for accepting a cooling gas; and', 'an aperture connected to a nozzle for dispensing a cooling gas;, 'a second conduit comprisingwherein:the first conduit is attached to a melting tool producing a thermal energy source on one side of the thermal energy source and the second conduit is attached to the melting tool on an opposite second side of the thermal energy source;at least one nozzle is configured to produce a turbulent flow of the cooling gas as the cooling gas exits the nozzle; andthe nozzles are configured and positioned to prevent blowing the cooling gas toward the thermal energy source.2. A jet device , comprising: an inlet for accepting a cooling gas; and', 'at least one aperture connected to at least one nozzle for dispensing the cooling gas in situ to a surface of an as-deposited metal string deposited during a metal additive manufacturing process; and, 'a conduit comprisinga bracket allowing attachment of the conduit to a component of a metal additive manufacturing system and ...

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Номер записи: 64
02-01-2020 дата публикации

SYSTEM AND METHOD FOR MANUFACTURING A THREE-DIMENSIONAL OBJECT

Номер: US20200001524A1
Автор: Geitner Andreas, Schultheiss Andreas
Принадлежит:

The invention relates to a system for manufacturing a three-dimensional object by solidifying, in particular in layers or continuously, a material that is solidifiable under the action of radiation, wherein the system includes a device for manufacturing a three-dimensional object by solidifying, in particular in layers or continuously, a material that is solidifiable under the action of radiation, wherein the system includes a carrier arrangement for holding the three-dimensional object that has been solidified from the solidifiable material, wherein on the one hand at least one of the carrier arrangement and a part thereof, and on the other the device, are formed such that they are detachably connectable to one another, in particular for the purpose of separation once the solidified three-dimensional object has been formed. 1. A system for manufacturing a three-dimensional object by solidifying , in particular in layers or continuously , a material that is solidifiable under the action of radiation , wherein the system includes a device for manufacturing a three-dimensional object by solidifying , in particular in layers or continuously , a material that is solidifiable under the action of radiation , wherein the system includes a carrier arrangement for holding the three-dimensional object that has been solidified from the solidifiable material , wherein on the one hand at least one of the carrier arrangement and a part thereof , and on the other the device , are formed such that they are detachably connectable to one another , in particular for the purpose of separation once the solidified three-dimensional object has been formed.2. The system according to claim 1 , whereina) the carrier arrangement includes a carrier base body and at least one carrier element, and in that the carrier base body and the at least one carrier element are formed such that they are detachably connectable to one another orb) the carrier arrangement includes a carrier base body and at ...

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Номер записи: 65
03-01-2019 дата публикации

INDUCTION HEATING COIL

Номер: US20190001439A1
Автор: FUJIYAMA Norihide, NAKATA Ayaka, YAMAMOTO Ryosuke
Принадлежит: Koyo Thermo Systems Co., Ltd.

An induction heating coil includes a coil section configured to heat a treatment target by induction, a power supply section configured to supply power to the coil section, and a cooling medium passage that is arranged in the power supply section and the coil section, and is configured to supply a cooling medium to the coil section. The coil section, the power supply section, and the cooling medium passage are formed using a metal additive fabrication method. 1. An induction heating coil comprising:a coil configured to heat a treatment target by induction;a power supply configured to supply power to the coil; anda first cooling medium passage configured to supply a cooling medium to the coil for cooling the coil; anda second cooling medium passage configured to supply a treatment target cooling medium for cooling the treatment target induction-heated by the coil,wherein the first cooling medium passage includes a coil side first passage formed in the coil,the second cooling medium passage includes a coil side second passage formed in the coil,the coil side first passage is arranged inwardly in a radial direction of the coil with respect to the coil side second passage, andthe coil, the coil side first passage and the coil side second passage are formed in one piece using a single member of unified structure.2. The induction heating coil according to claim 1 , further comprising:a plurality of spray nozzles configured to spray the treatment target cooling medium to the treatment target, and configured to connect to the coil side second passage and to be opened to an inner circumferential surface of the coil,wherein the plurality of spray nozzles includes a spray nozzle arranged so as not to be in contact with the coil side first passage.3. The induction heating coil according to claim 2 , wherein:the coil side first passage includes a rising and falling conduit,the rising and falling conduit extends in a circumferential direction of the coil while rising and falling ...

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Номер записи: 66
02-01-2020 дата публикации

DUAL WAVELENGTH NEGATIVE IMAGING DLP-SLA SYSTEM

Номер: US20200001531A1
Автор: MORAN Bryan D.
Принадлежит:

The present disclosure relates to a digital light projector (DLP) system which has first and second light sources. The first optical source may generate a first beam at a first wavelength which causes polymerization of a photopolymerizable resist. The second optical source may generate a second beam at a second wavelength different from the first wavelength, and where the second beam inhibits polymerization of the photopolymerizable resist. A digital micromirror device (DMD) is included which has a plurality of micromirrors and is configured to be illuminated by the first and second beams and to generate a pattern on the micromirrors which has light from the first and second light wavelengths controlled by the micromirror position. The first light image causes polymerization of a first portion of the photopolymerizable resist, while the second image inhibits polymerization of a second portion of the photopolymerizable resist. 1. A digital light projector (DLP) system for comprising:a first light source for generating a first beam at a first wavelength, the first beam operable to cause polymerization of a photopolymerizable resist;a second light source for generating a second beam at a second wavelength different from the first wavelength, and where the second beam is operative to inhibit polymerization of the photopolymerizable resist; anda digital micro mirror device (DMD) having a plurality of micromirrors and configured to receive the first and second beams and to generate therefrom a first light pattern and a second light pattern, the first light pattern, when falling on the photopolymerizable resist, creating a first image made up of light of the first wavelength, and the second light pattern, when falling on the photopolymer resist, creating a second image made up of light of the second wavelength, the two images being interleaved, and where the first wavelength light causes polymerization of a first portion of the photopolymerizable resist, while the second ...

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Номер записи: 67
03-01-2019 дата публикации

ADDITIVELY MANUFACTURED INTEGRATED CASTING CORE STRUCTURE WITH CERAMIC SHELL

Номер: US20190001522A1
Автор: Brown Michael, COLE Michael, GARAY Gregory Terrence, KONITZER Douglas Gerard, PANG Tingfan, PRZESLAWSKI Brian David, Yang Xi
Принадлежит:

The present disclosure generally relates to integrated core-shell investment casting molds that provide a filament structure corresponding to a cooling hole pattern in the surface of the turbine blade, stator vane, or shroud. The disclosure also relates to the forming of a ceramic coating on at least a portion of the shell of the core-shell casting mold. 1. A method of fabricating a ceramic casting mold comprising:forming a ceramic core-shell mold using an additive manufacturing process, the ceramic core-shell mold comprising a first ceramic material;connecting at least one wax component to the ceramic core-shell mold, the ceramic core-shell mold comprising a core portion and a shell portion and at least one first cavity between the core portion and the shell portion;coating at least a portion of the ceramic core-shell mold and the at least one wax component with a second ceramic material; andremoving the at least one wax component to form at least a second cavity in fluid communication with the at least one first cavity.2. The method of fabricating a ceramic casting mold of claim 1 , wherein the at least one wax component comprises a plurality of wax gates.3. The method of fabricating a ceramic casting mold of claim 2 , wherein the ceramic casting mold comprises a plurality of core-shell portions each connected to a wax gate.4. The method of fabricating a ceramic casting mold of claim 3 , wherein each of the plurality of core-shell portions is connected to a plurality of wax gates.5. The method of fabricating a ceramic casting mold of claim 1 , wherein the shell portion of the core-shell mold comprises at least one opening in fluid communication with the at least one first cavity claim 1 , wherein the at least one wax component is connected to the at least one opening.6. The method of fabricating a ceramic casting mold of claim 1 , wherein the first ceramic material has a different solubility claim 1 , heat transfer coefficient claim 1 , and/or porosity than that ...

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Номер записи: 68
06-01-2022 дата публикации

DISTRIBUTED QUALITY MANAGEMENT AND CONTROL SYSTEMS AND METHODS FOR DECENTRALIZED MANUFACTURING USING BLOCKCHAIN

Номер: US20220004164A1
Автор: Godfrey Donald, Hota Rakesh, Kar Satyanarayan, Kasimsetty Vinayakumar, Rao Sujaya
Принадлежит: HONEYWELL INTERNATIONAL INC.

A method for secure transfer of an additive manufacturing design file and for process monitoring of additively manufactured articles that are manufactured in accordance with such design file includes the steps of: at an article designer located at a first location, generating the additive manufacturing design file; from the first location, sending the additive manufacturing design file to an additive manufacturing AM vendor located at a second location different from the first location; at the second location, using an additive manufacturing tool, manufacturing the article in accordance with the design file; and at the second location, and using a plurality of process monitoring devices, generating a plurality of process parameters associated with the manufacture of the article; at the second location, generating a cryptographic, distributed ledger comprising the plurality of process parameters. The ledger is generated in the manner of a block-chain. 1. A method for secure transfer of an additive manufacturing design file and for process monitoring of additively manufactured articles that are manufactured in accordance with such design file , the method comprising the steps of:at an article designer located at a first location, generating the additive manufacturing design file;from the first location, sending the additive manufacturing design file to an additive manufacturing AM vendor located at a second location different from the first location, wherein the additive manufacturing design file is sent in an encrypted manner;at the second location, using an additive manufacturing tool, manufacturing the article in accordance with the design file, wherein the additive manufacturing tool comprises a plurality of process monitoring sensors;at the second location, and using the plurality of process monitoring sensors, generating a plurality of process parameters associated with the manufacture of the article;at the second location, generating a cryptographic, ...

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Номер записи: 69
03-01-2019 дата публикации

THREE-DIMENSIONAL PRINTER INCLUDING LIGHT EXPOSURE SYSTEM FOR LARGE SCREEN DIVIDED INTO MULTIPLE SCREENS

Номер: US20190001551A1
Автор: Lee Byung-keuk
Принадлежит:

The present invention relates to a 3D printer with an exposure system for a large-scale screen. The 3D printer of the present invention comprises a resin tank configured to be filled with liquid resin; a build platform configured to be immersed in the resin tank or positioned on a surface of the resin tank to form a building plane, and make the liquid resin be cured and stacked on the building plane; a build-platform driver configured to drive the build platform to move up and down; an exposure system configured to project an image beam toward the building plane; and a controller configured to generate a layered unit image from shape information about a building object, split the layered unit image into a plurality of split images, and provides the plurality of split images to the exposure system with time differences, wherein the exposure system receives the plurality of split images from the controller and projects a plurality of split image beams with time differences, and the plurality of split image beams is made into the image beam by a plurality of split screens with time differences and projected to the building plane. The present invention provides a 3D printer which employs one optical engine to form a large-scale screen, thereby having a simpler structure and costing less than a system using a plurality of optical engines. 1. A 3D printer comprising:a resin tank configured to be filled with liquid resin;a build platform configured to be immersed in the resin tank or positioned on a surface of the resin tank to form a building plane, and make the liquid resin be cured and stacked on the building plane;a build-platform driver configured to drive the build platform to move up and down;an exposure system configured to project an image beam toward the building plane; anda controller configured to generate a layered unit image from shape information about a building object, split the layered unit image into a plurality of split images, and provides the ...

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Номер записи: 70
03-01-2019 дата публикации

Additive manufacturing material for powder rapid prototyping manufacturing

Номер: US20190001556A1
Автор: Hiroyuki Ibe, Junya Yamada
Принадлежит: Fujimi Inc

A molding material is provided which, despite containing a ceramic, enables efficient molding for producing high-density molded articles. The present invention provides a molding material to be used in powder laminate molding. This molding material contains a first powder which contains a ceramic, and a second powder which contains a metal. Further, the first powder and the second powder configure granulated particles. Ideally, the ratio of the content of the second powder to the total content of the first powder and the second powder is greater than 10 mass % and less than 90 mass %.

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Номер записи: 71
03-01-2019 дата публикации

COMPOSITION INCLUDING A HIGH MELT TEMPERATURE BUILD MATERIAL

Номер: US20190001558A1
Автор: Erickson Kristopher J., Nauka Krzysztof, Tom Howard S., Zhao Lihua
Принадлежит: Hewlett-Packard Development Company, L.P.

According to an example, a composition may include a high melt temperature build material in the form of a powder; a first low melt temperature binder in the form of a powder; and a second low melt temperature binder in the form of a powder, and in which the first low melt temperature binder melts at a temperature that is different from the second low melt temperature binder. 1. A composition comprising:a high melt temperature build material in the form of a powder;a first low melt temperature binder in the form of a powder; anda second low melt temperature binder in the form of a powder; andwherein the first low melt temperature binder melts at a temperature that is different from the second low melt temperature binder.2. The composition of claim 1 , wherein the high melt temperature build material is selected from the group consisting of metals claim 1 , metal alloys claim 1 , ceramics claim 1 , and polymers.3. The composition of claim 1 , wherein the first low melt temperature binder and the second low melt temperature binder are independently selected from the group consisting of polypropylene claim 1 , polyethylene claim 1 , low density polyethylene claim 1 , high density polyethylene claim 1 , polyethylene oxide claim 1 , polyethylene glycol claim 1 , acrylonitrile butadiene styrene claim 1 , polystyrene claim 1 , styrene-acrylonitrile resin claim 1 , polyphenyl ether claim 1 , polyamide 11 claim 1 , polyamide 12 claim 1 , polymethyl pentene claim 1 , polyoxymethylene claim 1 , polyethylene terephthalate claim 1 , polybutylene terephthalate claim 1 , polyvinylidene fluoride claim 1 , polytetrafluoroethylene claim 1 , perfluoroalkoxy alkane claim 1 , polyphenylene sulfide claim 1 , and polyether ether ketone.4. The composition of claim 1 , wherein the first low melt temperature binder and the second low melt temperature binder each have a melting point temperature less than about 250° C.5. The composition of claim 1 , wherein the first low melt temperature ...

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Номер записи: 72
03-01-2019 дата публикации

PRINT HEAD FOR ADDITIVE MANUFACTURING SYSTEM

Номер: US20190001561A1
Автор: Stockett Ryan C.
Принадлежит: CC3D LLC

A print head is disclosed for use with an additive manufacturing system. The print head may include a nozzle having a base end, a tip end, and a cylindrical passage extending from the base end to the tip end. The print head may also include a compactor located at least partially inside of the nozzle at the tip end. 1. A print head for an additive manufacturing system , comprising:a nozzle having a base end, a tip end, and a cylindrical passage extending from the base end to the tip end; anda compactor located at least partially inside of the nozzle at the tip end.2. The print head of claim 1 , wherein a central axis of the cylindrical passage passes through the compactor.3. The print head of claim 2 , wherein the compactor is a generally spherical ball.4. The print head of claim 3 , wherein the compactor is at least one of a cylindrical roller and a crowned roller.5. The print head of claim 1 , further including a cavity formed within the tip end of the nozzle and configured to at least partially receive the compactor.6. The print head of claim 5 , wherein the compactor is captured in the cavity.7. The print head of claim 5 , further including a bearing disposed at least partially inside the cavity and configured to engage the compactor.8. The print head of claim 7 , wherein the bearing is driven to rotate the compactor.9. The print head of claim 5 , further including an orifice connecting the cylindrical passage to the cavity.10. The print head of claim 9 , wherein the orifice is generally aligned with an axis of the cylindrical passage.11. The print head of claim 9 , wherein the orifice is offset from an axis of the cylindrical passage in a travel direction of the print head.12. The print head of claim 9 , wherein the compactor is biased away from the orifice.13. The print head of claim 1 , wherein a reinforcement passing through the nozzle engages the compactor prior to placement.14. The print head of claim 13 , wherein the reinforcement engages the compactor ...

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Номер записи: 73
03-01-2019 дата публикации

PRINT HEAD FOR ADDITIVE MANUFACTURING SYSTEM

Номер: US20190001562A1
Автор: Stockett Ryan C., Tyler Kenneth Lyle
Принадлежит: CC3D LLC

A print head is disclosed for use with an additive manufacturing system. The print head may include a nozzle, and a traveling anchor point mounted at a trailing side of the nozzle. The traveling anchor point may include an arm extending radially outward from the nozzle, and a plunger slidingly disposed in the arm. The traveling anchor point may also include an actuator configured to selectively move the plunger from a stowed position to an engaged position against material discharging from the nozzle. 1. A print head for an additive manufacturing system , comprising:a nozzle; and an arm extending radially outward from the nozzle;', 'a plunger slidingly disposed in the arm; and', 'an actuator configured to selectively move the plunger from a stowed position to an engaged position against material discharging from the nozzle., 'a traveling anchor point mounted at a trailing side of the nozzle, the traveling anchor point including2. The print head of claim 1 , further including a bushing connecting the plunger to the arm.3. The print head of claim 2 , wherein the bushing is moveable along a length of the arm.4. The print head of claim 3 , further including a mechanized device configured to move the bushing relative to the arm.5. The print head of claim 4 , wherein the mechanized device is one of a rack-and-pinion and a lead screw.6. The print head of claim 1 , wherein the actuator is an electric solenoid.7. The print head of claim 1 , further including a spring configured to return the plunger to the stowed position.8. The print head of claim 1 , wherein the plunger includes:a pin; anda roller operatively connected to an end of the pin.9. The print head of claim 1 , further including a cure enhancer mounted to a side of the arm claim 1 , between the nozzle and the plunger.10. The print head of claim 9 , wherein the cure enhancer is a UV light.11. The print head of claim 1 , wherein the arm is connected to pivot around the nozzle.12. The print head of claim 1 , wherein: ...

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Номер записи: 74
03-01-2019 дата публикации

PRINT HEAD FOR ADDITIVELY MANUFACTURING COMPOSITE TUBES

Номер: US20190001564A1
Автор: Stockett Ryan C., Tyler Kenneth Lyle
Принадлежит: CC3D LLC

A print head is disclosed for use with an additive manufacturing system. The print head may include a housing configured to receive a prefabricated woven sleeve, and a fiber guide disposed at least partially inside the housing and configured for insertion into the prefabricated woven sleeve. The print head may also include a diverter connected to an end of the fiber guide inside of a downstream mouth of the housing, and at least one cure enhancer located at the mouth of the housing. 1. A print head for an additive manufacturing system , comprising:a housing configured to receive a prefabricated woven sleeve;a fiber guide disposed at least partially inside the housing and configured for insertion into the prefabricated woven sleeve;a diverter connected to an end of the fiber guide inside of a downstream mouth of the housing; andat least one cure enhancer located at the downstream mouth of the housing.2. The print head of claim 1 , wherein the at least one cure enhancer includes an inner cure enhancer connected to the diverter.3. The print head of claim 2 , wherein the at least one cure enhancer further includes at least one outer cure enhancer operatively connected to the housing.4. The print head of claim 3 , further including a collar mounted to the housing at a downstream end claim 3 , wherein the at least one outer cure enhancer includes a plurality of outer cure enhancers distributed around an inner periphery of the collar.5. The print head of claim 1 , further including a collar mounted to the housing at a downstream end claim 1 , wherein the at least one cure enhancer includes a plurality of cure enhancers distributed around an inner periphery of the collar.6. A method of additively manufacturing a composite tube claim 1 , comprising:loading a finite length of a prefabricated woven sleeve into a print head;wetting the prefabricated woven sleeve with a liquid matrix;discharging the prefabricated woven sleeve from the print head; anddirecting a cure energy onto ...

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Номер записи: 75
03-01-2019 дата публикации

PRINT HEAD FOR ADDITIVE MANUFACTURING SYSTEM

Номер: US20190001565A1
Автор: Stockett Ryan C., Tyler Kenneth Lyle
Принадлежит: CC3D LLC

A print head is disclosed for use with an additive manufacturing system. The print head may include a nozzle having an internal passage and at least one ellipsoidal orifice. The print head may also include a fiber guide disposed at least partially inside the nozzle and dividing the internal passage into a plurality of channels. A length of each of the plurality of channels extends in an axial direction of the nozzle. 1. A print head for an additive manufacturing system , comprising:a nozzle having an internal passage and at least one ellipsoidal orifice; anda fiber guide disposed at least partially inside the nozzle and dividing the internal passage into a plurality of channels,wherein a length of each of the plurality of channels extends in an axial direction of the nozzle.2. The print head of claim 1 , wherein the fiber guide includes a plurality of radially oriented dividers.3. The print head of claim 2 , wherein the plurality of radially oriented dividers are generally planner and have inner edges connected to each other.4. The print head of claim 2 , wherein the plurality of radially oriented dividers form a cross-shape.5. The print head of claim 2 , wherein the plurality of radially oriented dividers extend radially outward to an annular wall of the internal passage.6. The print head of claim 1 , wherein the plurality of channels includes a center channel and at least one peripheral channel.7. The print head of claim 6 , wherein the at least one peripheral channel includes a plurality of peripheral channels.8. The print head of claim 1 , wherein the plurality of channels are open at an outer radial side.9. The print head of claim 1 , further including a rotary actuator configured to rotate the fiber guide.10. The print head of claim 1 , wherein the fiber guide terminates short of the at least one ellipsoidal orifice.11. The print head of claim 10 , wherein ends of the fiber guide at the at least one ellipsoidal orifice are rounded.12. The print head of claim 1 ...

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Номер записи: 76
03-01-2019 дата публикации

BIOLOGICAL PRINTER

Номер: US20190001568A1
Автор: LI Yijun, Wang Deming, Wen Xuemin, Zhang Leqing
Принадлежит: REVITEK CO., LTD.

The present disclosure relates to a bioprinter, which comprises a spray head, a connector and a bioprinting material container having a discharge pipe, wherein a first end of the connector is threadedly connected with the discharge pipe, and a second end of the connector is detachably connected with the spray head. The bioprinter is configured such that, a connector is provided between the discharge pipe of the bioprinting material container and the spray head, wherein the first end of the connector is threadedly connected with the discharge pipe, and the second end is detachably disposed on the spray head. Compared with the bilateral plugging manner in the prior art, it is only necessary to unscrew the bioprinting material container such as to realize rapid replacement, so that it is extremely convenient to add the biological printing material, thereby avoiding the problem that the connector is integrally pulled out and the temperature environment is damaged when the container replaced in the past, and presenting a high reliability. 1. A bioprinter , comprising a spray head , a connector and a bioprinting material container having a discharge pipe , wherein a first end of the connector is threadedly connected with the discharge pipe , and a second end of the connector is detachably connected with the spray head.2. The bioprinter according to claim 1 , wherein an outlet end of the discharge pipe is provided with a first external thread claim 1 , and the first end of the connector is provided with a first accommodating cavity for accommodating the outlet end claim 1 , wherein the first accommodating cavity is internally provided with a first internal thread mated with the first external thread claim 1 , and the outlet end is inserted and threadedly connected into the first end of the connector.3. The bioprinter according to claim 2 , wherein the first accommodating cavity has a tapered section taken along a direction towards the second end of the connector.4. The ...

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Номер записи: 77
03-01-2019 дата публикации

BUILD MATERIAL SUPPLY FOR ADDITIVE MANUFACTURING

Номер: US20190001570A1
Автор: BRANHAM Bradley B., Driggers Matt G., Hernandez Anna, Kania Ken, Winters William
Принадлежит:

In one example, a build material supply for an additive manufacturing machine includes a container to de-agglomerate a supply of powdered build material. 1. A build material supply for an additive manufacturing machine , comprising a container to de-agglomerate a supply of powdered build material.2. The supply of claim 1 , where the container to de-agglomerate a supply of powdered build material comprises a rotatable container and the supply includes a controller to rotate the container to cause a cataracting flow of powdered build material inside the container.3. The supply of claim 2 , where the container comprises a cylindrical drum having a slot extending lengthwise along the drum through which de-agglomerated powdered build material may be dispensed from the drum and a valve to open and close the slot.4. The supply of claim 3 , comprising a heater inside the drum.5. The supply of claim 4 , comprising powdered build material in the drum.6. A non-transitory processor readable medium including instructions thereon that when executed cause an additive manufacturing machine to de-agglomerate a supply of powdered build material and dispense de-agglomerated powdered build material from the supply to a work area.7. The processor readable medium of claim 6 , including instructions to heat the supply of de-agglomerated powdered build material and dispense heated de-agglomerated powdered build material from the supply to a work area.8. An additive manufacturing machine controller that includes the processor readable medium of .9. An additive manufacturing process claim 6 , comprising:causing a cataracting flow of powdered build material inside a container;heating the cataracting flow of powdered build material;dispensing heated powdered build material from the container to a work area; and then fusing powdered build material in the work area.10. The process of claim 9 , where the container is an elongated container and the dispensing includes dispensing heated powdered ...

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Номер записи: 78
03-01-2019 дата публикации

SYSTEMS AND METHODS FOR DETERMINING DYNAMIC FORCES IN A LIQUEFIER SYSTEM IN ADDITIVE MANUFACTURING

Номер: US20190001574A1
Автор: Bastian Andreas Linas, Sadusk Joseph Isaac, Schmehl Peter Joseph, Yackabonis William Edward
Принадлежит:

Systems and method for determining dynamic forces in a liquefier system in additive manufacturing include, in at least one aspect of the subject matter described in this specification, a method including: receiving motor data for a drive motor that pushes a solid material toward a liquefaction zone of the liquefier system, wherein the motor data comprises at least one data point per individual command code of a set of command codes sent for additive manufacturing; receiving pressure data associated with the liquefaction zone of the liquefier system, wherein the pressure data includes at least one data point per individual command code of the set of command codes; analyzing the motor data and the pressure data for the set of command codes; and outputting a result of the analyzing to facilitate further 3D printing by the AM 3D printer using the solid material. 1. A method for determining dynamic forces in a liquefier system of an additive manufacturing (AM) three dimensional (3D) printer , the method comprising:receiving motor data for a drive motor that pushes a solid material toward a liquefaction zone of the liquefier system, wherein the motor data comprises at least one data point per individual command code of a set of command codes sent to the AM 3D printer;receiving temperature data associated with the liquefaction zone of the liquefier system, wherein the temperature data comprises at least one data point per individual command code of the set of command codes sent to the AM 3D printer;receiving pressure data associated with the liquefaction zone of the liquefier system, wherein the pressure data comprises at least one data point per individual command code of the set of command codes sent to the AM 3D printer;analyzing the motor data, the temperature data, and the pressure data for the set of command codes sent to the AM 3D printer; andoutputting a result of the analyzing to facilitate further 3D printing by the AM 3D printer using the solid material.2. The ...

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Номер записи: 79
03-01-2019 дата публикации

MEASUREMENT, DIMENSIONAL CONTROL AND TREATMENT OF A FILAMENT

Номер: US20190001577A1
Автор: Hocker Thomas
Принадлежит:

Disclosed is a method to determine a dimension of a filament in a material extrusion additive manufacturing process, the method including: illuminating a moving filament with an optical LED light source emitting light with a wavelength between 495 and 570 nanometers; detecting an output value corresponding to an edge of the moving filament at specific points with a CMOS sensor; and processing the output value in a signal processor to determine the dimension of the filament at specific points, then passing the filament through an extrusion head, and then depositing a plurality of layers of extruded filament material in a preset pattern and fusing the plurality of layers of extruded filament material to form a three dimensional article. 1. A method to determine a dimension of a filament in a material extrusion additive manufacturing process , the method comprising:illuminating a moving filament with an optical LED light source emitting light with a wavelength between 495 and 570 nanometers;detecting an output value corresponding to an edge of the moving filament at specific points with a CMOS sensor; andprocessing the output value in a signal processor to determine the dimension of the filament at specific points, then passing the filament through an extrusion head, and then depositing a plurality of layers of extruded filament material in a preset pattern and fusing the plurality of layers of extruded filament material to form a three dimensional article.2. The method of claim 1 , wherein the moving filament is positioned between the optical LED light source and the CMOS sensor.3. The method of claim 1 , wherein the output value corresponding to an edge of the filament corresponds to a position of an interface between a lighter area and a darker area on the CMOS sensor.4. The method of claim 1 , wherein the filament is formed from a polymer comprising polycarbonate claim 1 , polyetherimide claim 1 , acrylonitrile-butadiene-styrene claim 1 , polyphenylene ether claim ...

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Номер записи: 80
02-01-2020 дата публикации

FILAMENT ACCUMULATOR OR TENSIONING ASSEMBLY

Номер: US20200002121A1
Автор: Manuel Steven George, Sunden Erik
Принадлежит:

A filament accumulator assembly is provided containing a filament inlet for receiving a continuous filament from the filament source and a filament outlet for receiving the continuous filament from the filament inlet, the continuous filament forming a filament loop between the filament exiting the filament inlet and entering the filament outlet. The filament accumulator assembly further comprises a filament track defining at least part of an inner boundary and an outer boundary of a circuitous filament route between the filament inlet and the filament outlet, and the filament loop is bound by the filament track. The filament loop has a diameter that varies across a range of potential diameters within the filament track. 1. A filament accumulator for absorbing a speed mismatch between filament provided from a filament source and filament used at a filament deposition head comprising:a continuous filament forming a filament loop;a filament inlet for receiving the continuous filament from a filament source;a filament outlet for receiving the continuous filament from the filament inlet, the filament loop being a loop in the continuous filament between the continuous filament exiting the filament inlet and entering the filament outlet; anda filament track defining at least part of an inner boundary and an outer boundary of a circuitous filament route between the filament inlet and the filament outlet, the filament loop being bound by the filament track;wherein the filament loop has a diameter that varies across a range of potential diameters within the filament track;wherein the filament deposition head draws the continuous filament from the filament outlet at a first speed;wherein the filament inlet receives the continuous filament from the filament source at a second speed, andwherein a mismatch between the first speed and the second speed results in a change in the diameter of the filament loop.2. The filament accumulator of claim 1 , further comprising at least one ...

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Номер записи: 81
07-01-2016 дата публикации

Electrodeposited Compositions and Nanolaminated Alloys for Articles Prepared by Additive Manfacturing Processes

Номер: US20160002790A1
Автор: Caldwell Richard J., Krupps William, Lomasney Christina A., UNGER Jesse, WHITAKER John D.
Принадлежит:

Articles prepared by additive manufacturing of preforms that are coated by electrodeposition of nanolaminate materials, and methods of their production are described. 1. A method of preparing an article comprising:preparing a preform by additive manufacturing;optionally subjecting all or part of the preform to electroless plating; andelectrodepositing a composition comprising a metal to the preform.2. The method of claim 1 , wherein said preform comprises a polymer.3. (canceled)4. The method of claim 2 , wherein the polymer comprises:polyetherimide, polyetherketoneketone, nylon, polyvinyl alcohol (PVA), acrylonitrile butadiene styrene (ABS), polycarbonate (PC), polylactic acid (PLA), PC/ABS, wood fiber, polyphenylsulfone (PPSU) or a combination of one or more, two or more, or three or more of the foregoing.5. (canceled)6. The method of claim 1 , wherein said preform comprises a conductive material.711-. (canceled)12. The method of claim 1 , wherein all or part of said preform is contacted with an electroless plating solution to produce an electroless plated preform prior to said electrodepositing claim 1 , followed by removal of said electroless plated preform from contact with said electroless plating solution.13. The method of claim 12 , further comprising contacting said electroless plated preform with a bath or shower of liquid while being subjected to sonication claim 12 ,wherein contacting said electroless plated preform with a bath or shower of liquid while being subjected to sonication removes greater than about 80% by weight of the electroless plating solution associated with said electroless plated preform following said removal of said electroless plated preform from contact with said electroless plating solution.1415-. (canceled)16. The method of claim 12 , wherein prior to said electrodepositing claim 12 , said electroless plated preform is subjected to a reduced gas pressure that is less than 760 mm of Hg for a period sufficient to remove greater than ...

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Номер записи: 82
02-01-2020 дата публикации

POLYIMIDE PRECURSOR RESIN COMPOSITION

Номер: US20200002476A1
Автор: KANADA Takayuki, MAITANI Masaki, OKUDA Toshiaki
Принадлежит: ASAHI KASEI KABUSHIKI KAISHA

Problem: The invention provides a polyimide precursor as well as a resin composition thereof that is excellent in coating properties of slit coating as well as productivity and also excellent in optical properties that are required for applications of flexible substrates. 2. The polyimide precursor according to claim 1 , wherein the weight-average molecular weight of the polyimide precursor is more than 96 claim 1 ,000.3. The polyimide precursor according to claim 1 , the tetravalent group represented by formula (2) is a residue group of 9 claim 1 ,9-bis(3 claim 1 ,4-dicarboxyphenyl)fluorene dianhydride claim 1 , or 9 claim 1 ,9-bis[4-(3 claim 1 ,4-dicarboxyphenoxy)phenyl]fluorene dianhydride.4. The polyimide precursor according to claim 1 , wherein the polyimide precursor is a copolymer of tetracarboxylic dianhydride and diamine claim 1 , and the tetracarboxylic dianhydride contains at least one of pyromellitic dianhydride and 3 claim 1 ,3′ claim 1 ,4 claim 1 ,4′-biphenyltetracarboxylic dianhydride.5. The polyimide precursor according to claim 1 , wherein the diamine contains at least one selected from the group consisting of2,2′-diaminobis(trifluoromethyl)biphenyl,4,4′ and/or 3,3′-diaminodiphenyl sulfone,9,9-bis(4-aminophenyl)fluorene, and1,4-diaminocyclohexane.6. The polyimide precursor according to claim 1 , wherein the weight-average molecular weight of the polyimide precursor is 200 claim 1 ,000 or less.7. The polyimide precursor according to claim 1 , wherein the weight-average molecular weight of the polyimide precursor is 110 claim 1 ,000 to 200 claim 1 ,000.8. The polyimide precursor according to claim 1 , wherein the weight-average molecular weight of the polyimide precursor is 180 claim 1 ,000 or less.9. The polyimide precursor according to claim 1 , wherein the weight-average molecular weight of the polyimide precursor is 139 claim 1 ,000 or more.10. A resin composition comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the polyimide ...

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Номер записи: 83
04-01-2018 дата публикации

HYPOTHERMIC 3D BIOPRINTING OF LIVING TISSUES SUPPORTED BY PERFUSABLE VASCULATURE

Номер: US20180002658A1
Автор: Grigoryan Bagrat, Miller Jordan, Ta Anderson
Принадлежит:

The present disclosure provides compositions and methods for producing hydrogel matrix constructs. Methods of using hydrogel matrix constructs for tissue repair and regeneration and for the oxygenation of red blood cells are also disclosed. 1. A prepolymerization solution comprising: a photosensitive polymer having a molecular weight of greater than 2 ,000 Daltons and comprising at least two vinyl groups per molecule of polymer; a photoinitiator; and a biocompatible , light-absorbing additive material suitable to control light penetration.2. The prepolymerization solution of further comprising a cell.3. The prepolymerization solution of claim 1 , wherein the biocompatible claim 1 , light-absorbing additive material is organic.4. The prepolymerization solution of claim 1 , wherein the biocompatible claim 1 , light-absorbing additive material is tartrazine or curcumin.5. The prepolymerization solution of comprising a water content of 10 wt % to about 99.5 wt %.6. The prepolymerization solution of claim 1 , wherein the polymer is poly(ethylene glycol) and wherein the at least two vinyl groups are methacrylate or acrylamide.7. The prepolymerization solution of wherein the photo-initiator is lithium acylphosphinate.8. A composition comprising:a hydrogel matrix comprising a plurality of layers, each layer comprising a cross-linked polymer network formed from a photosensitive polymer having a molecular weight greater than 2,000 Daltons, wherein the hydrogel matrix has a elastic modulus of from about 1 kilopascal to about 200 kilopascals;a first elongated void in the hydrogel matrix providing a first tubular channel;a second elongated void in the hydrogel matrix providing a second tubular channel;wherein the first tubular channel and the second tubular channel are perfusable;wherein the first tubular channel does not intersect the second tubular channel; andwherein the second tubular channel interpenetrates the first tubular channel.9. The composition of claim 8 , wherein ...

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Номер записи: 84
07-01-2016 дата публикации

HOLLOW-WALL HEAT SHIELD FOR FUEL INJECTOR COMPONENT

Номер: US20160003156A1
Автор: Hanson Russell B.
Принадлежит: UNITED TECHNOLOGIES CORPORATION

A fuel injector component () comprises a body (), an elongate void () and a plurality of bores (). The body () has a first surface () and a second surface (). The elongate void () is enclosed by the body () and is integrally formed between portions of the body () defining the first surface () and the second surface (). The plurality of bores () extends into the second surface to intersect the elongate void (). A process for making a fuel injector component () comprises building an injector component body () having a void () and a plurality of ports () connected to the void () using an additive manufacturing process that utilizes a powdered building material, and removing residual powdered building material from void through the plurality of ports (). 1. A fuel injector component comprising: a first surface; and', 'a second surface;, 'a body havingan elongate void enclosed by the body, the void being integrally formed between portions of the body defining the first surface and the second surface; anda bore extending into the second surface to intersect the elongate void.2. The fuel injector component of wherein the body includes a plurality of bores extending into the second surface to intersect the elongate void.3. The fuel injector component of wherein:the elongate void includes first and second distal ends; andthe plurality of bores are spaced from the first and second distal ends.4. The fuel injector component of wherein each of the plurality of bores extends transverse to the elongate void.5. The fuel injector component of wherein:the first surface is configured to engage a fuel flow;the second surface is configured to engage an air flow; andthe elongate void extends from the first distal end to the second distal end in a direction in which the air flow is configured to flow.6. The fuel injector component of wherein the elongate void produces dead-air space in the body that spaces portions of the first surface from portions of the second surface.7. The fuel ...

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Номер записи: 85
07-01-2016 дата публикации

ADDITIVE MANUFACTURED TUBE ASSEMBLY

Номер: US20160003157A1
Автор: Coffey Roger O., Dautova Lyutsia, Funk Stanley J., JR. John J., Moura Dennis M., Ott Joe, Rup, Stempinski Shawn
Принадлежит:

A tube assembly is additive manufactured as one unitary piece and has a first tube that co-extends with and is surrounded by a second tube. An annular void may be defined by and located between the first and second tubes for insulating a fluid flowing through the first tube. The void may be sealed and under a negative atmospheric pressure for enhancing insulating properties. 1. A tube assembly comprising:an additive manufactured first tube; andan additive manufactured second tube connected to the first tube and manufactured as one unitary piece.2. The tube assembly set forth in claim 1 , wherein the first tube is surrounded by and substantially co-extends with the second tube.3. The tube assembly set forth in claim 1 , wherein the first tube is substantially concentric to the second tube.4. The tube assembly set forth in further comprising:an additive manufactured third tube co-extending with the first tube and surrounded by the second tube with the second tube spaced radially outward from the first and third tubes.5. The tube assembly set forth in claim 4 , wherein the third tube is manufactured as one unitary piece to the first and second tubes.6. The tube assembly set forth in claim 2 , wherein the first and second tubes co-extend along a centerline having at least one bend.7. The tube assembly set forth in claim 2 , wherein a generally annular void is defined by and between the first and second tubes.8. The tube assembly set forth in claim 7 , wherein the void is sealed for thermally insulating the first tube.9. The tube assembly set forth in claim 8 , wherein the void is under a negative atmospheric pressure.10. The tube assembly set forth in further comprising:a pressure maintenance feature attached to the second tube for maintaining the negative atmospheric pressure in the void.11. The tube assembly set forth in further comprising:an additive manufactured support structure engaged between the first and second tubes.12. The tube assembly set forth in claim 11 ...

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Номер записи: 86
03-01-2019 дата публикации

Method for Manufacturing Body Substitutes by Additive Deposition

Номер: US20190002836A1
Автор: Dos Santos Morgan, MARQUETTE Christophe, POURCHET Léa, THEPOT Amélie
Принадлежит:

The invention relates to a method for manufacturing a bio-ink by additive deposition, which comprises supplying: a first solution including between 5 and 40 wt. % gelatin; a second solution including between 15 and 35 .wt. % alginate; a third solution including between 1 and 15 wt. % fibrinogen, and optionally living cells in suspension; and creating a mixture including: around 35 to 65 vol. % of the first solution; around 15 to 35 vol. % of the second solution; and around 15 to 35 vol. % of the third solution, said proportions being selected so that they add up to 100%. Said bio-ink allows the additive deposition of objects that can be polymerised by means of a solution including calcium ions and thrombin. Said objects can be incubated and can be used as a substitute for body tissue, for example (with added fibroblasts) as skin substitute. 118-. (canceled)19. A method of fabricating a bio-ink , the method comprising:providing a first aqueous solution containing between 6% and 30% by mass of gelatin and between 0% and 5% by mass of NaCl;providing a second aqueous solution containing between 1% and 8% by mass of alginate and between 0% and 5% by mass of NaCl;providing a third aqueous solution containing between 3% and 15% by mass of fibrinogen and living cells in suspension; andforming a mixture is containing, about 35% to 65% by volume of the first solution, about 15% to 35% by volume of the second solution, and about 15% to 35% by volume of the third solution, such that the proportions add up to 100%, the content of NaCl is chosen such that in a combination of said first solution and said second solution, it is between 0.4% and 2% by mass, and', 'said living cells are primary cells isolated from all human or animal tissue or organs., 'wherein20. The method of claim 19 , wherein said living cells are selected from a group formed from:stem cells (totipotent, pluripotent and tripotent) or differentiated (germ-line cells or somatic cells), primary cells isolated from ...

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Номер записи: 87
03-01-2019 дата публикации

Additive manufacturing material for powder lamination manufacturing

Номер: US20190003019A1
Автор: Hiroyuki Ibe, Junya Yamada
Принадлежит: Fujimi Inc

A material for shaping is provided, with which it is possible to more effectively shape a shaped article that has high density while containing a ceramic. The present invention provides a material for shaping in order for use in powder additive manufacturing. This material for shaping includes a first powder that is a granulated powder containing a ceramic, and a second powder containing a metal. The second powder constitutes 10-90% by mass (exclusive) of the total of the first powder and the second powder.

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Номер записи: 88
02-01-2020 дата публикации

FLUID COMPONENT BODY AND METHOD OF MAKING SAME

Номер: US20200003318A1
Автор: Glime, Houser Samuel Gunther, III William H., Keeper Branden W.
Принадлежит:

A method of fabricating a fluid component body includes forming a monolithic fluid component body including a valve segment having an annular upper perimeter wall portion defining a valve cavity and a lower base portion defining first and second flow ports, and a conduit segment extending from one of the first and second flow ports and including a conduit end portion defining a tubular portion extending in a first direction and spaced apart from a remainder of the fluid component body. The conduit end portion is bent from the first direct to a second direction. 1. A manifold body comprising:first and second valve segments each comprising an annular upper perimeter wall portion defining a valve cavity and a lower base portion defining first and second flow ports, wherein the upper perimeter wall of the second valve segment includes a portion that is fused with an adjacent portion of the upper perimeter wall of the second valve segment; anda conduit segment defining a fluid flow path including a first leg flow path portion defining a conduit end portion and a second leg flow path portion extending from the first leg flow path portion to one of the first and second flow ports of the first valve segment.2. The manifold body of claim 1 , wherein the conduit end portion defines a tubular portion spaced apart from a remainder of the manifold body.3. The manifold body of claim 1 , wherein the lower base portion of at least one of the first and second valve segments has an outer diameter that is smaller than an outer diameter of the corresponding upper perimeter wall portion.4. The manifold body of claim 1 , wherein the second leg flow path portion of the conduit segment is at least partially laterally aligned with the valve cavity of at least one of the first and second valve segments.5. The manifold body of claim 1 , further comprising at least one aperture mounting boss that is fused with an adjacent portion of the upper perimeter wall of one of the first and second valve ...

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Номер записи: 89
13-01-2022 дата публикации

FLOW DEVICE AND FLOW METHOD FOR AN ADDITIVE MANUFACTURING DEVICE AND AN ADDITIVE MANUFACTURING DEVICE WITH SUCH A FLOW DEVICE

Номер: US20220009001A1
Автор: Kerl Franz-Josef, Mehl Sebastian, Schilling Alexander
Принадлежит: EOS GMBH ELECTRO OPTICAL SYSTEMS

A flow device for an additive manufacturing device () for the production of a three-dimensional object () by layer-wise selective solidification of a building material in a build area () comprises: a process chamber (), a gas supply device for generating a gas stream in the additive manufacturing device (), at least one gas inlet () for introducing the gas stream into the process chamber () and at least one gas outlet () for directing the gas stream out of the process chamber (), and a gas supply line (), which is provided outside the process chamber (), in order to conduct gas to the at least one gas inlet (), the gas supply line () comprising at least a first line section () which adjoins the gas inlet () and which extends a length (L) along a first extension direction of the gas supply line (), the first extension direction being substantially straight, and wherein the first line section () extends a maximum value of a width (B) that extends transverse to the first extension direction and parallel to the build area (), and wherein the length (L) of the first line section () is at least as large as one half of the maximum value of the width (B) and wherein the first line section () further comprises a first subsection () that is arranged at a distance from the gas inlet () and which comprises at least a first flow conditioning unit () in addition to a wall of the first line section (), the first flow conditioning unit being designed to substantially align the gas stream in the first extension direction. 1. A flow device for an additive manufacturing device for the production of a three-dimensional object by layer-wise selective solidification of a building material in a build area , the flow device comprising:a process chamber,a gas supply device for generating a gas stream in the additive manufacturing device,at least one gas inlet for introducing the gas stream into the process chamber and at least one gas outlet for directing the gas stream out of the process ...

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Номер записи: 90
13-01-2022 дата публикации

METHODS OF ULTRASOUND ASSISTED 3D PRINTING AND WELDING

Номер: US20220009023A1
Автор: Han Qingyou
Принадлежит:

Methods of ultrasound assisted 3D printing and welding involve the use of an ultrasonic sonotrode placed in on top of the solidified layer in the vicinity of a melt pool. The sonotrode, pressed against the solidified materials at the edge of the melt pool, is synchronized with the heat source such that it travels side-by-side with the melt pool to transmit ultrasonic vibrations to the solidifying melt pool, reducing hot tearing and porosity formation, and to consolidate the solidified materials under the sonotrode. The methods of the present invention are capable of making a large variety of commercially important alloys 3D printable and weldable. 1. A method for forming high internal quality and high mechanical property 3D printing articles , comprising the step of:forming a melt pool by melting solid materials using a heat source conventionally used for 3D printing;placing the acoustic sonotrode of an ultrasonic vibration system in close vicinity of the melt pool for transmitting high-intensity ultrasonic vibration to the melt pool;applying a compressive thrust load on the sonotrode;synchronizing the sonotrode and the heat source such that the sonotrode and the melt pool travel side-by-side at a fixed distance between them; andapplying ultrasonic vibrations through the sonotrode to transmit the vibrations to the materials under or nearby the sonotrode, including the solidifying material in the melt pool.2. A method of claim 1 , wherein the melt pool is formed by melting solid materials claim 1 , consisting of metallic materials claim 1 , polymers claim 1 , or composite materials claim 1 , using a laser or an electron beam and wherein the solid materials are provided in the form of a wire using a wire feeding mechanism claim 1 , powders using a powder-feeding mechanism claim 1 , or powders in a powder bed.3. A method of claim 1 , wherein the ultrasonic vibration is applied either on the just solidified material close to the edge of the melt pool or partially on the ...

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Номер записи: 91
13-01-2022 дата публикации

INTEGRATED ADDITIVE MANUFACTURING AND LASER PROCESSING SYSTEMS AND METHODS FOR CERAMIC, GLASS, AND SILICON CARBIDE APPLICATIONS

Номер: US20220009124A1
Автор: Bordia Rajendra, Brinkman Kyle S., Hong Yuzhe, HUANG HUA, Lei Jincheng, Mu Shenglong, Peng Fei, Tong Jianhua, Xiao Hai
Принадлежит:

A method for fabricating a protonic ceramic energy device includes: coating an electrolyte layer on an anode layer; and densifying the electrolyte layer by a rapid laser reactive sintering (RLRS) process on the electrolyte layer and/or the anode layer to form a half-cell comprising a dense electrolyte and a porous anode. 120-. (canceled)21. A method for fabricating a protonic ceramic energy device , the method comprising:coating an electrolyte layer on an anode layer; anddensifying the electrolyte layer by a rapid laser reactive sintering (RLRS) process on the electrolyte layer and/or the anode layer to form a half-cell comprising a dense electrolyte and a porous anode.22. The method of further comprising depositing a cathode layer on the electrolyte layer or the dense electrolyte.23. The method of further comprising treating the half-cell and cathode layer in a furnace to form a single cell comprising the dense electrolyte claim 22 , the porous anode claim 22 , and a porous cathode.24. The method of wherein the RLRS process comprises a one-step tri-sintering of the anode layer claim 22 , the electrolyte layer claim 22 , and the cathode layer to form a single cell.25. The method of wherein the RLRS process comprises a one-step co-sintering of the anode layer and the electrolyte layer.26. The method of wherein the RLRS process is carried out using a COlaser.27. The method of further comprising preheating the anode layer and the electrolyte layer before the RLRS process.28. The method of wherein the porous anode comprises a nanoporous anode.29. The method of wherein the anode layer comprises a pre-sintered anode.30. The method of wherein the RLRS process allows for the rapid manufacturing of the protonic ceramic half-cell with desired crystal structure claim 21 , microstructure claim 21 , and thickness.31. A method for manufacturing at least one component for a protonic ceramic energy device claim 21 , the method comprising:depositing a precursor on a build surface; ...

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Номер записи: 92
13-01-2022 дата публикации

Post-processing 3D Printing Components

Номер: US20220009164A1
Автор: Capon Elisabet, Cortinovis Andrea, Jacimovic Jacim, LYMPEROPOULOS Ioannis, Marano Stefano
Принадлежит:

A system and method are described for post-processing 3D printed components. Post-processing may include removing support structures for the 3D printed components and may also include other processes like assembling 3D printed components into finished products. In the system and method, post-processing strategies are iteratively generated and performed on 3D printed components. Performance metrics of the post-processing strategies are compared with a user-defined performance indicator in a learning process to improve the post-processing strategy over a number of 3D printed components. 1. A method of post-processing a plurality of 3D printed components , comprising:reading a user-defined performance indicator from one or more computer memories, the user-defined performance indicator comprising a performance of post-processing the plurality of 3D printed components into finished or partially finished components;reading a list of available post-processing tools from the one or more computer memories, each of the available post-processing tools comprising different processing capabilities;generating a first post-processing strategy in one or more computer processors using the user-defined performance indicator and the list of available post-processing tools, the first post-processing strategy comprising computer instructions for operating a first subset of the post-processing tools;printing a first 3D printed component with one or more 3D printers;post-processing the first 3D printed component using the first post-processing strategy and the first subset of the post-processing tools;determining a first performance metric with one or more sensors corresponding to the user-defined performance indicator in response to the post-processing of the first 3D printed component;generating a second post-processing strategy in the one or more computer processors using the user-defined performance indicator, the first performance metric and the list of available post-processing ...

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Номер записи: 93
13-01-2022 дата публикации

WORKPIECE SUPPORT SYSTEM

Номер: US20220009166A1
Автор: DIEHR Andreas
Принадлежит: BigRep GmbH

A workpiece support system for an additive manufacturing device comprises a workpiece support and a motion system, wherein the workpiece support being connected to the motion system such that it can be detached tool-fee. 1. A workpiece support system for an additive manufacturing device comprising: a workpiece support and a motion system , wherein the workpiece support is connected with the motion system and the connection is tool-free releasable.2. The workpiece support system according to claim 1 , wherein the motion system comprises a telescopic system.3. The workpiece support system according to claim 1 , wherein the motion system moves the workpiece support from a processing position into a travel position.4. The workpiece support system according to claim 1 , wherein the workpiece support is held by form fit to the motion system and/or in a processing position.5. The workpiece support system according to claim 4 , wherein the workpiece support is held by gravity to the motion system and/or in a processing position.6. The workpiece support system according to claim 1 , wherein the workpiece support further comprises a heating.7. The workpiece support system according to claim 1 , wherein the workpiece support is held at multiple points to the motion system and/or in a processing position claim 1 , and wherein only one of said point is a connection free of play.8. The workpiece support system according to claim 1 , further comprising an electrical connection between the workpiece support and the motion system.9. The workpiece support system according to claim 1 , wherein the workpiece support further comprises an identification unit.10. The workpiece support system according to claim 1 , wherein the workpiece support further comprises reception points.11. An additive manufacturing device comprising a workpiece support system according to and a door claim 1 , wherein the motion system can move the workpiece support through the opened door from the inside space of ...

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Номер записи: 94
13-01-2022 дата публикации

ATTACHMENTS FOR OPTICAL SHAPING APPARATUS

Номер: US20220009168A1
Автор: NIREI Shunsuke, OSHIMA Eiji
Принадлежит:

The present invention provides an attachment for stereolithography apparatus enabling manufacturing of patterns of various sizes. The attachment for stereolithography apparatus includes: a base portion detachable to a manufacturing table of a stereolithography apparatus; placement platform pillars through provided on the base portion ; and a sheet placement platform supported by the placement platform pillars through . The base portion has a first opening configured to allow the light beam from the optical scanning section to pass through, and the sheet placement platform has a second opening configured to allow the light beam from the optical scanning section to pass through. The placement platform pillars through support the sheet placement platform in a position causing a distance from the optical scanning section of the stereolithography apparatus to the sheet placement platform to be longer than a distance from the optical scanning section to the manufacturing table. 1. An attachment for stereolithography apparatus , being fixed in a position away from a manufacturing table and detachable to a stereolithography apparatus to form a pattern by irradiating a pattern forming sheet with a light beam emitted from an optical scanning section facing the pattern forming sheet across the manufacturing table , the attachment for stereolithography apparatus comprising:a base portion detachable to the manufacturing table;a support mechanism provided on the base portion; anda sheet placement platform supported by the support mechanism, whereinthe base portion has a first opening configured to allow the light beam from the optical scanning section to pass through,the sheet placement platform has a second opening configured to allow the light beam from the optical scanning section to pass through, andthe support mechanism supports the sheet placement platform in a position causing a distance from the optical scanning section to the sheet placement platform to be longer than a ...

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Номер записи: 95
02-01-2020 дата публикации

METHOD FOR IN-SITU MARKERS FOR THERMAL MECHANICAL STRUCTURAL HEALTH MONITORING

Номер: US20200003639A1
Автор: Butcher Evan J., Dautova Lyutsia, Hebert Rainer J., JR. Wendell V., Ott Joe, Schirtzinger Gary A., Twelves
Принадлежит:

A method of monitoring the residual stress in surface and near surface regions of a component includes identifying predetermined locations on the surface of a component that are expected to experience high stress during normal operating conditions of the component. Marker particles are introduced into the component during additive manufacture of the component at the predetermined locations. Then, the residual stress of the component is measured at a location corresponding with the marker material using x-ray techniques. 1. A component of a base alloy , formed by additive manufacturing , that is subjected to stress during operation , the component comprising a marker of a marker material different than the base alloy inserted in surface and near surface regions of the component at a predetermined location to allow residual stress measurements to be made on the component at the marker.2. The component of claim 1 , wherein the pre-determined location comprises a region expected to undergo stress during normal operating conditions of the component.3. The component of wherein the residual stress measurements are x-ray diffraction measurements.4. The component of wherein the x-ray diffraction measurements are used to determine residual strain in the marker material by measuring lattice interplanar spacing of the marker material.5. The component of wherein the x-ray diffraction measurements are performed with an x-ray diffractometer.6. The component of wherein the X-ray diffraction measurements use beam sizes of about 1 mm to 2 mm.7. The component of wherein additive manufacturing comprises direct metal deposition claim 1 , direct laser melting or direct laser deposition.8. The component of wherein the marker material is insoluble in the base alloy claim 1 , does not form a second phase with the base alloy and otherwise does not react with the base alloy.9. The component of wherein the base alloy comprises titanium alloy and the marker material comprises cerium. This ...

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Номер записи: 96
05-01-2017 дата публикации

SLICE IMAGE CREATION DEVICE AND THREE-DIMENSIONAL PRINTING SYSTEM

Номер: US20170004227A1
Автор: YOSHIDA Makoto
Принадлежит:

In a slice image creation device, a topology construction processor constructs a topology to create a topology list of a target object model. A division determination processor determines whether or not there is a ridgeline or an apex at which the target object model is divisible in correspondence with topology groups. A division processor, in a case that, for example, there is a ridgeline that is in contact with 4 planes, divides the target object model into at least a first divided object model and a second divided object model along the ridgeline that is in contact with 4 planes. A slice image creation processor creates a first divided slice image and a second divided slice image respectively corresponding to the first divided object model and the second divided object model. A synthesis processor synthesizes the first divided slice image and the second divided slice image to create a target slice image. 1. A slice image creation device usable for a three-dimensional printing device that prints a target object as a printing target , the slice image creation device creating a target slice image usable to print the target object , the slice image creation device comprising:a storage processor configured or programmed to store a target object model as a three-dimensional model corresponding to the target object;a topology construction processor configured or programmed to find an adjacency relationship of apexes, ridgelines and planes defining the target object model to create a topology list indicating the adjacency relationship;a division determination processor configured or programmed to determine, from the topology list, whether or not there is a ridgeline, among the ridgelines of the target object model, that is in contact with 4 planes;a division processor configured or programmed to, in a case that the division determination processor determines that there is a ridgeline that is in contact with 4 planes, divide the target object model into at least a first ...

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Номер записи: 97
03-01-2019 дата публикации

SYSTEMS AND METHOD FOR ADVANCED ADDITIVE MANUFACTURING

Номер: US20190004079A1
Автор: Blom Rogier Sebastiaan, Freer John, JR. Harry Kirk, Mathews, Robinson Dean Michael, Roychowdhury Subhrajit
Принадлежит:

A manufacturing computer device for dynamically adapting additive manufacturing of a part is provided. The manufacturing computer device includes at least one processor in communication with at least one memory device. The at least one memory device stores a build file for building the part including a plurality of geometries that each include one or more values of a first build parameter. The processor is programmed to receive sensor information of a build of the part by a machine, compare the sensor information for each geometry of the plurality of geometries to the corresponding one or more values of the first build parameter, determine one or more values for a second build parameter for each of the geometries based on the one or more differences, and generate an updated build file for the part including the one or more values for the second build parameter. 1. A manufacturing computer device for dynamically adapting additive manufacturing of a part , said manufacturing computer device comprising at least one processor in communication with at least one memory device , said at least one memory device stores a build file for building the part including a plurality of geometries that each include one or more values of a first build parameter , said manufacturing computer device configured to:receive sensor information of a build of the part by a machine using the build file;compare the sensor information for each geometry of the plurality of geometries to the corresponding one or more values of the first build parameter to determine one or more differences;determine one or more values for a second build parameter for each of the geometries based on the one or more differences; andgenerate an updated build file for the part including the one or more values for the second build parameter.2. The manufacturing computer device in accordance with claim 1 , wherein said manufacturing computer device is further configured to:receive subsequent sensor information from a ...

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Номер записи: 98
07-01-2016 дата публикации

INSTRUMENTATION TRANSFER STRUT

Номер: US20160006226A1
Автор: Greenberg Michael D., Jr. Stephen N., Koren, Moisei Dorel M.
Принадлежит: UNITED TECHNOLOGIES CORPORATION

A monolithic lead separator includes a primary lead tube defining a primary channel, a plurality of secondary lead tubes formed monolithically with the primary lead tube, and an instrumentation lead splitter. A cap is positioned in an aperture in the instrumentation lead splitter in a fluid-tight manner. Each of the secondary channels intersects the primary channel. The instrumentation lead splitter is situated at the intersection of the primary channel and the secondary channels. 1. An instrumentation lead separator comprising:a monolithic primary lead tube defining a primary channel;a plurality of secondary lead tubes formed monolithically with the primary lead tube and defining a plurality of secondary channels, each of the secondary channels intersecting the primary channel;an instrumentation lead splitter comprising an aperture situated at the intersection of the primary channel and the secondary channels; anda cap positioned in the aperture in a fluid-tight manner.2. The instrumentation lead separator of claim 1 , and further comprising a plurality of leads claim 1 , each of the leads passing through the primary passage claim 1 , and a portion of the plurality of leads passing through each of the plurality of secondary passages.3. The instrumentation lead separator of claim 2 , wherein the plurality of leads include tubes and wires.4. The instrumentation lead separator of claim 1 , wherein the primary tube channel and the secondary tube channels are substantially smooth to avoid damaging leads passing therethrough.5. The instrumentation lead separator of claim 4 , wherein the intersection between the primary tube channel and the secondary tube channels is also substantially smooth to avoid damaging leads passing therethrough.6. The instrumentation lead separator of claim 1 , and further comprising an airfoil portion surrounding and joined to the primary lead tube.7. The instrumentation lead separator of claim 6 , and further comprising at least one oil tube ...

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Номер записи: 99
20-01-2022 дата публикации

Method for Modeling Humeral Anatomy and Optimization of Component Design

Номер: US20220015915A1
Автор: Sperling John W.
Принадлежит:

Stemless components and fracture stems for joint arthroplasty, such as shoulder arthroplasty, are disclosed. Also, methods and devices are disclosed for the optimization of shoulder arthroplasty component design through the use of medical imaging data, such as computed tomography scan data. 1. A prosthesis comprising:a central body having a longitudinal axis normal to a reference plane that extends through the central body;at least five fins extending laterally from an outer surface of the central body, the at least five fins being spaced apart around the outer surface of the central body,wherein spacing of the at least five fins is asymmetric in the reference plane.2. The prosthesis of claim 1 , wherein the at least five fins do not create bilateral symmetry of the at least five fins with respect to a longitudinal plane containing the longitudinal axis due to the spacing in the reference plane of the at least five fins.3. The prosthesis of claim 1 , further comprising a sixth fin to form at least six fins extending laterally from the outer surface of the central body claim 1 , the at least six fins being spaced apart around the outer surface of the central body claim 1 , andwherein spacing of the at least six fins is asymmetric in the reference plane.4. The prosthesis of claim 1 , wherein the central body has a first opening and a second opening claim 1 , the first opening corresponding to a proximal side of the central body and the second opening corresponding to a distal side of the central body.5. The prosthesis of claim 1 , wherein at least one of the at least five fins has an inner perimeter and an outer perimeter claim 1 , the inner perimeter and the central body defining at least one window claim 1 , at least one of the at least five fins having the at least one window includes one or more throughholes in a wall defined by the inner perimeter and the outer perimeter of the at least one of the at least five fins having the at least one window.6. The ...

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Номер записи: 100