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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

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 6. Отображено 6.
09-05-2012 дата публикации

Tyre casting method and casting die

Номер: CN0101837432B
Автор: YOUCHENG LIU, JIAN TAN, JIANHUA WEN, CHIZHONG XIE, BIN YANG, LIU YOUCHENG, TAN JIAN, WEN JIANHUA, XIE CHIZHONG, YANG BIN
Принадлежит:

The invention discloses a tyre casting method, comprising a toroidal flute cast (1), a bottom casting runner system, a feeder head (3) and a feeder head point casting runner system, wherein, the toroidal flute cast (1) comprises a toroidal inner wall (11), a toroidal outer wall (12) and a toroidal bottom mat (13) which are all composed of a plurality of blocks with different quantities; the bottom casting runner system comprises a bottom casting cross runner (21), a bottom casting ingate (22) and a bottom casting sprue (23). The invention discloses a method for casting a tyre by utilizing a tyre casting cold die. The method has high process yield, and the tyre casting produced by the method has no shrinkage porosity, shrinkage cavity and crack defects.

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Номер записи: 1
22-06-2011 дата публикации

Large arc casting calibrating method

Номер: CN0102102140A
Автор: CHIZHONG XIE, YOUCHENG LIU, WENJUN LIU, ZHEN LIU, CAN WANG, XIE CHIZHONG, LIU YOUCHENG, LIU WENJUN, LIU ZHEN, WANG CAN
Принадлежит:

The invention discloses a large arc casting calibrating method, which comprises the following process steps: 1, measuring the size of the opening of a large arc casting (1); 2, cutting the tie bar (11) of the large arc casting (1) to form a gap (12); 3, heating the entire large arc casting (1) to 500 to 550 DEG C in a furnace, keeping temperature for 8 to 8.5 hours and removing the large arc casting (1) out of the furnace; 4, performing local cooling on an inner side area (13) or an outer side area (14); and 5, when the size of the opening of the large arc casting (1) reaches a design size ofthe opening, fully filling the gap (12) in the tie bar (11) with a weldable material, and firmly welding quickly; and performing distressing and annealing treatment. The method has high calibration precision, adopts simple process steps, requires low process equipment conditions and requires low energy consumption. The method is particularly suitable for calibrating semicircle gears of rotary cement ...

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Номер записи: 2
22-09-2010 дата публикации

Tyre casting method and casting die

Номер: CN0101837432A
Автор: YOUCHENG LIU, JIAN TAN, JIANHUA WEN, CHIZHONG XIE, BIN YANG, LIU YOUCHENG, TAN JIAN, WEN JIANHUA, XIE CHIZHONG, YANG BIN
Принадлежит:

The invention discloses a tyre casting method, comprising a toroidal flute cast (1), a bottom casting runner system, a feeder head (3) and a feeder head point casting runner system, wherein, the toroidal flute cast (1) comprises a toroidal inner wall (11), a toroidal outer wall (12) and a toroidal bottom mat (13) which are all composed of a plurality of blocks with different quantities; the bottom casting runner system comprises a bottom casting cross runner (21), a bottom casting ingate (22) and a bottom casting sprue (23). The invention discloses a method for casting a tyre by utilizing a tyre casting cold die. The method has high process yield, and the tyre casting produced by the method has no shrinkage porosity, shrinkage cavity and crack defects.

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Номер записи: 3
22-06-2011 дата публикации

Preparation method of metal cutting gas for natural gas

Номер: CN0102102042A
Автор: YAN KESHENG, XIE CHIZHONG, ZHOU JIANLIANG, YAN FEI, KESHENG YAN, CHIZHONG XIE, JIANLIANG ZHOU, FEI YAN
Принадлежит:

The invention provides a preparation method of metal cutting gas for natural gas. A chemical additive is developed according to the property of natural gas, wherein the additive has special functions, such as catalysis, oxidation, polymerization inhibition, combustion-supporting and the like on natural gas; and when the additive is added into gas-phase or liquid-phase natural gas, the flame frequency of natural gas in the combustion state can be changed, the combustion temperature of natural gas is raised, and more heat energy released by natural gas can be micronized. The additive consists of a plurality of light hydrocarbon chemical raw materials such as acetone, ethenone, glycol and the like, does not contain potassium permanganate, hydrogen peroxide and the like, is harmless to human bodies, is non-corrosive for relevant equipment, is free from the problems of crystallization, blockage and the like, and is fully accordant with the national provisions and requirements on metal welding ...

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Номер записи: 4
28-09-2011 дата публикации

Method for casting vertical lathe ram and casting die

Номер: CN0102198490A
Автор: CHIZHONG XIE, YOUCHENG LIU, JIANHUA WEN, BIN YANG, HUIMIN WANG, XIE CHIZHONG, LIU YOUCHENG, WEN JIANHUA, YANG BIN, WANG HUIMIN
Принадлежит:

The invention discloses a method for casting a vertical lathe ram and a casting die. The casting die comprises a ram exterior lower sand die (1), a ram exterior upper sand die (2), a ram core type die (3) and a pouring system; the ram exterior upper sand die (2) is installed above the ram exterior lower sand die (1); a cavity of which the appearance is in consistence with the appearance of the vertical lathe ram to be cast is formed between the ram exterior upper sand die (2) and the ram exterior lower sand die (1); a raiser cavity (22) is formed outside the ram exterior upper sand die (2); the ram core type die (3) is arranged in the cavity formed by the ram exterior lower sand die (1) and the ram exterior upper sand die (2); and the pouring system is a pouring pipeline system and is connected between a ram external lower cavity (11) of the ram exterior lower sand die (1) and the outside. The casting method comprises the following steps of: producing die samples and die boxes, producing ...

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Номер записи: 5
22-06-2011 дата публикации

As-cast high-toughness ferrite nodular iron and production method thereof

Номер: CN0102102136A
Автор: CHIZHONG XIE, HONGXING DU, ZHI LING, JIA LUO, QIANGGUO FAN, XIE CHIZHONG, DU HONGXING, LING ZHI, LUO JIA, FAN QIANGGUO
Принадлежит:

The invention discloses as-cast high-toughness ferrite nodular iron, which comprises the following components: 3.75 to 3.85 mass percent of C, 1.8 to 2.2 mass percent of Si, 0.08 to 0.3 mass percent of Mn, less than 0.03 mass percent of P, less than 0.015 mass percent of S, 0.015 to 0.035 mass percent of RE, 0.04 to 0.06 mass percent of Mg and the balance of iron and inevitable micro impurities. The as-cast high-toughness ferrite nodular iron has high toughness, high ferrite content, high spheroidization and high low-temperature performance and is particularly suitable for making wind and power castings. The invention also discloses a production method of the nodular iron, which comprises the following steps: smelting pig iron, waste steel and graphite carburetant; and adding a nodulizer,a pretreating agent and an inoculant for before-furnace treatment. The product cost is low and the production period is short.

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Номер записи: 6