改善滚珠自动平衡系统滚珠平衡位置的方法

A method for improving the balance position of the balls in an automatic ball balancing system used for optical disc drive, which has a rotor mechanism consisting of mainshaft motor, a rotor with ring slot, and balls in said ring slot, features that said ring slot has a surface with low friction coefficient and the rotation speed at which rotor is stable and the system phase angle of ball when rotor is stable are changed for higher balancing effect.

Distortion light spot correction method suitable for high-reflection element three-dimensional shape measurement

The invention relates to the technical field of precision optical detection engineering, in particular to a distorted light spot correction method applicable to three-dimensional shape measurement of a high-reflection element, which is characterized by comprising the following steps of: scanning a metal cylindrical element by using a complex beam angle sensor and acquiring a multi-light spot image data set; due to the fact that nonlinear distortion of a multi-light-spot image can be caused by factors such as the high reflection characteristic and roughness of element metal materials, the precision of three-dimensional shape reconstruction is affected, and therefore a distorted light spot correction network is designed to correct the image to obtain an ideal light spot image. The center coordinates of the light spots in the image are accurately extracted through the Hough circle detection algorithm, the processed image is segmented, a plurality of sub-light-spot images are extracted, sub-pixel-level ...

Wafer substrate laser lift-off method and system

The invention relates to a wafer substrate laser lift-off method and system. The method comprises the following steps that S1, a product is placed on a carrying table of the laser lift-off system; s2, drawing a preset processing track at a client, and performing segmentation processing on the preset processing track; s3, corresponding machining process parameters are set for each segment of the preset machining track after segmentation; and S4, starting a laser lift-off system, and executing a laser lift-off action. According to the wafer substrate laser lift-off method and the wafer substrate laser lift-off system, in the process of separating the substrate from the gallium nitride chip, the preset processing track is segmented, the matched processing technological parameters are set for each segment of the segmented preset processing track, the segmented preset processing track is combined with the matched parameters, and the processing efficiency of the wafer substrate is improved. The ...

ACR auxiliary agent spray granulation manufacturing equipment and method

The invention provides ACR auxiliary agent spray granulation manufacturing equipment and method. The ACR auxiliary agent spray granulation manufacturing equipment comprises a supporting table and a material collecting box; four groups of stand columns are fixedly arranged at the top of the supporting table, and a granulation barrel is fixedly arranged among the top ends of the four groups of stand columns; a material receiving box is arranged under the granulation barrel, and a discharging mechanism is arranged on the outer side of the bottom of the granulation barrel; a material preparation device is arranged at the top of the supporting table, and a mixing mechanism is arranged on the inner side of the material preparation device; an air inlet device is fixedly arranged at the top of the supporting table, an auxiliary mechanism is rotationally arranged on the outer side of the air inlet device, and by arranging the material preparation device, the mixing mechanism and the discharging ...

光驱光读写头工作取角的方法

The present invention is a method for determining an operating angle of an optical reading and writing head of an optical driver, which is used in a jitter checking device comprising a fixture for simulating and adjusting the tilt angle of the optical reading and writing head and a jittering instrument for measuring the jitter value of the optical reading and writing head at the different tilt angles. In this method, the measured points are reduced to five by means of the empirical formula, and as the basis for adjusting the operating tilt angle of the optical reading and writing head, the minimum jitter value and the optimum tilt angle of the optical reading and writing head can be calculated rapidly without the necessity of performing the zero adjustment of the radial and tangential tilt angles respectively.

光学校准机自动测量方法

The invention relates to an automatic measurement method for the optical adjusting machine characterized by that, after the picture of the measured object is taken by the charge coupling assembly module, the program will automatically determine whether there is any reflection bright point on the photographed picture by the charge coupling assembly module and perform automatic measurement, thus avoiding the misoperation and negligence of the user.

Laser welding device and wafer repairing equipment

The invention belongs to the technical field, and discloses a laser welding device and wafer repair equipment, the laser welding device comprises a laser emitter, the laser emitter is configured to emit a laser beam to a substrate, the cross section of the laser beam is annular, and the laser beam is arranged on the substrate; the inner ring of the cross section of the position, flush with the first surface of the workpiece, of the laser beam surrounds the periphery of the first surface, and the first surface is the surface of the side, away from the substrate, of the workpiece. The laser emitter emits the annular laser beam to prevent the laser from directly acting on the DBR coating on the surface of the chip, so that the heating efficiency of the laser is effectively ensured, and the situation that the welding supplement can be heated and melted only by increasing the laser power is avoided; therefore, the chip and the substrate are prevented from being damaged while the welding supplement ...

PVC foaming regulator melt strength performance detection equipment

The invention discloses a PVC foaming regulator melt strength performance detection device, and relates to the technical field of melt strength detection, the output end of a motor is connected with a pull detection member connected with a tension sensor, and the inner side of a detection bin is provided with a synchronous locking assembly connected with the pull detection member. According to the invention, by arranging the pulling detection piece and the synchronous locking assembly, when a melt bundle between the first clamping frame and the second clamping frame is broken, the control panel records the maximum pulling force borne by the connecting pull rod, and at the moment, the second clamping frame can drive the first clamping frame to move when moving, so that the breakage of the melt bundle between the first clamping frame and the second clamping frame is avoided. The first clamping frame is arranged on the mounting plate, so that the melt bundle between the first clamping frame ...

Shape of a hoof bicycle license plate lock

The utility model provides a shape of a hoof bicycle license plate lock, belongs to bicycle lock class. Can not satisfy users at large to the demand from driving safety to present bicycle lock utensil betterly, the utility model discloses a be applicable to the shape of a hoof bicycle license plate lock structure of standardized management. This license plate lock is mainly by having the bar code and being carved with the tapered end part that the tapered end frame of the partial number -plate number, the U type drop form key that is carved with the partial number -plate number, the slider lock core etc. That has a pick -proof cord tissue are constituteed to and shape of a hoof lock body part is constituteed. Wherein, the key accessible of this license plate lock pushes away the mode of inserting and unblanks, mends the full bicycle number -plate number simultaneously, and has the bar code that contains bicycle information on it. The utility model discloses the tool to lock structure is ...

Foaming regulator dust absorption device

The invention relates to the technical field of filtration, in particular to a foaming regulator dust absorption device which comprises an air inlet barrel, a filter barrel, a filter mechanism and a damping mechanism, the air inlet barrel and the filter barrel are horizontally arranged, and the filter barrel is rotationally connected with the air inlet barrel; an air inlet is formed in the air inlet barrel, and a partition plate is arranged in the filter barrel to divide the interior of the filter barrel into a left cavity and a right cavity; the two filtering mechanisms are arranged in two cavities in the filtering cylinder respectively, each filtering mechanism comprises a first filtering plate, a second filtering plate, a sliding shaft, a triggering assembly and an adjusting assembly, when one sliding shaft moves, the damping mechanism enables the other sliding shaft to move along with the sliding shaft, and then the gravity center in the filtering cylinder shifts; and the filter cartridge ...

Automatic measuring method of optical regulator