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Device and method for depositing modified coating on surface of precision ball

A technology for modifying coating and ball surface, applied in coating, metal material coating process, ion implantation plating, etc., can solve the surface damage of precision ball, cannot guarantee the surface accuracy requirements of ceramic ball, and it is difficult to ensure modification Coating uniformity and other problems, to achieve the effect of improving service life, uniform coating deposition effect, and ensuring dimensional accuracy

Inactive Publication Date: 2016-02-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. The physical bonding method cannot guarantee the accuracy requirements of the ceramic ball surface;
[0007] 2. The physical transfer method will cause surface damage to the surface of the precision ball, and it is only suitable for specific coating materials;
[0008] 3. It is difficult to ensure the uniformity of the modified coating prepared on the surface of the ball

Method used

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  • Device and method for depositing modified coating on surface of precision ball
  • Device and method for depositing modified coating on surface of precision ball
  • Device and method for depositing modified coating on surface of precision ball

Examples

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specific Embodiment approach 1

[0026] Specific implementation mode one: combine figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 This embodiment is described. This embodiment includes a rotating base 1, a chassis 2, a middle cage 3, an upper cage 4, a fixed shaft 9, a fixed central bushing 10, and a plurality of drive balls 8. The upper cage 4, the middle Both the cage 3 and the chassis 2 are discs, the rotating base 1 is a rotating table of the ion implantation deposition equipment, the chassis 2 is set on the rotating base 1, and the fixed central sleeve 10 is located at the center of the rotating base 1 position, the upper cage 4 and the middle cage 3 are sequentially set on the fixed shaft 9 from top to bottom, and the lower end of the fixed shaft 9 passes through the chassis 2 and is arranged in the fixed central bushing 10, and the bottom of the chassis 2 At least one set of three-phase passages are sequentially processed from inside to outside on the disk surfac...

specific Embodiment approach 2

[0029] Specific implementation mode two: combination figure 2 , Figure 6 and Figure 7 This embodiment is described. In this embodiment, a plurality of positioning holes 6 are evenly arranged along the circumferential direction of the middle cage 3 , and the plurality of precision ball passing holes 7 are evenly arranged along the circumferential direction of the upper cage 4 . In this embodiment, three driving balls 8 form a group and are arranged in one positioning hole 6. The way that a plurality of positioning holes 6 are evenly distributed makes each group of driving balls independent of each other, and a plurality of precision balls pass through the holes 7 evenly. The way of cloth makes mutual influence between a plurality of precision balls 11. Each group of driving balls independently completes the effect of driving the precision ball 11 on it to rotate. Other unmentioned structures and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0030] Specific implementation mode three: combination figure 1 , image 3 , Figure 4 and Figure 5 Describe this embodiment, the groove 5 in this embodiment is a V-shaped groove or an arc-shaped groove. Other unmentioned structures and connections are the same as those in the first or second embodiment.

[0031] Specific implementation mode four: combination figure 1This embodiment will be described. In this embodiment, the fixed shaft 9 and the fixed central sleeve 10 are screwed together. Such a setting shows a stable connection effect in the sample test. Other unmentioned structures and connections are the same as those in the third embodiment.

[0032] Specific implementation mode five: combination figure 1 and figure 2 This embodiment will be described. In this embodiment, the upper cage 4 and the middle cage 3 are fixedly connected to the fixed shaft 9 sequentially from top to bottom. Such setting effectively fixes the positions of the upper cage 4 and the mi...

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Abstract

The invention relates to a device and method for depositing a modified coating on the surface of a ball, in particular to a device and method for depositing a modified coating on the surface of a precision ball. In the preparation technology of depositing the modified coating on the surface of the ball, a method of controlling a ball body to do intermittent random rotation is a main method for achieving the integrity of the coating deposited on the surface of the ball, the evenness of the coating deposited on the surface of the ball doing intermittent random rotation has certain deviation, and consequently the requirement for the precision of ultra-precision ball elements cannot be met. At least one set of three-phase channel is machined on the surface of a bottom disc in sequence from inside to outside in the radial direction of the bottom disc. The disc face of a middle-layer holder is sequentially provided with at least one limiting ring. Each limiting ring comprises a plurality of locating holes. Each locating hole is formed by three equal-size round holes in the manner that every two round holes are tangent. A drive ball is arranged in each round hole. Each through hole combination comprises a plurality of precision ball penetrating holes, and the precision ball penetrating holes in the through hole combinations and the locating holes are formed in a vertical one-to-one correspondence manner. The device and method are used for the process of depositing the modified coating on the surface of a precision ball element.

Description

technical field [0001] The invention relates to a device and method for depositing a modified coating on the surface of a precision ball, belonging to the field of surface engineering. Background technique [0002] Precision balls are important components in bearings, roundness meters, gyroscopes and precision measuring instruments. In order to improve their corrosion resistance and anti-friction and anti-wear properties, modified coatings are usually prepared on the surface of precision balls. At present, the preparation technologies of precision ball surface modification coatings mainly include physical bonding methods, physical transfer film formation methods, ion implantation and deposition methods, and so on. [0003] The physical transfer film forming technology is to make the coating material into powder or mass block, which will be mechanically squeezed and rubbed with the precision ball, so that the coating material will be transferred to the surface of the precisio...

Claims

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Application Information

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IPC IPC(8): C23C14/48C23C14/50
CPCC23C14/48C23C14/505
Inventor 古乐张传伟唐光泽郑德志王黎钦
Owner HARBIN INST OF TECH
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