Variable camber groove grinding-based high-precision ceramic ball machining equipment

A technology of processing equipment and variable curvature, which is applied in the direction of metal processing equipment, grinding devices, grinding machine tools, etc., can solve the problems of low processing precision and efficiency required by the device, and achieve the effect of good grinding size selectivity and simple structure

Inactive Publication Date: 2014-02-12
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the inability of the existing high-precision ceramic ball processing to take into account the low requirements on the device and the lack of processing accuracy and efficiency, the present invention provides a device that can not only achieve higher processing accuracy and processing efficiency, but also have lower requirements on the device. High precision ceramic ball processing equipment based on variable curvature groove grinding

Method used

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  • Variable camber groove grinding-based high-precision ceramic ball machining equipment
  • Variable camber groove grinding-based high-precision ceramic ball machining equipment
  • Variable camber groove grinding-based high-precision ceramic ball machining equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] refer to figure 2 and image 3 , a high-precision ceramic ball processing equipment based on variable curvature groove grinding, the variable curvature groove is a helical V-shaped groove, including an upper grinding disc 4, a lower grinding disc 1, a workpiece circulation system 2 and a loading system 3, The upper grinding disc 4 is connected with the loading system 3; the lower grinding disc 1 is provided with a helical V-shaped groove, the entrance of the helical V-shaped groove is connected with the outlet of the workpiece circulation system 2, and the entrance of the workpiece circulation system 2 Connected to the outlet of the helical V-shaped groove, the entrance of the helical V-shaped groove is located at the center of the lower grinding disc; A processing contact point, the ceramic ball blank 5 to be processed moves in the helical V-shaped groove, and its rotation angle also changes accordingly, realizing the "relative orientation" grinding movement.

[002...

Embodiment 2

[0031] refer to Figure 4 , in this embodiment, the v-shaped groove of the lower grinding disc adopts image 3 The variable pitch helix shown. The remaining structures and implementation modes of this embodiment are the same as those of Embodiment 1.

Embodiment 3

[0033] In this embodiment, the V-shaped groove of the lower grinding disc adopts an involute groove. Of course, other variable curvature grooves can also be used

[0034] Other structures and implementations of this embodiment are the same as those of Embodiment 1.

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PUM

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Abstract

Variable camber groove grinding-based high-precision ceramic ball machining equipment comprises a loading system, an upper grinding disc and a lower grinding disc; the upper and lower grinding discs are respectively connected with a driving device; the loading device is positioned on the upper grinding disc; a variable camber groove is formed in the lower grinding disc; the groove structure and the other grinding disc jointly form three machining contact points for grinding a ball blank to be machined; the equipment also comprises a workpiece circulation system; the inlet of the variable camber groove is connected with the outlet of the workpiece circulation system of which the inlet is connected with the outlet of the variable camber grove; the inlet of the variable camber groove is positioned in the center of the lower grinding disc. The variable camber groove grinding-based high-precision ceramic ball machining equipment can realize the higher machining precision and machining efficiency and demands on the equipment are lower.

Description

technical field [0001] The invention relates to a high-precision ceramic ball processing equipment. Background technique [0002] High-precision balls are important components in roundness meters, gyroscopes, bearings and precision measurement, and are often used as the benchmark for precision measurement, and play a very important role in precision equipment and precision machining. Especially in ball bearings, it is a key part of ball bearings. The accuracy of bearing balls (spherical deviation, ball diameter variation and surface roughness) directly affects the technical indicators of ball bearings such as motion accuracy, noise and life. Affect the performance of equipment and instruments. Compared with the traditional bearing steel ball material (GCr15), advanced ceramic materials such as silicon nitride have wear resistance, high temperature resistance, corrosion resistance, non-magnetism, low density (about 40% of bearing steel), and small thermal expansion coefficie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B37/025B24B37/27B24B37/34
CPCB24B37/025B24B37/27B24B37/34
Inventor 袁巨龙赵萍郭伟刚
Owner ZHEJIANG UNIV OF TECH
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