Grinding process method of ultra-light narrow bearing sleeve ring

A process method and technology of bearing rings, which are applied in metal processing equipment, grinding machines, manufacturing tools, etc., can solve problems such as bumps on the appearance, weak stability of rings, and difficult size requirements, etc., to achieve stable performance and appearance Bright, small residual stress effect

Inactive Publication Date: 2011-11-09
WAFANGDIAN GUANGYANG BEARING GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the characteristics of the ultra-light and narrow bearing itself, the stability of the ferrule itself is not strong, and if there is internal stress, it will cause the ferrule to deform itself
Moreover, the traditional chamfering processing method for bearing assembly is difficult to effectively guarantee the size requirements of the finished bearing parts. The size of the chamfers is different, and the appearance is severely bumped, which directly affects the overall quality requirements of the bearing.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] The specific implementation process of the grinding process of the ultra-light and narrow bearing ring of the present invention is as follows: first, the parts are machined by turning, the safety chamfering of the turning is carried out, heat treatment is carried out, and each processing surface of the plane, the outer diameter, the outer groove, and the outer and inner diameters is roughly ground, once Additional tempering, 180 ℃ ~ 200 ℃, 2 ~ 4 hours, then use a ceramic forming knife, on the lathe, perform a one-time hard chamfering on the assembly chamfering of the bearing parts according to the size requirements of the finished product; then finely grind the plane, outer surface Each processing surface of diameter and outer groove, secondary additional tempering, fine grinding plane, outer diameter, outer groove, outer diameter matching surface, magnetic particle inspection, demagnetization, cleaning, final inspection of parts, and finally storage.

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PUM

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Abstract

The invention relates to a grinding process method of an ultra-light narrow bearing sleeve ring. Compared with the original process, the grinding process method is characterized in that one-time additional annealing is added, one-time grinding circulation is added, a ceramic forming cutter is adopted, and disposable hard turning chamfering is carried out on an assembling chamfer of a bearing part on a turning lathe according to the size requirement of a finished product. According to the grinding process method, the stress in the bearing sleeve ring is effectively released, so that the residual stress is smaller, further the stability of the performance of the sleeve ring is increased, the chamfer size requirement of the finished bearing product is guaranteed, the appearance is bright, the inconsistent size of the assembling chamfers of the finished bearing products is avoided, the collision of a chamfer surface is reduced and the chamfer size of the part of the finished bearing product is not limited by lathe workers for all the processing surfaces.

Description

technical field [0001] The invention relates to a grinding process method, in particular to a grinding process method of an ultra-light and narrow bearing ring. Background technique [0002] The processing of the bearing assembly chamfer and the control of the size of the chamfer are very important for the installation, service life and appearance of the bearing. In the existing ultra-light and narrow bearing ring grinding process, the parts are chamfered and heat-treated, then the surface is roughly ground, the outer diameter, the outer groove, and the outer inner diameter are roughly ground, additional tempering is performed, and the plane is finely ground , outer diameter, outer groove, fine grinding outer diameter, mating surface, polished groove, mating surface, magnetic particle flaw detection, demagnetization, cleaning, final inspection of parts, and finally storage. Due to the characteristics of the ultra-light and narrow bearing itself, the stability of the ferrul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B19/11
Inventor 姜长锋
Owner WAFANGDIAN GUANGYANG BEARING GRP
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