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Lapping machining method of inclined end face of bearing ring

A technology of bearing rings and processing methods, which is applied in superfinishing machines, metal processing equipment, manufacturing tools, etc., can solve the problems of poor processing accuracy, high repair rate, and parallel difference of inclined end faces, etc., and achieve processing efficiency and qualified finished products The effect of high efficiency, stable surface quality and uniform texture

Active Publication Date: 2017-01-04
AVIC HARBIN BEARING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the surface quality of the workpiece after processing is unstable in the existing processing method of the oblique end surface of the bearing ring, the parallel difference, roughness and angle of the oblique end surface cannot be completely guaranteed, and the processing accuracy is poor and the repair rate is poor. high problem

Method used

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  • Lapping machining method of inclined end face of bearing ring
  • Lapping machining method of inclined end face of bearing ring

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Experimental program
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Effect test

specific Embodiment approach 1

[0018] Specific implementation mode one: combine figure 1 and figure 2 Describe this embodiment, a method for finishing the oblique end surface of a bearing ring in this embodiment, the method includes the following steps:

[0019] Step 1. The bearing ring 1 is clamped on the lapping machine by means of two alloy support points 5 supported by the outer diameter. The angle formed between the diameter position of the bearing ring 1 and the center of the circle between the two alloy support points 5 is Between 120° and 180°, the upper end surface of the bearing ring 1 is clamped on the lapping machine by means of two pressure rollers 3, and the lower end of the bearing ring 1 is provided with an annular tire pad 2;

[0020] Step 2, adjust the processing angle of the lapping equipment, and make the working surface of the oil stone 4 parallel to the processing surface of the inclined end surface of the bearing ring 1;

[0021] Step 3, the vibration amplitude of the oil stone 4 i...

specific Embodiment approach 2

[0025] Specific implementation mode two: combination figure 1 To illustrate this embodiment, the annular tire pad 2 in step 1 of this embodiment drives the bearing ring 1 to rotate, and the two pressure rollers 3 are symmetrically distributed on both sides of the upper end surface of the bearing ring 1 . Such setting can ensure the stability of the surface quality of the inclined end surface of the bearing ring during the processing. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0026] Specific implementation mode three: combination figure 1 To describe this embodiment, the oil stone 4 in step 2 of this embodiment is a CBN oil stone. Such setting can ensure the roughness requirement of the inclined end surface of the bearing ring. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a lapping machining method of an inclined end face of a bearing ring, and relates to a machining method of the inclined end face of the bearing ring. The lapping machining method aims to solve the problems that the machined workpiece surface quality is not stable, the parallelism of the inclined end face is poor, the roughness and angle cannot be completely ensured, the machining accuracy is poor and the repair rate is high in the current lapping machine method of the inclined end face of the bearing ring. The bearing ring disclosed by the invention is installed and clamped on a lapping machine through two alloy support points in an outside diameter support mode, an included angle formed by the diameter positions of the two alloy support points on the bearing ring and the center of a circle is from 120 degrees to 180 degrees, the upper end face of the bearing ring is installed and clamped on the lapping machine through two pressure rollers in an end surface pressing mode, the lower end of the bearing ring is provided with a ring-shaped tire cushion, the machining angle of a lapping device can be adjusted, the working face of oilstone and the to-be-machined surface of the inclined end face of the bearing ring are parallel, and the inclined end face of the bearing ring can be lapped. The lapping machining method of the inclined end face of the bearing ring is used for lapping machining on the inclined end face of the bearing ring.

Description

technical field [0001] The invention relates to a lapping processing method, in particular to a lapping processing method of an oblique end face of a bearing ring. Background technique [0002] Bearings consist of outer rings, inner rings, rolling elements and cages, which can bear axial loads and radial loads, and can be used on various mechanical equipment with supporting or transmitting loads. The inner ring is a ferrule that fits the shaft, the outer ring is a ferrule that fits with the housing hole, and the oblique end face of the bearing is also the mating surface, so the accuracy of the oblique end face of the ferrule seriously affects the performance of the bearing. The existing processing methods for the oblique end face of the bearing ring are rough grinding, fine grinding and final grinding, and the abrasive is sandpaper. The surface quality of the workpiece after processing is not stable, and the parallelism, roughness and angle of the oblique end face cannot be ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B35/00
CPCB24B35/00
Inventor 王文雪关云朋刘勇孙剑锋于浩宋亚楠李达迪张振宇毕明龙沙磊刘璐
Owner AVIC HARBIN BEARING