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A method for measuring the axial comprehensive position variation of the raceway of the hub bearing ring part

A technology for hub bearings and channel shafts, which is applied in the field of measurement of comprehensive axial position variation of hub bearing ring parts, can solve the problem of low one-time matching rate, and achieve the effect of increasing the matching rate and improving production efficiency

Active Publication Date: 2017-09-29
王颐疆
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method assembles the wheel hub bearing in a fully combined manner, and measures the axial clearance according to the method described in "JBT10238-2001 Automobile Hub Bearing Unit". Reassemble after ball diameter, this assembly process is usually lower than 80%

Method used

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  • A method for measuring the axial comprehensive position variation of the raceway of the hub bearing ring part
  • A method for measuring the axial comprehensive position variation of the raceway of the hub bearing ring part
  • A method for measuring the axial comprehensive position variation of the raceway of the hub bearing ring part

Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0046] Given the main functional dimensions and steel ball diameters of the inner ring, flange, and outer ring of the hub bearing, the calculation model for the axial clearance is:

[0047]

[0048] In the formula, R i is the radius of curvature of the inner ring groove; R f is the radius of curvature of the flange groove; R e is the radius of curvature of the outer ring groove; d i is the channel diameter of the inner ring; d f is the diameter of the flange channel; D e is the outer ring channel diameter; D w is the diameter of the steel ball; P i is the position dimension of the inner ring groove; P f Dimensions of flange channel position; P e is the center distance of the outer ring groove.

[0049] It can be seen from the calculation formula of the axial clearance of the hub bearing above that once the ring parts that make up the assembled hub bearing are selected, the channel size of the ring parts is a definite value, and the axial clearance due to all channel...

Embodiment example 2

[0110] Similar to the implementation case 1, multiple sets of standard hub bearings can be selected for simultaneous measurement, and the specific steps are as follows:

[0111] Step (1) select n 1 A hub bearing outer ring whose quality meets the technical requirements and whose diameter is D w The steel ball composition n 1 Axial comprehensive position measuring device for inner ring groove;

[0112] Step (2) select n 2 A hub bearing outer ring whose quality meets the technical requirements and whose diameter is D w The steel ball composition n 2 Axial comprehensive position measuring device for flange channel;

[0113] Step (3) select n 3 A hub bearing inner ring, flange and diameter D that meet the technical requirements w The steel ball composition n 3 Axial comprehensive position measuring device for the groove of the sleeve outer ring;

[0114] Step (4) select n 4 The inner ring, flange and outer ring parts whose quality meets the technical requirements are use...

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Abstract

The present invention discloses a hub bearing ferrule part channel axial comprehensive position variation measurement method. According to the present invention, the channel comprehensive position values of an inner ring, a flange plate and an outer ring are measured individually, and the functional sizes of the inner ring, the flange plate and the outer ring are packaged into the channel comprehensive positions respectively, so that the nine channel functional sizes do not need to be measured one by one. The beneficial effects are that: the method is used to evaluate the quality of the produced ferrule parts, and the measurement precision of the ferrule parts can be improved; by the precise measurement of the comprehensive position variation of the hub bearing ferrule parts, the individual measurement of the functional sizes of the ferrule parts is avoided, the processing quality of the ferrule part can be controlled one by one, and the assembly fitting rate of a hub bearing and the production efficiency are improved.

Description

technical field [0001] The invention belongs to the technical field of auto parts detection, and in particular relates to a method for measuring the axial comprehensive position variation of a raceway of a hub bearing ring part. Background technique [0002] The hub bearing is essentially a double row angular contact ball bearing. At this stage, the hub bearing has developed to the third generation product. The structure of the third generation hub bearing mainly includes inner ring, flange, outer ring, steel ball and cage. etc., the inner ring, flange and outer ring are often referred to as ferrule parts. The axial clearance in the hub bearing is a key technical parameter to control the quality of the hub bearing, and the value of the axial clearance directly affects its working performance and service life. In theory, the axial clearance value is determined by the functional dimensions of the channels of the inner ring, flange, and outer ring, that is, the radius of curva...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B21/00
CPCG01B21/00
Inventor 单越康黄朝晖孙汉明余松青刘月瑶周红明俞铮然孙振兴
Owner 王颐疆
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