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Method for measuring position of bearing ferrule groove by using contourgraph

A bearing ring and profiler technology, which is used in measuring devices, mechanical measuring devices, and mechanical devices, etc., can solve the problems of measurement result error, inability to accurately determine the position of the maximum diameter of the rolling body, etc., and achieves a small measurement error, High accuracy and good versatility

Inactive Publication Date: 2020-06-19
AVIC HARBIN BEARING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method usually uses the rolling element as an accessory, fixes it on the end face of the measured ring, and then uses the profiler to measure the profile of the rolling element and the ring groove at the maximum diameter. In actual measurement, it is found that this method is effective. Some deficiencies, one is how to firmly fix the rolling element on the end face of the ferrule
Second, when using rolling elements, the position of the maximum diameter of the rolling elements cannot be accurately determined, resulting in large errors in measurement results

Method used

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  • Method for measuring position of bearing ferrule groove by using contourgraph

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0012] Specific implementation mode one: combine figure 1 To illustrate this embodiment, this embodiment includes the following steps:

[0013] 1. Fix the rolling elements on the end face of the ferrule with the groove by bonding;

[0014] 2. Customize the origin of the coordinates on the profiler, put the stylus of the profiler above the rolling body, place the end face of the ferrule on the working platform and the side of the ferrule with the groove facing up, put it on the working platform Translation ferrule, when the surface of the rolling body is in contact with the stylus of the profiler, the coordinates (x1, y1) of the center o1 of the rolling body are obtained, and when the absolute value of the ordinate x1 reaches the maximum value, the measurement of the profiler The position of the needle is the position of the maximum diameter of the rolling element. Put the stylus of the profiler into the groove of the ferrule and walk along the arc track of the cross section o...

specific Embodiment approach 2

[0015] Specific implementation mode two: combination figure 1 To describe this embodiment, the way of bonding in Step 1 of this embodiment is that hot melt glue sticks are fixed by hot melt.

[0016] Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0017] Specific implementation mode three: combination figure 1 To illustrate this embodiment, the rolling elements in step 1 and step 2 of this embodiment are steel balls or cylindrical rollers.

[0018] Other components and connections are the same as those in the first embodiment.

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Abstract

The invention discloses a method for measuring the position of a bearing ferrule groove by using a contourgraph, belongs to the technical field of bearing measurement, and aims to solve the problems that the contourgraph is difficult to fix when measuring the contours of a rolling body and a ferrule channel at the maximum diameter, the maximum diameter of the rolling body is not easy to measure, and the measurement error is relatively large. The method comprises the following steps that 1, a rolling body is fixed to the end face, provided with a channel, of a ferrule in a bonding mode; and 2,a coordinate origin is customized in the contourgraph; a probe of the contourgraph is placed above the rolling body; the end face of the ferrule is placed on the working platform, and the face, provided with the groove, of the ferrule faces upwards, the ferrule is translated on the working platform, the coordinate (x1, y1) of the circle center o1 of the rolling body is obtained when the surface ofthe rolling body makes contact with the probe of the contourgraph, and when the absolute value of the longitudinal coordinate x1 reaches the maximum value, the position of the probe of the contourgraph is the position of the maximum diameter of the rolling body. The method is suitable for measuring the ferrules of the cylindrical roller bearing and the ball bearing.

Description

technical field [0001] The invention relates to a method for measuring the groove of a bearing ring, in particular to a method for measuring the position of the groove of a bearing ring with a profiler, and belongs to the technical field of bearing detection. Background technique [0002] The measurement of the bearing groove position has always been using the traditional measurement method. The groove position of the full groove bearing is measured on a special instrument such as D012 or D022, and the deviation value of the groove position is measured by the amplitude method. The groove position of the angular contact ball bearing is the actual value of the ring groove position indirectly measured on the vertical length measuring instrument by using the corresponding assembly ball. With the continuous development of the profiler, especially the continuous improvement of the range (range of the sensor) and measurement accuracy, a method of using the profiler to measure the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/00
CPCG01B5/00
Inventor 王旭刚金文胜刘哲夫罗志刚刘英华孙慧霖刘岩马森张鹏白石
Owner AVIC HARBIN BEARING