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Improved method of inspecting bearing roller appearance

A bearing roller and appearance inspection technology, which is applied in the direction of measuring devices, optical testing of defects/defects, and material analysis through optical means, can solve the problems of high misjudgment rate, inability to display noise bumps or depressions, etc., and achieve reduction The effect of misjudgment rate, novel equipment structure and advanced method

Inactive Publication Date: 2019-01-04
宁波均创智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the roller product reflects light, it cannot show whether the noise is raised or depressed
Some rollers that adsorb foreign matter such as sand, soil, and iron chips on the surface display abnormally, resulting in an excessively high misjudgment rate

Method used

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  • Improved method of inspecting bearing roller appearance
  • Improved method of inspecting bearing roller appearance
  • Improved method of inspecting bearing roller appearance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] An improved bearing roller appearance detection method,

[0019] Step 1: Place the bearing roller 1 to be tested on the POM roller 4 or the roller support block 5, so that the bearing roller 1 rolls on the POM roller 4;

[0020] The second step: when the bearing roller 1 is placed on the POM roller 4 and rolled, the light emitted by the laser generator 2 is irradiated on the cylindrical surface of the rolling bearing roller 1;

[0021] When the bearing roller 1 is placed on the roller support block 5, the light emitted by the laser generator 2 is irradiated on the end face of the bearing roller 1;

[0022] The third step: use the camera 3 to photograph the cylindrical surface or end surface of the bearing roller 1, and collect the surface information of the bearing roller 1;

[0023] Step 4: Analyze and display the surface information of different positions of the bearing roller 1 captured by the camera 3, and then fit each segment of the curve into a line through comp...

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Abstract

The invention discloses an improved method of inspecting bearing roller appearance. The improved method includes: first, placing a bearing roller under inspection onto a POM (polyoxymethylene) roll ora roller support block; second, allowing light from a laser generator to irradiate the surface of the bearing roller that is rolling; third, photographing the surface of the bearing roller with a camera to acquire surface information of the bearing roller; fourth, subjecting surface information of different parts of the bearing roller, photographed by the camera, to segmental analysis and displaying, fitting curves into a line through computer function processing, displaying deviations of points, judging whether qualification is present according to different fault tolerance values; fifth, performing D displaying on the detected surface information by means of image processing. The devices include the camera, the laser generator, and the roller support block or / and POM roll to place the bearing roller; misjudgment rate is decreased, the specific anomalies of the abnormal surface can be distinguished.

Description

technical field [0001] The invention relates to a bearing roller detection method, in particular to an improved bearing roller appearance detection method. Background technique [0002] The existing detection method of the outer surface of the bearing roller is to use the illumination light source to project the light onto the product to be inspected (bearing roller), take a picture by a camera, and extract the outer surface shape from the light spot reflected by the product to be inspected. But the roller product cannot show whether the noise is convex or concave after reflecting the light. The rollers that adsorb foreign objects such as sand, soil, iron, etc. on the surface are abnormal, resulting in a high misjudgment rate. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is to provide an improved bearing roller appearance detection method aiming at the deficiencies and defects of the prior art. [0004] In order to achieve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/95
CPCG01N21/8851G01N21/95G01N2021/8887
Inventor 何宏祥
Owner 宁波均创智能科技有限公司