Measurement of the ballscrew contact angle by using the photoelastic effect and image processing

T. Y. Chen; P. H. Hou; J. Y. Chiu

doi:10.1016/S0143-8166(01)00159-2

Measurement of the ballscrew contact angle by using the photoelastic effect and image processing

T. Y. Chen, P. H. Hou, J. Y. Chiu

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

The contact angle of ball and screw affects the ballscrew's life. A novel method for measurement of the contact angle of ballscrew is developed by using the photoelastic effect and digital image processing techniques. Substituting the steel ball by a photoelastic disk, the contact angles of the disk at contact with a 90° groove and a real screw are measured by processing the digitized photoelastic disk images. Acceptable results have been achieved for consideration of the accuracy and reliability of the measurement. The method is cost-effective and is able to substitute the commonly used profiler for practical inspection of the screw.

Original language	English
Pages (from-to)	87-95
Number of pages	9
Journal	Optics and Lasers in Engineering
Volume	38
Issue number	1-2
DOIs	https://doi.org/10.1016/S0143-8166(01)00159-2
Publication status	Published - 2002 Jul 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Mechanical Engineering
Electrical and Electronic Engineering

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abstract = "The contact angle of ball and screw affects the ballscrew's life. A novel method for measurement of the contact angle of ballscrew is developed by using the photoelastic effect and digital image processing techniques. Substituting the steel ball by a photoelastic disk, the contact angles of the disk at contact with a 90° groove and a real screw are measured by processing the digitized photoelastic disk images. Acceptable results have been achieved for consideration of the accuracy and reliability of the measurement. The method is cost-effective and is able to substitute the commonly used profiler for practical inspection of the screw.",

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AB - The contact angle of ball and screw affects the ballscrew's life. A novel method for measurement of the contact angle of ballscrew is developed by using the photoelastic effect and digital image processing techniques. Substituting the steel ball by a photoelastic disk, the contact angles of the disk at contact with a 90° groove and a real screw are measured by processing the digitized photoelastic disk images. Acceptable results have been achieved for consideration of the accuracy and reliability of the measurement. The method is cost-effective and is able to substitute the commonly used profiler for practical inspection of the screw.

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