A Technique for Rapidly Measuring Surface Roughness Using a Laser
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概要
- 論文の詳細を見る
A noncontact optical technique for rapidly measuring surface roughness using a laser is proposed. The reflected light intensity distribution of a laser beam illuminated on the surface of a specimen will broaden as the surface roughness increases. The intensity distributions reflected on the surface of aluminum specimens were measured with a plasma-coupled device (PCD). The reflected intensity curve can be approximated by a Gaussian function. The broadness of the intensity distribution curve was evaluated with the standard deviation, called a Gaussian curve parameter (GCP), of a Gaussian function approximating the intensity curve. The center-line averaged roughness Ra increased with increasing GCP, which can be determined in two seconds. The roughness Ra within the range of 0.1 to 0.5 μm can be obtained from measured GCP by using the experimental equation given by Ra=0.088GCP+0.032.
- 一般社団法人日本機械学会の論文
- 1992-07-15
著者
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Kurita Masanori
Department Of Mechanical Engineering Nagaoka University Of Technology
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Kurita Masanori
Department Of Electrical And Electronic Engineering Faculty Of Engineering Yamaguchi University
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SATO Makoto
Aida Engineering Ltd.
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NAKANO Kazuma
Department of Mechanical Engineering, Nagaoka University of Technology
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Sato Makoto
Precision And Intelligence Laboratory Tokyo Institute Of Technology
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Nakano Kazuma
Department Of Mechanical Engineering Nagaoka University Of Technology
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