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IJAT Vol.6 No.2 pp. 163-167
doi: 10.20965/ijat.2012.p0163
(2012)

Paper:

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High Precision Tool Cutting Edge Monitoring Using Laser Diffraction for On-Machine Measurement

Panart Khajornrungruang*, Keiichi Kimura*,
Yasuhiro Takaya**, and Keisuke Suzuki*

*School of Computer Science and Systems Engineering, Kyushu Institute of Technology, 680-4 Kawazu, Iizuka-shi, Fukuoka 820-8502, Japan

**Department of Mechanical Engineering, Osaka University, 2-1 Yamadaoka, Suita-shi, Osaka 565-0871, Japan

Received:
September 27, 2011
Accepted:
January 25, 2012
Published:
March 5, 2012
Creative Commons License
Keywords:
tool, cutting edge, laser, diffraction, onmachine, measurement
Abstract
The Far-field laser diffraction is proposed for measuring tool cutting-edges geometry with sub-micrometer precision. In particular, by eliciting an optical diffraction phenomenon, the cutting-edge of the tool can be monitored without a diffraction limit. This method can also be applied for on-machine measurements because of the simplicity and long working distance of the optical system; high precision can be achieved by using a laser light and there is no need for a vacuum environment. In this study, an on-machine tool measurement device using laser diffraction was developed to experimentally measure tool displacements of order of hundreds of nanometers; a piezo-drive stage was also used. Measurements of the cutting-edge curve of a ball endmill and a tool cutting-edge tolerance were also experimentally monitored.
Cite this article as:
P. Khajornrungruang, K. Kimura, Y. Takaya, and K. Suzuki, “High Precision Tool Cutting Edge Monitoring Using Laser Diffraction for On-Machine Measurement,” Int. J. Automation Technol., Vol.6 No.2, pp. 163-167, 2012.
Data files:
References
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