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IJAT Vol.10 No.1 pp. 106-113
doi: 10.20965/ijat.2016.p0106
(2016)

Paper:

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Fundamental Study on Novel On-Machine Measurement Method of a Cutting Tool Edge Profile with a Fluorescent Confocal Microscopy

Kenji Maruno*, Masaki Michihata**, Yasuhiro Mizutani*, and Yasuhiro Takaya*

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

**Research Center for Advanced Science and Technology, The University of Tokyo
4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan

Received:
September 19, 2015
Accepted:
December 9, 2015
Online released:
January 4, 2016
Published:
January 5, 2016
Creative Commons License
Keywords:
on-machine measurement, cutting fluid, fluorescence, tool measurement, confocal microscopy
Abstract
We propose a novel, on-machine method of measuring the profile of the cutting edge of a tool by using the cutting fluid on the tool surface. Despite an environment of on-machine tool profile measurement, it is difficult to measure a cutting edge profile by using conventional optical methods due to interference from the cutting fluid on the tool surface. To overcome this problem, we propose a profile measurement method that uses confocal fluorescent detection from the cutting fluid on the tool surface. Moreover, for precise measurements, a method that corrects for the thickness of the cutting fluid is provided. Fluorescence from the surface of a silicon wafer coated with a fluorescent dye that is set horizontally as well as vertically to the optical axis of a developed fluorescent confocal microscope is detected. As a basic verification, the cutting edge profile of a milling tool with wear is measured using the proposed measuring and correction methods that employ a fluorescent dye. The results confirm that the proposed method can provide detailed measurements of a tool wear profile.
Cite this article as:
K. Maruno, M. Michihata, Y. Mizutani, and Y. Takaya, “Fundamental Study on Novel On-Machine Measurement Method of a Cutting Tool Edge Profile with a Fluorescent Confocal Microscopy,” Int. J. Automation Technol., Vol.10 No.1, pp. 106-113, 2016.
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