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IJAT Vol.10 No.5 pp. 767-772
doi: 10.20965/ijat.2016.p0767
(2016)

Paper:

In-Process Tool Wear Detection of Uncoated Square End Mill Based on Electrical Contact Resistance

Amine Gouarir*,†, Syuhei Kurokawa*, Takao Sajima*, and Mitsuaki Murata**

*Department of Mechanical Engineering, Kyushu University
744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

Corresponding author

**Department of Mechanical Engineering, Kyushu Sangyo University, Japan

Received:
February 6, 2016
Accepted:
June 17, 2016
Published:
September 5, 2016
Keywords:
electric contact resistance, in-process monitoring, solid and throw-away square end mill, flank wear, electromotive force
Abstract

This paper presents a method for in-process detection of tool wear in square end mills. The developed high-speed tool wear detection system uses the contact resistance between the tool and workpiece as a gauge to monitor the progression of tool wear. The electrical resistance decreases with an increase in contact area on the tool flank. In the experiments conducted in our previous study, the target was the face milling process. In the present study, the experiments were conducted on down cut milling with a square end mill. The results are presented based on the observations made on the relationship between the area of tool flank wear and tool-work contact resistance. In conclusion, the results of the experiment show that the present tool wear detection system is effective as an in-process tool wear detection system for square end mills.

Cite this article as:
A. Gouarir, S. Kurokawa, T. Sajima, and M. Murata, “In-Process Tool Wear Detection of Uncoated Square End Mill Based on Electrical Contact Resistance,” Int. J. Automation Technol., Vol.10, No.5, pp. 767-772, 2016.
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Last updated on Dec. 17, 2018