Acoustic Emission Monitoring of Tool Wear in End-Milling Using Time-Domain Averaging

[+] Author and Article Information
D. V. Hutton

School of Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920

F. Hu

Industrial Design Corporation, Portland, OR 97201

J. Manuf. Sci. Eng 121(1), 8-12 (Feb 01, 1999) (5 pages) doi:10.1115/1.2830581 History: Received July 01, 1996; Revised October 01, 1997; Online January 17, 2008


The characteristics of the acoustic emission signal during the tool wear process in end milling are analyzed, and a signal processing scheme for abstracting the mean time domain averaging deviation of the signal to monitor tool wear is proposed. Experiments indicate that the mean deviation value is sensitive to flank wear and its normalized value is not as dependent on milling parameters as the acoustic emission root mean square signal.

Copyright © 1999 by The American Society of Mechanical Engineers
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