Using Wear Curves to Predict the Cost of Changes in Cutting Conditions

[+] Author and Article Information
S. Chick

Dept. of Industrial and Operations Engineering, University of Michigan, Ann Arbor, MI 48109

M. B. Mendel

Dept. of Industrial Engineering and Operations Research, University of California, Berkeley, CA 94720

J. Manuf. Sci. Eng 120(1), 166-168 (Feb 01, 1998) (3 pages) doi:10.1115/1.2830094 History: Received October 01, 1994; Revised December 01, 1996; Online January 17, 2008


A recently-proposed probability model for cutting tool lifetimes based on tool wear curves is presented. Optimal tool replacement strategies and cutting conditions are calculated using this wear-based model. The model’s use of wear curves permits extrapolation of cost calculations to cutting conditions for which little statistical data has been collected, assuming data is available for other cutting conditions which have the same failure mechanism. This is particularly important during process design changes, when data is expensive to obtain or limited in quantity. Analysis indicates that an important factor in tool replacement is run-in wear.

Copyright © 1998 by The American Society of Mechanical Engineers
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