Analytical Investigation of the Effect of Tool Wear on the Temperature Variations in a Metal Cutting Tool

[+] Author and Article Information
E. K. Levy

Department of Mechanical Engineering and Mechanics, Lehigh University, Bethlehem, Pa.

C. L. Tsai

Massachusetts Institute of Technology, Cambridge, Mass.

M. P. Groover

Department of Industrial Engineering, Lehigh University, Bethlehem, Pa.

J. Eng. Ind 98(1), 251-257 (Feb 01, 1976) (7 pages) doi:10.1115/1.3438828 History: Received July 22, 1975; Online July 15, 2010


An analytical study of the effect of crater wear on the response of a remote thermocouple sensor is described. The remote thermocouple sensor is at present being developed as a device for the on-line measurement of tool wear. This technique depends for its operation on the strong influence of wear on the transient temperature variations in the tool. The two-dimensional transient temperature variations in the chip and tool regions are determined using a numerical finite-difference technique. Results are obtained under idealized cutting conditions with a zero wear rate, a normal wear rate, and an accelerated wear rate. Comparisons are made between the three cases to develop relationships for the effect of wear on the temperature at the remote thermocouple location.

Copyright © 1976 by ASME
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