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RESEARCH PAPERS

A Remote Sensor Method for Determining Average Tool-Chip Interface Temperatures in Metal Cutting

[+] Author and Article Information
M. P. Lipman, G. E. Kane

Industrial Engineering Department, Lehigh University, Bethlehem, Pa.

B. E. Nevis

Mechanical Engineering Department, Lehigh University, Bethlehem, Pa.

J. Eng. Ind 89(2), 333-338 (May 01, 1967) (6 pages) doi:10.1115/1.3610049 History: Received June 15, 1966; Online August 25, 2011

Abstract

This paper shows the development of a mathematical model for determining the average interface temperatures when using a remote sensor. The accuracy of the remote sensor technique was greatly improved by introducing an insulator between the tool and tool-holder. The presence of the insulator provided boundary conditions which enabled a numerical solution to the set of equations representing heat flow and temperature distribution. The model was compared experimentally with a tool-chip thermocouple, and agreement of the order of ± 6 percent was observed. The model can be used not only to determine the average tool-chip interface temperature, but the temperature distribution of the overall tool. The developed model proved to be somewhat insensitive to physical constants and the surrounding environment. Its use as a practical, accurate method for determining cutting temperatures is possible without the need for calibrating tool-chip thermocouples, complicated experimental setups, tedious iterative calculations, over-generalized assumptions, and unavailable physical constants for tools and work materials.

Copyright © 1967 by ASME
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