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TECHNICAL BRIEFS

Reducing the Temperature at Tool-Chip-Work Contact by Changing the Effective Thermal Conductivity of the Tool

[+] Author and Article Information
C. J. Kotval

The Bendix Research Laboratories, Bendix Corporation, Southfield, Mich.

M. M. Barash

Purdue University, West Lafayette, Ind.

J. Eng. Ind 100(3), 387-389 (Aug 01, 1978) (3 pages) doi:10.1115/1.3439447 History: Received March 10, 1978; Online July 15, 2010

Abstract

A method for cooling carbide tools by increasing their effective thermal conductivity was investigated. Its essence is in coating the tool with a layer of high thermal conductivity material, specifically copper or silver. Reduction in cutting temperature near the cutting edge was verified by the embedded thermocouple and tool-work thermocouple measurement techniques. Theoretical models of the tool further support the experimental results and demonstrate a greatly altered temperature gradient at the cutting edge and its vicinity.

Copyright © 1978 by ASME
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