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Research Papers

A Study of the Effects of Tool Flank Wear on Tool Chip Interface Temperature

[+] Author and Article Information
D. R. Olberts

Research Laboratories, Allis-Chalmers Manufacturing Company, Milwaukee, Wis.

J. Eng. Ind 81(2), 152-157 (May 01, 1959) (6 pages) doi:10.1115/1.4008278 History: Received March 31, 1958; Published May 01, 1959; Online February 20, 2019

Abstract

A study of the effect of land wear upon the interface temperature between a carbide tool and an AISI 1015 steel workpiece is presented. The wear lands were ground on the tools to eliminate the effects of cratering and to produce uniform wear lands. The tool-work thermocouple technique was used to measure the interface temperature. A calibration of the thermocouple was obtained through the use of a technique suggested by Backer and Krabacher. The results at all feeds and speeds indicate that a wear land of 0.010 in. produces a lower interface temperature than a sharp tool. When the wear land increases beyond 0.010 in. to 0.020 and 0.030 in. the temperature again rises. Studies of the variation of the chip thickness ratio with wear land indicated that the greater the land wear the lower the chip thickness ratio.

Copyright © 1959 by ASME
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