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RESEARCH PAPERS

Thermal Aspects of Grinding: Part 2—Surface Temperatures and Workpiece Burn

[+] Author and Article Information
S. Malkin

Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas

J. Eng. Ind 96(4), 1184-1191 (Nov 01, 1974) (8 pages) doi:10.1115/1.3438493 History: Received July 10, 1973; Online July 15, 2010

Abstract

Energy partition results from the previous paper are used to calculate the surface temperature distribution during grinding. The grinding temperature is calculated as the sum of a local temperature in the vicinity of an abrasive grain and a grinding zone temperature over the apparent area of contact between the grinding wheel and the workpiece. The peak local temperature at the cutting edge of an abrasive grain is found to be close to the melting point of the workpiece. By assuming that workpiece burn occurs at a critical grinding zone temperature, the energy flux at the onset of burn is related to the grinding conditions.

Copyright © 1974 by ASME
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