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RESEARCH PAPERS

An Analytical Model for Prediction of Tool Temperature Fields during Continuous and Interrupted Cutting

[+] Author and Article Information
R. Radulescu, S. G. Kapoor

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801

J. Eng. Ind 116(2), 135-143 (May 01, 1994) (9 pages) doi:10.1115/1.2901923 History: Received April 01, 1992; Revised September 01, 1992; Online April 08, 2008

Abstract

An analytical model for prediction of tool temperature fields in metal cutting processes is developed. The model can be applied to any continuous or interrupted three-dimensional cutting process. To accurately represent the heating and cooling cycles encountered during interrupted cutting, the analysis predicts time dependent heat fluxes into the cutting tool. A time history of this heat flux is obtained by performing an energy balance on the chip formation zone. The variation with time of the tool temperature fields is determined from a heat transfer analysis with prescribed heat generation rate. The analysis requires the cutting forces as inputs. The model tool-chip interface temperatures agree well with the experimental tests reported in the literature, for all cutting conditions and work materials investigated. The results indicate that the tool-chip interface temperature increases with cutting speed during both continuous and interrupted cutting.

Copyright © 1994 by The American Society of Mechanical Engineers
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