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


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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