Cutting Tool Temperatures in Contour Turning: Transient Analysis and Experimental Verification

Author:

Stephenson D. A.1,Jen T.-C.2,Lavine A. S.3

Affiliation:

1. GM Powertrain Group Headquarters, 895 Joslyn Ave. MC2AE6, Pontiac, MI 48340

2. Mechanical Engineering Department, University of Wisconsin, Milwaukee, Milwaukee, WI 53201

3. Mechanical and Aerospace Engineering Department, University of California, Los Angeles, CA 90095-1597

Abstract

This paper describes a model for predicting cutting tool temperatures under transient conditions. It is applicable to processes such as contour turning, in which the cutting speed, feed rate, and depth of cut may vary continuously with time. The model is intended for use in process development and trouble shooting. Therefore, emphasis is given in the model development to enable rapid computation and to avoid the need to specify parameters such as thermal contact resistances and convection coefficients which are not known in practice. Experiments were conducted to validate the predictive model. The model predictions with two different boundary conditions bound the experimental results. An example is presented which shows the utility of the model for process planning.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Reference17 articles.

1. Barrow G. , 1973, “A Review of Experimental and Theoretical Techniques for Assessing Cutting Temperatures,” CIRP Annals, Vol. 22, pp. 203–211.

2. Boothroyd, G., and Knight, W. A., 1989, Fundamentals of Machining and Machine Tools, Marcel Dekker, New York, Chap. 3.

3. Byrne G. , 1987, “Thermoelectric Signal Characteristics and Average Interfacial Temperatures in the Machining of Metals Under Geometrically Defined Conditions,” Int. J. Machine Tools Manuf., Vol. 27, pp. 215–224.

4. Chandra A. , and ChanC. L., 1994, “Thermal Aspects of Machining: A BEM Approach,” Int. J. Solids. Struct., Vol. 31, pp. 1657–1693.

5. Jen, T. C., and Lavine, A. S., 1994, “Prediction of Tool Temperatures in Interrupted Metal Cutting,” Proc. of 7th Int’l. Symposium on Transport Phenomena in Manufacturing Processes, pp. 211–216.

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