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RESEARCH PAPERS

Improved Methods for the Prediction of Chatter in Turning, Part 2: Determination of Cutting Process Parameters

[+] Author and Article Information
I. E. Minis, E. B. Magrab, I. O. Pandelidis

Department of Mechanical Engineering, University of Maryland, College Park, MD 20742

J. Eng. Ind 112(1), 21-27 (Feb 01, 1990) (7 pages) doi:10.1115/1.2899291 History: Received June 15, 1988; Revised December 19, 1988; Online April 08, 2008

Abstract

The dynamics of the metal cutting process are identified by a new and simple experimental method that permits the direct determination of the cutting transfer functions from input-output measurements. A specially designed stiff force dynamometer rigidly mounted to the machine tool’s turret is used for the measurement of the cutting force. An external force is applied to the base plate of the dynamometer in such a way that the meaurements of both the tool’s displacement and the corresponding cutting force are uncoupled from the influence of the machine tool structure’s dynamics. The cutting transfer functions are obtained in the vicinity of the structure’s first resonance, under a wide range of cutting conditions.

Copyright © 1990 by The American Society of Mechanical Engineers
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