Improved Analysis of the Workpiece Accuracy in Turning, Based on the Emerging Diameter

[+] Author and Article Information
L. Kops, M. Gould, M. Mizrach

Department of Mechanical Engineering, McGill University, Montreal, Quebec, Canada

J. Eng. Ind 115(3), 253-257 (Aug 01, 1993) (5 pages) doi:10.1115/1.2901657 History: Received February 01, 1992; Revised May 01, 1992; Online April 08, 2008


Improved formulation of a workpiece deflection, accounting for the progressively increasing compliance due to the reduced diameter which emerges during turning, was developed and used to evaluate the deflection and its effect on machining error through computer simulation. The results demonstrate that when considering the moving step in diameters, the effect of depth of cut becomes more pronounced for slenderness L/D>6, It was revealed that the maximum deflection occurs either at the tailstock for lower slenderness or at approximately 0.6L from the spindle for higher slenderness. As the new formulation ensures more accurate prediction of the machining error, a nondimensional procedure generalizing the results is provided for practical applications.

Copyright © 1993 by The American Society of Mechanical Engineers
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