A Relative Stability Study on the Dynamics of the Turning Mechanism

[+] Author and Article Information
Nejat Olgac, Guoquan Zhao

Mechanical Engineering Department, University of Connecticut, Storrs, CT 06268

J. Dyn. Sys., Meas., Control 109(2), 164-170 (Jun 01, 1987) (7 pages) doi:10.1115/1.3143834 History: Received April 01, 1987; Online July 21, 2009


A typical turning process is taken as a representative dynamic event for metal machining operations. The intrinsically oscillatory nature of this process is discussed, considering a number of parametric identifiers in the model. This oscillatory behavior is stable in the general sense of “stability.” However, under varying cutting conditions and for different system parameters, the “degree of stability” may be of importance. This issue is addressed to assist the off-line tool path determinations (i.e., parts programming) in some optimal fashion. Frequency response techniques are used. Following a definition for the “level of stability” comparative listings for various turning cases are given. Zone of preference for the operation parameters are depicted for future reference.

Copyright © 1987 by ASME
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