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TECHNICAL BRIEFS

A New Method of Torque Compensation for High Speed Indexing Cam Mechanism

[+] Author and Article Information
Teng Guilan, Fu Haibo, Zhou Weiyi

Adult Education College, Tianjin University, Tianjin 300072, China

J. Mech. Des 121(2), 319-323 (Jun 01, 1999) (5 pages) doi:10.1115/1.2829462 History: Received April 01, 1998; Revised November 01, 1998; Online December 11, 2007

Abstract

Severe vibration and poor positioning accuracy may occur in an indexing cam mechanism operating at a high speed. Torque fluctuation of the input shaft and the resulting fluctuation of kinetic energy of the mechanism may be the major cause of the vibration. In this paper a method is proposed to minimize the fluctuation by using a so-called “speed-varying flywheel” that produces an opposite kinetic energy fluctuation that can counteract the effect of the energy fluctuation. The flywheel is installed on the output shaft of an additional cam-linkage mechanism. The parameter of the cam-linkage mechanism is optimized. An example is given to demonstrate the effectiveness of this method.

Copyright © 1999 by The American Society of Mechanical Engineers
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