Deviation-Function Based Pitch Curve Modification for Conjugate Pair Design

[+] Author and Article Information
D. C. H. Yang, S.-H. Tong, J. Lin

Mechanical and Aerospace Engineering Department, School of Engineering and Applied Science, University of California, Los Angeles, Los Angeles, CA 90095

J. Mech. Des 121(4), 579-586 (Dec 01, 1999) (8 pages) doi:10.1115/1.2829502 History: Received February 01, 1998; Revised October 01, 1999; Online December 11, 2007


In this paper a method for generating new conjugate kinematic pairs is developed. This method, called the “Deviation-Function ” method, is to use deviation functions to reshape the original pitch pairs so that the desired profiles of generated pairs can be obtained. A deviation function is defined as the distance between contacts and their corresponding instant centers of two conjugate pairs. In other words, a deviation function measures the amount of deviation of a point on the generated profile from its corresponding point on the original pitch profile. As demonstrated, this new method is applicable to any type of pitch pairs including circular or noncircular and identical or nonidentical. In addition, by using this method, it is relatively easier to realize desired geometrical and mechanical properties into the design.

Copyright © 1999 by The American Society of Mechanical Engineers
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