A Variable-Speed Method for Improving Motion Characteristics of Cam-Follower Systems

[+] Author and Article Information
Hong-Sen Yan, Mi-Ching Tsai, Meng-Hui Hsu

Department of Mechanical Engineering, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C.

J. Mech. Des 118(2), 250-258 (Jun 01, 1996) (9 pages) doi:10.1115/1.2826877 History: Received December 01, 1993; Revised August 01, 1995; Online December 11, 2007


A cam is often assumed to be operated at a constant speed in designing a cam-follower system. The motion characteristics of the follower are determined once the cam displacement curve is designed. The traditional design method for improving the motion characteristics is to find a new displacement curve which has better motion characteristics. This paper, however, presents an alternative approach by varying the speed of the cam to reduce the peak values of the follower output motion characteristics. Constraints and design criteria for selecting suitable cam speed trajectories are then developed. Finally, examples are given to illustrate the design procedure and also to show its feasibility.

Copyright © 1996 by The American Society of Mechanical Engineers
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