Synthesis and Steady-State Analysis of High-Speed Elastic Cam-Actuated Linkages With Fluctuated Speeds by a Finite Element Method

[+] Author and Article Information
Hsin-Ting J. Liu

Department of Mechanical Engineering, Huafan University, Shihtin Hsiang, Taipei Hsien, Taiwan 223, Republic of China

J. Mech. Des 119(3), 395-402 (Sep 01, 1997) (8 pages) doi:10.1115/1.2826361 History: Received October 01, 1994; Revised April 01, 1997; Online December 11, 2007


A cam driving a lumped inertia through an elastic slider-crank follower linkage with its actuator, a D. C. motor, has been considered in this work. An iterative procedure utilizing the finite element method developed by Midha et al. (1978) is used to synthesize the cam profile to produce a desired output motion at a given design speed and damping ratio. The elastic deflections induced by the large inertia of the linkage operating at a fluctuated high speed of the driving cam are taken into account in synthesizing the cam profile. Responses of the synthesized linkages are simulated and found to be satisfactory at the design conditions.

Copyright © 1997 by The American Society of Mechanical Engineers
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