RESEARCH PAPERS: Mechanisms Papers

Allocation of Dimensional Tolerances for Multiple Loop Planar Mechanisms

[+] Author and Article Information
R. G. Fenton, W. L. Cleghorn

Dept. of Mechanical Engineering, University of Toronto, Toronto, Ontario, Canada M5S 1A4

Jing-fan Fu

Dept. of Mechanical Engineering, University of Toronto; Zhengzhou College of Aeronautical Industrial Management, The People’s Republic of China

J. Mech., Trans., and Automation 111(4), 465-470 (Dec 01, 1989) (6 pages) doi:10.1115/1.3259022 History: Received April 01, 1989; Online November 19, 2009


A method is presented to determine tolerance bands for the dimensions of multiple loop planar mechanisms such that output motions will be kept within specified allowable limits. The kinematic equations of mechanisms are generated by combining various link groups. A preliminary set of estimated tolerance bands is calculated using an analytical technique. An optimization and checking routine is then employed to determine the set of input parameters which satisfies the prescribed output motion requirements. Examples have been included to illustrate the method.

Copyright © 1989 by ASME
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