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RESEARCH PAPERS: Mechanisms Papers

Kinematic Synthesis of Adjustable Mechanisms—Part 2: Path Generation

[+] Author and Article Information
Joseph F. McGovern, George N. Sandor

Division of Machines and Structures, Rensselaer Polytechnic Institute, Troy, N. Y.

J. Eng. Ind 95(2), 423-429 (May 01, 1973) (7 pages) doi:10.1115/1.3438172 History: Received July 06, 1972; Online July 15, 2010

Abstract

A method utilizing complex numbers similar to that used in Part 1 for adjustable function generator synthesis is applied to the synthesis of adjustable path generators. Finitely separated path points with prescribed timing as well as higher order approximations (infinitesimally separated path points) are treated, by way of analytical and closed form solutions. Adjustment of the path generator mechanism is accomplished by moving a fixed pivot. Mechanisms adjustable for different approximate straight line motions, for various path curvatures, and path tangents as well as several arbitrary paths can be synthesized. Four-bar and geared five-bar mechanisms are considered. Examples are included describing synthesized mechanisms.

Copyright © 1973 by ASME
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