Some Applications of the Cycloid in Machine Design

[+] Author and Article Information
E. P. Pollitt

Armour Research Foundation, Chicago, Ill.

J. Eng. Ind 82(4), 407-414 (Nov 01, 1960) (8 pages) doi:10.1115/1.3664265 History: Received July 10, 1959; Online December 09, 2011


Cycloidal motions have many applications in mechanical engineering. The multi-lobed epicycloid has sharply pointed cusps; therefore, a machine element performing an epicyclic motion can be utilized for performing operations requiring a corresponding action, like folding of flexible materials or feeding of components from a stack. A speed reducer, distinguished by extreme compactness, is based on the use of an epitrochoidal cam. Linkages which perform approximately straight-line motions can be designed so that they approximate the motion of the center of the generating circle of an orthocycloid.

Copyright © 1960 by ASME
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