A Geared 2-dof Mechanical Function Generator

[+] Author and Article Information
D. B. Dooner

Department of Mechanical Engineering, University of Puerto Rico at Mayagüez, Mayagüez, Puerto Rico 00681-9045

J. Mech. Des 121(1), 65-70 (Mar 01, 1999) (6 pages) doi:10.1115/1.2829431 History: Received December 01, 1997; Revised December 01, 1998; Online December 11, 2007


A variable-non-circular gear pair is introduced to achieve 2-dof (degree of freedom) function generation. Included is a mechanism where two independent input parameters (angular positions) uniquely determine the angular position of an output axis. Basic kinematic relationships necessary to parameterize the variable noncircular gear pair are presented. The mobility of the mechanism is considered by addressing the kinematic structure of the mechanism. An illustrative example is included where the functional requirements are specified and a graphical display of the corresponding variable-non-circular gears used to satisfy these requirements is presented.

Copyright © 1999 by The American Society of Mechanical Engineers
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