Profile Synthesis and Kinematic Analysis of Pure Rolling Contact Gears

[+] Author and Article Information
M. J. Wagner, W. F. Ng, S. G. Dhande

Mechanical Engineering Department, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0238

J. Mech. Des 114(2), 326-333 (Jun 01, 1992) (8 pages) doi:10.1115/1.2916950 History: Received July 01, 1990; Online June 02, 2008


The kinematic analysis of a type of gearing which allows for power transmission between shafts with pure rolling contact is presented. This proposed gearing is helical and exhibits theoretical point contact. Comparisons are made between the proposed gearing and conventional types such as involute gearing and Wildhaber-Novikov circular arc gearing. The analysis of the specific proposed profile includes derivation of surface normal, pressure angle, and surface curvature. Curvatures are used to predict possible interference between mating gear surfaces. A curve showing allowable values for the tooth profile parameters is included.

Copyright © 1992 by The American Society of Mechanical Engineers
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