RESEARCH PAPERS: Power Transmission Papers

Crowned Spur Gears: Methods for Generation and Tooth Contact Analysis—Part I: Basic Concepts, Generation of the Pinion Tooth Surface by a Plane

[+] Author and Article Information
F. L. Litvin, J. Zhang

Department of Mechanical Engineering, University of Illinois at Chicago, Chicago, Illinois 60680

R. F. Handschuh

NASA Lewis Research Center

J. Mech., Trans., and Automation 110(3), 337-342 (Sep 01, 1988) (6 pages) doi:10.1115/1.3267467 History: Received October 01, 1988; Online November 19, 2009


A topology of crowned spur pinion tooth surface that reduces the level of transmission errors due to misalignment is proposed. The geometry of the deviated pinion tooth surface and regular gear tooth surface, along with tooth contact analysis is discussed. Generation of the deviated pinion tooth surface by a plane whose motion is controlled by a five-degree-of-freedom system is proposed. Numerical results are included and indicate that transmission errors remain low as the gears are misaligned.

Copyright © 1988 by ASME
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