Geometry of Contact and Hertzian Stress Analysis of Frictional Coupling Elements of Multidisk Stepless Transmission With Initial Point Contact

[+] Author and Article Information
S. A. Lukowski, P. W. Claar

Department of Mechanical Engineering, University of Wisconsin—Platteville, Platteville, WI 53818

L. A. Medeksza

Department of Mechanical Engineering, Gannon University, Erie, PA 16541

J. Mech. Des 113(4), 416-421 (Dec 01, 1991) (6 pages) doi:10.1115/1.2912798 History: Received October 01, 1990; Online June 02, 2008


This paper presents an analysis of the contact stresses and the contract area of mating disks in frictional transmission. Hertz’s formulations are adopted to determine the maximum contact stresses as well as the size of the contact area resulting from elastic deformation due to clamping force. Hertz’s formulations are expressed in terms of geometrical features of the active surface of mating disks. The obtained relationships can be readily applied for quantitative estimation of the contact stresses and the contact area parameters for different range of transmission ratio. Samples of numerical results are presented in graphical form.

Copyright © 1991 by The American Society of Mechanical Engineers
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