Determining the Coefficient of Friction for Rolling Disks

[+] Author and Article Information
D. H. Offner, N. Tomita

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, Urbana, Ill.

J. of Lubrication Tech 100(1), 25-30 (Jan 01, 1978) (6 pages) doi:10.1115/1.3453108 History: Received October 20, 1976; Revised March 08, 1977; Online October 20, 2010


A method and testing device for determining a coefficient of friction for rolling disks is described. The method equates the energy of rolling resistance to the change in potential energy of a moving system. The experimental results of applying this method to steel, aluminum, and plexiglass disks of 3.8, 2.5, and 1.7 cm radii and 1 cm width rolling on steel and aluminum bases are summarized. An empirical relationship between the coefficient of friction and energy of surface deformation is presented. Use of device for determining the static coefficient of friction for impending rolling and sliding of disks is discussed.

Copyright © 1978 by ASME
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