Micro-Elastohydrodynamic Lubrication of Circumferentially Finished Rollers: The Influence of Temperature and Roughness

[+] Author and Article Information
FdM. Barragan de Ling, H. P. Evans, R. W. Snidle

Division of Mechanical Engineering and Energy Studies, University of Wales College of Cardiff, Cardiff CF2 1XH, U.K.

J. Tribol 111(4), 730-736 (Oct 01, 1989) (7 pages) doi:10.1115/1.3262003 History: Received February 22, 1989; Online October 29, 2009


The paper describes a full elastohydrodynamic lubrication analysis for circumferentially grooved rollers. Isothermal conditions are assumed and the form of the grooves is sinusoidal. Results are presented which show the effect of both temperature (i.e., lubricant viscosity) and amplitude of the roughness upon the distribution of pressure and the film thickness. The operating conditions used in the analysis are representative of those found in disk machine experiments that have been used to simulate scuffing failure of gears.

Copyright © 1989 by ASME
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