Calculation of Clearances in Soft Point Contacts

[+] Author and Article Information
C. J. Hooke

Department of Mechanical Engineering, The University of Birmingham, Birmingham, B15 2TT, U.K.

J. Tribol 110(1), 167-173 (Jan 01, 1988) (7 pages) doi:10.1115/1.3261558 History: Received February 19, 1987; Online October 29, 2009


The clearances in highly deformed contacts are formed in a narrow region on the upstream side, are convected through the contact with little change and emerge downstream where a restriction forms in a narrow exit zone. The paper describes how this behavior simplifies the lubrication analysis. Expressions for the minimum film thickness under point contacts are obtained for the elastic isoviscous regime.

Copyright © 1988 by ASME
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