RESEARCH PAPERS: Power Transmission and Gearing Papers

Belt Forces and Surface Model for a Cloth-Backed and a Rubber-Backed Flat Belt

[+] Author and Article Information
H. Kim, K. M. Marshek

Department of Mechanical Engineering, The University of Texas at Austin, Austin, Texas 78712

J. Mech., Trans., and Automation 110(1), 93-99 (Mar 01, 1988) (7 pages) doi:10.1115/1.3258912 History: Received August 01, 1987; Online November 19, 2009


The normal and tangential belt forces for two types of flat belts are measured and compared. From friction theory, it was assumed that the actual contact area A a is proportional to normal pressure p ; i.e., A a αp n . For a flat belt with cloth backing, the n =2/3 is obtained for the belt surface contact model. For a flat belt with rubber backing, which is used for power transmission, the n = 0.9 to 1.0 is suggested as a surface model. Different friction surfaces, construction materials, and geometries for the two belts resulted in different contact patterns and different friction characteristics.

Copyright © 1988 by ASME
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