The Importance of Traction in Web Handling

[+] Author and Article Information
K. S. Ducotey, J. K. Good

Web Handling Research Center, School of Mechanical Engineering, Oklahoma State University, Stillwater, OK 74078

J. Tribol 117(4), 679-684 (Oct 01, 1995) (6 pages) doi:10.1115/1.2831535 History: Received February 24, 1994; Revised December 28, 1994; Online January 24, 2008


An experimental study shows that the traction coefficient of friction (μT ) is a function of the predicted air film height, the roller and film surface roughness, and the static coefficient of friction between the web and roller. The traction coefficient shows a noticeable decrease as the air film height becomes greater than the equivalent root mean square roughness of the web and roller and also becomes less dependent on the static coefficient of friction.

Copyright © 1995 by The American Society of Mechanical Engineers
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