Complex Modal Analysis of a Flat Belt Pulley System With Belt Damping and Coulomb-Damped Tensioner

[+] Author and Article Information
T. C. Kraver, J. J. Shah

Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ 85287

G. W. Fan

3-I Scientific Development Inc., Tempe, AZ 85282

J. Mech. Des 118(2), 306-311 (Jun 01, 1996) (6 pages) doi:10.1115/1.2826885 History: Received July 01, 1994; Revised January 01, 1996; Online December 11, 2007


The effects of damping on rotational vibratory solutions of a multiple pulley—flat viscoelastomeric belt system with rotary arm tensioner is developed. A complex model procedure is developed to solve both underdamped and overdamped cases. This complex modal procedure allows for future extension to include nonsymmetric rotational models, such as transverse belt vibration coupling. The modal solution enables rapid analysis over a spectrum of frequencies. Seven pulley system experimental results reported in the literature support the analytical development. Belt damping has significant vibration and belt tension amplitude effects. Tensioner spring rate and coulomb damping has minor effects.

Copyright © 1996 by The American Society of Mechanical Engineers
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