Belt Vibration Considering Moving Contact and Parametric Excitation

[+] Author and Article Information
M. G. Yue

Machine and Vehicle Design, Chalmers University of Technology, Göteborg, Sweden

J. Mech. Des 115(4), 1024-1030 (Dec 01, 1993) (7 pages) doi:10.1115/1.2919251 History: Received September 01, 1992; Online June 02, 2008


The contacting point between belt and pulley is not fixed but moves along the pulley during vibration and that influences on the free span length of the belt. The concept vibrating length is introduced and that will affect the dynamic behavior of the belt. Parametric excitation can occur through periodic variations in belt tension and speed arising from loading of the pulleys by belt-driven accessories and from engines in automotive applications. Violent oscillations develop and resonance will occur when the frequency of excitation is close to twice or three times the natural frequency for varying tension and speed case, respectively.

Copyright © 1993 by The American Society of Mechanical Engineers
Topics: Vibration
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