A model of dry friction tensioner in a belt-pulley system considering transverse belt vibration is developed, and the influence of the dry friction on the system dynamics is examined. The discretized formulation is divided into a linear subsystem including linear coordinates and a nonlinear subsystem addressing tensioner arm vibration, which reduces the dimension of the iteration matrices when employing the harmonic balance method. The Coulomb damping at the tensioner arm pivot mitigates the tensioner arm vibration but not necessarily the vibrations of other system components. The extent of the mitigation varies for different excitation frequency ranges. The critical amplitude of the dry friction torque beyond which the system operates with a locked arm is determined analytically. Superharmonic resonances are observed in the responses of the generalized span coordinates, but their amplitudes are small. The energy dissipation at the tensioner arm hub is discussed, and the stick-slip phenomena of the arm are reflected in the velocity reversals near the arm extreme location. Dependence of the span tension fluctuations on Coulomb torque is explored.
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February 2008
Research Papers
Influence of Tensioner Dry Friction on the Vibration of Belt Drives With Belt Bending Stiffness
Farong Zhu,
Farong Zhu
Department of Mechanical Engineering, Scott Laboratory,
The Ohio State University
, 201 W. 19th Avenue, Columbus, OH 43210-1142
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Robert G. Parker
Robert G. Parker
Department of Mechanical Engineering, Scott Laboratory,
e-mail: parker.242@osu.edu
The Ohio State University
, 201 W. 19th Avenue, Columbus, OH 43210-1142
Search for other works by this author on:
Farong Zhu
Department of Mechanical Engineering, Scott Laboratory,
The Ohio State University
, 201 W. 19th Avenue, Columbus, OH 43210-1142
Robert G. Parker
Department of Mechanical Engineering, Scott Laboratory,
The Ohio State University
, 201 W. 19th Avenue, Columbus, OH 43210-1142e-mail: parker.242@osu.edu
J. Vib. Acoust. Feb 2008, 130(1): 011002 (9 pages)
Published Online: November 12, 2007
Article history
Received:
September 8, 2006
Revised:
April 23, 2007
Published:
November 12, 2007
Citation
Zhu, F., and Parker, R. G. (November 12, 2007). "Influence of Tensioner Dry Friction on the Vibration of Belt Drives With Belt Bending Stiffness." ASME. J. Vib. Acoust. February 2008; 130(1): 011002. https://doi.org/10.1115/1.2775510
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