Dynamic Loading of Synchronous Belts

[+] Author and Article Information
Tomas Johannesson

Engine Division, Volvo Car Corporation, SE-405 08 GÖTEBORG, Swedenemail: tomas.johannesson@hq.vcc.volvo.se

Martin Distner

WM-data Caran, Vädursgatan 6, P.O. BOX 5445, SE-402 29 GÖTEBORG, Swedenemail: madis@wmdata.com

J. Mech. Des 124(1), 79-85 (May 01, 2000) (7 pages) doi:10.1115/1.1426088 History: Received May 01, 2000
Copyright © 2002 by ASME
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Distner, M., and Johannesson, T., 2000, “Measurements of Forces between a Synchronous Belt and a Pulley,” Proceedings of DETC’00 8th International Power Transmission and Gearing Conference, ASME, Baltimore, USA.
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One and a half belt pitch and the discrete multi-body system equivalence
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Seating and unseating conditions for a pitch angle rotation of the pulley. Steps 1–3, left, tooth seating and land area unseating. Steps 4–6, right, land area seating and tooth unseating.
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Comparison of results from the model and the measurements by Karolev and Gold 5. The bottom graph shows the applied torques as function of tooth position.
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Tooth flank normal force for a sudden load change from 0 Nm to 10 Nm at rotation angle Φ=2π rad. Positive forces and torques drive the pulley.
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Tooth flank normal forces, during the load cycle T, calculated with the dynamic model (top) and stepwise with a quasi-static model (bottom). Pd=0.006 mm.
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Tooth flank normal force during one revolution. Pd=0.006 mm. Positive force drives the pulley.
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Friction work for belts with dissimilar pitch differences, one revolution
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Spring model of the interaction between a belt and pulley
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The quantities used for explaining the friction force switches
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Functions for the hyperbolic tangent function switch used in the model and for an ideal switch



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