Fatigue Life and Traction Modeling of Continuously Variable Transmissions

[+] Author and Article Information
George K. Nikas

Tribology Section, Mechanical Engineering Department, Imperial College of Science, Technology and Medicine, Exhibition Road, London SW7 2BX, England

J. Tribol 124(4), 689-698 (Sep 24, 2002) (10 pages) doi:10.1115/1.1491976 History: Received December 11, 2001; Revised April 16, 2002; Online September 24, 2002
Copyright © 2002 by ASME
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Grahic Jump Location
Basic geometry and kinematics of the toroidal CVT variator
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Flow chart of the model
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Effect of contact load (smooth contact; variable: P)
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Effect of slide-roll ratio (smooth contact with p0=1.5 GPa; variable: ur)
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Effect of ellipticity ratio (smooth contact; variable: ry,r)
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Effect of surface roughness (p0=1.5 GPa)
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Effect of traction fluid bulk temperature (smooth contact; p0=1.5 GPa)



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