Finite Element and Experimental Studies of Creep at the Interface of Press Fitted Gears-Shafts Connections

[+] Author and Article Information
N. Okamoto, N. Tanaka

Mechanical Engineering Research Laboratory, Hitachi, Ltd. 502 Kandatsu, Tsuchiura, Ibaraki 300 Japan

M. Nogami

Hitachi Tsuchiura Engineering, Co. Ltd. 603 Kandatsu, Tsuchiura, Ibaraki 300 Japan

J. Mech. Des 118(4), 568-572 (Dec 01, 1996) (5 pages) doi:10.1115/1.2826930 History: Received February 01, 1996; Revised June 01, 1996; Online December 11, 2007


It is shown experimentally that relative movement of shrink-fit connections occurs on mating surfaces even if the transmitting torque does not exceed the static frictional torque. However, there is a transmitting torque threshold below which no relative movement occurs. The experimental thresholds agree well with predictions from theoretical calculations of the slip model, which is based on the numerical results of shear stress variation along the interface and on Coulomb’s law of friction.

Copyright © 1996 by The American Society of Mechanical Engineers
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