The evolution of the geometry of a simple two-dimensional circular cam as a result of wear is studied using three complementary approaches: a closed form analytical expression, a computer simulation, and the development of an experimental apparatus. Experiments were run for over 1.5 million cycles, and measurements of cam shape and follower motion were recorded and compared favorably to the predictions of both techniques. Errors associated with an accelerated computational approach are discussed.
Issue Section:
Technical Papers
1.
Podra
, P.
, and Andersson
, S.
, 1999
, “Simulating Sliding Wear With Finite Element Method
,” Tribol. Int.
, 32
, pp. 71
–81
.2.
Blanchet
, T. A.
, 1997
, “The Interaction of Wear and Dynamics of a Simple Mechanism
,” ASME J. Tribol.
, 119
, pp. 597
–599
.3.
Sawyer
, W. G.
, 2001, “Wear Predictions for a Simple-Cam Including the Coupled Evolution of Wear and Load,” Lubr. Eng., pp. 31–36.4.
Sawyer, W. G., Diaz, K. I., Hamilton, M. A., and Micklos, B., 2001, “Evaluation of an Analytical Model for the Evolution of Wear and Load in a Scotch-Yoke Mechanism,” ASME J. Tribol., submitted to the Journal of Tribology.
5.
Dinc
, O. S.
, Cromer
, R.
, and Calabrese
, S. J.
, 1995
, “Redesigning Mechanical Systems for Low Wear Using System Dynamics Modeling
,” ASME J. Tribol.
, 35
, pp. 1
–8
.Copyright © 2003
by ASME
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