The Evolution of Geometry for a Wearing Circular Cam: Analytical and Computer Simulation With Comparison to Experiment-Reference-Cited by-同舟云学术

The Evolution of Geometry for a Wearing Circular Cam: Analytical and Computer Simulation With Comparison to Experiment

Published:2002-12-31 Issue:1 Volume:125 Page:187-192
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Dickrell D. J.¹,Dooner D. B.²,Sawyer W. G.¹

Affiliation:

1. University of Florida, Mechanical Engineering Department, Gainesville, FL 32611

2. University of Puerto Rico, Mechanical Engineering Department, Mayaguez, PR 00681-9045

Abstract

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.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/125/1/187/5939214/187_1.pdf

Reference5 articles.

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.

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