RESEARCH PAPERS: Mechanisms Papers

An Analytical and Experimental Study of the Prediction of Impacts in Planar Mechanical Systems With Clearances

[+] Author and Article Information
S. Dubowsky, M. Norris

Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139

E. Aloni, A. Tamir

Ministry of Defense, Hiafa, POB 2250, Israel

J. Mech., Trans., and Automation 106(4), 444-451 (Dec 01, 1984) (8 pages) doi:10.1115/1.3258592 History: Received June 13, 1984; Online November 19, 2009


Impacts within the clearances of machines can seriously degrade their performance. Past criteria proposed to predict the system configurations for which impacts will not occur do not consider the connection properties. Here, a simple system with clearance, called an Impact Ring Model, IRM, is studied analytically and experimentally. The results show that connection properties can plan an important role in the occurrences of impacts, and hence should be included in impact prediction criteria. A criterion, the Impact Prediction Number (IPN) which correctly predicts the trends found in this study is discussed.

Copyright © 1984 by ASME
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