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RESEARCH PAPERS

A Deep Drawing Test for Determining the Punch Coefficient of Friction

[+] Author and Article Information
S. Rajagopal

Metalworking Technology, IIT Research Institute, Chicago, Ill. 60616

J. Eng. Ind 103(2), 197-202 (May 01, 1981) (6 pages) doi:10.1115/1.3184475 History: Received July 01, 1980; Online July 30, 2009

Abstract

A deep drawing test is described for measuring the coefficient of friction between the cylindrical surfaces of the punch and the cup wall. The test is based on an analysis of the stress system in the cylindrical region of contact. Experimental data are presented for steel and aluminum blanks deep-drawn into cups under different lubrication conditions, and the advantages and limitations of the method are discussed.

Copyright © 1981 by ASME
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