The Transport and Breakdown of Solid Lubricants in a Simple Forging Operation

[+] Author and Article Information
W. R. D. Wilson

Department of Mechanical Engineering, University of Massachusetts, Amherst, Mass.

S. Lak

Department of Machine and Tool Design, Springfield Technical Community College, Armory Square, Springfield, Mass.

J. of Lubrication Tech 99(2), 230-234 (Apr 01, 1977) (5 pages) doi:10.1115/1.3453030 History: Received April 19, 1976; Revised June 11, 1976; Online October 20, 2010


Aluminum alloy workpieces of different roughness, lubricated with graphite, P.T.F.E., lead or polyethylene, were upset between overhanging dies. Measurements of the width of the unlubricated zone formed at the workpiece edge indicated that the rates of outward transport of the lubricants were increased by roughening the workpiece. This was in agreement with a simple analytical model of the lubrication process.

Copyright © 1977 by ASME
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