Research Papers

Theory and Experiment of Press Forging Axisymmetric Parts of Aluminum and Lead

[+] Author and Article Information
S. Kobayashi

Doshisha University, Kyoto, Japan

R. Herzog, J. T. Lapsley, Jr., E. G. Thomsen

University of California, Berkeley, Calif.

J. Eng. Ind 81(3), 228-236 (Aug 01, 1959) (9 pages) doi:10.1115/1.4008310 History: Received August 05, 1958; Published August 01, 1959; Online February 20, 2019


The mechanics of finishing in a press-forging operation were analyzed. It was concluded that the metal in the die, as well as that contained in the flash, could be treated as a fictitious disk which is subjected to compression between flat surfaces under variable surface friction. Comparison of experimental average pressures with those predicted by the foregoing simplified theory showed good agreement.

Copyright © 1959 by ASME
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