Upper-Bound Solutions of Some Axisymmetric Cold Forging Problems

[+] Author and Article Information
J. Y. Liu

Research Laboratory, SKF Industries, Inc., King of Prussia, Pa.

J. Eng. Ind 93(4), 1134-1144 (Nov 01, 1971) (11 pages) doi:10.1115/1.3428053 History: Received August 03, 1970; Online July 15, 2010


A new velocity field for the forging of some cylindrical workpieces is presented taking into account the bulging of the free cylindrical surface during deformation. The velocity field is more realistic than that proposed by Avitzur in that the physical boundary and continuity conditions are satisfied. Numerical results indicate that the current analysis improves upon previous solutions published in the literature.

Copyright © 1971 by ASME
Topics: Forging , Deformation
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