The strain distributions and strain histories in the axisymmetrical sheet metal forming process have hitherto been difficult to study owing to the lack of a succinct system of representation. The use of a triangular coordinate system to represent the strains in axisymmetrical sheet metal products is explained. Strain distributions and strain paths in sheet steel products are presented for processes involving variations in blank diameter, load on the pressure plate and punch profile radius. It is shown, by studying the growth of draw-in, that the effect of an increase in blank diameter is the same as that of increasing the load on the pressure plate. The various effects of a change in the punch profile radius are also discussed through the diagrams showing the strain distributions and strain paths.
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November 1974
This article was originally published in
Journal of Engineering for Industry
Research Papers
A Study of the Strain Distributions and Strain Histories in Axisymmetrical Stretch-Forming
T. C. Hsu
University of Aston, Birmingham, England
P. K. Lee
University of Aston, Birmingham, England
J. Eng. Ind. Nov 1974, 96(4): 1277-1284
Published Online: November 1, 1974
Article history
Received:
August 2, 1973
Online:
July 15, 2010
Citation
Hsu, T. C., and Lee, P. K. (November 1, 1974). "A Study of the Strain Distributions and Strain Histories in Axisymmetrical Stretch-Forming." ASME. J. Eng. Ind. November 1974; 96(4): 1277–1284. https://doi.org/10.1115/1.3438507
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