Factors affecting the depth of draw in a cold-forming operation
- 1 September 1970
- journal article
- research article
- Published by Taylor & Francis in Journal of Macromolecular Science, Part B
- Vol. 4 (3) , 687-700
- https://doi.org/10.1080/00222347008229382
Abstract
Stamping of a flat sheet into a hollow, seamless item involves tensile, frictional, bending, and compressive effects. A quantitative analysis of stresses developed in the sheet during such a “deep drawing” operation is presented indicating that the maximum depth of draw depends on the ratio of tensile stress and compressive yield stress in the plane of the sheet. Several materials are examined and their performance in deep drawing analyzed in terms of proposed criteria for deep drawing. Techniques are discussed which can be used to increase the depth of draw of polymeric material.Keywords
This publication has 4 references indexed in Scilit:
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- Cold flow of glassy polymers. III. Temperature dependence of yield elongation in BPA polycarbonateJournal of Macromolecular Science, Part B, 1967
- Cold flow of glassy polymers. II: Ductility, impact resistance, and unoccupied volumeJournal of Macromolecular Science, Part B, 1967
- Cold flow of glassy polymers. I. Effect of internal stressJournal of Polymer Science Part B: Polymer Letters, 1967