What is the purpose of controlling the pressure over the rubber membrane in the hydroform or fluid-forming
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Question:
a) To prevent wrinkling or tearing of the sheet during forming.
b) To increase the friction at the punch-cup interface.
c) To obtain deeper draws compared to conventional deep drawing.
d) To reduce longitudinal tensile stresses in the cup.
Related Book For
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
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