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- Title
The effect of using Non-Uniform Blank Holder Force in Deep Drawing process on the thickness distribution along the cup.
- Authors
Younis, Alaa Dahaam
- Abstract
In this paper, a new concept of blank holder in deep drawing is presented. The aim of this study is to predict the wrinkling and thinning (necking) failure through the study of the effect of using constant, variable and non-uniform blank holder force(BHF) between the blank and blank holder on the thickness distribution along the cup (wall, base and nose). Numerical modeling were carried out on various values of blank holder force (BHF) (i.e., Constant-Uniform, Variable-Uniform, Constant Non-Uniform and Variable Non-Uniform). The simulation results shows that the best value of blank holder force were achieved at Variable Non-Uniform type; which gives the smallest difference between maximum and minimum thickness distribution along the cup.
- Subjects
DEEP drawing (Metalwork); NUMERICAL analysis; NECKING (Engineering); TENSILE strength; NON-uniform motion
- Publication
Al-Rafadain Engineering Journal, 2013, Vol 21, Issue 2, p25
- ISSN
1813-0526
- Publication type
Article