Development of forming process for deep drawing of square cup with optimized blank holder pressure
Hongsheng Zhang,
Siji Qin
Abstract:A novel segmental blank holder technique was developed to apply BHF on sheet metal, in which the binder was divided into double rings to apply blank holding force (BHF) independently and effectively on different flange regions. Firstly, the holding principles were expatiated by theoretical derivation. The results show that the BHF can be applied on different radial areas independently. Then The reasonable of segmental blank holder technique was proven by forming simulation. the distribution of BHF applied by t… Show more
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