Optimization of initial blank shape and segmented variable blank holder force

2017 ◽  
Vol 2017.54 (0) ◽  
pp. I032
Author(s):  
Hiroki KOYAMA ◽  
Satoshi KITAYAMA ◽  
Kiichiro KAWAMOTO ◽  
Takuji MIYASAKA ◽  
Ken YAMAMICHI ◽  
...  
Keyword(s):  
Blank Holder Force ◽  
Blank Holder ◽  
Variable Blank Holder Force ◽  
Initial Blank ◽  
Blank Shape

Optimization of initial blank shape for deep drawing using variable blank holder force approach

2016 ◽  
Vol 2016.29 (0) ◽  
pp. 014
Author(s):  
Hiroki Koyama ◽  
Satoshi Kitayama ◽  
Kiichiro Kawamoto ◽  
Takuji Miyasaka ◽  
Ken Yamamichi ◽  
...  
Keyword(s):  
Deep Drawing ◽  
Blank Holder Force ◽  
Blank Holder ◽  
Variable Blank Holder Force ◽  
Initial Blank ◽  
Blank Shape

scholarly journals Design optimization of initial blank shape and segmented variable blank holder force trajectories in deep drawing

2017 ◽  
Vol 83 (845) ◽  
pp. 16-00485-16-00485 ◽  
Author(s):  
Kiichiro KAWAMOTO ◽  
Takuji MIYASAKA ◽  
Ken YAMAMICHI ◽  
Takuya NODA ◽  
Satoshi KITAYAMA ◽  
...  
Keyword(s):  
Design Optimization ◽  
Deep Drawing ◽  
Blank Holder Force ◽  
Blank Holder ◽  
Variable Blank Holder Force ◽  
Initial Blank ◽  
Blank Shape

The Analysis on the Stamping Formability of High Strength Steel

2021 ◽  
Vol 885 ◽  
pp. 3-9
Author(s):  
Wen Yu Ma ◽  
Jian Wei Yang ◽  
Ye Yao ◽  
Yong Qiang Zhang ◽  
Jun Zhang
Keyword(s):  
High Strength Steel ◽  
High Strength ◽  
Blank Holder Force ◽  
Blank Holder ◽  
Variable Blank Holder Force ◽  
Automotive Part ◽  
Blank Shape ◽  
Shaped Blank

Recently the high strength steel has been applied in the automotive more and more widely. In this study, the effect of blank shape on the formability of an automotive part was analyzed. The three kinds of blank shapes were chosen, including a rectangular shaped blank, a blank with two corners cut straightly and a blank with two corners cut in curve. The effect of the variable blank holder force on the formability was studied. The four kinds of variable blank holder force were applied. The blank shape in this part is the blank with two corners cut curve. The results show that the blank with two corners curve is the most suitable. And the blank holder force from 1000 kN to 1500 kN is the most useful for the formability.

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