Optimization of segmented variable blank holder force for minimizing the thickness variation in deep drawing

2016 ◽  
Vol 2016.12 (0) ◽  
pp. 1209
Author(s):  
Hiroki KOYAMA ◽  
Satoshi KITAYAMA ◽  
Kiichiro KAWAMOTO ◽  
Takuji MIYASAKA ◽  
Takuya NODA ◽  
...  
Keyword(s):  
Deep Drawing ◽  
Thickness Variation ◽  
Blank Holder Force ◽  
Blank Holder ◽  
Variable Blank Holder Force

Research on Deep Drawing with Multi-Point Variable Blank-Holder Force Controlling by Computer

2012 ◽  
Vol 472-475 ◽  
pp. 645-648
Author(s):  
Ming Ming Ding ◽  
Yong Huang ◽  
Yu Qing Shi
Keyword(s):  
Deep Drawing ◽  
Low Cost ◽  
Hydraulic Press ◽  
Blank Holder Force ◽  
Blank Holder ◽  
Variable Blank Holder Force ◽  
Blank Holding Force ◽  
Working Principle ◽  
Cylindrical Cup ◽  
Set Up

On the basses of analyzing the defects of variable blank holder force hydraulic press on construction and its rigid being not enough,the realization of designing method,working principle,hydraulic and system for ne controlling w type upper multi-point deep drawing with variable blank—holding force controlled by computer was introduced.In order to verify the effect of application of this set up,the testing results of deep drawing a rectangular box and a cylindrical cup formed component was presented. The results show that the equipment has low cost, general in using and optimal efficient of controlling.

318 Optimization of variable blank holder force trajectory in deep drawing process

2016 ◽  
Vol 2016.53 (0) ◽  
pp. _318-1_-_318-5_
Author(s):  
Hiroki KOYAMA ◽  
Satoshi KITAYAMA ◽  
Takuya NODA ◽  
Ken YAMAMICHI ◽  
Kiichiro KAWAMOTO
Keyword(s):  
Deep Drawing ◽  
Drawing Process ◽  
Blank Holder Force ◽  
Blank Holder ◽  
Deep Drawing Process ◽  
Variable Blank Holder Force
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