Using the experiment device,the forming process of rectangular box part was studied,and the influences of technology parameters on the critical blank holder force were obtained.
通过该装置进行了矩形盒成形试验研究,获得了工艺参数对压边力影响的规律。
参考来源 - 盒形件法兰起皱临界压边力的试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Elastic rubber method and rigid blank holders were used to apply blank holder force with different methods.
对压边力的控制采用了弹性橡胶控制法和刚性直接控制法。
Using variable blank holder force can remarkably improve the forming performance, and the limiting drawing ratio would reach 5.0.
采用变压边力可以明显提高板材的冲压性能，极限拉深比将达到5.0。
The function of the blank holder force (BHF) as well as its influence on the forming performance and forming accuracy of combined stepped-hole were analyzed.
分析了压边力的作用及其大小对这种复合台阶孔成形性能和成形质量的影响。
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