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。
The numerical simulation result indicates that the variable blank-holder force can improve the formability of box deep drawing.
模拟结果表明,变压边力控制技术可以显著地改善矩形件的成形性能,增加矩形件的拉深极限。
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。
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