By the simulating analysis to CAE drawing software, adding draw bead restraining mold is applied on the area of deficient stretching, the eligible products are produced finally by die testing.
Because clastic cushions are used in stretching based on multi-point die, the springback in this process is different from that in traditional solid diestretching process.
采用多点模具拉形时,由于弹性垫的使用,拉形后成形件的回弹量与使用整体模拉形时有所不同。
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Do good to thy friend before thou die, and according to thy ability, stretching out thy hand give to the poor.