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带锥形压边圈的压延模是普通压延模的改型,可以提高变形程度20％左右。其加工过程是边圈在双动冲床外滑块或普通冲床缓
The calender mold with conical blank holder is a modification of the ordinary calender mold and can improve the degree of deformation by about 20%. The processing is the edge of the ring in the double-action punch outside the slider or ordinary punch slowly