In ordinary stamping, when the blank is initially pressed by the punch, it will produce elastic warpage and concave arc surface under the punch. If the gap is moderate and the shearing is carried out in time, the elastic warpage will be basically eliminated. When the gap is too large, the blank is s......
Read MoreCurling is a process commonly used in metal processing, mainly used to curl the edges of metal materials. By curling the edges of metal sheets, not only the structural strength and stability of the product are improved, but also the appearance and safety of the product are improved.
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