A lower die Angle means a better hardness.
模具转角越小,显微硬度越高。
Die match tolerances are to allow for shift in the upper die with respect to the lower die.
锻模的配合公差是为了允许上模能根据下模替换。
The structure and composition of work area of blanking lower die were discussed in this paper.
讨论了冲裁凹模工作部分的结构组成。
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