革去 U n i ve rs it y 82-3 Dimension and tolerance 冲凸、凹棋刃口尺守及制造公差的计 1 Formula of dimension calculation 刃口计算原则 (1) Calculation base 选择计算基准§2-3 Dimension and tolerance 冲裁凸、凹模刃口尺寸及制造公差的计算 1、Formula of dimension calculation 刃口计算原则 (1)Calculation base 选择计算基准