The results showed that,there is a deformation tendency of drawing, and flanging and the tendency is related to, in the same parameter of die and the same technological conditions,the hole size.

• 试验所获应变分布表明，带孔件在变形过程中存在拉深和翻边两种变形趋向性，在模具参数和工艺条件完全相同的情况下，其可能的变形趋势与孔的尺寸有关。