1·The programming PFEA approach is researched by square hole flanging, and the result accords with the experimental result from publications.
针对方孔翻边问题进行了编程式参数化有限元法研究，其结果与现有文献试验结果基本吻合；
2·Manufacturing the automobile spoke components is a multi-step stamping forming process, the round-hole flanging often cracks in the last process.
汽车轮辐零件的制作是一个多工步冲压成形过程，在最后一道工序圆孔翻边时经常出现开裂。
3·Influence of the workpieces pre-hole diameters and passes on thick-wall cylinders hole flanging is investigated by experiment and numerical simulation.
采用实验研究和数值模拟的方法，分析了工件预加工孔径和孔型参数对厚壁筒体翻孔工艺的影响。
4·In addition, according to experimental results, slab method in plastic mechanics and material hardening theory, a new formula for hole flanging force is concluded.
另外，根据试验结果，并利用塑性力学中的主应力法和材料硬化理论，推导了一个计算圆孔翻边力的新公式。
5·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。