薄壁管端头弧口冲切凸模几何参数的分析

Geometric Parameters Analysis of the Punch in Stamping Die of Thin wall Pipe with Arc shaped End

介绍了薄壁管端头弧口冲切工艺，应用矢量分析方法研究了冲切模具中凸模的几何形状参数，根据满足最小冲切变形力的条件得出了凸模几何形状参数计算公式。经实际生产验证，所得结论是正确的。

The punching technology of thin wall pipe with arc shaped end is described.The geometric parameters of the punch are also analyzed by vector analysis method.By minimizing the deformative force,the formula on how to calculate the parameters is derived.The result is proved to be correct by actual experiment.