在解决大型复杂形状冲压件，尤其是汽车覆盖件的冲压生产技术问题时，圆网格方法已卓有成效。
Circular grid method appears effective in solving technological problems of large stamping components with complex shape especially of automotive panel.
在轿车冲压件成形分类的基础上，提出了新的冲压级别评定方法。
According to the forming classification of punch-formed car components, the new method for evaluating stamping grade was put forward.
具有特殊斜面的冲压件展开尺寸计算在众多的冲压工艺书籍和模具设计手册中鲜有论述，在实际工作中是个难题。
Calculation of development size of pressing with special incline is not discussed in many press technology books and die design manuals, and it is a difficult problem in real working.
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