根据零件特点设计了一副组合式的冲孔、落料复合模冲压两种产品，介绍了模具结构，论述了组合式纵梁复合模的结构特点。
According to parts character, a pair of assembled punching, blanking compound die punching is designed, die structure is introduced, and assembled carling compound die structure is stated as well.
分析了铝合金厚壁支座的弯曲工艺，计算了弯曲件的展开长度、落料力、冲孔力及弯曲力，阐述了弯曲件的回弹因素及凸凹模之间的间隙，介绍铝合金厚壁支座弯曲模具的结构设计。
The bending technology of the thick-wall supprt of aluminum alloy was analyzed, and the flattening length of bending, blanking force, piercing force and bending force were calculated.
该模具是一副典型的多工位级进模，包括了冲孔、弯曲、落料等工艺，共用了九个工位完成了全部冲压工艺，模具使用简捷方便。
The die is a typical multi-staged progressive die. It includes punching hole, bending, blanking and so on. It USES nine processes to finish the whole process. The die is operated easily.
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