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1·A blanking production technology of the motorcycle bulb was analyzed, and a set of progressive blanking die was designed for the shell.

分析了一种摩托车大灯灯泡前金属外壳的冲压生产工艺，设计了一套级进冲压模具。

2·Through analyzing the forming process of the comer pull buckle part, designed a cutting-bending-blanking progressive die. And introduced die working principle.

通过对转角拉扣五金零件的工艺分析，设计了一款切折弯曲落料级进模，同时对模具工作过程作了介绍。

3·Use constructional type of progressive dies, change present one step operation of single die construction for two-step blanking, i. e, first step semi-blanking, second ejecting material.

用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。

4·Use constructional type of progressive dies , change present one step operation of single die construction for two-step blanking , i.

用级进模结构形式，改现行简单模结构的一工步操作的冲裁为两工步操作：第一工步为半冲裁，第二工步为推料。

5·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.

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。