According to the side cover structure characteristics of table model computer box, determined the progressive die and the singleoperationdie.
根据台式电脑机箱侧盖的结构特性，确定了级进模与单工序模相结合的工艺方案。
2
Use constructional type of progressive dies, change present one step operation of singledie construction for two-step blanking, i. e, first step semi-blanking, second ejecting material.