我厂手表壳(铜壳)外型的加工,过去是在铣床上用成形铣刀逐面铣削,生产率低而且光洁度不高。后来尤文华等同志试验成功用冲模冲出,其后又将采用两副修正模分两次修正的方法改为用一副复合修正模一次冲出,使产量和质量都大大提高。现简介如下。一、模具结构 I plant watch case (copper shell) appearance of the processing, the past is in the milling machine with milling cutter face milling, low productivity and finish is not high. Later, Yuhuahua and other comrades successfully punched out with a die, and then use the two amendments to the two-time correction method to a modified with a composite punch out, so that production and quality are greatly improved. Now the introduction is as follows. First, the mold structure