Design of forming die for shell bulging, upsetting and inner chamfering
JIN Long-jian;Songbo Electric (Shanghai) Co.,Ltd.;
The composite processes that shell bulging, upsetting and inner chamfering were presented. The original process of bulging, upsetting and inner chamfering was finished by a compound die, which decreased a single die and a machining process. It mainly introduced characteristics of working process and die structure. Practical production showed that the die structure was compact and the products were qualified, which provided reference for die design of similar parts.