In designing the progressive die of a precise electron punching part(terminal), necessarily consider some important matters, which are listed at articles, and referred at die's design and audit, to perfect die's structure much more.

Micro abrasive jet machining for precision components finishing;

Research on the Cleaning Technology and Equipment for Precision Parts;

Research on the construction of punching part manufacturability eveluation model faced to DFM;

This paper analyzes the processing characteristics and costs of stamping parts,establishes their mathematical model and evaluation method of economic evaluation,and realizes the economic evaluation of the rough layer,feature layer and part layer by Visual Basic6.