(1) This paper will introduce the progressive die of the commutators for micromotor.

(2) This paper will introduce progressive die of the commutators for micromotor.

(3) Advance design of non - scrap punching progressive die gets analyzed blank layout of the part is determined.

(4) The design of a multi - station progressive die of fixed clamp has been presented.

(5) The lead wire parts multi-position progressive die is introduced, the method of multi-units strip material cutting off is stated, and a novel guide pin structure is introduced.

(6) A type of new progressive die including blanking, bending and forming is introduced.

(7) The graphic expert system of progressive die strip possess the expression of graphic knowledge, inference, graphic model and imput model.

(8) The paper introduces how to use multi station progressive die with high precision to manufacture stator core and rotor core of square stepping dynamotor .

(9) A processing plan of progressive die stamping for chain element was established according to the shape, dimensions of the part and requirements for production.

(10) The general structure and the stock layout design proposal of the progressive die were introduced.

(11) Through analyzing on the structure characteristics of the spring piece, designed a automatic feed progressive die.

(12) Analyzed forming process of the reverse-gear shifting fork used in automobile, designed a progressive die, introduced die structure, hoped it has a certain reference to the similar parts die design.

(13) Middle small type metal plate precision die, dynamo silicon steel progressive die, multi-stations transmission die.

(14) After an analysis on the manufacturability of ball chuck plate, a particular progressive die, including its structure and layout design, was developed.

(15) It also intro duces the die structure design and its character for multi - station progressive die.

(16) The manufacturability of stamping for the rock arm was analyzed. The general structure and the stock layout design proposal of the progressive die were introduced.