There are a variety of punching processing of raw materials used, their performance is very different, it must be based on the performance and characteristics of the raw materials, the use of different stamping process parameters and mold structure, in order to achieve the purpose of the stamping process. Because people have a more in-depth understanding of the deformation behavior of the process of sheet metal blanks stamping, has been quite clear to establish the relationship between the material properties and stamping the decision by the chemical composition of raw materials, and organizational factors, which makes raw material production sector not only in accordance with the requirements of the stamping working conditions with the use of raw materials, but also according to the stamping process of sheet performance requirements of new materials development work, which is the stamping technology is an important direction in the study of raw materials . Stamping raw material stamping performance of the work:

(1) the meaning of raw materials, stamping performance.

(2) to determine the raw materials, stamping performance of the scientific method to determine the parameters can reflect materials stamping performance, establish a relationship between the press performance parameters and the actual metal forming and stamping performance parameters and test methods.

(3) to establish the chemical composition of raw materials, the relationship between the organization and the manufacturing process and stamping performance.
    
Stamping of raw materials used a variety of metal and nonmetal plate. Sheet metal, including the black variety of technical and non-ferrous metal plate. Stamping, used in many types of sheet metal, but most of all raw materials are steel, stainless steel, aluminum alloy plate, and a variety of complex sheet metal.



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