Basic process requirements for metal stamping parts

Basic process requirements for metal stamping parts

1. The materials used for metal stamping parts should not only meet the technical requirements of product design, but also meet the requirements of stamping process and post-stamping processing requirements (such as cutting, electroplating, welding, etc.).

2. When designing the structural shape of parts for metal stamping parts, it is recommended to use simple and reasonable surfaces (such as planes, cylindrical surfaces, spiral surfaces) and their combinations. At the same time, the number of processed surfaces and the processing area should be as small as possible.

3. Choose a reasonable method for blank preparation in mechanical manufacturing, which can directly use profiles, casting, forging, stamping and welding. The selection of blanks is related to specific production technical conditions, and generally depends on production batches, material properties and processing possibilities.

4. Requirements for metal stamping forming performance. For the forming process, in order to facilitate stamping deformation and improve the quality of parts, the material should have good plasticity, small yield strength ratio, large plate thickness directional coefficient, small plate plane directional coefficient, and a small ratio of yield strength to elastic modulus. For the separation process, the material does not need to have good plasticity, but it should have a certain plasticity. The better the plasticity of the material, the harder it is to separate.

5. Specify the processing costs of parts with appropriate manufacturing accuracy and surface roughness. The processing costs of metal stamping parts will increase with the improvement of accuracy, especially in the case of high accuracy, this increase is extremely significant. Therefore, high accuracy should not be pursued without sufficient basis.