After the stamping parts are processed, we also need to inspect the processed parts and pass them to the user for inspection. So, what aspects do we need toexaminet when inspecting? Here is a brief introduction.
1. Chemical analysis, metallographic examination
Analyze the content of chemical elements in the material, determine the grain size level and uniformity of the material, assess the level of free cementite, banded structure, and non-metallic inclusions in the material, and check for defects such as shrinkage and looseness.
2. Material inspection
The materials processed by stamping parts are mainly hot-rolled or cold-rolled (mainly cold-rolled) metal plate and strip materials. The raw materials of metal stamping parts should have quality certificates, which ensure that the materials meet the specified technical requirements. When there is no quality certificate or for other reasons, the metal stamping parts production plant can select raw materials for re-inspection as required. CNC machining part
3. Formability test
Conduct bending and cupping tests on the material to determine the work hardening index n value and plastic strain ratio r value. In addition, the steel sheet formability test method can be carried out according to the provisions of the thin steel sheet formability and test method. machined part
4. Hardness testing
A Rockwell hardness tester is used to test the hardness of metal stampings. Small, stamped parts with complex shapes can be used to test small planes and cannot be tested on ordinary desktop Rockwell hardness testers.
5. Determination of other performance requirements
Determination of the electromagnetic properties of materials and adhesion to plating and coatings. CNC
Anebon Metal Products Limited can provide CNC machining, die casting, sheet metal machining services, please feel free to contact us.
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Post time: May-05-2020