Which Dongguan hardware stamping technology manufacturer is strong? -I only recommend hardware

Most small metal stamping products are not final consumer products. Rather, they are used as industrial manufacturing supporting products, semi-finished products, and tools used in the production process. 'Small metal stamping parts' is not an existing industry category, but a cross combination of the above-mentioned metal products-metal stamping products. In the entire manufacturing industry, the responsibility of ‘small metal stamping parts’ is to provide manufacturing enterprises with parts and production tools, rather than as end-use industry-specific equipment. Hardware tells you the technical requirements of metal stamping parts: 1. Chemical analysis and metallographic inspection analyze the content of chemical elements in the material, determine the level and uniformity of the material grain size, and evaluate the free cementite, band structure and non-metal in the material The level of inclusions, check material shrinkage, porosity and other defects. 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 due to other reasons, the metal stamping parts manufacturer can select raw materials for re-inspection as needed. 3. Formability test Perform bending test and cupping test on the material to determine the work hardening index n value and plastic strain ratio r value of the material. In addition, the steel plate formability test method can be in accordance with the thin steel plate formability and test method. get on. 4. Hardness testing The hardness testing of metal stamping parts adopts Rockwell hardness tester. Small and complex hardware samples are sampled in 2 days, shipped in 3 days, and prototyped in 4 days. The world's 1500 companies choose the Fortune 500 companies. Partners such as China Mobile, Hitachi, and Mobike are your trustworthy partners. Choice. Welcome to consult