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What are the material requirements for Dongguan metal stamping parts?

Source of information:internet Published on:2021-05-14

1. The materials used for punching of Dongguan metal stamping parts should have sufficient plasticity and low hardness to improve the quality and dimensional accuracy of the punching section. Among them, soft materials (such as brass) have good punching performance, hard materials (such as stainless steel, high-carbon steel) have poor punching section quality, and brittle materials are prone to tearing during punching.
2. The material used for bending should have sufficient plasticity, low yield strength, and high elastic modulus. Among them, materials with good plasticity are not easy to bend and crack, and materials with lower yield strength and higher elastic modulus have lower rebound.
3. The material used for deep drawing should have better plasticity, lower yield strength and hardness, and larger plate thickness directivity coefficient. Among them, materials with high hardness are difficult to be deep-drawn; materials with a small yield ratio or a large directional coefficient of plate thickness are easy to be deep-drawn.
4. The surface of the material should be smooth and clean, free of scratches, scratches and other defects, so as not to affect the appearance quality of the product, and it is convenient for stamping processing, welding, spraying and other subsequent processing.
5. The thickness tolerance of the material should meet certain requirements: if the thickness of the material is out of tolerance, it will not only directly affect the stamping quality of the product and the life of the mold, but also produce waste or damage the mold.
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