Time:2023-02-15 Preview:
From the perspective of stamping parts processing, the mechanical surface quality and thickness tolerance of the stamping material should meet the following basic requirements:
1. The material should have enough plasticity. In order to improve the quality and size and accuracy of the tailor section, the hardness is low. Among them, soft materials (such as brass) have good stamping characteristics, while hard materials (such as stainless steel and medium -carbon steel) stamping cross section are poor, and brittle materials are easy to tear when stamping.
2. Customized bending materials for precision hardware processing should have sufficient plasticity, high yield strength and strong elastic mold. Among them, good plastic materials are not easy to bend and crack, and the yield is low in the yield strength and strong elastic molds.
3. The tensile material should have good plasticity, high yield strength and hardness and large thickness direction index. Among them, it is difficult to stretch with strong hardness; materials with small or thick direction indexes are easy to stretch.
During the stamping process, the error requirements of the material's thickness are relatively strict. This is because a certain mold gap suitable for stamping a certain thickness material. If the same mold gap is used to suppress the material with a large thickness difference, the quality and accuracy of the workpiece will be reduced, and the mold will be easily damaged. Especially in the process of stretching, edging and bending, uneven thickness of the material may lead to the production of waste. When forming a large workpiece, it even damaged the pressure machine.
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