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What to pay attention to aluminum alloy stamping

  • Categories:Industry News
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  • Time of issue:2020-06-09 10:08
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(Summary description)Aluminum alloy stamping, because of its relatively low hardness compared to iron, is easy to break and is expensive. Therefore, when making molds from aluminum alloy materials, you should pay attention to the following issues:

What to pay attention to aluminum alloy stamping

(Summary description)Aluminum alloy stamping, because of its relatively low hardness compared to iron, is easy to break and is expensive. Therefore, when making molds from aluminum alloy materials, you should pay attention to the following issues:

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2020-06-09 10:08
  • Views:
Information
Aluminum alloy stamping, because of its relatively low hardness compared to iron, is easy to break and is expensive. Therefore, when making molds from aluminum alloy materials, you should pay attention to the following issues:
The first is that without affecting the number of processes, the punching process should be ranked as far back as possible. Even for molds with a large number of punching, it is preferable to add an additional process, and the punching process should be ranked last.
The second is that the hardness of the aluminum material is relatively soft, and the mold is easy to block the material. Therefore, when designing the gap between the molds, the gap should be 10% of the thickness of the bilateral material. The straight depth of the knife is 2 mm, and the taper is 0.8. To 1 degree.
The third is that the aluminum raw material needs to be attached with a PE film during bending. This is because aluminum material is prone to produce aluminum scraps during bending. These aluminum scraps will cause damage to the workpiece, and processing defects such as point injuries and indentation will occur. The presence of PE film can reduce the damage of the workpiece. In the case of rollers and electroplating, the forming block is preferably polished hard chrome plated.
The fourth is that for the subsequent stamping parts that need to be anodized, the flattening and flattening process cannot completely press the product, otherwise the acid spitting phenomenon will occur in the anodizing process, and a 0.2 to 0.3 mm gap needs to be left so that The acid can flow out smoothly and in time. Therefore, it is necessary to make a limit block in this process and calibrate the mold height on the mold.

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