What should Pay Attention to Aluminum Sheet Processing?
Aluminum sheet is simple to crack after bending, or perhaps burst after bending through anodic oxidation, so how to not crack it? The following are some of the main causes and precautions for cracking after bending aluminum sheet:
1. Aluminum plate hardness: aluminum plate hardness is too high, it is simple to crack. This requires the selection of good aluminum, mainly depending on the aluminum trademark and condition. Usually 1 series, 3 series, 5 series of comparison commonly used; 6 series, 7 series of hardness is too high, to do annealing treatment to O state before good bending. There is also the quality of the aluminum plate, the same type of aluminum plate imported material than domestic material is not simple to crack, but the price of the material is also a lot more expensive.
2. The thickness of the aluminum plate: too thick aluminum plate is not good bending, try to use a thin aluminum plate.
3. Bending R angle size: the larger the bending R angle, the higher the success rate, so try to adjust the bending R angle as large as possible.
4. Aluminum plate texture direction: bending direction should be straight with the aluminum plate texture direction, not parallel.
5. The need to draw the aluminum plate parts, in the case of the process promised the best bending and then pull the shape, otherwise it will add the probability of bending and cracking.
The above aspects of comprehensive treatment, aluminum bending cracking questions will be better dealt with.
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