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How can hollow aluminum pipe be flattened after bending?
Is your material a round aluminum tube with uniform wall thickness? If so, the problem is not complicated;

Do you want to bend a whole circle? Semicircle? Multiple arcs?

If it is smaller than a semicircle, it can be bent with a pipe bender or core pulling;

Full circle and multi-segment arc need profile bending machine, arc bending machine and numerical control roll bending machine.

If the material bending is uneven, it can be solved by adjusting the side bars on both sides of the profile bending machine.

If you don't understand, you can consult the technical staff of Guangzhou Gaopu.