Defects in the extrusion process of aluminum alloy profiles

In the extrusion process of aluminum alloy profiles, common defects include surface scratches, bubbles and cracks. Surface scratches are usually caused by mold wear or improper operation, and the mold needs to be inspected and maintained regularly. The generation of bubbles may be related to the smelting and casting process of aluminum liquid, and it is crucial to ensure the quality of aluminum liquid. Cracks may be caused by excessive extrusion temperature or excessive speed. These parameters should be strictly controlled during the production process to ensure the quality of the profile.