Common problems of aluminum alloy profiles in industrial production: unqualified size and shape

• Including out-of-size, waves, layers, etc.

• Dimensional deviation may be caused by mold design errors or manufacturing defects, improper mold repair, etc. Waves are the phenomenon of local continuous undulations on the surface of the extruded product along the extrusion direction. Layering is due to the billet surface oil, dust or billet itself has stratification, bubbles and other reasons.