The reason for the wave formation of aluminum plates

The reason for the wavy in the middle of the aluminum plate is that

During the process of impurities, the middle part stretches more than the edge;

The measure is to change the roll crown, strengthen cooling, and reduce the roll deflection to change the middle wave.

The reason for the wave at 1/4 of the aluminum plate is that

The roll deformation caused by rolling and the improper roll thermal crown are combined, which extends from the horizontal edge to the middle part.

The measure is to effectively combine the rolling roughness and control the cooling degree of different areas of the roll, which can improve the wave at 1/4 of the aluminum plate.

The short-term buckling of the aluminum plate is due to

Uneven lubrication and cooling;

Improper roller shape control of the gate roller.