How to solve the uneven color of the oxide film of aluminum steel plate
What causes the uneven color of the aluminum oxide film? Specifically, there are three main issues:
(1) The workpiece area of the aluminum plate is too large, the swing in the groove is too large during operation, and the contact, renewal and exchange between the edge and the center part and the solution are too different, resulting in inconsistent color of the oxide film. Prevention method: When the aluminum plate is oxidized, the swing of the workpiece should be small, and static treatment is also possible, but when the temperature of the solution is too low, map-shaped spots are prone to appear, which is unnatural.
Aug 04, 2022
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