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How to control of the process conditions of anodizing aluminum process?

1, The relationship between the temperature and the voltage of the solution.

The lower the temperature of the solution within the rated range, the higher the voltage required. Because the temperature of the solution is low, the formation speed of the oxide film is relatively slow, and the film is dense. In order to obtain certain thickness oxide film, anodizing aluminum process needs to raise voltage. When the temperature of the solution is higher, the dissolution rate of the oxide film is increased, and the oxide film formed is loose. the quality of oxide film can be improved by reducing the voltage.

2, The relationship between temperature and time of anodizing aluminum solution.

The lower the temperature of the anodizing aluminum solution, the longer the anodization time is required. Because the temperature of the anodizing aluminum solution is low, the formation rate of the oxide film is slow. When the temperature of solution increases, the formation rate of oxide film is accelerated. At this time, the anodic oxidation time should be shortened, otherwise the coating will be dissolved due to the increase of the outer layer resistance of the oxide film, cause the change of the size of the workpiece and the phenomenon of the surface roughness of the surface.

The above measures are only emergency measures taken under conditions of neither cooling equipment nor heating device.


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Contact: Lucy

Phone: 13923863750

E-mail: lucy.dian@zhiqiang-mfg.com

Whatsapp:0086-13923863750

Add: No.16-2, Xiantian area,Fuyong Sreet, Baoan District,Shenzhen

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