The common surface treatment in sheet metal is:
By electrolysis, a good metal cladding is deposited on a mechanical product, with a thinner thickness ranging from a few microns to dozens of microns. Its role is mainly decorative protection performance, in addition to repair wear and so on.
(2) powder injection
It is the coating of the workpiece, the surface of the workpiece to form a coating, the way, there is electrostatic spray and so on. The corrosion resistance of the coating obtained is very good.
It is through electrophoretic, making the surface of the workpiece to produce paint film, its main processing of metal sheet metal surface treatment do you know? The point is that the coating is even and plump, smooth and smooth, and its hardness, adhesion, corrosion resistance and impact resistance are better than other coating processes. In addition, it has high efficiency and can realize automatic continuous production. However, it also has shortcomings, mainly management is more complex, the construction conditions are strict, and the waste water treatment should also be carried out. Moreover, it is suitable for the production of fixed color.
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