The PVD film of the vacuum coating machine can be directly plated on stainless steel and cemented carbide
At this stage, PVD coating cannot replace chemical plating. In addition to PVD coating directly on the surface of stainless steel, it is also necessary before PVD coating is applied to workpieces of many other materials (such as zinc alloy, copper, iron, etc.) Chemical chromium plating (chromium). PVD coatings are mainly used in some high-end hardware products. For lower-priced hardware products, usually only electroless plating is used instead of PVD coating. PVD coating technology has high hardness, high wear resistance (low friction coefficient), good corrosion resistance and chemical stability, and the coating has a longer service life; at the same time, the film can greatly improve the appearance and decoration performance of the workpiece.
PVD film can be directly plated on stainless steel and cemented carbide. For zinc alloy, copper, iron and other die castings, electroless chromium plating should be carried out first, and then PVD electroplating should be carried out. PVD coating technology is an environmentally friendly surface treatment method that can truly obtain micron-level pollution-free coatings. It can prepare various single metal films (such as aluminum, titanium, zirconium, chromium, etc.), nitride films (tin [titanium gold], ZrN [zirconium gold], CrN, TiAlN), carbide films (TIC, TiCN) and Oxide film (such as TiO, etc.). The thickness of the PVD coating is microns, and the thickness is relatively thin, generally 0.1μm to 5μm. The thickness of the decorative coating is generally 0.1μm~1μm. Therefore, the various physical and chemical properties of the surface of the workpiece can be improved almost without affecting the original size of the workpiece, and the size of the workpiece can basically remain unchanged, without further processing after plating.
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