Jewelry PVD coating machine is a physical vapor deposition equipment specially designed for the jewelry industry, which is used to coat a very thin but high-performance film layer (such as gold, rose gold, black gold, platinum, colored titanium nitride, etc.) on the surface of jewelry.
With its unique working principle and technical advantages, it plays a vital role in modern jewelry manufacturing and surface treatment.
Applications:
High-end decorative film coating of various jewelry, decorations, watches, etc.
Features:
Principle of Physical Vapor Deposition
The entire process mainly involves physical changes and basically does not use harmful chemical solutions.
Low temperature process
Most jewelry PVD coating processes can be completed at relatively low temperatures
This is critical for jewelry materials that are not resistant to high temperatures to avoid deformation of the material or damage to the gemstone.
Rich coating types
By choosing different targets (pure metals such as gold, silver, chromium; alloys; compounds such as TiN, ZrN, TiC, TiCN, etc.) and introducing different reaction gases (such as nitrogen, oxygen, acetylene, etc.), extremely diverse colors and effects can be deposited.
Excellent film performance
High hardness and wear resistance:
Especially ceramic film layers such as titanium nitride, which have a much higher hardness than gold itself, can significantly improve the scratch resistance and wear resistance of the jewelry surface and maintain long-lasting gloss.
Excellent adhesion
The film layer is firmly bonded to the substrate (gold, silver, copper alloy, stainless steel, etc.) and is not easy to peel off.
Good corrosion resistance
Can effectively resist corrosion from sweat, cosmetics, air, etc., extend the service life of jewelry and maintain color.
Good biocompatibility
Commonly used membrane materials (such as titanium, zirconium, gold and their compounds) usually have good biocompatibility and are suitable for skin contact.
Good uniformity and coverage
Even complex shapes (such as ring inner walls, grooves, and fine textures) can achieve relatively uniform coating coverage.
Dense and pure coating
The vacuum environment reduces impurity contamination, and the formed membrane layer has a dense structure, low porosity, and more stable performance.
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