PVD, which stands for Physical Vapor Deposition, is a common coating technique used on items such as watches. PVD coatings provide an item with extended durability, scratch resistance, and aesthetic appeal.
Various PVD watch coatings are available, allowing watch makers to customize the look and feel for their designs. Here are some of the popular options:
The right coating depends on the design and characteristics desired by the watch maker. While PVD coatings extend the item's durability and scratch resistance, they may still fade away with extensive use.
llic colors of bronze and copper in various applications, including decorative items, architectural elements, and consumer products.
PVD coatings offer several advantages compared to other types of watch coatings. Here are some key advantages of using PVD coatings:
Overall, PVD coatings offer a combination of durability, aesthetic versatility, and cost-effectiveness, making them a popular choice for watch manufacturers. They provide enhanced protection and visual appeal to timepieces, ensuring that they can withstand daily wear and maintain their appearance for an extended period.
Cathodic arc deposition and magnetron sputtering are two common methods used for DLC coating in the PVD (Physical Vapor Deposition) process. Here's a breakdown of the differences between the two techniques:
Cathodic Arc Deposition:
1. Process: Cathodic arc deposition involves the use of a high-voltage electric arc that is generated between a carbon-based target and the watch case surface.
2. Target Material: The target material in cathodic arc deposition is typically a carbon-based material, such as graphite or amorphous carbon.
3. Vaporization: The electric arc vaporizes the carbon-based target material, creating a plasma plume consisting of highly ionized carbon species.
4. Deposition: The plasma plume is directed towards the watch case, and the ionized carbon species condense onto the surface, forming the DLC coating.
• High ionization levels create a dense and adherent coating.
• Allows for high deposition rates, resulting in faster coating processes.
• Can produce coatings with high hardness and low friction properties.
• Limited control over the composition of the coating.
• Coating thickness uniformity can be challenging to achieve.
• The deposition process can generate some heat, which may require careful temperature control.
1. Process: Magnetron sputtering involves the use of a low-pressure plasma and magnetic fields to generate a plasma discharge within the deposition chamber.
2. Target Material: The target material can be graphite or another metal target (e.g., titanium or chromium) with a carbon-containing gas introduced into the chamber.
3. Ionization and Deposition: The plasma discharge causes sputtering of metal ions from the target, which are then accelerated towards the watch case surface. Simultaneously, the carbon-containing gas dissociates into carbon ions, which bond with the metal ions on the surface, forming the DLC coating.
• Allows for better control over the composition of the coating.
• Can achieve good coating thickness uniformity.
• Offers flexibility in using different target materials for improved coating properties.
• Typically slower deposition rates compared to cathodic arc deposition.
• Requires careful control of gas flow and pressure to optimize coating quality.
• Coating hardness and adhesion properties may vary based on process parameters.
Both cathodic arc deposition and magnetron sputtering have their advantages and limitations. The choice of method depends on factors such as the desired coating properties, deposition rate requirements, equipment availability, and the expertise of the coating facility. Watch manufacturers may select the method that best suits their specific needs and quality standards.
PVD coatings offer several advantages when compared to solid metal counterparts. They are typically more cost-effective, provide enhanced durability and corrosion resistance, and can be applied to a wide range of substrates. These benefits make PVD coatings an attractive option for achieving the metallic colors of bronze and copper in various applications, including decorative items, architectural elements, and consumer products.
Plug-in Integrated system for fast installation
Black DLC coatings on medical insutrments, jewelry, watch parts.
|Medium and larger workpieces: SS cutlery, door handles, bathroom fittings, automotive components, sports, house appliances , kitchenware and spectral frames etc.
φ1000 * H1000mm
φ1250 * H1250mm
φ1600 * H1250mm
|5 arc + 4 pairs MF cylinder sputter
Option A: 8 arc + 1 set DC planar sputter;
|7 arc + 3 (or 4) pairs of MF cylinder sputters
|12 arc + 4 (or 6 ) pairs of MF cylinder sputters
|Operation & Control System
Siemens PLC + Industrial Computer + RoyalTech. Operation Program
These configurations are standard, for a specific developing market and new special coatings, the customized configurations and modifications are available on requests.
We provide professional technical support and service for PVD Vacuum Coating Machine. Our team of experienced technicians are available to help you with all your technical and service needs.
We provide assistance with installation, operation, maintenance and troubleshooting. Our team is committed to providing you with the best possible service and guarantee that all queries will be answered in a timely manner.
We will also provide advice on product selection, upgrades and modifications. Our experienced technicians are always available to answer any questions you may have about the PVD Vacuum Coating Machine.
In addition, we offer training services for our customers to ensure that they understand how to use the machine and can operate it safely and effectively. Our team is also committed to providing ongoing customer support and service.
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