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Titanium Alloy PVD Vacuum Coating Machine On Watches And Jewelry DLC Black Coatings

Titanium Alloy PVD Vacuum Coating Machine On Watches And Jewelry DLC Black Coatings
Features Gallery Product Description Request A Quote
DLC Coating Properties: Scratch Resistance, Exceptional Hardness, Low Coefficient Of Friction, Good Chemical Resistance, Biocompatible, Excellent Aesthetic Appeal,
PVD Coating Technology: Combination Of Cathodic Arc Deposition And Magnetron Sputtering
IPG Coating Applications: Watches, Jewelry, Etc. Luxury Metal Accessories
Applied Materials: Titanium Alloy, Stainless Steel, Brass Alloy Etc.
Training Service: Machine Operation, Maintenance, Coating Process Recipes, New Coating Recipes R&D
PVD Coating Advantages: Environmentally Friendly, Durability, Aesthetic Versatility, And Cost-effectiveness
High Light:

DLC Black Vacuum Coating Machine


PVD Vacuum Coating Machine on Watches


Titanium Alloy PVD Coating Machine

Basic Infomation
Place of Origin: SHANGHAI, CHINA
Certification: CE
Model Number: RT1000-DLC
Payment & Shipping Terms
Packaging Details: Export standard, to be packed in new cases/cartons, suitable for long-distance ocean/air and inland transportation.
Delivery Time: 12~14 weeks
Payment Terms: L/C, T/T
Supply Ability: 5 sets/month
Product Description

Product Description:

PVD Coating for watches

PVD, short for Physical Vapor Deposition, is a commonly used technique for applying coatings to various surfaces, including watches.

This process offers watches enhanced durability, scratch resistance, and improved aesthetic appeal.

There are various types of PVD coatings available for watch manufacturers to use, each providing a unique finish and performance characteristics.

For example:

1. Diamond-like carbon (DLC) coating is one of the most popular PVD coatings used in watches.

This carbon-based coating is known for its high hardness, low friction, and excellent scratch resistance, enabling it to give watches a glossy black or matte finish.

2. Titanium Nitride (TiN) coating is another common coating that offers a luxurious golden color. With good scratch resistance and compatibility with metals like stainless steel, it is used in both gold-toned watches and cost-effective alternatives.

3. Titanium Carbon Nitride (TiCN) coating is a combination of titanium nitride and DLC, giving watches a dark gray or gunmetal appearance and good resistance to hardness, wear, and corrosion.

4. Titanium Aluminum Nitride (TiAlN), which fuses titanium, aluminum, and nitrogen, is also widely used in watches for its dark gray or black color, and its extra-high hardness and wear resistance. Lastly, Rose Gold PVD coatings offer watches a warm, reddish-gold color, providing an elegant and luxurious look.


The choice of PVD coating depends on the desired color, style, and performance attributes of the watch. It is important to note that while PVD coatings do provide excellent protection, they may wear off over time and with extensive use.

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Technical Advantages

1. Plug-in Integrated design system for quick installation

2. Siemens PLC,CPU; with Industrial PC operation & control hardware

3. Available for remote monitoring and diagnosis.
4. Flexible, ready for upgrading

5. Multiple cathodes for fast deposition speed

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PVD coatings offer several advantages compared to other types of watch coatings. Here are some key advantages of using PVD coatings:

  • Durability: PVD coatings are highly durable and offer excellent resistance to wear, scratches, and corrosion. The deposition process creates a hard and protective layer on the watch surface, enhancing its longevity and reducing the risk of damage.
  • Aesthetic Options: PVD coatings provide a wide range of color options, allowing watch manufacturers to create various finishes and styles. From black DLC coatings to gold-toned TiN coatings, PVD offers versatility in achieving different aesthetic preferences and can mimic the appearance of precious metals.
  • Uniformity: PVD coatings provide a uniform and consistent layer on the watch surface, ensuring an even distribution of color and protection. This results in a visually pleasing and high-quality finish, enhancing the overall appearance of the watch.
  • Thin Coating Thickness: PVD coatings are typically applied in thin layers, ranging from a few micrometers to tens of micrometers. This allows the watch to maintain its original dimensions and does not significantly affect the weight or functionality of the timepiece.
  • Environmental Friendliness: PVD coating is a relatively environmentally friendly process compared to other coating techniques. It is a dry process that does not produce harmful byproducts or require the use of harsh chemicals, making it a more sustainable choice.
  • Compatibility with Different Materials: PVD coatings can be applied to a wide range of materials, including stainless steel, titanium, ceramic, and even some plastics. This versatility allows watch manufacturers to apply PVD coatings to various components of the watch, such as cases, bezels, and bracelets, ensuring consistent protection and aesthetics.
  • Cost-Effectiveness: PVD coatings are generally more cost-effective compared to other coating methods, such as electroplating or ion plating. The process is efficient, and the equipment required for PVD deposition is relatively accessible, making it a viable option for both high-end and mid-range watches.

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.


DLC stands for Diamond-Like Carbon coating. It is a type of thin film coating that exhibits properties similar to natural diamond, such as high hardness, low friction, and chemical resistance. DLC coatings are commonly used in various industries, including automotive, aerospace, cutting tools, medical devices, and electronics.


In PVD, the DLC material is vaporized in a vacuum chamber, and the vapor then condenses onto the surface of the substrate, forming a thin film. CVD involves the reaction of a carbon-containing gas with the substrate surface to deposit the DLC coating.


The DLC coating provides several benefits depending on the application, such as improved hardness, low friction, chemical resistance, biocompatibility, and aesthetic appeal. It's worth noting that DLC coatings can vary in terms of their properties, such as hardness, adhesion, and friction coefficient, depending on the specific deposition process and parameters used.


For this reason, DLC coatings are perfect for watch components, jewelry, and other luxury metal accessories. It offers a range of advantages and finds applications in various industries where durability, low friction, and chemical resistance are desired.
Titanium Alloy PVD Vacuum Coating Machine On Watches And Jewelry DLC Black Coatings 2

PVD coating techniques


Cathodic Arc Deposition:

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. The target material in cathodic arc deposition is typically a carbon-based material, such as graphite or amorphous carbon. The electric arc vaporizes the carbon-based target material, creating a plasma plume consisting of highly ionized carbon species which is then directed towards the watch case and condenses onto the surface, forming the DLC coating.

Advantages of cathodic arc deposition include high ionization levels creating a dense and adherent coating, allowing for high deposition rates resulting in faster coating processes, and the ability to produce coatings with high hardness and low friction properties.

Limitations of cathodic arc deposition include limited control over the composition of the coating, challenging coating thickness uniformity to achieve, and the deposition process generating heat which may require careful temperature control.


Magnetron Sputtering:

Magnetron sputtering involves the use of low-pressure plasma and magnetic fields to generate a plasma discharge within the deposition chamber. The target material in this method is either graphite or another metal target (e.g., titanium or chromium) with a carbon-containing gas introduced into the chamber. The plasma discharge causes sputtering of metal ions from the target and accelerates them towards the watch case surface, while the carbon-containing gas dissociates into carbon ions which then bond with the metal ions on the surface, forming the back DLC coating.

The advantages of magnetron sputtering include better control over the composition of the coating, good coating thickness uniformity, and flexibility in using different target materials for improved coating properties.

Limitations of magnetron sputtering include typically slower deposition rates compared to cathodic arc deposition, careful control of gas flow and pressure needed to optimize coating quality, and coating hardness and adhesion properties which may vary depending on process parameters.

In conclusion, both cathodic arc deposition and magnetron sputtering have their advantages and limitations. The selection of the appropriate method depends on factors such as the desired coating properties, deposition rate requirements, equipment availability, and the expertise of the coating facility, and watch manufacturers should select the method that best suits their specific needs and quality standards.



The below technical parameters are only for reference, Royal Technology reserves the right for final production based on specified applications. We provide you not only the coating machine but the total coating solutions, and turnkey-project service is available.


Model RTAS1000 RTAS1250 RTAS1612
Effective Chamber Size Φ1000 x H1000mm Φ1250 x H1250mm Φ1600 x H1250mm
Deposition Sources

Cylinder Arc (steered circular arc for option) + DC Sputtering Cathode +

Linear Ion Source(for option) + MF cylinder sputtering cathodes

Vacuum Pumping System ( Leybold Pumps + Turbo Molecular Pump)


SV300B *1 set (300m³/hr) SV300B* 1 set (300m³/hr) SV300* 2 set (300m³/hr)







TRP48*1 set (48m³/hr) TRP60*1 set (60m³/hr) TRP90*1 set (90m³/hr)

Turbo Molecular Pumps:

1 set (3500L/S)

Turbo Molecular Pumps:

2 sets (3500L/S)

Turbo Molecular Pumps:

3 sets (3500L/S)

Sputtering Power Supply 1*24KW 1*36KW 2*36KW
Arc Power Supply 6*5KW 7*5KW 9*5KW
Bias Power Supply 1*24KW 1*36KW 1*36KW
Planetary Rods 6/8 12/16 20
Ultimate Vacuum 9.0*10-4Pa (empty, clean, room temperature) 9.0*10-4Pa (empty, clean, room temperature) 9.0*10-4Pa (empty, clean, room temperature)
Cycle Time (depends on pump) 40’~50’ depends on the substrate material and coating recipes
Working Power Requirement

3Phase 5 lines


3Phase 5 lines


3Phase 5 lines


Cooling Water Recycle cooling water, industrial water chiller + EDI purified water device
Processing Gas (99.99%) 4 ways 4 ways 4 ways
Footprint (mm) 2000*2000*2500 4000*4500*3200 5500*5000*3200
Total Weight(KGS) 4500 7000 9000
Total Power Consumption(Approx.) 50KW 110KW 150KW
Actual Power Consumption(Approx.) 30KW 60KW 70KW
































Packing and Shipping:


The PVD Vacuum Coating Machine is carefully packaged and shipped using materials with Export standards, all components are to be packed in new cases/cartons, suitable for long-distance ocean/air and inland transportation.

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Contact Person : ZHOU XIN
Fax : 86-21-67740022
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