DLC hard film PVD plating machine-PVD DLC Hard Film Coating System
A DLC hard film PVD plating machine is more than just equipment; it’s a gateway to producing superior products. By creating surfaces that are fundamentally more resistant to the physical world, this technology allows manufacturers to build components that last longer, perform better, and operate more efficiently. Investing in DLC coating capability is a direct investment in a powerful competitive advantage.
What is a DLC Hard Film?
DLC stands for Diamond-Like Carbon – a type of amorphous carbon coating that combines the hardness of diamond with the low friction of graphite. A DLC hard film offers:- Extreme hardness (up to 5000 HV)
- Low friction coefficient (~0.05)
- Excellent wear resistance
- Corrosion resistance
- Attractive black/graphite appearance
What is a DLC Hard Film PVD Plating Machine?
A DLC hard film PVD plating machine is a vacuum coating system designed to deposit ultra-hard DLC coatings using Physical Vapor Deposition (PVD) technology. Unlike traditional electroplating, PVD DLC coating produces environmentally friendly, uniform, and high-adhesion films without harmful chemicals.Principle of PVD Hard Coating
In PVD coating, solid coating material (such as titanium, chromium, graphite, or carbide alloys) is vaporized in a vacuum chamber. This vaporized material condenses on the substrate surface, creating a strong, adherent coating. In hard coatings — including Diamond-like Carbon (DLC), TiN, TiAlN, and CrN — the process operates at moderate temperatures (150–400 °C), preventing substrate damage while achieving:- Hardness: ~2000–5000 HV
- Low Friction: 0.05–0.2 coefficient
- Dense Microstructure: High adhesion and wear durability
How Does a DLC PVD Coating Machine Work?
A DLC hard film PVD coating system typically follows these steps:- Substrate Preparation Parts are cleaned by ultrasonic washing and plasma etching to ensure excellent adhesion.
- Pre-Heating Components are heated to 150–300°C to remove moisture and improve coating bonding.
- Adhesion Layer Deposition A thin metallic layer (e.g., Titanium, Chromium, Silicon) is applied to enhance film strength.
- DLC Deposition Using arc evaporation, sputtering, or HiPIMS, carbon ions form a hard, dense DLC layer.
- Cooling The coated parts are cooled under vacuum to reduce stress and preserve coating integrity.
Applications of PVD Hard Coating Machines
PVD hard coating machines are widely used across multiple industries:- Cutting Tools: HSS and carbide drills, end mills, taps — extended tool life and faster cutting speeds.
- Automotive Components: Engine parts, gears, piston rings — reduced friction and wear.
- Aerospace: Turbine blades, precision components — improved reliability in extreme conditions.
- Medical Devices: Surgical tools, orthopedic implants — biocompatibility and corrosion resistance.
- Luxury & Consumer Goods: Watches, jewelry, electronics — scratch resistance and aesthetic finishes.
Advantages of PVD Hard Coating Technology
- Ultra-High Hardness – Comparable to diamond, offering superior wear resistance.
- Low Coefficient of Friction – Ideal for reducing heat and energy losses in moving parts.
- Corrosion Resistance – Protects against rust, chemicals, and moisture damage.
- Enhanced Aesthetics – Deep black finish with a premium matte or glossy appearance.
- Eco-Friendly Process – Non-toxic, chemical-free, and produces no hazardous waste.
- Extended Service Life – Reduces downtime and maintenance costs for critical components.
Technical Parameters of a Typical PVD Hard Coating Machine /Customization
Vertical Batch – Single or double door| System | Technical Parameters |
| A. Pumps System | – Rotary Vane Pump: 100–300 m³/h – Roots Vacuum Pump: 500–1500 m³/h – Turbomolecular Pump: ≥ 2000 L/s – Ultimate Vacuum: ≤ 5 × 10⁻⁵ mbar – Cooling: Water-cooled or air-cooled – Sealing: Oil-sealed or dry-sealed |
| B. Gas System | – Gases: Argon (Ar), Nitrogen (N₂), Acetylene (C₂H₂), Methane (CH₄) – Gas Purity: ≥ 99.999% – Flow Control: Mass Flow Controllers (MFCs) – Max Gas Pressure: 6 bar – Gas Lines: Stainless steel with leak-tight couplings |
| C. Limited Vacuum | – Operating Pressure: 1 × 10⁻³ to 5 × 10⁻³ mbar >- Base Vacuum: ≤ 5 × 10⁻⁵ mbar – Leak Rate: ≤ 5 × 10⁻⁸ mbar·L/s |
| D. Arc Source | – Type: Cathodic Arc Evaporator / Hybrid with Magnetron Sputtering – Number of Arc Sources: 2–6 cathodes – Arc Current Range: 50–200 A – Arc Spot Control: Magnetic steering for uniform erosion |
| E. Power Sources | – Arc Power Supply: 0–250 A, 20–40 V DC – Bias Power Supply: DC or Pulsed DC, 0–1000 V, max 20 A – Magnetron Power Supply: 0–50 kW – Power Stability: ±0.5% |
| F. Targets | – Materials: High-purity Graphite (≥ 99.99%), Titanium (Ti), Chromium (Cr), Zirconium (Zr) – Target Size: Ø100–Ø200 mm – Target Cooling: Water-cooled |
| H. Gas Time | – Gas Switching Response: ≤ 1 s – Pre-cleaning Gas Duration: 1–10 min – Reactive Gas Injection: Precisely controlled per coating recipe |
| I. Controlling System | – PLC + HMI touchscreen control – Monitoring: Chamber pressure, arc current/voltage, substrate temperature – Recipe Storage: Up to 100 preset recipes – Data Logging: Automatic process records and alarms – Remote Access: Ethernet/Wi-Fi for diagnostics |
COATINGS:
TiN, TiC, TiCN, TiAlN, TiAlCN, TiCrN, TiCrN, TiCrCN, TiAlCrN and other multilayer super hard coatings. DankoVAC- Tools PVD Thin Film Deposition Vacuum Coating Machine is high performing and easy operating, equipped with arc sputtering system. This machine offers a wide range of application, such as hard film coating, abrasion resistance coating and exterior coating on tools of cutting, stamping, molding and metal die-casting, with DLC (diamond like coating) function to improve the hardness. Substrate Material: tools, cutter and mould Recommend Machine: Multi Arc Ion Coating Machine Structure Type: Vertical structure, #304 Stainless Steel A. Coating Film: Multi-functional metal film, hard film, DLC film B. Film Color: multi colors, gun black, titanium golden color, rose golden color, stainless steel color, purple color and other more colors C. Film type: TiN, TiC, CrN, ZrN, TiCN, TiCrN, TiNC, TiALN and DLC D. Consumables in production: Titanium, Chromium, ZirconiumProduct parameters
Structure Type: Vertical structure or Horizontal structure. Substrate Material: ABS,PS, PC, PP, PVC, Nylon, TPU (Plastic materials), acrylic glass. Recommend Machine: Evaporation Coating Machine Structure Type: Vertical structure or Horizontal structure. Coating Film: Aluminum, Chrome, Cupper
Color: Silver color, Gold color, Semi-transparency, Red, Blue, Green, Grey, Black, Multicolor
Equipment with: UV line
Consumables in production: Aluminum / Chromium Wires, Paint
A DLC hard film PVD plating machine delivers cutting-edge coating technology that enhances product performance, durability, and aesthetics. Whether you’re in automotive, aerospace, medical, or luxury goods manufacturing, investing in this technology ensures a competitive advantage in today’s high-performance market. 
