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Structure and Specifications
The DLC-1218A series is a high-end vacuum coating system specifically designed for diamond-like carbon (DLC) film deposition. The chamber features a cylindrical structure with internal dimensions of Φ1200 × 1800 mm (H) and an effective coating area of Φ1000 × 1500 mm (H), providing ample space for processing multiple large or complex-shaped components. The chamber is equipped with a dual-layer circulating water-cooling system that ensures stable temperature control under high-energy deposition conditions, preventing thermal stress or uneven coating distribution. This design guarantees uniform, dense, and reliable DLC coatings optimized for components operating under high-load and extreme friction conditions.
Ion Source and Process Configuration
The system supports multiple deposition sources, offering flexible capability for DLC and composite functional coatings.
Configuration:
4 anode ion sources
4 anode ion source power supplies (15 kW each)
2 magnetron sputtering targets
2 magnetron power supplies (40 kW each)
1 single-pulse bias power supply (30 kW)
The DLC-1218A utilizes a hybrid process combining anode ion sources and magnetron sputtering. The ion sources generate a high-energy ion flux to form dense films with strong adhesion, while the magnetron sputtering system allows precise adjustment of film composition and surface characteristics. This results in coatings with high hardness, low friction, and excellent surface smoothness.
Common Deposition Materials:
Carbon-based materials (C, a-C:H, ta-C), metal carbides (TiC, WC), and metal-doped DLC films (Me-DLC, such as Cr-DLC and Ti-DLC). By adjusting target materials and gas ratios, the system can produce various functional coatings, including hard wear-resistant films, low-friction coatings, corrosion-protective layers, and decorative black coatings.
Performance Features
Film hardness up to 2500 HV (Vickers)
Ultra-low friction coefficient (below 0.1), minimizing wear and energy loss
Dense structure with excellent adhesion, impact resistance, and corrosion protection
Stable performance under high temperature, high load, and high-frequency friction conditions
Smooth and glossy surface finish with black or metallic gray appearance
Vacuum and Control System
The system integrates a high-performance turbomolecular pump set with a mechanical backing pump, allowing rapid establishment of high vacuum and maintaining process purity and stability. The fully automated control platform enables precise adjustment of ion source power, magnetron target power, bias voltage, and gas flow. Real-time monitoring, process logging, and recipe management ensure consistent and traceable production. The user interface is intuitive and engineer-friendly, supporting process optimization and quality assurance.
Application Fields
The DLC-1218A series is designed for surface treatment of components requiring high hardness, low friction, and superior wear resistance. It is widely used in:
Stamping Dies and Punch Tools:
Prevents adhesion and wear, improving mold life and product surface quality.
High-Impact Load Components:
Enhances durability and fatigue resistance of parts such as transmission shafts, valve stems, piston rings, and gears.
Precision Machinery and Equipment Parts:
Reduces friction and energy consumption in components like bearings, sliding elements, cylinder liners, and guide rails.
Special Low-Friction and Protective Coatings:
Applied to automotive components, medical instruments, electronic parts, and decorative hardware, offering durability, corrosion resistance, and aesthetic appeal.
By combining the advantages of anode ion source technology and magnetron sputtering, the DLC-1218A series delivers dense, strongly adherent, and ultra-smooth DLC coatings. Its high-efficiency vacuum system, precise control platform, and process stability make it an ideal solution for molds, precision machinery, automotive components, and premium decorative applications—significantly enhancing wear resistance, service life, and surface performance.
