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Structure and Specifications
The PVD-1112 series is a vacuum ion coating system designed for high-performance, large-scale coating production. It features a cylindrical chamber with an internal dimension of Φ1100 × 1200 mm (H) and is equipped with a dual-layer circulating water-cooling jacket that ensures stable temperature control during deposition, preventing overheating and maintaining film quality. The front-opening design allows for convenient loading, unloading, and maintenance of large workpieces, making it suitable for coating molds, cutting tools, and other high-value metal components. The chamber’s robust construction provides excellent sealing and thermal stability, ensuring long-term, continuous operation.
Arc Source and Process Configuration
The system is equipped with twelve high-performance cathodic arc sources, each powered by an independent single-pulse DC power supply. These arc sources generate high-energy ion fluxes that bombard the substrate surface with evaporated metal particles, forming dense films with exceptional adhesion. The multi-arc-source configuration supports the simultaneous use of multiple target materials, enabling the deposition of multilayer or composite coatings.
System Configuration:
12 arc sources
12 single-pulse DC arc power supplies
1 bias power supply (HorTeng Truplasma 4020)
1 Arc Enhanced Glow Discharge (AEGD) plasma enhancement module
By adjusting the power of each arc source, gas ratio, and bias parameters, the system allows precise control over the composition, structure, and properties of the deposited films. This enables the formation of coatings with high hardness for wear resistance or optimized density for oxidation protection.
Common Target Materials:
Typical targets include titanium-aluminum (TiAl), chromium-aluminum (CrAl), and chromium-aluminum-silicon-tungsten (CrAlSiW) alloys. Coatings derived from these targets exhibit high hardness, excellent thermal stability, and superior oxidation resistance, significantly extending the service life of coated components.
Vacuum and Control System
The vacuum system consists of a high-performance turbomolecular pump combined with a mechanical forepump, allowing rapid attainment of high-vacuum conditions. This minimizes oxidation and contamination by impurities during the deposition process. The fully automated control system enables precise adjustment of key process parameters, including arc current, bias voltage, working gas flow, and deposition time. Real-time process monitoring, data logging, and traceability functions ensure process reliability and repeatability. The intuitive user interface supports recipe storage and one-touch operation, simplifying mass production and process optimization.
Application Fields
The PVD-1112 system is designed for surface treatment applications that demand high hardness, strong adhesion, and superior wear resistance. It is widely used in the following areas:
Mold Coating:
Suitable for cold-working, hot-working, injection, and stamping molds. The coating enhances surface hardness, wear resistance, and anti-sticking performance, extending mold life and reducing maintenance costs.
Cutting Tool Coating:
Applicable to milling cutters, turning tools, drills, taps, and forming tools for high-speed machining. The coating improves cutting efficiency, reduces friction and tool wear, and maintains stability under high-temperature conditions.
Mechanical Component Protection:
Suitable for shafts, gears, piston rings, and valve bodies to enhance wear, corrosion, and oxidation resistance, improving service life and surface performance.
Decorative and Functional Films:
In addition to excellent mechanical properties, the system can produce coatings with metallic luster or colorful finishes for decorative components, as well as functional films for electromagnetic shielding or infrared reflection.
The PVD-1112 series employs multi-arc high-energy ion deposition technology to achieve coatings with high density, strong adhesion, and excellent surface smoothness. It is ideal for both industrial-scale production and research-oriented coating development. Renowned for its stability, process flexibility, and repeatability, the PVD-1112 is one of the most advanced and widely used PVD coating systems in the mold and cutting tool industry.
