Evaporation Plastic Metallizing Vacuum Coating Machine
Nickel Chrome Plating PVD Coating Machine utilizing advanced vacuum evaporation technology for high-quality metal film deposition.
Core Functions & Process Principles
This equipment employs vacuum evaporation technology within the Physical Vapor Deposition (PVD) framework. Metal materials are vaporized through heating and deposited onto substrate surfaces to form uniform metal films. Unlike sputtering processes, evaporation coating achieves material vaporization via resistance heating or electron beam heating without ion bombardment of target materials.
Types of Evaporation Sources
- Resistance Heating: Ideal for low-melting-point metals (Al, Ag, Ni, Cr) using tungsten or molybdenum boats heated by electric current. Features low equipment costs and simple operation, perfect for small-to-medium batch production.
- Electron Beam Heating: Utilizes high-energy electron beams to bombard metal targets, capable of evaporating high-melting-point materials (W, Ta, Mo). Produces films with high purity (99.9%-99.99%) and excellent thermal efficiency, suitable for high-precision optical and functional films.
Process Advantages
- High-Purity Coating: Vacuum environment (ultimate vacuum ≤ 5*10⁻⁴ Pa) prevents oxidation and impurity contamination, ideal for optical films with stringent purity requirements including anti-reflective (AR) films and optical filters.
- Rapid Deposition: Metal evaporation rates of 50-500 nm/min significantly enhance production efficiency, perfect for decorative coating applications requiring metal-like appearance.
- Broad Substrate Compatibility: Supports non-metallic substrates including plastics (ABS, PC, PP), glass, ceramics, and select metallic substrates.
Key Technical Parameters
| Vacuum System |
Ultimate vacuum ≤ 5*10⁻⁴ Pa |
| Evaporation Source Type |
Resistance heating (multiple tungsten boats) + optional electron beam heating |
| Coating Rate |
Resistance evaporation: 50-200 nm/min; Electron beam evaporation: 30-150 nm/min |
| Maximum Workpiece Size |
Maximum diameter ≤ 1200 mm (customizable) |
| Film Thickness Uniformity |
±3%-5% for flat substrates; ±8%-10% for complex curved surfaces (optimized via workpiece rotation) |
| Control Method |
PLC automatic control, supporting recipe storage and remote monitoring |
| Environmental Performance |
No wastewater or exhaust emissions, compliant with RoHS and REACH standards |
Typical Application Fields
Consumer Electronics & Decoration
- Mobile Phone/Tablet Casings: Nickel, chromium, aluminum or other metal films create mirror effects or metallic textures, enhancing product quality and aesthetic appeal.
- Smart Home Accessories: Bathroom hardware (faucets, door handles) and furniture trim strips coated with nickel-chromium alloys replace traditional electroplating, offering superior aesthetics and rust resistance.
- Crafts & Packaging: Ceramics and glass surfaces coated with aluminum or gold-like films enhance visual appeal for gifts and cosmetic packaging applications.
Optical & Functional Films
- Optical Lenses: Dielectric films including silicon dioxide (SiO₂) and titanium oxide (TiO₂) provide anti-reflective, reflective, or light-filtering functions for camera lenses and eyeglass lenses.
- Solar Cells: Silver or aluminum electrodes evaporated onto glass or flexible substrates improve photoelectric conversion efficiency with material utilization rates exceeding 90%.
- Anti-Counterfeiting Labels: Multi-layer metal-dielectric film designs create photochromic anti-counterfeiting effects, supporting traceability for high-end products.
Automotive & Industrial Sectors
- Automotive Headlight Reflectors: Aluminum films achieve reflectivity of ≥95%, enhancing lighting effects with optional plasma-assisted coating for improved weather resistance.
- Plastic Automotive Trim: Instrument panels and air conditioning vents coated with nickel-chromium replace electroplating to reduce production costs and environmental pollution.
- Metallized Films: Aluminum layers evaporated onto PET or PC films for electromagnetic shielding materials and flexible electronic devices.