Zhejiang Huier Coating Environmental Protection Equipment Co., Ltd
Over 20 years of experience in manufacturing coating equipment！ There is no best, only better！
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Plastic dust-free spraying line equipment (Standard process flow: loading → plasma activation → electrostatic dust removal → primer spraying → Leveling → Top paint spraying →UV/ thermal curing → Cooling → quality inspection → cutting)
one, dust-free environment design
cleanliness level : 10,000 dust-free workshop (ISO 7), local 100 (ISO 5)
Core configuration : air shower (double blowing, wind speed ≥20m/s)
FFU high efficiency filtration system (HEPA filtration efficiency 99.99% @0.3μm)
Constant temperature and humidity control : 25±1℃, humidity 45%±5% (anti-plastic electrostatic adsorption dust)
Second, intelligent control and safety
AI Vision inspection system : Detect scratches/particle defects (recognition accuracy 10μm)
Adjust robot spray path compensation in real time
explosion-proof interlock design : combustible gas concentration alarm (< 25% LEL linkage stop)
Electrostatic ground resistance < 4Ω
Energy consumption optimization system : air compressor frequency control (energy saving rate ≥30%)
3. Highlights of Technological innovation
Special plastic pretreatment technology : integrated plasma activation + infrared preheating (surface temperature pre-controlled to 40℃)
Multi-coating compatible design : Support matte/high-gloss/metallic coating one-click switch
Modular expansion interface : can be installed nano coating module (increase surface hardness to 3H)
Optional infrared drying precuring unit
Applicable material : ABS, PC, PA, TPU and other engineering plastics
Standard production capacity : 400-600 pieces/hour (monochrome), yield ≥99.2%
special process : Support the integrated production of IMD/OMD diaphragm spraying
Core device module
1. Pre-processing system
plasma surface activator : Function: improve the polarity of the plastic surface (Dyne value ≥54), enhance the coating binding force
Parameters: atmospheric pressure plasma, power 5-10kW, processing speed 0.5-2m/min
ion-air dust removal device : integrated electrostatic elimination + dust removal (cleanliness ≤5μm particles < 100 pieces /m³)
2. Precision spraying system
gas-mixed electrostatic spray gun : atomization pressure 0.2-0.5MPa, paint utilization rate ≥90%
Applicable coatings: PU paint, UV paint, elastic rubber paint
multi-axis robot spraying station : repeated positioning accuracy ±0.03mm, support 3D surface adaptive spraying
Equipped with online film thickness meter (detection accuracy ±2μm)
3. Curing module
UV-LED tunnel furnace : peak wavelength 385nm, energy density 1500-3000mJ/cm² (3-10 seconds curing)
Low temperature hot air curing furnace : temperature control: 50-70℃ (anti-plastic deformation), wind speed can be adjusted 0.3-1m/s
4. Conveyor system
antistatic suspension chain : surface resistance 10^6-10^8Ω, speed 0.3-5m/min stepless speed regulation
Vehicle material: Carbon fiber composite (scratch resistant + lightweight)
List of key parts
| unit | Technical specification |
| Precision gear pump paint supply system | Flow control accuracy ±0.3%, solvent corrosion resistance |
| Tertiary VOCs processing tower | Zeolite wheel +RTO incineration (purification rate ≥98%) |
| Nanometer paint filter | 0.1μm absolute accuracy, automatic backwash function |
| Two component automatic proportioning machine | Mixing ratio error < ±0.5%, with static mixer |
1. High cost performance Based on the customer's product positioning and development strategy, based on economic benefits, to achieve the best cost performance.
2.Advanced equipment design concept of excellence, high degree of automation of industrial equipment, show modern advanced enterprise style.
3.High adaptability to meet the current production requirements, and reserve space for development, considering the later production increase and quality improvement needs.
4. Quality standards strictly follow the IS0900 quality management system, and every small link of the entire equipment installation is strictly checked.
