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| Zhejiang Huier Coating Environmental Protection Equipment Co., Ltd | 
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1. Equipment system architecture
A[Plastic spraying line] --> B(pre-treatment system)
A --> C(powder spraying system)
A --> D(curing system)
A --> E(material conveying system)
A --> F(intelligent control system)
2. Technical indicators
Coating quality:
Thickness uniformity: ±15μm (flat parts)
Glossiness: ≥85% (60° measurement angle)
Impact resistance: 50kg·cm (ASTM D2794)
Production efficiency:
Single line beat: 45-75 seconds/piece
Utilization rate: ≥92% (continuous production conditions)
3. Recommended matching:
Small and medium-sized lines: 8-station system is recommended
(total length ≈50m)
Large-scale automated lines: Robot spraying unit (6-axis robot arm)
+ AGV logistics system integration solution
Note: Equipment selection needs to comprehensively consider product
size (recommended maximum processing size 2.5m×1.2m), production
capacity requirements and budget range
1. Core structure breakdown
1. Pre-treatment section
| Equipment unit | Technical specifications | Functional description | 
| Shot blasting machine | Steel shot diameter Φ0.3-0.8mm, power 22kW | Surface rust removal reaches Sa2.5 level | 
| Degreasing tank | 45℃ alkaline solution, pH 11-13 | Grease removal rate > 99% | 
| Phosphating tank | Zinc phosphating solution, film thickness 4-6μm | Enhance coating adhesion | 
| Pure water spray system | Three-stage countercurrent flushing, conductivity ≤30μs/cm | Prevent secondary contamination by impurities | 
2. Spraying section
Core equipment group:
Electrostatic generator: 100kV high-frequency high-voltage power
supply (±5% fluctuation rate)
Disc spray gun: Atomization diameter: Φ200-400mm adjustable
Powder output: 50-300g/min
Rotation speed: 15,000-30,000rpm
Powder supply center: Powder storage tank capacity: 200L×4 (fast
color change configuration)
Fluidized bed gas pressure: 0.05-0.15MPa
3. Curing system
Technical parameters of gas heating furnace:
Project parameter range Effective size: 12m(L)×2.2m(W)×2m(H),
Heating method: U-shaped radiation tube heat exchange structure
Temperature control accuracy: ±3℃ (PID intelligent adjustment),
Energy consumption index: ≤35m³ natural gas/ton workpiece.
2. Key functional components
1. Powder recovery device
Three-stage filtration system (cyclone + bag + HEPA)
Recovery efficiency: ≥95%
Exhaust volume: 8000-12000m³/h
2. Conveyor chain system
Type, load capacity, speed range, applicable scenarios
Ground rail chain, 50kg/m, 0.5-3m/min, small workpieces
Double chain conveyor, 200kg/m, 1-5m/min, standard cabinet
Pooling chain, 150kg/m, variable speed, multi-variety mixing
3. Intelligent control module
PLC control system (Siemens S7-1500 series)
Human-machine interface: 10.1-inch touch screen
Data acquisition: real-time monitoring of temperature/pressure/flow
1.High cost performance: Based on the customer's product
positioning and development strategy, and with economic
affordability as the foundation, we achieve the best cost
performance.
2.The advanced and meticulous design concept of the equipment,
along with the highly automated industrial equipment, showcases the
image of a modern and advanced enterprise.
3. It has high adaptability, meeting the current production
requirements and reserving room for development, taking into
account the needs of increased production and improved quality in
the future.
4.Quality compliance strictly adheres to the ISO900 quality
management system, with every minute detail of the entire equipment
installation being strictly controlled.

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