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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First, the process flow
Workpiece upper part → pretreatment (8-12min) → moisture drying (10min/80℃) → automatic spraying (2-3 layers) → leveling (5-8min) → curing (20-30min/140℃) → cooling → inspection of lower part.
2. Key points of selection design
1. Material compatibility
Plastic parts should be equipped with low temperature curing furnace (≤90℃)
It is recommended to add chrome process tank for aluminum treatment
2. intelligent configuration
Mandatory: MES System interface (OPC UA protocol supported)
Recommended: Spray path AI optimization software
3. safety regulations
Explosion-proof class: The spraying area shall meet ATEX Zone 1
Emergency shutdown: dual circuit redundancy control
1. Detailed explanation of core structure and components
1. pretreatment system
Structure composition :
multistage tank (stainless steel, wall thickness ≥3mm) degreasing tank: spray pressure 0.2-0.4MPa, equipped with oil-water separator
Phosphating tank: titanium alloy heating tube, temperature PID control ±1℃
Pure water bath: RO membrane filtration +EDI module, water quality ≤10μs/cm
Key components :
Magnetic drive pump (anti-corrosion type, flow 50-200m³/h)
Plate heat exchanger (heat recovery ≥75%)
2. spraying system
Structure layer :
Robot unit : 6-axis servo robot arm (repeated positioning accuracy ±0.05mm)
Electrostatic generator (output 90kV/200μA, with arc detection)
paint supply module : two-component metering pump (mixing ratio 1:1~1:10 adjustable, error ≤±0.8%)
Constant temperature paint pipe (20±1℃ circulating water insulation)
Innovative technology :
3D visual positioning (±0.1mm workpiece identification)
Air atomizing nozzle (adjustable atomizing particle size 15-25μm)
3. drying curing system
Key configuration :
High temperature conveyor chain (304 stainless steel, temperature 250℃)
Exhaust gas incineration device (VOC removal rate ≥99%)
Second, technical energy parameter table
| Index item | Standard for metal parts | Standard for plastic parts | Detection method |
| Consistency of film thickness | ±1.5μm | ±2.2μm | ISO 2360 |
| Hundred-cell adhesion | Lv. 0 | Level 1 | ASTM D3359 |
| Energy consumption (kW·h/㎡) | 0.18-0.22 | 0.25-0.30 | GB/T 2589 |
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.
