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Intelligent Electrophoretic Coating Line for Large Frames
Automated surface pre-treatment and cathodic electrophoretic primer coating system designed specifically for large metal frames, delivering superior corrosion protection and precision surface treatment.
Equipment Purpose
Designed for automated surface pre-treatment (degreasing, silane/zirconium treatment, or phosphating) and cathodic electrophoretic primer coating on metal workpieces, particularly large frames. Achieves efficient cleaning and dense, high-quality pre-coating film through fully automatic immersion and spray methods.
Working Principle
PLC or industrial computer controls parameters including rectifier voltage, bath temperature, immersion time, ultrafiltration recovery, and conveyor chain speed. Large frames are processed through multiple stages according to preset programs for comprehensive surface treatment.
Core Advantages
Full Automation: Entire process requires no manual intervention, supporting continuous or indexed intelligent production lines for heavy-duty, large-sized frames
High Precision: Programmable process parameters and staged power supply voltages ensure coating corrosion resistance consistency in complex internal cavities and hard-to-reach areas
Energy Efficiency & Environmental Protection: Closed-loop ultrafiltration circulation system minimizes paint waste and wastewater discharge, with heat recovery system reducing energy consumption
Application Fields: Heavy-duty trucks, new energy buses, passenger car subframes, large construction machinery chassis, and industries requiring extreme corrosion protection
Process Flow
Loading → Pre-degreasing Spray → Degreasing Immersion → Water Rinse 1 → Surface Conditioning → Phosphating/Silane/Zirconium Treatment → Water Rinse 2 → Pure Water Rinse → Intelligent Cathodic Electrophoretic Coating → Ultrafiltration Rinses (UF1-UF3) → Pure Water Circulation Rinse → Drying & Curing → Unloading
Cost-Effective Operation: Optimal workstation configuration, closed-loop ultrafiltration circulation system improves paint utilization, low operation and maintenance costs
Advanced Equipment: Industry-leading intelligent segmented rectifier power supplies, multi-dimensional workpiece turnover mechanism, digital monitoring across all process parameters
High Adaptability: Control system supports multiple frame types, adaptive conveyor chain speed and rectifier voltage adjustment for flexible production scheduling
Quality Assurance: Manufactured according to ISO 9001 and IATF 16949 standards, 100% compliant electrophoretic coating film thickness and adhesion, meets heavy-duty anti-corrosion performance requirements
Auxiliary Systems
Exhaust System: Heavy-duty centrifugal fans with acid mist/organic exhaust gas treatment units
Domestic large-scale coating equipment, intelligent equipment, and environmental protection equipment production enterprises-Zhejiang Huier Coating Environmental Protection Equipment Co., Ltd has 40 years of experience industry team in the powder coating equipment,intelligent equipment and environme... Domestic large-scale coating equipment, intelligent equipment, and environmental protection equipment production enterprises-Zhejiang Huier Coating Environmental Protection Equipment Co., Ltd has 40 years of experience industry team in the powder coating equipment,intelligent equipment and environme...
