CHG International Limited
| Supply Ability | 10 sets per year |
| Application | Hardware Spraying Equipment |
| Payment Terms | T/T, L/C, D/A, D/P, Western Union |
| Shipping Cost | Contact the supplier about freight and estimated delivery time. |
| Warranty | 1 Year, 1 Year |
| Control Unit | PLC |
| Delivery Time | Varies depending on the design |
| Specification | customized |
| Substrate | Metal |
| Transport Package | Customized |
| Packaging Details | Varies depending on the design |
| Model Number | AC-31 |
| Certification | CE, ISO, CE |
| Brand Name | CHG |
| Place of Origin | China |
View Detail Information
Explore similar products
Pretreatment Spray System for Powder Coating Line Customizable and Powerful
Pretreatment Line for Electrophoresis/Electrophoretic KTL/EPD Coating Categories
Pretreatment Spray System Providing Surface Conditioning and Long Term Corrosion
Customization Coating Machine Pretreatment Spray System for Coating Line
Product Specification
| Supply Ability | 10 sets per year | Application | Hardware Spraying Equipment |
| Payment Terms | T/T, L/C, D/A, D/P, Western Union | Shipping Cost | Contact the supplier about freight and estimated delivery time. |
| Warranty | 1 Year, 1 Year | Control Unit | PLC |
| Delivery Time | Varies depending on the design | Specification | customized |
| Substrate | Metal | Transport Package | Customized |
| Packaging Details | Varies depending on the design | Model Number | AC-31 |
| Certification | CE, ISO, CE | Brand Name | CHG |
| Place of Origin | China | ||
| High Light | PLC control unit pretreatment line ，electrophoretic coating pretreatment system ，hardware spraying equipment pretreatment line | ||
Metal Substrate Electrophoresis (E-Coating) Pretreatment Line
High-Performance Surface Preparation for Automotive Metal Components
This automated pretreatment line is specially designed for metal substrates prior to electrophoretic coating (E-coating). It provides comprehensive surface cleaning and activation, creating an ideal foundation for high-quality E-coat finishes with excellent adhesion, corrosion resistance, and long-term durability.
The system adopts a fully automated multi-stage spray pretreatment process with precise control of chemical concentration, temperature, spray pressure, and processing time, ensuring stable and repeatable pretreatment quality throughout continuous production.
Suitable for automotive body components, battery enclosures, structural parts, chassis components, and other metal products, the line can be customized according to workpiece dimensions, production capacity, and factory layout.
Pretreatment Process Flow
The standard pretreatment process includes:
Pre-degreasing
Degreasing
Water Rinse I
Water Rinse II
Acid Treatment
Water Rinse III
Final Water Rinse
Each stage is designed to progressively remove contaminants while preparing the metal surface for optimum electrophoretic coating performance.
Key Process Features
Efficient Surface Cleaning
The multi-stage cleaning process effectively removes:
Oil and grease
Dust and particles
Metal fines
Processing residues
Surface contaminants
ensuring a clean substrate before subsequent treatment.
Acid Surface Activation
The acid treatment stage is one of the most critical processes within the pretreatment line. It effectively removes:
Oxide layers
Mill scale
Rust
Residual inorganic contaminants
while activating the metal surface to significantly improve coating adhesion, coating uniformity, and long-term corrosion resistance.
Precise Process Control
Automatic monitoring and control systems continuously regulate:
Chemical concentration
Bath temperature
Spray pressure
Treatment time
Liquid level
ensuring consistent pretreatment quality and stable production performance.
Typical Equipment Configuration
Each pretreatment section is equipped with:
Heavy-duty spray chambers
High-efficiency spray pumps
Precision spray nozzles
Chemical circulation tanks
Automatic liquid level control
Optional heating systems
Stainless steel or cast iron pumps selected according to chemical compatibility
The equipment configuration can be optimized based on process requirements and production capacity.
Applicable Workpiece Size
Designed for automotive metal components with maximum dimensions of:
1.1 m × 4.0 m × 2.0 m
The system can also be customized for larger or smaller workpieces.
Custom Engineering Solutions
Every pretreatment line is engineered according to each customer's specific production requirements. Customization options include:
Workpiece dimensions and weight
Production capacity
Pretreatment chemistry
Number of process stages
Factory layout
Integration with existing E-coating or painting lines
Automation level
Our engineering team will develop a customized pretreatment solution that maximizes coating quality, production efficiency, and long-term operational reliability.
Main Advantages
Fully automated multi-stage spray pretreatment process
Excellent cleaning and surface activation performance
Superior coating adhesion and corrosion resistance
Precise automatic process control
Stable, repeatable production quality
Flexible system configuration for different products and capacities
Easy integration with electrophoretic coating and painting production lines
Customized engineering based on customer requirements
Contact Us
Contact us today for a customized technical proposal. We provide complete pretreatment systems that integrate seamlessly with electrophoretic coating production lines, helping you achieve superior coating quality, higher production efficiency, and reliable long-term performance.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2007
Employee Number:
70~80
Ecer Certification：
Verified Supplier
CHG International Limited was established in 2007. With nearly 20 years of experience, our company and products have gained acceptance from a large number of customers. Our business covers the import and export of machinery and equipment, automation e... CHG International Limited was established in 2007. With nearly 20 years of experience, our company and products have gained acceptance from a large number of customers. Our business covers the import and export of machinery and equipment, automation e...
Get in touch with us
Leave a Message, we will call you back quickly!