Xiangyang Jingtu Anti corrosion Materials Co., Ltd
Delivering Innovation, Excellence, and Sustainable Solutions in Electrophoretic Coatings
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Product Description
The electrophoretic coating process is extensively utilized in the automotive industry due to its numerous advantages, such as high paint utilization, low environmental pollution, automated production, enhanced safety, and excellent rust, impact, and corrosion resistance. This process is particularly beneficial for coating complex-shaped auto parts, including those with intricate edges, angles, holes, and cavities. It ensures uniform coverage even in hard-to-reach areas, such as the inner cavities and crevices of car frames, chassis, and other structural components. This results in a high-quality, consistent finish and significantly improves the anti-corrosion properties of the workpieces. To achieve these outcomes, advanced technology, extensive experience, efficient service, and a safe, stable production system are essential.
Application Fields of Electrophoretic Coating Production Lines
Electrophoretic coating production lines are widely employed in various industries, including:
This technology is particularly valued for its ability to provide uniform and durable surface treatment across diverse applications.
Features of Jingtu Electrophoretic Coating Lines
With years of expertise, our company has developed electrophoretic coating lines with the following standout features:
Electrophoretic Coating Process
The workflow of electrophoretic coating equipment is as follows:
Process Parameters
| Parameter Name | Parameter Range/Value | Description |
| Electrophoretic Voltage | 100-400 V | Adjusted based on workpiece material and coating thickness requirements. |
| Electrophoretic Time | 2-5 minutes | Immersion time in the tank, affecting coating thickness and uniformity. |
| Tank Liquid Temperature | 28-32 °C | Affects paint fluidity and deposition efficiency. |
| Solid Content of Tank Liquid | 18-22% | Proportion of solid components in the paint, affecting quality and thickness. |
| pH Value | 5.8-6.5 | Acidity or alkalinity of the tank liquid, influencing paint stability and deposition. |
| Conductivity | 1200-1600 µS/cm | Reflects the ion concentration in the paint. |
| Coating Thickness | 15-25 µm | Adjusted based on anti-corrosion requirements and workpiece application. |
Composition of Electrophoretic Coating Equipment
The electrophoretic coating system comprises the following key components:
These specialized components, along with additional equipment such as conveyors, drying ovens, and cooling chambers, form a complete electrophoretic coating production line.
Equipment Parameters
| Parameter Name | Parameter Range/Value | Description |
| Tank Size | Customized based on production needs | Tank dimensions must accommodate workpiece size and production volume. |
| Ultrafiltration System Flow Rate | 1-2 m³/h | Determines the cleaning efficiency and paint recovery rate. |
| Circulation Pump Flow Rate | 20-40 m³/h | Ensures uniform mixing and deposition of the paint. |
| Curing Temperature | 160-180 °C | Affects coating hardness and adhesion. |
| Curing Time | 20-30 minutes | Ensures complete drying of the coating. |
| Power Supply Capacity | Customized based on tank size and voltage requirements | Must meet the power demands of the electrophoretic process. |
Paint Parameters
| Parameter Name | Parameter Range/Value | Description |
| Paint Type | Cathodic Electrophoretic Paint/Anodic Electrophoretic Paint | Cathodic paint is more commonly used for superior anti-corrosion performance. |
| Paint Solid Components | Epoxy Resin, Pigments, Additives, etc. | Main components affecting coating performance and appearance. |
| Paint Viscosity | 20-30 s (Ford Cup) | Influences paint fluidity and coating results. |
Environmental Parameters
| Parameter Name | Parameter Range/Value | Description |
| Wastewater Discharge | Near Zero Discharge | Achieved through EDRO technology and counter-current water replenishment. |
| VOC Emissions | < 50 g/m³ | Volatile Organic Compound emissions, compliant with environmental standards. |
Quality Control Parameters
| Parameter Name | Parameter Range/Value | Description |
| Coating Adhesion | ≥ 5 MPa | Bonding strength between coating and substrate, evaluated by cross-cut or pull-off tests. |
| Salt Spray Resistance | ≥ 720 hours | Anti-corrosion performance in salt spray environments. |
| Surface Roughness | Ra < 0.8 µm | Smoothness of the coating surface, affecting appearance and subsequent processes. |
Conclusion
Jingtu's electrophoretic coating lines combine cutting-edge technology, efficient design, and eco-friendly processes to deliver superior coating solutions for the automotive industry and beyond. With a focus on quality, reliability, and sustainability, our systems ensure exceptional performance and long-lasting results.