CHG International Limited
Your Trusted Partner in the Metal Surface Treatment Industry
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Automated Powder Coating Production Line
Stainless Steel Spray Booth and Pre-Treatment System
Our advanced automated powder coating production line is engineered to deliver premium-quality finishes for a variety of products. Central to this system is the stainless steel spray booth, fabricated from high-grade stainless steel to ensure durability, corrosion resistance, and ease of maintenance. This material choice guarantees a long-lasting, hygienic environment that is essential for maintaining consistent coating quality.
The production line includes an integrated spray wash pre-treatment system designed to prepare surfaces for optimal powder adhesion. This system features multiple stages:
Pre-rinse: Initial cleaning to remove loose contaminants.
Chemical Cleaning: Application of detergents or alkaline solutions to eliminate oils and greases.
Phosphating or Conversion Coating: A chemical treatment that enhances coating adhesion and corrosion resistance.
Final Rinse: Ensures the removal of any residual chemicals, leaving a pristine surface.
Drying: Thermal drying ovens eliminate moisture, preparing parts for powder application.
Robotic Powder Spraying
At the core of the spraying process are robotic arms equipped with precision powder spray guns. These robots follow predefined paths, ensuring uniform and thorough coverage of the powder coating. The system can be customized to handle various part sizes and shapes, delivering consistent, high-quality results. The spray booth design incorporates efficient powder recovery systems to minimize waste and reduce operational costs.
Overhead Conveyor System
An overhead conveyor system transports parts seamlessly through each stage of the process, from pre-treatment to final curing. This setup maximizes space efficiency while minimizing contamination risks between stages. Parts move smoothly from one phase to the next, ensuring continuous flow and high throughput.
Curing and Cooling
After the powder application, parts enter a curing oven where thermal energy activates the powder, causing it to melt and form a durable, smooth finish. Post-curing, parts pass through a cooling station to stabilize the coating before unloading.
Customization and Flexibility
For tailored solutions, feel free to contact us to receive your exclusive design proposal. We offer customization services for coating production lines based on the specific characteristics and requirements of your products, ensuring a solution that perfectly matches your manufacturing needs.
By integrating state-of-the-art technology with meticulous attention to detail, our automated powder coating production line guarantees superior finishes that enhance both the durability and aesthetic appeal of your products.
| 1. Surface Preparation: | The first step in the powder coating line is the surface preparation of the aluminum profiles. This stage is essential to ensure proper adhesion of the powder coating. Surface preparation may include cleaning, degreasing, and removing any contaminants from the aluminum surfaces. |
| 2. Pre-Treatment: | After surface preparation, the aluminum profiles undergo a pre-treatment process to enhance coating adhesion and corrosion resistance. Common pre-treatment methods include chemical cleaning, phosphating, or chromate conversion coating. The pre-treatment prepares the aluminum surface for better powder adhesion and improves coating performance. |
| 3. Drying: | Once the pre-treatment is completed, the aluminum profiles are passed through drying ovens to remove any remaining moisture from the surface. Dry aluminum surfaces are crucial for proper powder coating adhesion and finish. |
| 4. Powder Coating Application: | The dried aluminum profiles are then ready for powder coating application. The powder coating material is electrostatically charged and sprayed onto the aluminum profiles using powder coating guns. The positively charged powder particles are attracted to the grounded aluminum profiles, adhering to the surface uniformly. |
| 5. Powder Curing: | After powder coating application, the aluminum profiles are transferred to curing ovens. In the curing ovens, the powder coating undergoes a thermal curing process. The oven's heat causes the powder particles to melt and flow, creating a continuous, smooth coating film. The curing process also chemically cross-links the powder particles, ensuring a durable and hardened finish. |
| 6. Cooling: | Following the curing process, the coated aluminum profiles are allowed to cool down. This cooling phase stabilizes the coating and ensures it maintains its properties and appearance. |
| 7. Quality Inspection: | After cooling, the coated aluminum profiles undergo a thorough quality inspection. The inspection involves checking the coating thickness, appearance, adhesion, and overall quality to ensure it meets the specified standards. |
Feel free to contact us to get your exclusive design proposal. We can also customize other types of coating production line based on product characteristics.
