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The workpieces coated by this automatic powder coating line are shelves, and the length of the hangers is 13.5 meters. The material of the spray booth is PP, and the spraying method combines automatic gun spraying and additional manual coating, and the production line adopts the power & free overhead system, and the parts are loaded and unloaded manually. All of our powder coating production lines are designed according to client's products and demands. A more accurate quotation needs to be calculated according to the parameters of the coating production lines you need. Please contact us and a detailed specification for the discussion will be very much appreciated.
| 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.
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