CHG International Limited
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Automatic Powder Coating Production Line for Iron Electric Control Cabinet Customized and Manufactured
Powder Coating Production Line for Iron Electrical Control Cabinets
This powder coating production line is tailored for the finishing of iron electrical control cabinets. The spray booth is made from PP (polypropylene), providing excellent resistance to chemicals and ensuring durability. The spraying process combines automatic gun spraying for uniform coverage with supplementary manual coating for detailed work, ensuring a high-quality finish on every cabinet.
Key Features:
Spray Booth Material: Constructed from PP (polypropylene) for superior chemical resistance.
Spraying Method: Integrates automatic gun spraying for efficient and consistent application with manual coating for precision in complex areas.
Conveyor System: Employs a suspended chain hoist system to ensure smooth and reliable transportation of parts through the production line.
This configuration guarantees that each iron electrical control cabinet receives a durable, high-quality finish, meeting stringent quality standards and performance requirements.
Production line flow: hanger stop, elevator down and assists manual hanger, pre-spray treatment (workpiece stepping, and stop spraying and cleaning at each station respectively), moisture drying (workpiece accumulation), through automatic spraying room ( The workpiece runs continuously, the process speed is 1.5m/min, automatic spraying + aditional manual spraying), through the manual spray booth (the workpiece is stopped, and the manual spraying), the powder is solidified (the workpiece is accumulated obliquely), natural cooling (the workpiece is stopped), and the elevator down and assists manual picking (workpiece stop).
The Process of Powder Coating Line:
| 1. Surface Preparation: | The powder coating process begins with surface preparation, a critical step for ensuring optimal adhesion of the powder coating to the aluminum profiles. This involves cleaning, degreasing, and removing any contaminants from the surfaces to be coated, establishing a pristine base that enhances the effectiveness of subsequent treatments. |
| 2. Pre-Treatment: | After surface preparation, the aluminum profiles undergo pre-treatment to enhance both coating adhesion and corrosion resistance. Pre-treatment methods may include chemical cleaning, phosphating, or chromate conversion coating. These processes condition the aluminum surface, promoting superior powder adhesion and improving the overall performance and durability of the coating. |
| 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. |
