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Hardware Spraying Equipment and Conveyor System Carbon Steel Sheet Powder Coating Line

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Hardware Spraying Equipment and Conveyor System Carbon Steel Sheet Powder Coating Line

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Certification : ISO, CE

Place of Origin : China

Brand Name : CHG

MOQ : 1 set

Price : Negotiable

Packaging Details : Varies depending on the design

Delivery Time : Varies depending on the design

Payment Terms : L/C, D/P, T/T, Western Union, MoneyGram

Supply Ability : 10 sets per year

Model Number : AC-09

Condition : New

Method Type : Automatic

Control Unit : PLC

Mini Order Qty : 1 Set

Trademark : CHG

Shipping Cost : Contact the supplier about freight and estimated delivery time.

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This powder coating production line sprays carbon steel sheet of different sizes and shapes for the safe.
The material of the spray booth is PVC, and the spraying method combines automatic gun spraying and additional manual coating. The pretreatment part adopts skid ground conveyor system, and the powder spraying part adopts a overhead conveyor system to run at a constant speed.


Production Line Workflow:

  1. Welding Area Loading: A manipulator loads the cabinet body and door panel onto two separate stations.
  2. Metal Grinding: A robot polishes the weld seams of the cabinet body.
  3. The weld seams of the door panel are manually polished, followed by manual polishing of the overall surface to ensure smoothness.
  4. Phosphating Solution Application: The workpieces are wiped with a phosphating solution to prepare the surface for coating.
  5. Moisture Drying: Workpieces undergo drying at 40-50°C to remove any residual moisture.
  6. Manual Putty Scraping: Technicians apply putty manually to fill in imperfections.
  7. Putty Drying: The applied putty is dried at 40-50°C to ensure it sets properly.
  8. Manual Putty Grinding: After drying, the putty is manually ground to achieve a smooth finish.
  9. Workpiece Accumulation: Approximately 100 sets of workpieces are accumulated before moving to the next stage.
  10. Mechanical Loading Transfer: Accumulated workpieces are transferred to mechanical loading for further processing.
  11. Dust Blowing: Electrostatic dust guns are used for manual dust blowing to clean the surfaces.
  12. Coating Application: Automatic spraying combined with manual spraying ensures comprehensive coverage.
  13. Powder Solidification: Coated parts are cured at 200°C for 18 minutes to solidify the powder coating.
  14. Air Cooling: After curing, the parts undergo air cooling to stabilize the coating.
  15. Manual Installation of Casters: Casters are manually installed on the completed cabinets.
  16. Human-Machine Assisted Lowering: With human-machine assistance, the finished parts are lowered onto AGV (Automated Guided Vehicle) carts for transport to the next destination.

The Process of Powder Coating Line:

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.

Hardware Spraying Equipment and Conveyor System Carbon Steel Sheet Powder Coating Line

Hardware Spraying Equipment and Conveyor System Carbon Steel Sheet Powder Coating Line

Hardware Spraying Equipment and Conveyor System Carbon Steel Sheet Powder Coating Line


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