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How Powder Coating Guns Work
创建于2024.07.02
Powder coating guns are essential in the powder coating process. Here's how they work:
- Hopper Supply: The powder coating is stored in a container called a “hopper,” where air is introduced through a membrane at the bottom to keep the powder fluidized.
- Air Transport: Compressed air is used to transport the fluidized powder from the hopper to the spray gun.
- Electrostatic Spraying: The gun imparts an electrostatic charge to the powder as it is sprayed, allowing the powder to adhere uniformly to the workpiece. The electrostatic charge can be generated either by voltage (Corona system) or by friction as the powder moves through the gun barrel (Tribo system).
This method ensures efficient spraying and a uniform, durable coating.
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