1. Electrostatic spraying is a method that utilizes a high-voltage electrostatic field to induce negatively charged coating particles to move towards the oppositely charged surface of the workpiece, effectively adhering the particles to it. This technique allows for the application of a thicker coating in a single pass. The equipment used typically includes a spray gun, a spray cup, and a high-voltage power supply dedicated to electrostatic spraying.

operational principle

When in operation, the spray gun’s spray disc or spray cup for electrostatic spraying is connected to the negative electrode of the coating particles, while the workpiece is connected to the positive electrode and grounded. Under the high voltage supplied by the
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