Plastic spraying process and its characteristics
2025-03-10
The process principle of plastic spraying Electrostatic powder coating technology through high-voltage electrostatic adsorption to achieve high efficiency coating. The core process is: compressed air will be powder coating conveyed to the electrostatic spray gun, the muzzle of the high-voltage generator produces 80-100kV static field triggered corona discharge, so that the atomized powder charged; charged particles in the electric field under the action of directional adsorption on the surface of the grounded workpiece, along with the thickening of the coating to form a charge buildup, the uniformity of the film through the homogeneous static repulsive autonomy control; and ultimately, the formation of dense film by the high-temperature curing to complete the whole process of industrialized application from powder adsorption to coating formation. The whole process from powder adsorption to coating molding is completed. Workflow Process Name Process Purpose and Detailed Steps Related Equipment Related Materials 1. Pre-treatment Purpose: Remove the pollutants on the surface of the workpiece to form a phosphate layer that prevents rust and enhances adhesion Detailed Steps: ① Degreasing: Acidic de...