The purpose of mastering the correct spray processing techniques is to save paint, obtain coatings that meet the quality requirements, avoid the quality of the paint and the consumption of physical strength, and reduce the chance of waste. Not only can it improve production efficiency, but also improve the quality of the film.

Before spraying, the gun and related equipment should be cleaned and should be in normal working condition. Check that the gun produces the ideal spray shape. The ideal spray should be symmetrical, evenly atomized, and the edges clear. There should be only a small amount of paint mist particles outside the spray edge; the configured air compressor capacity should meet the requirements of the equipment instruction manual.

In general, vacuum-plated UV coatings are often not directly usable, such as anti-corrosion coatings, in which case a series of subsequent treatments must be performed. The purpose of the subsequent treatment is obvious in order to prevent the corrosive medium in the coating from reaching the substrate through the pores of the coating, thereby causing corrosion of the substrate.

The subsequent treatment of the coating after the spraying process mainly refers to the sealing treatment, and can be used as a sealing agent for many materials, including organic materials such as paraffin, epoxy resin, silicone resin and inorganic materials such as oxides. Which one is selected depends on various factors such as the working medium, environment, temperature and cost of the workpiece.

For workpieces subjected to high stress loads or impact wear, in order to improve the bonding strength of the spray coating, in addition to the sealing treatment, the spray coating is remelted, such as flame remelting and induction remelting. , laser remelting and hot isostatic pressing.

After remelting the thermal spray processing coating, the porous coating which is only mechanically bonded to the substrate becomes a dense coating which is metallurgically bonded to the substrate, thereby further improving the quality of the workpiece and facilitating the elongation. Its service life.