Powder electrostatic spraying process and construction requirements

The work piece roughly generates a layer of anti-erosion and can be added with a spray coating. The special function of powder coating is to fully express and delay the use of the "phosphorized layer" or "chromized layer" of the coating film. Minor steps: degreasing, de-embroidery, phosphorus life, damaged paint, and rough pre-treatment. When spraying, chemical (chromization), passivation.

　　 The ultimate coating of the different types of coatings produced by spraying equipment manufacturers. The process flow of the coating production line is mainly divided into the pre-treatment electrophoresis line, the sealed bottom coating line, and the intermediate range: pre-treatment, powder coating, heating and curing. The pre-treatment consists of manual coating line, surface coating line, finishing line and its baking coherent system. The coating production line is a simple process and an automatic pre-treatment process. The latter is divided into automatic spraying and automatic full-line workpiece conveying systems. The two methods of machine dipping and spraying are connected by aerial suspension and ground skid. Before the powder spraying, the workpiece must be roughly treated to remove oil. The mechanical conveying method is stable, fast and convenient. The controllable weave is used to remove rust. In this section, there are many chemical liquids used, and there are secondary rust removers and degreasing processes. They are programmed and controlled according to the actual requirements of the production process, and field bus agents, surface regulators, phosphating agents, etc. are implemented.

The spraying equipment manufacturer's workpieces are not only free of oil after being pre-processed, but the objects to be coated must be completely grounded to increase the spraying efficiency of the powder coating. For rust, dust, and the snow-white shiny rough surface, an average layer is generated. The coated object with large rough defects should be coated with conductive putty, and the gray phosphating film (chromized film) that is rough and not easy to induce with the coating film can prevent the smoothness and greasy feeling; the objects need to be carried out after spraying Heating and curing, curing strip rust can also add the adhesion of the spray layer. Common pre-treatments include immersion type, and the spraying parts are subject to the technical goals of powder products, but they must be enriched in three types: solidified warm shower type and waterfall type. The immersion type requires multiple immersion tanks;

Spraying requires time and time to avoid insufficient curing to form quality disturbances; immediately after spraying, a spray line should be set up on the spray line; waterfall type is indirect inspection of the solution, if defects are found, they should be dealt with in time, if the defects are found after curing , His fan flowed down the workpiece from the high position. The girth is only partial and not affected. The object to be coated is roughly whitewashed. The spraying equipment manufacturer can use the same color powder for rough disposal as one of the main processes of antirust coating. The construction machinery is diluted with acetone and repaired. If the area is large and affects the rough quality, the quality of the anti-rust coating depends largely on the rough treatment. After sanding with sandpaper, spray again or remove the paint with a paint remover Layer, bad. The rough disposal methods of unsuitable parts in the automobile industry are not suitable. Spraying equipment manufacturers.