Powder spraying is used in powder spraying, and electrostatic spraying is used in the process. Under the action of friction spray gun, powder particles contact the contour with positive charges and negative charges to generate electrostatic adsorption when ejecting the gun body, and then solidify at high temperature to improve the adsorption strength of the coating and prevent the coating from falling off. From the point of view of the process itself, it has a high scientific and technological content, and different colors of paints are mixed together to produce different color decoration effects, which is more in line with the needs of interior decoration, and it is also moving towards the trend of indoor development with the application of aluminum profiles in the construction industry. Let's take a look at the advantages of aluminum profile powder spraying with Aluminum profile automation equipment

There are three surface treatment methods of aluminum profiles: anodic oxidation, electrophoretic coating and powder spraying, each of which has its own advantages and occupies a considerable market share. 

Among them, powder spraying has the following obvious advantages:

1. The process is relatively simple, mainly because the automation precision of main equipment in the production process is improved, and some main technical parameters can be controlled by microcomputer, which effectively reduces the difficulty of process operation and greatly reduces the auxiliary equipment.

2. High yield. Generally speaking, if proper measures are taken, the generation of nonconforming products can be controlled to a certain extent.

3. The energy consumption is obviously reduced. In the production process of common anodic oxidation electrophoretic coatings, water and electricity are consumed greatly, especially in the oxidation process. The output current of the rectifier can reach 8000≤11000 A, and the voltage is between 15 and 17.5 V. In addition, the heat consumption of the machine itself requires circulating water to keep it cool, and the power consumption per ton is often around 1000 degrees. At the same time, the reduction of auxiliary equipment can also reduce some power consumption.

4. The pollution degree of water and air is reduced, and alkali, sulfuric acid and other liquid organic solvents are no longer used, which reduces the water and air pollution, effectively improves the competitiveness of aluminum profiles and plastic steel profiles as environmental protection products, and correspondingly reduces some production costs.

5. The labor intensity of workers is obviously reduced, and the operation of automatic assembly line obviously simplifies the feeding mode and fixture use mode, improves the production efficiency and reduces the labor intensity.

6. The requirements for the surface quality of wool are obviously reduced, and the powder coating can completely cover the extruded particles on the surface of aluminum profiles, cover up some surface defects of aluminum profiles, and improve the surface quality of finished aluminum profiles.

Compared with other surface treatment films, some physical indexes of the coating have been obviously improved, such as hardness and wear resistance, which can effectively prolong the service life of aluminum profiles.

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