Process procedures and processes for dump truck antirust treatment

A dump truck is a special truck designed to carry garbage and waste to incinerators or recycling sites. A tipper truck typically collects waste along the street or from a dump station and transports it to landfills or incinerators. Dump trucks are exposed to the sun and rain all year round, and dump trucks are easily corroded by various pollutants during operation. In addition, the majority of sanitation workers are too tired to maintain them, which makes the surface corrosion of dump trucks faster than ordinary passenger cars. Greatly faster. Therefore, higher requirements are put forward for the anti-rust process of dump trucks. So, what are the process procedures for dump truck anti-rust treatment?

Here is the content list:

• What are the steps of a dump truck's anti-rust spraying process?

• What points should be paid attention to when spraying?

What are the steps of a dump truck's anti-rust spraying process?

1 Degreasing: The function of degreasing is to remove grease and oil stains on the surface of the board. During the production and test run of the dump truck, it is inevitable that there will be oil leakage or oil leakage. The application of ordinary lubricating oil or pressure oil is incompatible with the paint so that the paint sprayed on it is easy to fall off. Therefore, it is very necessary to do a good job of degreasing the surface of 6x4 dump truck steel.

2. Water washing: The function of water washing is to wash away the degreasing agent, prevent the degreasing agent from being brought to the next process, polluting the next process, or destroying the balance of the bath liquid components in the next process.

3. Surface adjustment: the function of surface adjustment is to adjust the surface properties of the plate, improve the surface state, make the phosphating crystal fine, and improve the phosphating quality.

4. Phosphating: The function of phosphating is to form a layer of phosphate protective layer on the surface of the pre-treated qualified board. The function of phosphating film is to improve the adhesion of the paint film and improve the corrosion resistance of the board.

5. Water washing: Water washing after phosphating is to clean the phosphating solution attached to the surface of the plate, to prevent the residual phosphate from participating in electrochemical corrosion in the future anti-corrosion process.

6. Pre-degreasing: It is mainly used for spraying, and generally has the effect of removing most oil stains, and heating the substrate to prevent the temperature of the main degreasing liquid from dropping too fast and reduce pollution.

What points should be paid attention to when spraying?

After doing the above work, it can be formally sprayed. Pay attention to the following points when spraying:

1. Spray anti-rust paint, commonly known as a primer. Antirust paint is a coating that protects metal surfaces from chemical or electrochemical corrosion from the atmosphere, seawater, etc. Antirust paint is roughly oily and water-based. Oil-based antirust paint makes it difficult to remove the greasy surface of the material, so it is rarely used. The water-based anti-rust paint can quickly chelate with the metal on the surface to form a dense monomolecular complex protective film, which can effectively inhibit the corrosion of the metal and protect the dump truck.

2. Formal spraying of metal surfaces. Before the Dumper truck is sprayed, the plastic film must be used to protect the cab, tires, frame, electrical equipment, instruments, and other objects that do not need to be sprayed except for metal. Secondly, the spraying of the paint should be sprayed several times, and the next process should be carried out after the surface of the paint is completely dry each time.

After the above process, the dump truck can be delivered after the paint is completely solidified. The processing of paint process should respect the performance characteristics of the chemicals, and should not try to save time and cost!

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