Auto sheet metal painting is usually divided into several steps?

2024-09-19 11:34:25

Automobile sheet metal painting is an automobile repair technology, which repairs the deformed part of the automobile metal shell. For example, the car body shell is hit a pit, it can be restored by sheet metal, and then by spraying special paint, so that the deformed metal surface of the car is restored to the original, bright as before. Auto sheet metal painting is usually divided into 3 steps:

(1) The first primer: fill the sand marks and microholes on the bottom of the workpiece, increase the adhesion of the lower coating, and also have the effect of defect indication.

(2) Medium primer: It is a very important coating part to prepare a complete smooth working surface for the top paint, complete the last process of all the primer work, increase the adhesion of the intervening layer and have the isolation effect to ensure the quality and stability of the top paint.

(3) Top paint: Top paint is divided into single-layer paint and multi-layer paint, which is the determination of the color layer and the decorative protective layer, single-layer paint we generally call plain paint, also known as ordinary paint, can be completed in one layer. Multi-layer paint is divided into silver powder series paint and pearl series paint, divided into double and multi-layer construction process completed paint, silver powder paint is made of special aluminum material by research, with high protection and outdoor stability and strong visibility, pearl series paint is made from mica sheet and shell and other materials through high-tech preparation, is a rich color and highly decorative high-grade paint. The spraying quality of the top paint part is very high, to achieve clean, plump, bright, not hanging, uniform luster, no leakage spray, no flaring, leveling good, not biting the bottom, not fickle, not biased color, these all aspects to achieve the position, it is not an easy task, the need for rich experience and fault prearrangement ability. No matter how good the painting technology is in the later period, there will be color differences over a long time, and the repaired paint will age faster than the original paint. This is because the repair paint is not as good as the original paint, and the spraying process and environment are also very different from the original paint.

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