When repairing the dents of automobile doors, attention should be paid to painting to restore the surface color of automobile paint, increase the hardness and brightness of automobile paint surface, scrape and polish putty, level off the deoxidized primer on the surface of automobile body to prevent iron sheet from rusting, and spray and polish the intermediate primer to increase the adhesion of automobile paint. After painting, the painted surface should be treated.

First of all, the dent on the car door can be repaired by sheet metal painting, and the process flow is as follows: sheet metal treatment: the dent on the car body must be hammered and welded before it can be restored to its original state. Putty treatment: In Tu Ping, a kind of clay (commonly known as putty) is coated on the uneven place behind the sheet metal. Polishing: The concave and convex surface of putty should be polished with different types of sandpaper. Primer: To prevent rust, a layer of antirust paint should be applied. Color matching: before painting, in order to make the car body color consistent, it is necessary to color the paint according to the color sample. Spray paint: spray paint on the damaged surface. Paint coating: paint surface needs to be dried quickly, and vehicles need to enter spray booth for "drying" operation. Installation parts: the parts removed before installing the metal plate. Second, if the dent in the car door does not damage the car paint, you can buy a set of paint-free dent repair agent to repair it. If the paint is damaged, it should be repainted. If you go to a regular shop to paint, there will be no cracks in the paint surface in the future.

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