Automotive sheet metal spray painting is a kind of automobile repair technology, which repairs a deformed part of automobile metal shell. For example, if the car body shell is knocked out of the pit, it can be restored according to the sheet metal parts, and then the deformed car metal surface can be repaired to the same brightness as other intact areas with special paint. After the body is calibrated according to the sheet metal parts, there are still some irreparable defects in the work of sheet metal parts. Even if new parts are removed and replaced, there will be imperfections. In order to ensure more extreme accuracy, the shortcomings must be filled by engraving technology. After the automobile is deformed and damaged for other reasons, its pingdu city, wheel angle, wireframe,

Every position should be scraped with ash to make up for polishing. The calculation with this formula shows that: scraping ash = repairing body skin = abrasive = mold manufacturing program flow, and the body skin of any automobile is made of stamping die. Repairing the body skin is just like repairing abrasives, so our plastic scraping molding process should be consistent with mold manufacturing, which is impossible for ordinary painters. Many painters who have worked for many years will feel that it is easy to spray a car well, it is difficult to make a piece of ash well, and it is difficult to grind a ball of ash in ten years. The person who said this sentence may really understand what car paint is.

If the door is not damaged by paint, it can be repaired without leaving a trace. If it is well understood, it is like the pit of the toilet, which is used to exhaust and suck it up. If it is damaged by paint, it should be repaired in a special garage or 4S with automotive sheet metal, and then sprayed. Dent repair means that for smaller dents, sectional professional tools are used to extend from the keyhole of the door frame, and small motors are used to push out the dent position from the inside out; Then the hammer and the cone are matched with each other, and the convex and concave points on the ground are leveled by manual tapping from outside to inside; Finally, the car paint is removed and polished.

This kind of dent has no fading, but the total area is large and the dent is complicated, so it is difficult to repair it without damage. It also has two tests: the M mark is on the edge of the dent, which endangers the leveling of the ground in the middle and late period. The dent is closer to the wheel brow, and the original diagonal/corner is very easy to be destroyed, which is unsightly. Similar aluminum bodies are: Land Rover Range Rover, Jaguar, most of Tesla's cars, Cadillac CT6, new Mercedes-Benz CLS, Audi A8 and so on. Once the aluminum body panel of this high-end car is damaged, it usually needs to be repaired as a whole unless it is a small scratch. At this time, both nondestructive repair and sheet metal parts no longer work.