Sheet metal is a technical means of repairing cars. In this respect, automotive sheet metal is equal to automotive sheet metal's repair, which means that the car body should be repaired after the collision, that is, all the work except the anti-corrosion and decorative spraying of the car body. Such as body damage analysis, body measurement, body sheet metal shaping, stretching correction, stress relief welding, body accessories assembly adjustment, etc.
The concave-convex damage should be repaired by sheet metal, and the concave-convex damage of sheet metal can be repaired by hammering or jacking. Different treatment methods are used for the same situation. Of course, the process flow is different with different concave and convex degrees, and the material of the fuselage should be considered.