What materials are currently commonly used for automotive sheet metal parts?

2024-04-09 08:52:56

Automobile sheet metal is a technical means of automobile repair. In this regard, automobile sheet metal is equal to automobile sheet metal repair. It refers to the repair of the car body after a collision, that is, except for the anti-corrosion and decorative spraying of the car body. Work.

Such as automobile body damage analysis, automobile body measurement, automobile body sheet metal shaping, stretch correction, stress relief welding, and automobile body accessories assembly and adjustment, etc.

Automobile sheet metal is a processing method for automobile maintenance, also called cold work. To put it bluntly, if the appearance of the car body is damaged and deformed, the sheet metal process is required. Automobile collision repair has developed from the original "smashing, pulling and welding repair" to secondary body manufacturing and assembly.

The repair of a vehicle in a collision accident is no longer a simple matter of banging on the sheet metal of the car. The quality of the repair cannot rely solely on observing the appearance and gaps of the vehicle with the naked eye. Maintenance personnel must not only understand the technical parameters and dimensions of the car body, but also master the material characteristics of the car body, the transmission of force characteristics, the deformation trend and stress points of the car body, and the production process of the car body, such as welding processes.

Sheet metal is a type of auto repair work, mainly for the appearance of the car body. The replacement, repair, correction and painting of the external car body (such as bumpers, doors) also belong to the sheet metal work area. There is also a specific division of labor in sheet metal, in a broad sense. Sheet metal and above are all covered.

In the narrow sense, sheet metal only involves replacing the outer car body, and generally repairing the shape of the car through welding, orthopedics, etc. In the broad sense, sheet metal also includes puttying, grinding, spray painting, and polishing, which are all done internally. Each has its own division of labor. When we talk about sheet metal, we generally mean it in a broad sense.