1. Sheet metal technology is usually applied to bump damage
2, action on the body warping, distortion sheet metal parts due to impact, hanging brush or improper use will warping, skew and other deformation phenomenon, at this time can be used mechanical method or flame heating percussion method to eliminate.
3. Damage or perforation To modify the perforated surface of sheet metal parts that hit damaged goods, the method of applying adhesive can be used to repair the surface. The application of applying adhesive repair equipment is less, the cost is low, the repair speed is fast, and the repair process is very simple.
4. Crack: the crack of sheet metal parts can be repaired by gas welding carbon dioxide protection welding.
5, local serious damage When the sheet metal parts occur local serious damage, often use the repair method of excavation.
