1 wheel hub scratch repair. The edge of the hub is scratched and damaged, which is a very common hub damage. When the automobile hub rotates near the road edge, it is easy to damage the outer edge of the hub. Faced with this situation, we can use professional welding technology to repair and renovate. The wheel hub edge is damaged, and the automobile wheel hub is accidentally hit by a hard object, which will cause the wheel hub edge to break. Usually, in this case, it is necessary to replace the automobile tires, and then repair and renovate the wheel hub by welding. 2 repair method of the gap on the edge of the wheel hub When the hard wheel hub is strongly hit by a hard object, the edge of the automobile wheel hub will hit the gap. According to the shape of the gap, the wheel hub repair expert carries out surfacing welding, sealing test and surface treatment to repair it. The wheel hub is broken, so we can't ignore this tiny crack, which has a very serious safety hazard and even endangers driving safety. The edge gap of the wheel hub can be repaired by crack welding, grinding and baking paint. 3. Repair method of wheel hub distortion After the automobile wheel hub is violently hit, it is easy to cause the bending deformation of the wheel hub rim, which is a serious damage. As long as the structure of the hub is not too damaged, the damaged hub can be repaired by hub maintenance equipment and special technology. The hub will turn yellow if it is used for a long time. This will not only affect the shape of the hub, but also affect the shape of the car. If the wheel hub is distorted, it can be refurbished by original processes such as baking paint, wire drawing and polishing.