What if the problem is not just a small scratch, but has been knocked out of the pit, or there is already a big scratch? You can't solve it with a touch-up pen at this time. What is needed is sheet metal and paint. Sheet metal is a comprehensive process of cold working sheet metal and repairing the deformed part of automobile metal shell. If the door is knocked out of the pit, it can be repaired with metal sheets.
What are the main working skills of car door pit sheet metal maintenance?
(1) First, the compressed frame is stretched to the state required by the original data by using a special sheet metal platform.
(2) The next step is fighting. By using hammers with different textures, sizes and shapes and cooperating with various molds, the hitting strength and angle of the performer are controlled, and the bent, concave or convex parts are restored to the state required by the original data.
(3) Then there is the welding repair part. By mastering and skillfully using welding, oxygen welding, argon arc welding and other technologies, the broken and damaged parts will be restored to their original state.
(4) The final work is polishing. Through the cooperation of various polishing materials and instruments, the repaired surface will be polished and leveled to prepare for the painting process.
Through sheet metal work, the potholes caused by the collision of the original doors can be repaired and restored, and the sunken and deformed doors can be restored to their original state without replacing a door.
Repairing the potholes in the door and the potholes on the outside of the car is the best solution. Of course, there is another project after sheet metal, which is painting. Because after the sheet metal work, the paint on the automotive sheet metal will be worn and peeled off due to the operation of tools. Therefore, after the sheet metal work is completed, the sunken automobile door panel should be painted to restore the beauty of the door.
Door pit treatment price
Generally, car owners can't finish the sheet metal work by themselves, and they need to finish it through the garage. If you choose a general repair shop, the price of sheet metal plus painting is about two or three hundred yuan. For economic reasons, car owners can choose a more reliable repair shop. If the construction level and after-sales service are considered, the owner can choose 4S shop to do it. The price may be more expensive, but the quality should be guaranteed. And you can do more professional color matching in painting.