Part status零部件状态

Before the repaired car or parts are sent to the paint shop for painting, the surface must be smoothed, the seams filled, and the surface must be polished with sandpaper. This preparation process is completed by the sheet metal worker.维修好的汽车或零件送交油漆车间喷漆前，表面必须平整，填缝，表面必须用砂纸打磨，该准备工序由钣金工完成

The body and floor components are mainly cold stamped from steel plates. Therefore, the parts damaged in the accident should use the same method to restore their shape.车身及地板部件主要是用钢板冷冲压成形的，因此，事故损伤部位应采用同样的方法恢复其形状

If the damaged part cannot be restored to its original state, the adjacent parts should be corrected, then the damaged part should be disassembled and replaced according to the integrity of the part.若损伤部件不能按原样恢复，则应校正其相邻部位后，将损伤部位拆卸掉，按照零件的整体性进行更换

Before replacing key parts of the car body, be sure to use a universal body correction frame to calibrate the car body, and then determine the damaged parts to be replaced.进行车身关键部件更换前，一定要利用通用式车身校正架校正车身，然后确定要更换的损坏部件

Before welding, you must accurately position the components and then measure to ensure that the components meet the body size requirements before welding.进行焊接之前一定要进行准确的部件定位，然后进行测量，确保部件符合车身尺寸要求后进行焊接

Before disassembling, you must understand the welding and assembly relationships between body sheet metal parts. It is not recommended to cut the parts individually. After cutting and welding, the rigidity, driving safety and maintenance convenience of the entire vehicle will be affected.进行拆卸前一定要了解车身钣金件之间的焊接装配关系。不建议对零件进行单体切割，经切割和焊接后将影响整车刚度、行驶安全性和维修方便性等

During the welding process, take frequent measurements to ensure correct assembly.焊接过程中，经常测量以保证装配正确