汽车发生碰撞,不仅会造成翼子板、前围板等部位出现损伤,还会使发动机室盖罩出现拱起、凹陷及褶皱等损伤,因此在修复翼子板、前围板等部件的同时,还需将发动机室盖罩拆卸下来,以便进行全面修复。发动机室盖罩损伤修复步骤如下。(1)拆下发动机室盖罩固定螺栓,将拆下的发动机室盖罩移至修复工作台。(2)鉴别损伤范围,判断损伤程度,确定维修方案。本文以长度为10cm,宽度为4cm,深度为1cm的平面筋线损伤(图1)为例。 Car collision will not only cause damage to the fenders, dash panels and other parts, but also damage, such as arching, depression and folds, in the hood of the engine room. Therefore, while repairing fender and dash panels, , Also need to remove the engine room cover, in order to carry out a comprehensive repair. Engine compartment cover damage repair steps are as follows. (1) Remove the engine room cover fixing bolt and move the removed engine room cover to the repair workbench. (2) identify the scope of damage, determine the extent of damage, determine the maintenance program. In this paper, the length of 10cm, width 4cm, depth of 1cm flat muscle injury (Figure 1) as an example.