The characteristic of this integral wing-skin panel is that the skin and the grid-type ribs is a whole body, it is very difficult to form the machined panel into required shape.

• 整体壁板结构特点为蒙皮和纵横交错的加强筋为一整体,将机械加工后的平面外形的壁板毛坯成形为具有复杂曲面外形的壁板零件具有很大的难度。