Rotor bob-weight part is one of the most important parts of helicopter, which requires strict precision of the shape bend, surface quality, chemical composition, mechanical properties, and weight warp be controlled in a mini confine.

• 直升机旋翼配重构件是直升机中的重要部件之一,对外形曲面尺寸精度、表面质量、化学成分和机械性能要求极高,并且重量偏差必须控制在很小的范围内。