This paper expounds the main contents of dynamics design of helicopter drive shafts, which include critical speed, unbalance response, transient response and dynamics tests of shafts.

• 从横向弯曲振动的角度阐述了直升机传动轴系动力学设计的必要性和主要内容,包括轴系的临界转速设计、态不平衡响应设计、加不平衡瞬态响应设计以及相关的振动试验等。