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通过对直升机传动系统关重件疲劳设计中各个工作项目的研究,论述了传动系统关重件疲劳设计方法,提出了一种传动系统齿轮疲劳评定的工作流程;通过对传动系统翻修间隔期(TBO)和外场放飞寿命的分析,提出了一种用于直升机传动系统全寿命期内的疲劳定寿技术,同时列出了定寿的基本内容和工作流程,对直升机传动系统的研制、使用、维护和定寿均有一定的理论指导和工程实践意义.
Through the research of various work items in the fatigue design of the critical parts of the helicopter transmission system, the fatigue design method of the critical parts of the transmission system is discussed, and a work flow of the gear fatigue assessment of the transmission system is proposed. ) And the analysis of the flying-out lifetime of helicopters, a fatigue life-spanning technology for helicopter transmission system is put forward in the whole life cycle. At the same time, the basic contents and work flow of life setting are listed. The development, use and maintenance of helicopter transmission system And Dingshou both have some theoretical guidance and practical significance of engineering.