正态分布下转轴强度的可靠性设计

Reliability Design of Rotary Shaft Strength under Normal Distribution

针对转轴设计目前存在的问题 ,提出了转轴在静强度和疲劳强度两种失效模式下的可靠度计算方法 ,并采用复合应力法建立了转轴疲劳强度可靠性设计的数学模型 ,该模型运算简便易于应用。

Pointing to the problems of designing rotary shaft,a computing method of the shaft reliability under failure modes of both static strength and fatigue strength is given,a mathematical model of reliability design of fatigue strength is established by way of compound stress method,the model is practical and simple.