This paper explores physical essence of overrunning clutch torsion stiffness, builds torsion stiffness mathematical model and give calculation method of torsion stiffness in miler overrunning clutch.

• 摘要分析了滚柱式超越离合器扭转刚度的物理本质，建立扭转刚度的数学模型，给出了滚柱式超越离合器扭转刚度的计算方法。