主惯性轴 meaning in English
mass axis
principal inertia axis
Examples
- Central principal inertia axis
中心主惯性轴 - Rigid rotor is unbalancing if its axis of rotation is not uniform with its central principal inertia axis , . unbalance imposes cyclic forces on bearings and shafts , producing vibaration , even damaging machinery
刚性转子的旋转轴线如果与其中心主惯性轴不重合，则此转子是不平衡的，不平衡将会在轴承上产生周期性惯性力，引起振动，甚至损坏机器设备。