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单词 Frictional torque
释义

Frictional torque

中文百科

摩擦力矩 Friction torque

(重定向自Frictional torque)

摩擦力矩是因二物体有接触时,因摩擦力产生的力矩,像圆柱或球形物体在地面上的滚动就是摩擦力矩造成。

摩擦力矩可能会在工程上有破坏性的影响,因此有许多方法可以减少摩擦力矩的产生。例如滚珠轴承就是一个可以减小摩擦力矩的设备。

有些工程应用也会用到摩擦力矩,例如螺丝或是螺栓都是设计可以用适当力矩可以锁紧,而且其摩擦力也足以让也会让螺丝或是螺栓在使用时仍为锁紧的状态。尤其像固定轮子在车辆上的螺帽,或是会受到振动的设备,设计良好的螺丝、螺帽或螺栓可以避免因振动而松脱。

英语百科

Friction torque 摩擦力矩

(重定向自Frictional torque)
This image displays an example situation where there is an active frictional torque. The large black vector arrow represents the primary force acting on the bar (the thick black line), causing it to rotate around the gray dot at its opposite end which represents an axle. The large red vector arrow represents the torque caused by the primary force. The small black vector arrow represents the frictional force caused by the bar sliding across the second bar (grey).

Friction torque is the torque caused by the frictional force that occurs when two objects in contact move. Like all torques, it is a rotational force which may be measured newton metres or pounds-feet.

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更新时间:2025/6/18 2:27:46