Besides the property of the asynchronous motor,the taper asynchronous motor can daff the detent easily,because magnetic force is generated when stator three-phrase windings connect to the electricity.

锥形异步电动机除具有一异步电动机性能外,还因定子三相绕组接通电源时产生轴向磁拉力,可开制动器,从而使锥形异步电动机正常运行。