| 摘要 |
PURPOSE:To improve the torque characteristics of a pulse motor by selecting the displacement of the pitch of teeth of a rotor and a stator to the prescribed value. CONSTITUTION:When the actual number of teeth of the salient poles of a stator S arranged on the inside is represented by Ns, and the number of modes is represented by m, the pitch Ps of the teeth of the salient pole is displaced by 2pi/(mXNs) with respect to the pitch Pr of the teeth of the rotor R. Thus, the detent torque becomes integer times of mXNs, and the detent torque can be reduced. In this embodiment, the detent torque becomes the integer times of twentieth from 4X5=20, and the component is extremely small, and smooth rotation can be accordingly provided. |
