| 摘要 |
In the present invention, disclosed is a step motor which includes a housing, a stator part which is arranged in the housing, a rotor part which includes a nut screw which is arranged to rotate with the stator part and a rotor magnet which is arranged on the outer circumference of the nut screw, a lead screw part which is connected to the nut screw and linearly moves, and a detecting unit which detects the rotation of the rotor magnet. |
