| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a stepping motor which is easily assembled, secures stable performance, and is suitable for mass production, and to provide a manufacturing method of the stepping motor.SOLUTION: A stepping motor includes: a motor rotary shaft; a first cylinder fixed to the outer side of the motor rotary shaft and including an exciting coil and a pair of first stators provided in an axial direction of the motor rotary shaft; a pair of permanent magnets which is integrated with the motor rotary shaft through at least a bearing pivotally supporting the motor rotary shaft and faces the first stators; a pair of second stators which is fixed to the opposite side of the first stators sandwiching the permanent magnets therebetween and faces the permanent magnets; a pair of second cylinders respectively fixing the second stators. The second cylinders are fit into the first cylinder.</p> |
