| 摘要 |
PURPOSE:To facilitate the manufacture of a stepping motor by respectively displacing the Tees of poles which are disposed at right and left halves of an outer wheel yoke in the suitable distance from the central axis of the poles, punching and laminating them. CONSTITUTION:The unit stator core of a stepping motor has an outer wheel yoke Y', a plurality of poles P1'-P8' projected from the inner peripheral surface of the yoke Y', a plurality of Tees T1'-T8' disposed circularly at an equal interval at the ends of the poles P1'-P8', respectively, and a plurality of semi- punched recesses K1-K4 formed symmetrically at the point in the laminating direction of the yoke Y'. The Tees T1'-T4' of the poles P1'-P4' disposed at the left half of the yoke Y' are displaced clockwise by 1/4 of the Tees pitch from the central axes of the poles P1'-P4', and the Tees T5'-T8' of the poles P5'- P8' disposed at the right half of the yoke Y' are displaced counterclockwise by 1/4 pitch of the Tees pitch from the central axes of the poles P5'-P8'. |
