| 摘要 |
PROBLEM TO BE SOLVED: To restrain generation of low efficiency, vibration or noise in a motor, by facilitating assurance of high mechanical precision in manufacturing a motor stator. SOLUTION: In this motor stator formed in an annular manner by stacking a predetermined quantity of magnetic materials where a plurality of core pieces are jointed through jointing sections, positioning jointing section butting surfaces on both sides of the jointing sections, forming end butting surfaces at the core pieces on both ends, folding the respective jointing sections and butting the jointing section butting surfaces after winding around the core pieces, and finally butting the end butting surfaces to each other, the shape of the end butting surface is formed into a doglegged shape.
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