| 摘要 |
An stator manufacturing apparatus including: a stator core having radial slots formed at positions in a circumferential direction so as to open in an inner peripheral surface thereof; and a rectangular cross-section rectangular wire formed in a substantially cylindrical shape and forms a coil winding, and has linear portions that are respectively disposed in the radial slots and formed in parallel to the slots, continuous portions that alternately connect one end of the adjacent ones of the linear portions to each other and alternately connect the other end thereof to each other, and bent portions that are formed by bending one end side of the linear portions radially inward. The rectangular wire is disposed on the stator core in a distributed winding arrangement. The apparatus includes an substantially cylindrically-shaped insertion jig from which the rectangular wire is axially detachable, and having protrusions respectively provided at positions aligned with the slots on an outer peripheral surface thereof to protrude radially, and one end-side restricting members respectively provided at positions offset from the protrusions formed in the circumferential direction on an inner diameter side of an inscribed circle of teeth each located between adjacent ones of the slots so as to protrude toward one axial end side. The radial positions of the linear portions are restricted by disposing the rectangular wire from one end side of the insertion jig and disposing the linear portions so as to radially overlap the protrusions, respectively, and circumferential positions of the linear portions are restricted by disposing each of the bent portions between the one end-side restricting members. With the linear portions and the slots being aligned with each other, the insertion jig is inserted into the stator core from the one end side of the insertion jig, and is removed from the stator core toward the other end side, so as to respectively dispose the linear portions at predetermined positions in the slots.
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