STATOR MANUFACTURING METHOD, STATOR, AND MOTOR
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Sep 27, 2024
filing date -
Sep 27, 2024
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Abstract
A method of manufacturing a stator includes a pressing step of punching an iron core piece forming part from a steel sheet by press molding, a mounting step of mounting insulating paper on each of a plurality of protruding portions arranged in a circumferential direction on an outer peripheral surface of a columnar roll member rotating about a central axis and extending along the central axis, and a stacking step of spirally winding the iron core piece forming part around the outer peripheral surface of the roll member while deforming it in one direction in a width direction by rotating the roll member in a state where the protruding portion and the insulating paper are inserted into a slot, and stacking the iron core piece forming part in a thickness direction.
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