| 摘要 |
PROBLEM TO BE SOLVED: To avoid burrs which obstruct rotation when molding the insulator on the motor core in one body using a molding machine. SOLUTION: The parting surface P of the molding die is made at the positions other than where the outer surfaces 15f, 15g of the core end insulator 15a, 15b are molded in the core end molding section 23a, 23b.
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