| 摘要 |
PROBLEM TO BE SOLVED: To provide an armature core capable of minimizing reduction of roundness, and to provide a method of manufacturing an armature core and a method of manufacturing an armature.SOLUTION: A stator core 10 is manufactured via a split core arrangement step for arranging split cores 12 annularly, a jig set step for setting the plurality of split cores 12 in a support jig 46, a core member press fit step for integrating the plurality of split cores 12 and a shaft 14 by press fitting the shaft to the shaft core of the plurality of split cores 12. The support jig 46 is provided with a support surface S3 for regulating the movement of the split cores 12 in the circumferential direction by supporting some of them. |
