DYNAMO-ELECTRIC MACHINE

PROBLEM TO BE SOLVED: To provide an easy-to-assemble dynamo-electric machine in which positional deviation of an insulation member can be regulated in the axial direction.SOLUTION: The dynamo-electric machine comprises a planar insulation member 33 interposed between coils adjoining in the circumferential direction. Elastically deformable micro protrusions 48 protruding radially inward are formed on the inner side 42 of the insulation member 33 abutting against the inner coating 25 of an insulator 17. The micro protrusions 48 are formed so that the insulation member 33 can be inserted between the coils from the axial direction, and engages with the axial end face of the inner coating 25 when the micro protrusions 48 deform elastically.