MAGNETIC POLE LAMINATE OF ROTATING MACHINE

PROBLEM TO BE SOLVED: To ensure the strength of transition sections, and to prevent deformation and breaking while reducing leakage flux, by installing work hardening sections by compressive deformation among magnetic poles in each laminated plate consisting of disks or ring-shapes having a fixed number of the magnetic poles on circumferences or the narrow-width transition sections tying the magnetic poles and other laminated plate sections. SOLUTION: Work hardening sections 53, to which compressive deformation treatment is executed, are mounted on parts of the transition sections 27 of each laminated plate 51 constituting the pole laminate of a rotor interposed in a stator for a rotating machine. Since the work hardening sections 53 are kept within a range in the circumferential direction B centering around the shoulder section corner of an opening section 25 for a magnet, the wall thickness t1 is made thinner than those T1 of other sections of the laminated plates 51, and air gaps 55 are generated among each laminated plate 51. Accordingly, strength against external force in the work hardening sections 53 is increased while reluctance is elevated, the strength of the transition sections 27 is ensured and deformation and breaking are prevented, and leakage flux is redeuced and the performance of the rotating machine can be improved. The same treatment can also be conducted in the stator for the rotating machine.