Mitsui High-tec Incorporated

Shogo Tezuka

Akira Nagai

Takashi Fukumoto

Jin Oda

Mei Ogata

The method includes a step of aligning and laminating enlarged iron core pieces including iron core pieces and dummy piece parts and forming a composite laminated iron core integrally including a dummy laminated part with the dummy piece parts laminated and a laminated iron core, a step of placing and positioning the composite laminated iron core on a jig and removing the dummy laminated part, and a step of mutually bonding the laminated iron core body with the dummy laminated part removed to form the laminated iron core.

Method for manufacturing laminated core

A laminated coreincluding a plurality of laminated iron core pieces, each of the iron core pieces being connected in a laminating direction by filling resin in a plurality of resin holes penetrating the laminated corein the laminating direction, and a method for manufacturing the laminated core, by making a junction area of an iron core piece (A)and resin larger than a junction area of an iron core piece (U)and resin, the iron core piece (A)being provided on an end in an axial direction, the iron core pieces (U)being arranged at positions other than the end in the axial direction, or by providing locking portions at tip portions of resin, acquired joint strength of the iron core piece (A)

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Fukuoka, Japan

Shogo Tezuka