Apparatus And Method For Manufacturing Laminated Core

Abstract: A manufacturing apparatus 100 comprises: a punch 12; a punching die 14 disposed under the punch 12; a first holding part 16 disposed under the punching die 14; a second holding part 18 disposed under the first holding part 16 and composed of a member different from the first holding part 16; and a heating part 20 disposed around the second holding part 18 under the first holding part 16. A plurality of core sheets 1a are punched from a steel strip 1 by the punch 12 and the punching die 14, the plurality of core sheets 1a are pressed downward by the punch 12 while the outer peripheral parts of the plurality of punched core sheets 1a are pressed from the side by the first holding part 16, and the plurality of core sheets 1a being pressed downward by the punch 12 are heated by the heating part 20 while being held inside the second holding part 18.

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