Vorrichtung und Verfahren zur Herstellung eines Laminierten Eisenkerns

Details

Veröffentlichungs-Nr.

EP4787684

Anmeldetag

15. November 2024

Veröffentlichung

22. Mai 2025

Rechtsraum

EP

Abstract

Provided are a manufacturing device for laminated core and a manufacturing method for laminated core that can suppress unnecessary spreading of adhesive and reduce the risk of the adhesive entering unintended areas. The manufacturing device 1 for a laminated core according to the present invention is a manufacturing device 1 for manufacturing a laminated core 4 in which core sheets 3 having a predetermined shape are formed by punching from a steel sheet 2 and a predetermined number of the core sheets 3 are laminated and bonded, the manufacturing device 1 including: an adhesive applicator 14 that applies an adhesive 140 to portions 2a of the steel sheet 2 corresponding to the core sheets 3; and a punching portion 15 including a die including an upper die 130 and a lower die 131, the punching portion 15 being configured to punch out the core sheets 3 from the steel sheet 2 after the adhesive 140 has been applied by the adhesive applicator 14, wherein the upper die 130 or the lower die 131 comprises a recess 50 disposed at a position corresponding to the portion 2a where the adhesive 140 has been applied, and a vent 51 that communicates an internal space of the recess 50 with the outside of the upper die 130 or the lower die 131.

Anmelder

Firma

Nippon Steel Corporation

Land

🇯🇵 Japan