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AssigneeMitsui High-Tec, Inc.
InventorsSatoshi Matsubayashi, Akira Nagai, Go Kato
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A method of manufacturing a laminated core, having a laminated core body 10a formed by laminating plural core sheets 11 and having magnet insertion holes 13, 14 with openings 17, 18 opening to a inner space 15 or an external side, inserting and resin-sealing permanent magnets 20, 21 in the magnet insertion holes 13, 14, with the openings 17, 18 blocked by a blocking member 23, the method including: temporarily connecting blocking member pieces 32 to be the blocking member 23 in each of the core sheets 11 and removing the blocking member 23 with the laminated core body 10a resin-sealed. By this, without a special blocking member, the permanent magnets 20, 21 are resin-sealed while the magnet insertion holes 13, 14, parts of which have the openings 17, 18, are blocked.
A method of manufacturing a laminated core, the laminated core including a laminated core body formed by laminating a plurality of core sheets, the laminated core body having magnet insertion holes with openings opening to a inner space or an external side, inserting permanent magnets in the magnet insertion holes, and resin-sealing the permanent magnets in the magnet insertion holes with the openings blocked by a blocking member, the method comprising:
Dependencies are inferred from the claim text.