| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method for a laminated core that can produce a laminated core without changing a molding metal mold according to the type of the laminated core nor stopping manufacturing lines.SOLUTION: In a manufacturing method for a laminated core that includes fixing a permanent magnet 5 in a magnet insertion hole 3 by putting a laminated core body 4 which has the permanent magnet 5 inserted into the magnet insertion hole 3 between a molding metal mold 1 and a holding metal mold 2, arranging a caul plate 7 which has a grooved runner 12 extending from a resin reservoir part 6 to the magnet insertion hole 3 and includes a gate hole 11 communicating with the magnet insertion hole 3 in the runner 12 between the molding metal mold 1 and the laminated core body 4, and filling the magnet insertion hole 3 with a mold resin 8 from the resin reservoir part 6 of the molding metal mold 1 through the caul plate 7, the runner 12 of the caul plate 7 has a through hole 14, penetrating the caul plate 7 vertically, formed at a position different from the gate hole 11. |
