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    STATOR LAMINATED IRON CORE MANUFACTURING METHOD AND STATOR LAMINATED IRON CORE
    3.
    发明公开
    STATOR LAMINATED IRON CORE MANUFACTURING METHOD AND STATOR LAMINATED IRON CORE 审中-公开

    公开(公告)号：EP3582375A1

    公开(公告)日：2019-12-18

    申请号：EP18751507.7

    申请日：2018-01-23

    申请人： Mitsui High-Tec, Inc.

    发明人： MYOJIN, Iwao ,  HASUO, Yusuke ,  ETO, Yusuke ,  NAKAYAMA, Hayato

    IPC分类号： H02K15/12 ,  H02K3/34

    摘要： A method of manufacturing a stacked stator core comprises: a first step of obtaining a stack configured such that a plurality of core members are stacked, the stack comprising an annular yoke portion and a plurality of tooth portions extending from the yoke portion in a crossing direction crossing the yoke portion; a second step of inserting a mold core member into each of plurality of slots, each of the plurality of slots being a space formed between adjacent two of the plurality of tooth portions in a circumferential direction of the yoke portion; and a third step of forming a resin portion by charging a melted resin into a filling space between the slot and the mold core member. In the second step, a body portion of the mold core member extends along an extending direction of the slot and is spaced apart from an inner wall surface of the slot, and a closing portion of the mold core member is positioned on the slot opening side of the slot and closes an open end portion of the slot on the slot opening side, the closing portion being connected to the body portion.

    METHOD FOR PROCESSING LAMINATED MEMBER
    4.
    发明公开
    METHOD FOR PROCESSING LAMINATED MEMBER 审中-公开

    公开(公告)号：EP3409396A1

    公开(公告)日：2018-12-05

    申请号：EP16887911.2

    申请日：2016-01-27

    申请人： Mitsui High-Tec, Inc.

    发明人： HASHIMOTO Akihiro ,  IIDA Tadashi ,  IZUMI Masahiro

    IPC分类号： B21D28/02

    CPC分类号： B21D28/02

    摘要： At least one caulking group (13) that includes a plurality of caulking parts (14, 15) with different directions is formed on a plurality of thin plates (10) placed in a stacked state to fix the position of the stacked thin plates (10), and then a preset punching process is performed with respect to the thin plates (10) that have been positioned with pilot holes (12). This makes it possible to perform a high-accuracy punching process when punching the plurality of thin plates (10) placed in a stacked state, since positional deviations between the thin plates (10) are avoided and pilot pins (11) are prevented from deforming the periphery of the pilot holes (12).

    METAL PRODUCT MANUFACTURING METHOD
    5.
    发明公开
    METAL PRODUCT MANUFACTURING METHOD 审中-公开

    公开(公告)号：EP3406391A1

    公开(公告)日：2018-11-28

    申请号：EP18173110.0

    申请日：2018-05-18

    申请人： Mitsui High-Tec, Inc.

    发明人： ODA, Jin ,  SATAKE, Junya

    IPC分类号： B23K26/03 ,  B23K26/352 ,  G06K1/12 ,  B23K101/00

    摘要： A method of manufacturing a metal product includes forming a first identification code onto a surface of a metal member with a laser beam, the first identification code being readable under a first reading condition, and heating the metal member on which the identification code is formed. The method further includes reading the first identification code with a reading device, and forming a second identification code onto the surface of the metal member subsequent to the heating with a laser beam based on the first identification code which is read with the reading device. The second identification code is readable under a second reading condition different from the first reading condition.

    SEGMENTED LAMINATED CORE AND METHOD FOR MANUFACTURING THE SAME
    6.
    发明公开
    SEGMENTED LAMINATED CORE AND METHOD FOR MANUFACTURING THE SAME 审中-公开
    SEGMENTIERTER，LAMINIERTER ROTORKERN UND VERFAHREN ZUR HERSTELLUNG DAVON

    公开(公告)号：EP3093963A1

    公开(公告)日：2016-11-16

    申请号：EP16168221.6

    申请日：2016-05-04

    申请人： Mitsui High-Tec, Inc.

    发明人： IZUMI, Masahiro ,  HASUO, Yusuke

    IPC分类号： H02K15/02

    CPC分类号： H02K15/02 ,  H02K1/12 ,  H02K15/024 ,  H02K2201/09

    摘要： This disclosure preferably relates to a method for manufacturing a segmented laminated core. This method includes (A) feeding a metal sheet to a progressive die, (B) stamping out workpieces in the progressive die, workpieces each include a plurality of pieces aligned in the circumferential direction with a circumferential part, and (C) fastening the workpieces together to obtain a segmented laminated core. The step (B) may include (b1) performing cutting-and-bending processing to form a slit line and a bending line across a region configured to be the circumferential part, (b2) returning by push-back a bent part that is a portion between the slit line and the bending line to an original position, and/or (b3) forming a swaged portion on the bent part. The step (C) may include (c1) fastening the workpieces by the swaged portion.

    摘要翻译： 本公开内容优选地涉及一种用于制造分段层压芯的方法。 该方法包括：（A）将金属板供给到行进模具，（B）冲压行进模具中的工件，工件各自包括沿周向排列的多个零件和周向部分，（C）将工件 一起获得分段层压芯。 步骤（B）可以包括（b1）进行切割和弯曲加工以形成跨越构成为圆周部分的区域的切割线和弯曲线，（b2）通过向后推回作为圆周部分的弯曲部分 切割线和弯曲线之间的部分到原始位置，和/或（b3）在弯曲部分上形成锻模部分。 步骤（C）可以包括（c1）通过模锻部分紧固工件。

    Method of resin sealing permanent magnets in laminated rotor core
    9.
    发明公开
    Method of resin sealing permanent magnets in laminated rotor core 有权
    维也纳国家革命组织

    公开(公告)号：EP2793378A3

    公开(公告)日：2015-12-09

    申请号：EP14172846.9

    申请日：2006-01-16

    申请人： Mitsui High-Tec, Inc.

    发明人： Matsubayashi, Satoshi ,  Mabu, Hirotoshi ,  Amano, Katsumi ,  Shiraishi, Atsushi

    IPC分类号： H02K15/03 ,  H02K15/12 ,  H02K1/27

    CPC分类号： H02K15/12 ,  H02K1/276 ,  H02K15/03

    摘要： A method of resin sealing permanent magnets 47 respectively in a plurality of magnet insertion holes 46 in a laminated rotor core 36 comprising: 1) a first step of inserting the permanent magnets respectively in a plurality of magnet insertion holes 46 in the laminated rotor core 36 formed by a stack of a plurality of core pieces; 2) a second step of disposing the laminated rotor core 36 between a lower die 29 and an upper die 37, the lower die 29 being provided for placing the laminated rotor core 36 thereon, the upper die 37 pairing with the lower die 29 and having resin reservoir pots 50; 3) a third step of pressing and heating the laminated rotor core 36 by the upper die 37 and the lower die 29, each of which being provided with heating means, while heating and liquefying raw resin material put in the resin reservoir pots 50 by the upper die 37; and 4) a fourth step of filling the magnet insertion holes 46 with the liquefied resin material from the upper die 37 by ejecting the liquefied resin material from the resin reservoir pots 50 by plungers 52, the plunger being inserted and moving vertically in the resin reservoir pots 50, wherein a bottom portion of the lower die 29 is placed on a heat insulating plate 28.

    摘要翻译： 本发明涉及一种层叠转子铁心中的永久磁铁的树脂密封方法，其特征在于，包括将永久磁铁分别插入由多个芯片的叠层形成的叠层转子铁心中的多个磁体插入孔中， 转子芯在下模和上模之间，其特征在于，层压转子芯在其中心具有轴孔，层压转子芯在层压的状态下设置在上模和下模之间 转子芯放置在具有安装在层叠转子芯的轴孔中的引导构件的托架上。