Manufacturing method of a laminated rotor core
    2.
    发明公开
    Manufacturing method of a laminated rotor core 有权
    层叠Rotorkörers的制造方法

    公开(公告)号:EP2466732A3

    公开(公告)日:2012-08-08

    申请号:EP12157665.6

    申请日:2007-09-12

    发明人: Myojin, Iwao

    摘要: A method for manufacturing a rotor core comprising a stamping step of forming a plurality of band-shaped core sheets (11), (12) having arc-shaped segment core sheets (15), (15a), the adjacent segment core sheets (15), (15a) connected together by narrow-width connecting portions (16), (16a) provided therebetween, the segment core sheets (15), (15a) having a plurality of pole sections (13), (14), (13a), (14a) protruding radially outward; and an annular shape forming step of winding the plurality of band-shaped core sheets (11), (12) in a spiral form while bending the band-shaped core sheets (11), (12) at the connecting portions (16), (16a) and superimposing the pole sections (13), (14), (13a), (14a) vertically one on another, thereby laminating the band-shaped core sheets (11), (12); wherein in the stamping step, notches (23a), (23) to be positioned in correspondence with the connecting portions (16), (16a) bent in the annular shape forming step are formed at radially outward sides of joining portions (22a), (22), the joining portions joining the adjacent pole sections (13a), (14a), (13), (14) in the segment core sheets (15a), (15) and positioned above and below the bent connecting portions (16), (16a).

    Manufacturing method of a laminated rotor core
    3.
    发明公开
    Manufacturing method of a laminated rotor core 有权
    Herstellungsverfahren eines laminenertenRotorkörpers

    公开(公告)号:EP2466732A2

    公开(公告)日:2012-06-20

    申请号:EP12157665.6

    申请日:2007-09-12

    发明人: Myojin, Iwao

    摘要: A method for manufacturing a rotor core comprising a stamping step of forming a plurality of band-shaped core sheets (11), (12) having arc-shaped segment core sheets (15), (15a), the adjacent segment core sheets (15), (15a) connected together by narrow-width connecting portions (16), (16a) provided therebetween, the segment core sheets (15), (15a) having a plurality of pole sections (13), (14), (13a), (14a) protruding radially outward; and an annular shape forming step of winding the plurality of band-shaped core sheets (11), (12) in a spiral form while bending the band-shaped core sheets (11), (12) at the connecting portions (16), (16a) and superimposing the pole sections (13), (14), (13a), (14a) vertically one on another, thereby laminating the band-shaped core sheets (11), (12); wherein in the stamping step, notches (23a), (23) to be positioned in correspondence with the connecting portions (16), (16a) bent in the annular shape forming step are formed at radially outward sides of joining portions (22a), (22), the joining portions joining the adjacent pole sections (13a), (14a), (13), (14) in the segment core sheets (15a), (15) and positioned above and below the bent connecting portions (16), (16a).

    摘要翻译: 一种制造转子芯的方法,包括形成多个带状的芯片(11),(12)的冲压步骤,具有弧形分段芯片(15),(15a),相邻的分段芯片(15) ),通过设置在其间的窄宽度连接部(16),(16a)连接在一起的分段铁芯片(15),(15a),具有多个极部(13),(14),(13a ),(14a)径向向外突出; 以及在连接部分(16)处弯曲所述带状芯片(11),(12)的同时以螺旋形式卷绕所述多个带状芯片(11),(12)的环形形状步骤, (16a)并将所述极片部分(13),(14),(13a),(14a)垂直叠置,从而层叠所述带状芯片(11),(12); 其特征在于,在所述冲压工序中,在连接部(22a)的径向外侧形成有与环状形成工序中弯曲的连接部(16),(16a)对应地设置的切口(23a),(23) (22),分段铁芯片(15a),(15)中的相邻的极部(13a),(14a),(13),(14)接合并且位于弯曲连接部(16)的上下 ),(16a)。