为了提供转子铁心的制造方法，其可减少在制造具有多个铁心片转子芯的劳力。 和轴，多个芯件，和制造具有填充部分，其覆盖至少一部分彼此分离地沿圆周方向设置在所述轴的径向向外的转子铁心的制造方法的芯件，该轴 具有中心孔在一个方向上贯穿的大致圆环状的废料部分71，具有芯板37构成在径向上与废料部分71串联布置的向内废料部分71的铁心片的一部分的板部件，所述 步骤S1中用于形成成形通过层压板构件，用于安装叠层体，在模具中该轴，熔融树脂或非磁性模具中的步骤S3具有芯片的层叠体的步骤S2 浇注材料包含至少部分地形成定位在所述芯件，则步骤S4用于形成模制体，用于分离废料部分与所述芯板部分的步骤S5之间的填充部。 点域7

The present invention provides a method of manufacturing a rotor core can be reduced labor in the manufacture of a rotor core having a plurality of core pieces.
And A shaft, a plurality of core pieces, and core pieces of a method of manufacturing a rotor core having a filling portion that covers at least a portion which is arranged to be separated from each other along a circumferential direction radially outside the shaft, the shaft a substantially annular scrap portion 71 having a center hole penetrating in a direction, the plate member having a core plate 37 which constitutes a part of the core pieces arranged in series with the scrap portion 71 in the radial direction inner side of the scrap portion 71, the a step S1 for forming a step S2 of forming a laminate having a core piece by laminating the plate member, a step S3 for installing the laminate and the shaft in a mold, melted resin or non-magnetic in the mold pouring a material, comprising at least a portion forms a filling portion which is located between the core piece, a step S4 for forming a molded body, a step S5 for separating the scrap portion and the core plate, a.
.FIELD 7