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    • 97. 发明授权
    • Method of forming flat conductor wire for use in cage-shaped distributed winding coil
    • 形成用于笼形分布绕组线圈的扁导线的方法
    • US08671555B2
    • 2014-03-18
    • US13499263
    • 2009-09-30
    • Hideki KamataniKazuhiro Sato
    • Hideki KamataniKazuhiro Sato
    • H01F7/06
    • H02K15/0478
    • Firstly, a flat conductor raw wire is formed in a rectangular cross-section and bent in a continuous meandering pattern in a same plane to include in-slot wire portions arranged in each slot of the stator core, coil-end wire portions arranged as a coil end outside the slots, and bent portions joining the in-slot wire portions and the coil-end wire portions. Thereafter, in a setting step, the bent portions located at the opposite ends of the in-slot wire portion are grasped by a pair of grasping tools and the in-slot wire portion is grasped by a twisting jig. Next, in a processing step, the bent portions are twisted and bent into crank-shape by displacing a predetermined axis to a predetermined direction while rotating the twisting jig about the axis. The flat conductor is obtained by performing the setting step and the processing step each of the in-slot wire portions.
    • 首先,扁平导体原料线形成为矩形截面,并且在同一平面上以连续的曲折形式弯曲,以包括设置在定子铁心的每个槽中的插槽线部分,线圈端线部分布置为 线圈端部在槽的外侧,以及弯曲部分,其连接槽内线部分和线圈端部线部分。 此后,在设定步骤中,位于槽内线部分的相对端的弯曲部分被一对夹持工具抓住,并且通过扭转夹具夹持插槽内的线部分。 接下来,在处理步骤中,通过使预定轴移动到预定方向,通过使扭转夹具绕轴线旋转,将弯曲部分扭曲并弯曲成曲柄形状。 扁平导体是通过进行设置步骤和处理步骤获得的,每个槽内线部分。