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    • 1. 发明申请
    • Method of manufacturing stator core of electric rotating machine
    • 电动旋转机定子铁心的制造方法
    • US20090077789A1
    • 2009-03-26
    • US12232644
    • 2008-09-22
    • Takashi Tokizawa
    • Takashi Tokizawa
    • H02K15/02
    • H02K15/026B21D11/085B21D35/00Y10T29/49009Y10T29/49071
    • In a method of manufacturing a stator core of an electric rotating machine, a cylindrical laminated core is formed by thinning a side portion of a steel plate with magnetic pole teeth and helically winding the steel sheet, and the stator core is manufactured by performing ironing for the laminated core. This laminated core has steel sheets aligned along the axial direction thereof, and the sheets have respective thinned outer end portions spaced apart from one another on the outer side of the laminated core. In the ironing, the thinned outer end portions of the steel sheets are brought into contact with one another in a forming apparatus, and an ironing load is given to the thinned outer end portions to shorten lengths of the thinned outer end portions in the radial direction of the laminated core at a predetermined value.
    • 在制造旋转电机的定子铁芯的方法中,通过使用磁极齿使钢板的侧部变薄并螺旋地卷绕钢板而形成圆柱形的层叠铁芯,并且通过进行熨烫来制造定子铁芯 层压芯。 该层叠铁芯具有沿其轴向对准的钢板,并且片材在层叠铁芯的外侧上具有彼此间隔开的相应的变薄的外端部。 在熨烫时,钢板的变薄的外端部在成形装置中彼此接触,并且对变薄的外端部进行熨烫负载,以缩短在径向上的变薄的外端部的长度 的层叠铁心。