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    • 12. 发明公开
    • VERFAHREN ZUM UMSPRITZEN EINES ANKERS FÜR ELEKTRISCHE MASCHINEN
    • VERFAHREN ZUM UMSPRITZEN EINES ANKERSFÜRELEKTRISCHE MASCHINEN
    • EP1805876A1
    • 2007-07-11
    • EP05784606.5
    • 2005-08-25
    • ROBERT BOSCH GMBH
    • NEUBAUER, AchimCHAUMET, PascalALTMEYER, DirkHUBER, Helmut
    • H02K15/10H02K1/04H02K3/34
    • H02K3/345B29C45/0046B29C45/14639H02K1/04H02K1/30H02K15/10Y10T29/49009Y10T29/49011Y10T29/49012Y10T29/53143
    • Disclosed is a method for sheathing an armature (14) for electric machines (10), in which a stack of lamellae (18) that is equipped with grooves (46) for armature windings (20) is mounted on an armature shaft (16) by means of a bore (36) and is provided with at least one groove insulation (48) with the aid of the sheathing process. The plastic flows through ducts (42) that extend along the bore (36) of the stack of lamellae (18) and the surface of the armature shaft (16). The plastic is molded in only on a first face (38) of the stack of lamellae (18), from which the plastic flows into the grooves (46) and through the ducts (42). The plastic invades the grooves (46) also from the second face (40) after being discharged from the ducts (42) on said second face (40) and converges with the plastic discharged from the first face (38). The inventive method has the advantage of technically implementing fixing and insulation of the grooves of the stack of lamellae of an armature of an efficiency-optimized small electric motor or electric machine while the groove insulation is provided with a minimum layer thickness for such sheathings at the bottom thereof in order to allow for maximum copper fillings.
    • 一种用于电机的电枢的覆盖方法,其中具有用于电枢绕组的槽的薄片堆叠通过孔安装在电枢轴上,并且借助于护套设置有至少一个沟槽绝缘体 处理。 护套塑料流过沿堆叠孔和电枢轴延伸的管道。 塑料仅在堆叠的第一面上模制,并流入沟槽并通过管道。 从管道排出后,塑料也从第二面侵入凹槽,并与从第一面排出的塑料会聚。 该方法实现了凹槽的固定和绝缘,同时为了允许最大的铜填充,在槽绝缘体上设置有用于这种护套底部的最小层厚度。