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    • 2. 发明公开
    • METHOD OF CONNECTING THE LEADS OF AN ARMATURE COIL TO A COMMUTATOR
    • VERFAHREN ZUM VERBINDEN DER ZULEITUNGEN EINER ANKERWICKLUNG AN EINEN KOMMUTATOR。
    • EP0028264A1
    • 1981-05-13
    • EP80900792.5
    • 1980-04-30
    • MITSUBISHI DENKI KABUSHIKI KAISHA
    • HAMANO, IsaoYABUNAKA, Kiyoshi
    • H02K3/04H02K13/04
    • H01R43/0207B23K20/10H02K13/04
    • The lead wires (15a) of each of armature windings (15) inserted into the respective slots of an armature core and wound on the core are bent and connected to the respective segments of a commutator by means of an ultrasonic welding process. Since the armature windings (15) are so connected to the respective segments in the bent state by the ultrasonic welding process that the bent portion thereof has a longer radius of curvature (R) than the product of the sectional diameter or thickness (d) of the winding times approximately 1.5, the process can prevent the winding from damage due to the bending fatigue of the winding to be adapted for the connection of the armature windings to the respective segments of the commutator in a rotary electric machine such as a starter motororthe like.
    • 每个电枢绕组(15)的引线(15a)插入到电枢铁芯的各个槽中并缠绕在芯上,通过超声波焊接工艺被弯曲并连接到换向器的各个段。 由于电枢绕组(15)通过超声波焊接工艺在弯曲状态下与相应的部分连接,使得其弯曲部分的曲率半径(R)大于截面直径或厚度(d)的乘积 绕组次数约为1.5,该过程可以防止绕组由于绕组的弯曲疲劳而损坏,以适应于在诸如起动电动机的旋转电机中将电枢绕组连接到换向器的各个段, 类似。