Without increasing the number of manufacturing steps, a winding configured to prevent an end portion of a metal wire from damaging other components and the like is manufactured by making a distance from a welded portion to an end edge as short as possible, and a defective winding is prevented from being manufactured. The winding is a porous winding (filter 10) formed by winding at least one continuous metal wire 20 in a spiral and multi-layer manner. During winding, a terminal portion 30 (metal wire portion 20n) of the metal wire is resistance spot-welded to another portion (metal wire portion 20m) of the metal wire, and fusion cutting is performed at the welded portion. The tip section (30) (metal wire portion (20n)) has a melted and solidified section (31n) in which the entire metal wire in the width direction is melted and then solidified.

    在不增加制造步骤的数量的情况下,通过使从焊接部到末端边缘的距离尽可能短来制造被配置为防止金属线材的末端部损坏其他部件等的绕组,并且防止制造有缺陷的绕组。绕组是通过以螺旋和多层方式卷绕至少一个连续金属线材20形成的多孔绕组(过滤器10)。在卷绕时,金属线材的末端部30(金属线材部分20n)电阻点焊于金属线材的另一部分(金属线材部分20m),并且在焊接部分进行熔切。末端部30(金属线材部分20n)具有熔融固化部31n,在熔融固化部中,金属线材在宽度方向上的整体在熔融之后固化。


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    Title :

    Winding, method for manufacturing winding, welding electrode and manufacturing device


    Additional title:

    绕组、制造绕组的方法、焊接电极及制造装置


    Contributors:

    Publication date :

    2025-03-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B01D SEPARATION , Trennen / B23K Löten , SOLDERING OR UNSOLDERING



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