A stiffening beam for an automotive component is continuously formed from a metal sheet rolled to have at least one tubular portion extending along the length of the stiffening beam. A solid state forge weld is formed between an edge of the metal sheet and a middle portion of the metal sheet to close a seam extending along the tubular portion of the stiffening beam. Selected portions of the metal sheet are heated to a desired weld temperature with a high frequency current delivered through electrical contacts to opposite sides of the weld before forming the solid state forge weld. A desired weld temperature may burn off a zinc coating on a metal sheet at selected portions prior to forming a solid state swaging weld that is generally free of zinc inclusions.

    一种用于汽车部件的加强梁由金属片材连续地形成,该金属片材被辊轧成型为具有至少一个沿着加强梁的长度延伸的管状部分。固态锻焊形成在金属片材的边缘和金属片材的中间部分之间,以闭合沿着加强梁的管状部分延伸的接缝。在形成固态锻焊之前,用通过电触点传递到焊缝的相对侧的高频电流将金属片材的选定部分加热到期望的焊接温度。在形成通常没有锌夹杂物的固态锻焊之前,期望的焊接温度可在选定部分处烧掉金属片材上的镀锌涂层。


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    Title :

    Multi-tubular beam with forged welds


    Additional title:

    具有锻造焊缝的多管状梁


    Contributors:

    Publication date :

    2024-05-28


    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



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