The invention discloses a variable-thickness car roof cover rear cross beam and a manufacturing method thereof. A roof cover rear cross beam body is of a thin-wall structure and sequentially comprises a cross beam body left section, a left transition section, a cross beam body middle section, a right transition section and a cross beam body right section; the cross beam body left section and the cross beam body right section are of an equal-thickness structure and are the area with the largest thickness in the whole part; the thickness of the cross beam body left section and the thickness of the cross beam body right section transit to that of the cross beam body middle section through the left transition section and the right transition section, and the cross beam body middle section is the thinnest in the whole part; the left transition section and the right transition section are of a variable-thickness structure, and the thickness of the left transition section and the thickness of the right transition section are gradually decreased from the thick areas at the two ends to the thin area located on the cross beam body middle section. According to variable-thickness car roof cover rear cross beam and the manufacturing method thereof, the requirements of the whole strength and the mounting point stiffness and strength of the roof cover rear cross beam can be better met, the structure is simple, the variable-thickness car roof cover rear cross beam is manufactured by adopting continuous variable-thickness plates, therefore, the transition design in the material thickness and the part number can be avoided, the manufacturing cost of the roof cover rear cross beam can be lowered, and the lightweight effect is good.


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    Titel :

    Variable-thickness car roof cover rear cross beam and manufacturing method thereof


    Beteiligte:
    GAO YONGSHENG (Autor:in) / NIU CHAO (Autor:in) / ZHANG WEN (Autor:in) / YANG BING (Autor:in)

    Erscheinungsdatum :

    11.11.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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