The invention provides a variable-thickness automobile roof middle cross beam. A roof middle cross beam body is of a thin-wall structure and sequentially comprises a left body section, a left transition section, a middle body section, a right transition section and a right body section. The left body section and the right body section are connected with an automobile side body column B and have a uniform thickness. The left transition section and the right transition section are of a continuous variable-thickness structure and become smaller in thickness from the two ends to the middle body section. The middle body section is the thinnest portion of the roof middle cross beam. According to the variable-thickness automobile roof middle cross beam, by means of the design that parts of different thicknesses are arranged along an automobile body in the Y axis direction, the safety requirements for collision resistance and pressure resistance of the roof middle cross beam are met, and the design of light parts can be achieved at the same time.


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    Titel :

    Variable-thickness automobile roof middle cross beam and manufacturing method thereof


    Beteiligte:
    NIU CHAO (Autor:in) / GAO YONGSHENG (Autor:in) / ZHANG WEN (Autor:in) / YANG BING (Autor:in) / XU WEILI (Autor:in) / LUO AIHUI (Autor:in)

    Erscheinungsdatum :

    23.09.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL



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