According to the manufacturing method and the door ring structure of the automotive hot air expansion forming type tubular door ring, the column A and column B tubular beams are manufactured through the hot air expansion forming process to serve as main force bearing structures, and the ultrahigh strength of the door ring can be achieved; and light-weight materials are combined, the welding procedure is executed, the column A tubular beam, the column B tubular beam and the peripheral connecting pieces jointly form the whole door ring, and a finished product can have the good light-weight index. The technological process is simple, convenient and easy to implement, the part and equipment cost can be effectively reduced, and the large-scale production efficiency can be remarkably improved.

    本发明提供了一种车用热气胀成形式管状门环制造方法及门环结构,通过热气胀成形工艺制造A柱与B柱管梁来作为主要承力结构,能够实现门环的超高强度;结合轻量化材料并执行焊接工序,使A、B柱管梁与周边连接件共同组成门环整体,能够使成品具有较好的轻量化指标。本发明的工艺流程简便且易于实施,能够有效降低零件及设备成本,并可显著提高大规模生产的效率。


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    Title :

    Manufacturing method of vehicle hot air expansion forming type tubular door ring and door ring structure


    Additional title:

    一种车用热气胀成形式管状门环制造方法及门环结构


    Contributors:
    DING ZHEN (author) / CHENG PENGZHI (author) / LUO RENHAI (author) / BAI HONGPING (author)

    Publication date :

    2024-12-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B62D MOTOR VEHICLES , Motorfahrzeuge




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