The invention provides manufacturing a press formed product with high corrosion resistance and different tensile strengths depending on regions by a small number of processes. The whole of a steel plate having an aluminum-based plating film is heated to an austenite range temperature by a furnace, so that the body of the steel plate is transformed into austenite and a Fe—Al alloy layer is formed on the surface of the steel plate. The steel plate formed with the Fe—Al alloy layer is taken out from the furnace, a first region of the steel plate is heat-retained by a heat resistant and retaining member, and a second region of the steel plate is cooled naturally. When the temperature of the second region becomes lower than a ferrite transformation start temperature, hot press forming is performed to the steel plate to form a press formed product.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    METHOD OF MANUFACTURING PRESS FORMED PRODUCT


    Beteiligte:
    SUZUKI YASUTAKA (Autor:in) / IWANUMA TADASHI (Autor:in) / MORI KEN-ICHIRO (Autor:in) / NAKAGAWA YUKI (Autor:in)

    Erscheinungsdatum :

    2019-01-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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



    METHOD FOR MANUFACTURING PRESS-FORMED PRODUCT, PRESS FORMING DIE, AND PRESS-FORMED PRODUCT

    KOBAYASHI TAKUFUMI / MITSUI YUJIRO / FUKAZAWA YU et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    METHOD FOR MANUFACTURING PRESS-FORMED PRODUCT

    YAMAZAKI SHOHEI / NISHIMURA RYUICHI / HAMADA KOICHI et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    METHOD OF MANUFACTURING PRESS FORMED PRODUCT

    SUZUKI YASUTAKA / IWANUMA TADASHI / MORI KEN-ICHIRO et al. | Europäisches Patentamt | 2019

    Freier Zugriff

    METHOD FOR MANUFACTURING PRESS-FORMED PRODUCT AND PRESS-FORMING APPARATUS

    OTSUKA KENICHIRO / NAKAZAWA YOSHIAKI / NISHIMURA RYUICHI et al. | Europäisches Patentamt | 2018

    Freier Zugriff