Method of manufacturing a vehicular arm component having a particular torsional rigidity and a sufficient tensile strength. Method of manufacturing a vehicular arm component 1 having a hollow shape in open cross-section by subjecting workpiece W, which is a flat plate, extending in an XY plane to pressing in stages such that two side surfaces W1, W2 of the workpiece in an XZ plane formed by the X direction and a Z direction face one another across a gap G, the method including a restriking process in which a protrusion 113 disposed on a restriking die 110 to be extended in the X direction is arranged in the gap between the two side surfaces facing one another and the two side surfaces are brought into contact with the protrusion such that the workpiece is pressed from an outer periphery to an inner periphery.


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    Title :

    Vehicular arm component manufacturing method and vehicular arm component


    Contributors:

    Publication date :

    2020-03-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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