[Problem] To provide a method for manufacturing a vehicular arm component having sufficient tensile strength throughout the circumference thereof while exhibiting no more than predetermined torsional stiffness. [Solution] A vehicular arm component manufacturing method for manufacturing a vehicular arm component (1) having an open cross-sectional hollow shape by gradually pressing a material to be processed (W), which is a flat plate extending in an XY plane defined by an X-direction and a Y-direction, so that two side surfaces (W1, W2) of the material to be processed (W) in an XZ plane defined by the X-direction and a Z-direction face each other via a gap (G). The method includes a restriking step of pressing and forming the material to be processed from the outer periphery to the inner periphery thereof while causing the two side surfaces to contact a protrusion portion (113) disposed in the gap between the two facing side surfaces, the protrusion portion being provided to a restriking mold (110) and extending in the X-direction.
VEHICULAR ARM COMPONENT MANUFACTURING METHOD AND VEHICULAR ARM COMPONENT
HERSTELLUNGSVERFAHREN FÜR EIN FAHRZEUGARMTEIL UND FAHRZEUGARMTEIL
PROCÉDÉ DE FABRICATION DE COMPOSANT DE BRAS DE VÉHICULE, ET COMPOSANT DE BRAS DE VÉHICULE
2019-05-01
Patent
Electronic Resource
English
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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