To prevent unexpected crack or bend during a press molding time of a patch work blank having a thickened part, in a manufacturing method of a press molding.SOLUTION: In a manufacturing method of a press molding, a patch work blank 1 having a thickened part 4 formed by welding a patch work 3 on a base work 2 is prepared, and only the thickened part 4 of the patch work blank 1 is bent, and a part other than the thickened part 4 is bent in a step different from bending of the thickened part 4.SELECTED DRAWING: Figure 6

    【課題】プレス成形品を製造する方法において、増厚部を有するパッチワークブランクのプレス成形の際の意図しない割れや折れ曲がりを防止する。【解決手段】プレス成形品の製造方法は、ベースワーク2にパッチワーク3を溶接して増厚部4を形成したパッチワークブランク1を準備し、パッチワークブランク1の増厚部4のみを曲げ加工し、増厚部4の曲げ加工とは異なる工程で増厚部4以外の部分を曲げ加工する。【選択図】図6


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    Title :

    MANUFACTURING METHOD OF PRESS MOLDING


    Additional title:

    プレス成形品の製造方法


    Contributors:

    Publication date :

    2020-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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 / B62D MOTOR VEHICLES , Motorfahrzeuge



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