PROBLEM TO BE SOLVED: To improve welding quality of butt parts of a plurality of workpieces.SOLUTION: Arc-welding is performed in the state of loading plate materials W1 and W2 on workpiece retainers 3 and 5 and holding them by workpiece holders 7 and 9. A copper back metal 11 is arranged between the workpiece retainers 3 and 5. In welding, Uranami welding (penetration welding) protruding as a back-side bead 21a is performed on a back side opposite to a front side welded by a weld bead 21. On this occasion, an end surface 35 of the back-side bead 21a is brought into contact with a curved surface 11a of the back metal 11 so that a shape can be controlled.

    【課題】複数のワークの突合わせ部位における溶接品質を高める。【解決手段】板材W1,W2をワーク受け3,5に載置し、ワーク押さえ7,9で押さえた状態で、アーク溶接を行う。ワーク受け3,5相互間には、銅製のバックメタル11を配置する。溶接時には、溶接ビード21が溶接する表面側と反対の裏面側に裏側ビード21aとして突出する裏波溶接(貫通溶接)を行い、その際裏側ビード21aの端面35が、バックメタル11の湾曲面11aに接触して形状が制御される。【選択図】図1


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    Title :

    WELDING EQUIPMENT, WELDING METHOD, AND WELDING COMPONENT PROCESSING APPARATUS


    Additional title:

    溶接装置、溶接方法及び溶接部品加工装置


    Contributors:

    Publication date :

    2015-11-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B23K Löten , SOLDERING OR UNSOLDERING / 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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