Submerged arc narrow gap welding with oscillating electrode

Details Submerged arc narrow gap welding with oscillating electrode Submerged arc narrow gap welding with oscillating electrode

B - Operations, Transporting

23

K

B23K 9/18 (2006.01) B23K 9/095 (2006.01)

Patent

CA 2624407

The present invention discloses a method for submerged-arc narrow-gap welding, in which the wire electrode (30) is set in oscillating motion in the gap (10) in order to produce a first bead (50), the arc (40) moving backwards and forwards between one of the workpiece edges (20a, 20b) and a middle section (12) of the gap (10) so that the first bead (50) does not extend from the first (20a) to the second workpiece edge (20b).

La présente invention concerne un procédé de soudage à fente étroite sous flux en poudre. Selon ce procédé, le fil-électrode (30) est soumis à un mouvement oscillant à l'intérieur de la fente (10) pour créer un premier cordon de soudure (50), l'arc électrique (40) effectuant un mouvement alternatif entre un des flancs (20a, 20b) de la pièce et une zone centrale (12) de la fente (10) de sorte que ce premier cordon de soudure (50) ne s'étende pas du premier (20a) au second flanc (20b) de la pièce.

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