| 摘要 |
PROBLEM TO BE SOLVED: To provide arc welding equipment having a means for performing gap filling welding with one pass without dividing the welding to a plurality of times of passes when there is the gap in joining portions. SOLUTION: Two consumable electrodes 1 and 2 are arranged before and behind in the progressing direction of welding and a wall for the gap between members 3 and 4 is formed by the welding beads formed by arc welding with the one preceding consumable electrode 1. The remaining other consumable electrode 2 that follows forms the beads to fill the gap by utilizing the wall by the welding beads formed by the preceding consumable electrode 1. COPYRIGHT: (C)2006,JPO&NCIPI
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