| 摘要 |
PURPOSE:To reduce the welding cost by executing a wall surface profile welding having no impedance difference of both ends of an oscillation in the first pass of a horizontal turning automatic welding, executing a torch turning in a corner part in which the difference exceeds a threshold value, and thereafter, executing a multiple buildup welding by a storage locus. CONSTITUTION:In case of welding of other member P on the horizontal surface of a member by an automatic welder which is turned and operated in the three- dimensional direction and horizontally, the impedance of both ends of the oscillation of a torch from a welding current and an arc voltage in the first pass, and a wall surface profile welding is executed by giving an instruction to a controller 2 so that its difference is eliminated. When a corner part in which the difference becomes larger than a threshold value is detected, it is instructed to the controller 2 to turn the torch. Thereafter, based on a storage containing the corner part, a multiple buildup automatic welding is executed. By only the initial setting in the beginning, the automatic buildup welding is executed, man saving and manhour saving are realized, and the cost is reduced. |
