| 摘要 |
PROBLEM TO BE SOLVED: To provide an arc welding method, an arc welding robot control device and an arc welding system capable of forming a more beautiful bead. SOLUTION: The arc welding method comprises a unit welding step including a step of executing the droplet transfer by generating the arc, and a step of cooling a molten pool formed in a welding base material while generating the arc, and repeats the unit welding step, and further comprises a step of changing step by step the welding condition values which are regulated in each unit welding step, and reflected in the molten state of a consumable electrode or a molten state of the welding base material, such as the time T1 for executing the step of the droplet transfer. Thus, the optimum welding condition values can be determined even if the temperature of the base material is changed. Therefore, the molten state of the consumable electrode or the molten state of the base material can be optimized. As a result, the appearance of a bead to be formed can be improved. COPYRIGHT: (C)2011,JPO&INPIT
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