| 摘要 |
PURPOSE: An electro-gas welding method which regulates torch weaving is provided to improve the weld quality of a weld zone by differentiating the weaving route of a torch according to predetermined sections depending on the variation of the thickness of a base material. CONSTITUTION: An electro-gas welding method which regulates torch weaving comprises the steps of: forming the same bevel angle for the whole sections of a weld zone on a base material varying the thickness in the longitudinal direction(S100) and welding the base material at different weaving angles of the torch set according to the thickness of the base material(S200). The welding step comprises the steps of: setting a spot-type weaving route, a line-type weaving route, and a plane figure-type weaving route for the torch according to the thickness of the base material. [Reference numerals] (AA) Start; (BB) End; (S100) Forming the same bevel angle for the whole sections of a weld zone; (S200) Implementing welding after setting a torch weaving route
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