| 摘要 |
PURPOSE:To adjust a welding materialefficiently and to form beads having no welding defects continuously in a hollow solid flux formed to a cylindrical shape, by making the wall thickness on the side facing the fillet part thin. CONSTITUTION:Only the wall thickness t3 or the three of the wall thicknesses t2, t3, t4 are formed thinner than the wall thickness t1 on the side where a hollow solid flux 6 does not face a fillet part, if the wall thickness on the side where the flux contacts with an upper plate 1 is designated as t2, the wall thickness on the side where the flux contacts with a lower plate 2 as t4 and the wall thickness on the side where the flux faces the fillet part as t3 in the stage of forming said flux by using a binder. The wall thickness t2 on the upper plate side and the wall thickness t4 on the lower plate side are formed to the same wall thickness. If such hollow solid flux is used, the welding material is adjusted efficiently for any welding length, and the continuous fillet welding is made possible for a long welding length as well, whereby the seamless weld beads are obtained. |
