| 摘要 |
The method comprises providing a joint, extending between an inner side (14) to an outer side (15), between parts (11, 12) to be connected, welding a root layer (20) in an area of the inner side, welding a filling layer (21) adjacent to the root layer, and welding a cover layer adjacent to the filling layer in an area of the outer side with given welding parameters so that a temperature is adjusted in an optimization temperature range in the area of the root layer at the inner side. The method comprises providing a joint, extending between an inner side (14) to an outer side (15), between parts (11, 12) to be connected, welding a root layer (20) in an area of the inner side, welding a filling layer (21) adjacent to the root layer, and welding a cover layer adjacent to the filling layer in an area of the outer side with given welding parameters so that a temperature is adjusted in an optimization temperature range in the area of the root layer at the inner side. One of the two parts or a welding material used in the manufacture of welded joint consists of an air-hardening steel alloy. A weld bead of the cover layer is designed as a pendulum bead. The optimization temperature range lies between a material-specific A(C1)-temperature and A(C3)-temperature of the parts to be connected. A welding current used to weld the cover layer is 85-95 A. The connected parts have a wall thickness of 5.6-6.3 mm. Each of the layers comprises weld bead paths. |
