METHOD OF MAKING A JOINT WELDED WITH A FILLET WELD AND AN ELECTRICALLY WELDED JOINT WELDED WITH A FILLET WELD

摘要

FIELD: technological processes.;SUBSTANCE: invention relates to a method of making a welded joint of metal parts. Electric welding with fillet welds is being performed in a zone of matching a sheet surface of one metal part with one or both sheet surfaces of the other metal part. Corner weld bead (53) is being formed in said matching zone. Said zone includes at least one rotary section. Stiffening weld bead (55A, 55B) is being formed in at least one point of at least one rotary section. Electric welding is being performed with modes different from modes of electric welding of corner weld bead (53), to overlap the welding initial point or welding endpoint of stiffening weld bead (55A, 55B) with corner weld bead (53). Stiffening weld bead (55A, 55B) is being formed towards the metal part with more tensile stress of cyclic load, applied to the weld joint, formed without stiffening weld bead (55A, 55B). At least one metal part is being made of metal sheet with sheet thickness of 3.2 mm or less.;EFFECT: disclosed is a method of making a joint welded with a fillet weld.;16 cl, 10 dwg, 12 tbl