FIELD: technological processes.
SUBSTANCE: invention is related to the method of arc welding in protective gases of butt-welded joint of solid stock with packet from two sheets of the same thickness made of aluminium alloys and may be used in different machine-building industries. Packet sheets are fixed in relation to each other, packet butt joint is assembled with solid stock with thickness that is equal to packet thickness, and welded. Prior to packet sheets fixation top sheet of packet is shifted in relation to the bottom sheet from the joint at the distance of (0.8-1.2)δ, where δ - thickness of sheets in packet. Welding is performed in the mode of full weld penetration of butt-welded joint of solid stocks with thickness equal to packet thickness.
EFFECT: high quality of welded joint.
5 dwg, 1 tbl
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