FIELD: processes of butt joining of parts of aluminum alloy with low welding capability.
SUBSTANCE: method comprises steps of preliminarily making through opening in butt of parts and introducing into it bit of rotating tool until tool shoulder touches surface of parts; inclining axis of opening by angle α = (0.8 -1.0)δ (δ - thickness of parts) relative to line normal to surface of parts in plane of their butt; setting diameter of opening D = d +(0.10 -0.15) mm; immersing bit of tool into butt by value consisting (0.90 - 0.95)δ; regulating motion speed of tool along butt of parts in range 0.20 - 0.35 mm/rev.
EFFECT: enhanced quality of butt joints, decreased number of tool failures.
4 dwg, 1 tbl
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