FIELD: machine building.
SUBSTANCE: group of inventions relates to the field of transport machine building. Structural beam comprises beam and cover plate. Beam has a U-shaped cross-section along the first part of its length. U-shaped cross section comprises an outwardly extending bead on the side wall and a groove at the joint between the side wall and the side bead. Groove comprises first connection region at bottom. Overlay sheet comprises second connecting area. Overlay sheet is welded to the beam in the first and second connecting areas, which have width approximately 2–10 mm. Central pillar comprises said structural beam. Front pillar comprises the above structural beam. Bumper comprises said structural beam. Method of structural beam manufacturing for vehicles includes stages, at which: beam and cover plate are created. Welding beam and cover plate in first and second connecting areas.
EFFECT: reduced weight and higher shock absorption to impact loads of vehicle body.
14 cl, 12 dwg
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