FIELD: metal processing.
SUBSTANCE: invention relates to metal forming and concerns production of profile a profile from a sheet metal band. At first stage, sheet metal strip is bent at least twice in a first stage to form a central section and two flank sections, projecting at an angle from two opposite ends of central section. At second stage central section is compressed by means of two complementary roller assemblies which engage two opposite end portions of central section to form a local bulge.
EFFECT: broader technological capabilities.
10 cl, 5 dwg
