FIELD: equipment for plastic working of metals, possibly manufacture of curvilinear parts of shaped blanks.
SUBSTANCE: three-roller machine includes pressure shaped roller and supporting shaped roller mounted on respective working shafts; and mandrels. Gage of each mandrel is matched with respective shaped roller. At last two cylindrical rollers are arranged along perimeter of mandrel; diameter of said cylindrical rollers is selected according to relation given in description of invention. Curvilinear parts are formed by plastic shaping at bending - rolling process.
EFFECT: enhanced quality of curvilinear parts due to elimination of distortions of cross section of blanks.
3 dwg
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