FIELD: plastic working of metals.
SUBSTANCE: apparatus includes shaping members mounted with possibility of plastic deforming of sheet material placed between them; drive unit of shaping members and drive unit for feeding sheet material to working zone. Shaping members are in the form of pair of rolls arranged in parallel; each roll has on diametrically opposite sides of its surface extended along rotation axis stepped slopes with end surfaces turned to the same peripheral direction. Drive unit of shaping members is in the form of synchronized rotation drive designed for rotating rolls in opposite directions and it is combined with drive unit for feeding sheet material. Working and end surfaces of both rolls may be in the form of mutually adjacent annular protrusions and annular recesses embracing rotation axis of rolls. Annular protrusions of one roll are arranged between annular protrusions of other roll.
EFFECT: enhanced operational efficiency, simplified design of apparatus.
2 cl, 8 dwg, 2 ex
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|
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