FIELD: utilization of metal of worthless machine elements and metal constructions. SUBSTANCE: passes are formed on two pairs of rolls producing squeezing and destruction zones. In this case, central sections of bottom part of grooves on rolls of each pair of the same level are made concave along the length of circumference by radii interconnected with article profile along boundary line of metal components. Pass contour of destruction zone on opposite roll includes pair of disc knives which ensure final separation of article metals. The device does not require special production areas, easy for manufacture and operation and has small overall dimensions. EFFECT: higher technical and economic characteristics, enhanced efficiency. 2 dwg, 1 ex
Title | Year | Author | Number |
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0 |
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MANDREL FOR TUBE DIE ROLLING | 0 |
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Authors
Dates
2001-04-20—Published
1999-04-07—Filed