ROLL GROOVED PASS SYSTEM FOR SHAPE BENDING MILL Russian patent published in 1997 - IPC

Abstract RU 2096099 C1

FIELD: plastic metal working, namely, production of cold rolled shapes. SUBSTANCE: roll grooved pass system is formed by mounted with gap upper rolls with protrusions and lower rolls with recesses on their barrels in rough, intermediate and prefinal passes. Rolls include cylindrical and cone portions of predetermined diameters for successively increasing inclination angle of generatrices of cone portions relative to horizon and for decreasing that angle in second prefinal roll grooved pass. Upper roll of last prefinal pass also has recesses on its barrel. Generatrices of cone portion of that roll are inclined by angle 74-79 degrees relative to horizon. Cylindrical member is arranged between them with diameter less than that of cylindrical portion of cylinder-cone member by value consisting 1.0-1.25 of gap. Lower roll of last prefinal pass is cylindrical one. EFFECT: improved design of rolls. 1 dwg

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RU 2 096 099 C1

Authors

Gridnevskij V.I.

Antipanov V.G.

Afanas'Ev V.F.

Ruzankin K.V.

Dates

1997-11-20—Published

1996-06-07—Filed