ROLL ASSEMBLY OF UNIVERSAL FOUR-ROLL GROOVED PASS Russian patent published in 2004 - IPC

Abstract RU 2233716 C1

FIELD: metallurgy, namely rolling channeled rails of trams or similar sections, mainly in finish roll grooved pass.

SUBSTANCE: roll assembly includes two horizontal drive sizing rolls for shaping web, superposing space, lateral surfaces of head and jaws of rail and two vertical non-driven rolls shaping respectively flange and rolling surface of head with groove. Outside roll grooved pass at side of less horizontal efforts caused by metal deformation of lower and upper levels of flanges between horizontal and vertical rolls there are supporting cones.

EFFECT: possibility for providing equal-thickness beads of rail flange, improved stability of section, enhanced efficiency of method.

1 dwg, 1 ex

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RU 2 233 716 C1

Authors

Dorofeev V.V.

Kravchenko E.L.

Kochetkov A.G.

Pribytkov V.I.

Dorofeev A.V.

Dates

2004-08-10—Published

2003-01-04—Filed