METHOD FOR ROLLING FLANGED SECTIONS IN ROUGHING PASSES Russian patent published in 2000 - IPC

Abstract RU 2152831 C2

FIELD: rolled stock production, namely manufacture of non-symmetrical rough rolled beam-shaped pieces with two large-length flanges. SUBSTANCE: method comprises steps of rolling blank in box pass with different convexity degree of bottom of upper and lower roll grooves; orienting rolled piece from box pass with higher concavity degree of wide face to side of larger ridge of first and then second inclined beam passes. EFFECT: enhanced quality of shapes at further rolling. 3 dwg

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RU 2 152 831 C2

Authors

Maramzin V.S.

Sharapov I.A.

Pjatajkin E.M.

Sergeev L.E.

Ashcheulov D.Kh.

Dates

2000-07-20—Published

1997-12-30—Filed