SHAPED STRIP HOT ROLLING METHOD Russian patent published in 1997 - IPC

Abstract RU 2090274 C1

FIELD: metallurgy, namely production of rolled bars for making different-flange channeled sections of railway road clamps for separately fastening rails. SUBSTANCE: method of hot rolling of shaped strip comprises multipass deforming of blank in horizontal and vertical grooved rolls for making its developed section and subsequently bending up its flanges. In order to receive high quality rolled strip, in pass previous to last but one pass flanges of shaped strip are bent up between vertical rolls by angle 15-20 degrees. In last but one pass strip is rolled between horizontal rolls with elongation factor 1,1-1,3 and its flanges are simultaneously bent up by angle 2-5 degrees. EFFECT: enhanced efficiency, high quality of rolled strips. 4 dwg, 1 tbl

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RU 2 090 274 C1

Authors

Basov G.A.

Badanin V.I.

Rjabinkov V.T.

Gibner V.I.

Nikiforov V.V.

Trajno A.I.

Dates

1997-09-20—Published

1996-03-12—Filed