PROCESS FOR ROLLING STRIP WITH ROUND THICKENED PORTIONS IN ITS EDGES Russian patent published in 2005 - IPC

Abstract RU 2257970 C1

FIELD: rolled stock production, namely hot rolling of merchant bars, possibly manufacture of strips with round thickened portion in their edges such as blanks of door hinges of automobiles.

SUBSTANCE: method comprises steps of multi-pass reduction of strip by thickness in horizontal grooved rolls; in last pass reducing strip while forming fins on round thickened portions; providing elongation factor of mean part of strip in range 1.13 - 1.19 and elongation factor of round thickened portions in range 1.20 - 1.27.

EFFECT: possibility for making accurate profile of round thickened portions in edges of strip due to overfilling peripheral parts of roll groove pass.

1 dwg, 1 tbl, 7 ex

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RU 2 257 970 C1

Authors

Lutsenko A.N.

Monid V.A.

Nikiforov V.V.

Bashmachenko N.V.

Vikhrev N.A.

Trajno A.I.

Dates

2005-08-10—Published

2004-02-17—Filed