STEP ROLLING METHOD Russian patent published in 2004 - IPC

Abstract RU 2231403 C1

FIELD: rolled stock production, namely step rolling of merchant shapes and tubes.

SUBSTANCE: method comprises steps of deforming blank freely moving along rolling axis; feeding blank before starting forward stroke; tilting blank before starting reverse stroke. Blank feed is realized in such a way that to exceed relation of designed volume of blank to cross section of initial blank by value normalized according to mathematical expression.

EFFECT: possibility for complete using of roll grooved passes.

2 dwg

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RU 2 231 403 C1

Authors

Koval' G.I.

Golodjagin A.S.

Karimova T.G.

Dates

2004-06-27—Published

2003-01-23—Filed