ROLL FOR STEP ROLLING Russian patent published in 2004 - IPC

Abstract RU 2225763 C1

FIELD: rolled stock production, namely designs of rolling rolls for step rolling of round shapes. SUBSTANCE: roll for step rolling, mainly of round shapes, has working surface with reduction portion having radius varying from rotation axis of roll and sizing portion with groove. Along length part of reduction portion adjacent to sizing portion and restricted at other side by means of crossing point of arc formed by radius (equal to spacing from roll rotation axis until apex of grooved pass at beginning of sizing portion) with arc defining reduction portion there is groove whose shape and dimensions are gradually changed (from shape and dimensions of groove of sizing portion) to those of smooth barrel. EFFECT: enhanced quality of round rolled products. 3 dwg

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RU 2 225 763 C1

Authors

Koval' G.I.

Dremin V.G.

Karimova T.G.

Dates

2004-03-20—Published

2002-11-19—Filed