BOX PASS FOR ROLLING BLANKS Russian patent published in 2000 - IPC

Abstract RU 2152276 C1

FIELD: metallurgy. SUBSTANCE: convexity of bottom of roll grooves of box pass is restricted by double-radius curve such as oval one joined by large-curvature curves with roundings in place of butt of lateral walls with bottom at central convexity of bottom of less-curvature curve grooved pass. In description of invention there is an expression for determining central curvature radiuses and their joining portions. EFFECT: increased useful life period of box pass, enhanced quality of blank surface and efficiency of rolling mill. 3 dwg

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RU 2 152 276 C1

Authors

Sharapov I.A.

Dorofeev V.V.

Maramzin V.S.

Pribytkov V.I.

Kosarev A.A.

Dates

2000-07-10—Published

1997-12-30—Filed