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2 147 947

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Application

99119538/02, 1999-09-07

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Start date

1999-09-07

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Actual filing date

1999-09-07

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Published

2000-04-27

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Inventor

Firkovich A.Ju.Poletskov P.P.Takhautdinov R.S.Kuznetsov V.G.Cherkasskij R.I.Borovkov I.V.Salganik V.M.Tjurin Ju.G.Nosov V.L.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD FOR PREPARING BUILDUP ROLL SET TO OPERATION Russian patent published in 2000 - IPC

Abstract RU 2147947 C1

FIELD: ferrous metallurgy, namely, rolled stock production, possibly manufacture of rolling rolls of rolling stands of sheet rolling mills and preparing them to operation. SUBSTANCE: method comprises steps of fitting band on arbor, subsequent change of band according to its wear degree with simultaneous regrinding of carrying arbor. Number of bands made together with arbor is determined from expression: K=Nα, where K - number of bands, N - admissible endurance limit of carrying arbor; α- coefficient equal to 0.35-0.45 in dependance upon type of rolling mill. Profile of generatrix of inner surface of each next band is made according to expression fn(Db) = f1(Db)-Δ(n-1), where fn(Db)- function of profile of generatrix of n-band; f1(Db)- function of profile of generatrix of first band; Δ- value of hardened layer of barrel of arbor at operation, mm; n - number of band from 1 till K. Profile of barrel generatrix of arbor at regrinding it is normalized. EFFECT: complete use of strength properties of arbor, lowered cost of roll transportation, increased useful life period of roll. 2 dwg, 6 tbl, 3 ex

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RU 2 147 947 C1

Authors

Firkovich A.Ju.

Poletskov P.P.

Takhautdinov R.S.

Kuznetsov V.G.

Cherkasskij R.I.

Borovkov I.V.

Salganik V.M.

Tjurin Ju.G.

Nosov V.L.

Dates

2000-04-27—Published

1999-09-07—Filed

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