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Metallurgist

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01-11-2011

Design of shaped rolls for wide-strip hot-rolling mills

Author: P. P. Poletskov

Published in: Metallurgist | Issue 7-8/2011

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Abstract

An algorithm has been developed for the 2000 and 2500 mills at the Magnitogorsk Metallurgical Combine to obtain hot-rolled strip with prescribed characteristics for their cross-sectional profile and flatness. Roll profiles with parameters conforming to existing specifications are obtained by successive execution of the algorithms. The algorithms’ use makes it possible to produce strip that is of high quality in terms of its geometry, regardless of the type of product or its dimensions.

previous article Selecting regimes for the delivery of slag-forming mixtures and oscillation of the molds on continuous casters

next article Effect of heat treatment on mechanical properties and structure of high-strength pipe steels with a ferrite-bainite structure*

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V. M. Salganik and P. P. Poletskov, Modeling the Strains and Loads of the Roll System of a Four-High Mill and Improving the Quality of the Flat-Rolled Products in Terms of Their Profile [in Russian], MGTU, Magnitogorsk (2009).

V. M. Salganik, P. P. Poletskov, E. Yu. Kozhushkov, and Yu. B. Kukhta, “Predicting the wear profile of the backup rolls of the finishing stands in a hot-rolling mill,” Proizv. Prokata, No. 11, 36–39 (2008).

V. M. Salganik, P. P. Poletskov, and Yu. B. Kukhta, “Algorithms and the program Profile 2500 for predicting and estimating the profile and flatness of hot-rolled strip and the condition of the backup rolls of a 2500 hot-rolling mill,” Izv. Vyssh. Uchebn. Zaved. Chern. Metall., No. 7, 50–54 (2008).

V. V. Galkin, V. M. Salganik, P. P. Poletskov, Yu. B. Kukhta, and E. Yu. Kozhushkov, “Mathematical description of the wear of backup rolls and its realization in the form of a computer program,” Stal, No. 1, 48–49 (2011).

R. Nandan, R. Rai, R. Jayakanth, and S. Moitra, “Regulation of crown and flatness during hot rolling: a multiobjective optimization study using genetic algorithms,” Mat. Manufact. Processes, No. 20, 459–478 (2005).

Yu. A. Mukhin, V. N. Soloviov, K. V. Bakhaev, and D. V. Baranov, “Improving an analytical model of the straightening of strip by tension with bending,” Proizv. Prokata, No. 7, 2–5 (2006).

V. M. Salganik, P. P. Poletskov,Yu. B. Kukhta, and L. G. Egorova, “Control of the quality of hot-rolled products with respect to their profile and flatness based on the use of an automated system,” Modelir. Razv. Tekhnol. Protsessov: Vest. MGTU im. G. I. Nosova, No. 1, 59–62 (2010).

P. P. Poletskov, A. P. Stetsurenko, and A. G. Sevastyanov, “Optimizing a technology for making electrical steels on a 2000 mill at the MMK in order to obtain rolled products with the required profile,” Improving Technologies at the MMK: Symposium, Magnitogorsk (2008), Iss. 12, pp. 303–305.

V. L. Nosov, G. A. Kunitsyn, P. P. Poletskov, V. M. Salganik, et al., “Production of tin plate from double-width starting strip at the MMK,” Proizv. Prokata, No. 7, 13–18 (2006).

10.

V. M. Salganik, P. P. Poletskov, O. V. Sinitskii, et al., “Improving the flatness of wide strip at the MMK on a 2500 hot-strip mill normally used to make narrow strip,” Proc. 5th Congress of Rolling-Mill Operators, Nov. 21–24, 2003, Cherepovets, Chermetinformatsiya, Moscow (2004), pp. 48–51.

11.

V. M. Salganik, P. P. Poletskov, V. L. Nosov, and V. V. Galkin, “Improving the flatness of wide strip on the 2500 hotrolling mill at the MMK,” Mater. Inter-Factory School for the Exchange of Production Practices, Iss. 6, May–June (2004).

12.

V. M. Salganik, P. P. Poletskov, O. V. Sinitskii, and V. V. Zhludov, “Improving a technology for the hot rolling of wide strip in order to improve the cross-sectional profile of the rolled product,” Proc. 6th Congress of Rolling-Mill Operators, Lipetsk (2005).

Title: Design of shaped rolls for wide-strip hot-rolling mills
Author: P. P. Poletskov
Publication date: 01-11-2011
Publisher: Springer US
Published in: Metallurgist / Issue 7-8/2011
Print ISSN: 0026-0894
Electronic ISSN: 1573-8892
DOI: https://doi.org/10.1007/s11015-011-9470-y

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