ANALYSIS OF THE CAUSES OF VERTICAL BENDING OF THE STRIP FRONT END AT HOT ROLLING ON THE BASIS OF MATHEMATICAL MODELING
https://doi.org/10.17073/0368-0797-2016-3-204-208
Abstract
The analysis of the causes of the defect “strip ends bending” was made in conditions of hot rolling at the plate mill 5000. The infl uence of kinematic, thermal and geometrical factors on the occurrence of the defect “strip ends bending” was investigated. The infl uence of the misalignment velocity of work rolls to the bending of front end of a rough billet was studied in details. Therefore 1214 tons of rolls (65 slabs) were examined. The infl uence of rolling process parameters and misalignment velocity of the work rolls to the shape of the strip front end for each pass was analyzed. The modes of asymmetric rolling of alloyed pipe steels at the plate mill 5000 have been developed and simulated in DEFORM environment software package. The authors have proposed concrete recommendations. The production tests of developed asymmetric rolling modes were performed with their analysis and correction. This method can be applied to any type of rolling velocity to adjust the upper and lower rollers independently.
About the Authors
D. N. Chikishev
Magnitogorsk State Technical University named after G.I. Nosov
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Assist. Professor of the Chair “Metal Forming”,
Magnitogorsk
E. B. Pozhidaeva
Magnitogorsk State Technical University named after G.I. Nosov
Russian Federation
Russian Federation
Postgraduate,
Magnitogorsk
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Review
For citations:
Chikishev D.N., Pozhidaeva E.B. ANALYSIS OF THE CAUSES OF VERTICAL BENDING OF THE STRIP FRONT END AT HOT ROLLING ON THE BASIS OF MATHEMATICAL MODELING. Izvestiya. Ferrous Metallurgy. 2016;59(3):204-208. (In Russ.) https://doi.org/10.17073/0368-0797-2016-3-204-208
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