Results 171 to 180 of about 27,069 (212)
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On the possibility of looperless rolling on hot rolling process
Proceedings of the 1999 IEEE International Conference on Control Applications (Cat. No.99CH36328), 2003The possibility of looperless rolling in the finishing mill of a hot rolling process is shown. It is clear that the performance of a control system with the compensator designed by /spl mu/ synthesis considering parameter perturbation is better than that with the compensator designed by H/sub /spl infin//.
H. Katori +3 more
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On the Use of Heated Rolls for Hot-Rolling of Metals
Journal of Engineering Materials and Technology, 1973The use of heated rolls in hot-rolling of metals is explored and its possible advantages are discussed. Simplified heat-transfer analyses are performed and residual thermal stresses are estimated to lend support to the claimed advantages. Using tungsten and beryllium strips, laboratory experiments were performed to check the feasibility of the concept.
S. K. Batra, A. A. Popoff
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Investigations into Roll Thermal Fatigue in Hot Rolling
International Journal of Material Forming, 2008In the current paper, a study into the mechanism of roll thermal fatigue crack propagation during hot rolling of long products is presented. A range of 2D implicit FEM models taking into account the complex thermal and mechanical interactions during rolling and cyclic cooling have been developed and used to predict how the stress state inside the roll ...
C. Fedorciuc – Onisa, D.C.J. Farrugia
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On The Possibility of Looperless Rolling on Hot Rolling Process
IFAC Proceedings Volumes, 2001Abstract We discuss the possibility of looperless control at finishing mill of hot rolling process in this paper. In recent years, the precision of thickness and width of hot coil is becoming more and more strict. So we must develop powerful controller which stabilizes the rolling process even if plant parameters are perturbed.
Hideo Katori +2 more
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International Metals Reviews, 1977
A complete review of developments in rolling during the last decade would have to cover thousands of published papers and also much unpublished work; comprehensive coverage would thus become impossible within the confines of a short review. In the earlier review of this series, Ford concentrated on the theory of flat rolling. Books
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A complete review of developments in rolling during the last decade would have to cover thousands of published papers and also much unpublished work; comprehensive coverage would thus become impossible within the confines of a short review. In the earlier review of this series, Ford concentrated on the theory of flat rolling. Books
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Modelling oxidation of hot rolling work rolls
Ironmaking & Steelmaking, 2001A mathematical model was developed to compute the growth of the oxide layer found on the surface of hot rolling work rolls. The model considers that the rolls are installed in a continuous hot strip mill, and that their surface is subjected to the thermal cycling that results from contact with the steel being rolled and from the water delivered from ...
V. González +3 more
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Cast Rolls for Hot Rolling Mills
Anais do Seminário de Laminação, Conformação de Metais e Produtos, 1993Bjorn Lyckstrom, Kjell Inestam
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Transit Damage and Hot Rolled Steel
Practical Failure Analysis, 2002The investigation of alleged corrosion damage to hot rolled steel during transit requires metallurgical, chemical, and corrosion knowledge. Familiarity with non-destructive techniques and sampling procedures are of assistance. A complete record of shipment history is also required, including the purchasing specifications and observations and ...
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