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A method for controlling the temperature of a workpiece in a hot strip mill includes calculating temperature changes of the strip at each mill stand location by determining changes in workpiece deformation resistance and ... Temperature control in hot strip mill Download ... 238000005096 rolling process Methods 0.000 claims abstract ...
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Hot Strip Mill Model - INTEG Process Group. Hot Mill Model Overview. INTEG's Hot Strip Mill Model (HSMM) is a PC-based off-line model capable of predicting the thermal evolution, deformation behavior, microstructure evolution and final mechanical properties of steel being processed in a hot strip mill.
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Hot strip rolling production is a high-speed process which requires high-speed control and communication system, but because of the long distance between the delivery stand of the finishing mill and the gauge meter, dead time occurs when strip is transported from the site of the actuator to another location where the gauge meter takes its reading, which seriously affects …
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of the hot strip mill. The dimension and profile of the slab, the arrangement of the rollers, the edger and auxiliary components such as side guides, and the program control logic of roughing and finishing mills have significant influence on the quality of the semi-product or end product of hot rolling process. In fact, the quality of hot ...
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HOT STRIP MILL* Frenk van den Berg1 Haibing Yang1 Jos Mosk2 Tony Peyton3 Peter Hunt4 Abstract In the manufacturing of steel strip for the automotive sector, the mechanical properties are largely defined by the process conditions in the hot strip mill. In particular the phase transformation, from austenite to ferrite, which takes place
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Process control system, profile and flatness, hot strip mill. Abstract: In the process of hot strip rolling, accurate and efficient shape process control system is an important factor to ensure strip with good shape. This paper, based on advanced control concept and
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It is observed that the contemporary trend of rolling development is widening of hot-strip mills assortment because of ultrathin hot-rolled strips production instead of cold-rolled ones. The advisability of the automatic control system of process parameters (such as tension, gauge, and roll speed) update is demonstrated on the examples of wide-strip mills 2000 and 2500 at …
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Improved process control in Hot Strip Mill (HSM) Description. Improved process control of HSM comprises coupling oxygen levels and variable speed drives (VSDs) on combustion of air fans resulting in optimized combustion in reheating furnace. The system leads to ...
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Process Variables in the Hot Strip Mill. There are many derivatives of the modern hot strip mill, from multi-stand to reversing Steckel mills to direct casting, but the end goal is always to produce a coil with uniform mechanical and dimensional properties from head to tail and edge to edge. Advanced process control algorithms use hundreds of ...
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Hot Strip Mill an overview ScienceDirect Topics. Hot Strip Mill. HSMM is one of several commercially licensed technologies developed under AISIs advanced process control programme, a collaborative effort among steelmakers and the U.S. Department of Energy to create breakout steel technologies.
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Hot strip mill is a typical process with high accuracy and high speed. The effective approach to enhance the products competitiveness is to improve the quality and quantity by means of advanced control strategy. A multivariable system comprised of gauge and mass flow of hot strip mill is analyzed in the article. A state-space model about the gauge and mass flow for …
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The application of a multivariable regulator to a hot strip finishing mill is considered. The need for multivariable control is due to the interactions between the strip thickness, tension and the angle of the looper arm. A much improved performance was obtained by designing a controller which takes account of the interactions effectively which a …
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Robust steering control of hot strip mill - Accueil Robust Steering Control of Hot Strip Mill Ivan Malloci, Jamal Daafouz, Member, IEEE, Claude Iung, Member, IEEE, Rémi Bonidal and Patrick Szczepanski Abstract—In this article, a robust hot strip mill steering control is proposed in order to guarantee the system stability and to improve its performanc The rolling process consists
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A looper control system in hot strip mill adapted to favour provision of loop control involving contact-less sensors adapted to feed accurate looper angle feed back. In particular the looper control system includes the looper motor (LM) operatively …
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Temperature control in hot strip mill Download PDF Info Publication number US4274273A. US4274273A US06/081,563 US8156379A US4274273A US 4274273 A US4274273 A US 4274273A US 8156379 A US8156379 A US 8156379A US 4274273 A US4274273 A US 4274273A Authority US United States Prior art keywords workpiece temperature change spray
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process hot bar rolling mill Kenya. The Hot Rolling Process California Steel Industries, Inc. The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semi-finished steel slabs of steel nearly to their melting point, then roll them thinner and longer through 12 successive rolling mill stands driven by motors totaling 77,000 hp, and finally coiling up the lengthened …
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Improved process control of the hot strip mill may lead to indirect energy savings through reduced product rejects, improved productivity, and reduced down time. The primary aim is to control the oxygen level, and hence optimize the combustion in the furnace, especially as the load of the furnace may vary over time.
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Aimed at the complex demand of hot strip rolling mill in practicing, the configuration of the coiler and the technological process is analyzed. The arithmetic of coiling tension and the control process is introduced. The frame of the tension adjusting system is given. The coiler control system hardware is designed. The system is designed scientifically with steady control and …
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2013 hot sale computer control pendulum impact crusher; aluminium hot sheet rolling mill; hot wheels crashzilla crusher games; 2013 hot sale iron ore raymond grinding mill; hot rolling mill finishing mill roll; 10113 hot strip mill process pdf. Hot & Cold Working and the Rolling Process . Hot & Cold Working and the Rolling Process . Hot & Cold ...
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In the process of hot strip rolling, accurate and efficient shape process control system is an important factor to ensure strip with good shape. This paper, based on advanced control concept and optimization mathematical model, aimed at Jingtang 1580 hot strip rolling project, developed advanced shape control system. Among them, the HPCS process control...
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