control rolling mill
Understanding Rolling Process in Long Product Rolling Mill ,
Nov 27, 2015 0183 32 Understanding Rolling Process in Long Product Rolling Mill , Tension control In a continuous mill, speed matching the stand to achieve a constant mass flow through the mill assures a low cobble rate and fewer defects High tension can stretch reduce the cross section of the bar making shape control very difficult At the extreme, tension can ....
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Hot Rolling Mill Hydraulic Gap Control HGC thickness ,
accuracy in thickness control in metal rolling area If the required accuracy of hot rolling mills can be achieved, then in some cases, cold rolling is not even required, which can result in a radical decrease of production costs The schematic structure of a typical aluminum hot reversing rolling mill ,...
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Report on Best Available Techniques BAT in the German ,
Report on Best Available Techniques BAT in the German Ferrous Metals Processing Industry FINAL DRAFT Deutsch-Französisches Institut für Umweltforschung DFIU French-German Institute for Environmental Research University of Karlsruhe TH o Prof Dr O Rentz Dipl-Wirtschaftsing Rainer Jochum, Dr Frank Schultmann Karlsruhe, March 1999...
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Rolling Mill Tutorial
Another control problem besides the continuous caster arising in the steel industry is the control of the exit steel thickness in a rolling mill The diagram below shows the layout of a rolling mill, with thick steel going in one side, and thin steel coming out the other Overview of the Example...
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ABB DRIVES AND CONTROL SYSTEM FOR HOT FLAT ROLLING ,
Rolling Mill Drive control, which replaces the conventional PI-speed control and conventional feed forward control techniqu The result is that we now can offer an optimally fast speed control based on the characteristics of the mechanical drive train...
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Modeling and Control of Multi Stage Rolling Mill Process ,
Sheet Rolling Mill processes involve progressive thickness reduction of continuous sheet metal in multiple stag Some of the control variables of interest are exit thickness, throughput and the tension in the sheet as it passes from one stage to the other...
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Oil Mist Control For Metal Rolling Mill Technologies ,
Oil Mist Control For Metal Rolling Mill Background A Fortune 500 aluminum company has a plant that produces, among other products, aluminum sheet for end use in transportation, building and construction, recreation, and other markets...
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ABB solutions in Cold rolling
The quality of cold rolled flat products is a decisive factor for the metals industry The ABB process and power system, designed for cold rolling mills, offers advanced solutions for quality supervision and analysis to meet your cold rolling steels needs in terms of ,...
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Speed Control of Steel Rolling Mill
1 Speed Control of Steel Rolling Mill using Neural Network Abduladhem A Ali 1 Alaa M Abdulrahman 2 1Department of Computer Engineering, College of Engineering, University of Basrah Basrah, Iraq ....
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Rolling Mill KOBE STEEL, LTD
Rolling Mill Supplying a wide range of Rolling Mills for ferrous nonferrous metal processing with advanced rolling control system Rolling Mills for Wire Rod, Bar, Billet, Medium Small Section Foil, Sheet and Strip Mills...
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Loop control to Roll Mill
Jul 24, 2013 0183 32 Re-Bar Mill Wire Rod Mill Bar Mill TMT Mill Steel Rolling Mill PREET Machines Ltd - Duration 4 46 Preet Machines Limited 149,776 views...
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Risk Assessment and Control Measures for Cold Rolling ,
control of hazards in cold rolling mill in stainless steel plant using Workplace Risk Assessment and Control WRAC technique different researchers in the field of risk assessment to identify, analyze hazards and recommend necessary control measures for them Keywords cold rolling mills, risk assessment, analyze hazards, WRAC...
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Rolling Mills TENOVA
20 High Cluster Mills utilize small diameter work rolls which allow higher reductions on harder materials than other mill configurations The multi-roll system having employs a unique roll configuration with adjustment capabilities to control strip shape and compensate for the effects of rolling a wide range of different strip widths to very thin thickness...
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Neural Control for Rolling Mills Incorporating Domain ,
Neural Control for Rolling Mills 663 3 APPLICATION TO ROLLING MILL CONTROL 31 THE PROBLEM In integrated steelworks, the finishing train of the hot line rolling mill transforms preprocessed steel from a casting successively into a homogeneously rolled steel 173 plate Controlling this process is a notoriously hard problem The underlying phys 173...
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Technological control for cold rolling processes
ControlIT for Cold Rolling Mills Technological control for cold rolling processes Rolling of flat metal products is a complex proc-ess where the quality of the product is influenced by various factors like incoming material, me-chanical and electrical equipment, lubrication, control strategies etc The significant quality parameters are material...
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ROLLING MILL EQUIPMENT
rolling mill equipment Ferrous and non-ferrous producers around the globe depend on Butech Bliss because we offer some of the most experienced engineering minds anywhere Butech Bliss offers both trouble-shooting and engineering expertise...
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Design and PLC Implementation of Complex Industrial ,
To simulate a multistage process, we first model and control a single rolling mill stage The more general configuration can be analyzed by connecting several of these simpler setups The control system for our simple mill must meet the following requirements...
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Rolling Mill Control
Cascade control uses the reduction concept R-Factor to calculate the mill cascade speed reference This parameter, directly related to rolling fundamentals, simplifies the setup and operator control During production the loop and tension control automatically adjust the R- Factor, ensuring minimum material stress between the stands...
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Steckel Mill Solutions by Primetals Technologies
A twin stand mill with a rougher stand before the steckel mill is suitable for an output of 800,000 tonnes a year Featur Mill types 4-high work roll shift mill 4-high Pair Cross mill PC mill with on-line roll profiler and dynamic PC option for dynamic Automatic Profile and Flatness Control APFC...
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The Hot Rolling Process
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 steel sheet for transport to the next process...
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THE NEW GLOBAL COMPETENCE IN HOT ROLLING
THE NEW GLOBAL COMPETENCE IN HOT ROLLING Primetals Technologies represents a new global plant building competence with extended portfolio, technology and services for the metals industry This competence becomes visible especially in the area of conventional hot rolling mills Two entities with different history but with comprehensive know-how and...
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Improved AGC Control
work, an old Sendzimir 231 cold rolling mill was uppgraded to the same thickness quality level as a complete new rolling mill with only minor mechanical changes, see section 22 below The self-adaptive control functions have also been implemented in a new Mitsubishi 12-High cold rolling mill at Avesta-Sheffield, described in section 21...
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A BASIC UNDERSTANDING OF THE MECHANICS OF ,
As regards abnormal rolling conditions - which are more or less very normal for rolling mills - roll damage often occurs with consequences for the mill and the rolled product Evidently the reasons of roll...
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PDF Speed Control of Steel Rolling Mill using Neural Network
PDF In this paper a fully neural network-based structure have been proposed to control speeds of rolling stands of a steel rolling mill The structure has property of controlling the motors ....
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Hot rolling mill control systems Steel systems Steel ,
Steel plant control systems Hot rolling mill control systems Cold rolling mill control systems Process line control system Process computer system Plant control system Coating weight control system Self-organized diagnosis and analysis system MICA Modular Integrated Concept Architecture Motor drive systems...
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Technical Report UDC 621 771 25 Progress of Bar and ,
rolling mills 8 stand roughing rolling mill, 4 stand intermediate rolling mill, and 4 stand finishing rolling mill was built by Morgan-Sumitomo Heavy Machinery Co Ltd In the 1980s, the aimed qual-ity of products was shifted toward high-value-added special steel quality, and, to achieve this, in 1986, a three-roll finishing rolling...
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Hot Rolling Mills TMEIC
TMEIC Supplies Superior Control Systems for Hot Rolling Mills Hot rolling mills roll heated steel, stainless, and aluminum slabs to make hot strip with a thickness of a few millimeters to over ten millimeters Hot coils are shipped as they are, or moved to another operation and processed to cold rolled sheet, coated steel sheet, or steel pipe...
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Shape control systems
Shape control systems supplied by ANDRITZ Sundwig are used in most rolling mill types in the steel, stainless steel, and nonferrous metal industri Shape control systems are also used in tension levelers for controlling the strip shape...
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Automatic Gauge Control, AGC Waterbury Farrel
Automatic Gauge Control AGC System Waterbury Farrel Automatic Gauge Control AGC Systems ensure close-tolerance strip at the push of a button The system automatically maintains extremely tight gauge tolerances as the strip passes through the mill at up to 1,000 meters per minute...
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Rolling metalworking
A tandem mill is a special type of modern rolling mill where rolling is done in one pass In a traditional rolling mill rolling is done in several passes, but in tandem mill there are several stands gt =2 stands and reductions take place successively The number of stands ranges from 2 to 18...