how to control eccentricity problem in hot rolling mill
Gauge control using estimate of roll eccentricity ,
Sep 16, 1980 0183 32 A method of controlling a rolling mill in which eccentricity of the , Gauge control using estimate of roll , eccentricity problems and ....
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Process controller For rolling mills and processing ,
ranges of rolling mill control functionality from sequential , hot-swap I/O Control and , eg automatic gauge control, roll gap control, coil eccentricity ....
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Research on Mill Modulus Control of Strip Rolling AGC ,
Research on Mill Modulus Control of Strip Rolling AGC , rolling force noise and roller eccentricity disturbances were , the AGC system in a hot rolling mill...
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Research on Mill Modulus Control of Strip Rolling AGC ,
Research on Mill Modulus Control of Strip , rolling force noise and roller eccentricity , in the looper control system of hot strip rolling mills...
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Method of controlling elimination of roll eccentricity in ,
ABSTRACT OF THE DISCLOSURE The rolling load signal is detected during a few rotations of a top and a bottom backup roll at different detection time points at which the top and bottom backup rolls are out of phase from each other and then are analyzed by the Fourier analysis so as to detect the amplitudes and phases of the eccentricity of ,...
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9th INTERNATIONAL ROLLING MILL ACADEMY
9th INTERNATIONAL ROLLING MILL ACADEMY , experts in hot and cold mill control systems As , roll eccentricity control schemes, ....
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LQG Regulation Rolling Mill Case Study
State-Space Control Design LQG Regulation Rolling Mill Case , thickness of the beam produced by a hot steel rolling mill , Eccentricity in the rolling ....
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Rolling metalworking
The problem with a small roll is a , Tandem mills can be either of hot or cold rolling mill , This property must be subject to an accurate feedback-based control ....
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Unwind/rewind eccentricity control for rolling mills ,
Mar 06, 1990 0183 32 A method of rolling material in a rolling mill in , Unwind/rewind eccentricity control for rolling mills , coil eccentricity or other cyclic problems ....
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A Review on Chatter Analysis in Cold Rolling process
A Review on Chatter Analysis in Cold Rolling , rolling mill was derived analytically using the , 2 Roll ripples/ Unbalance or eccentricity of rolls/ Speed of ....
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how to control eccentricity problem in hot rolling mill
The Hot Rolling Process The , The Hot Mill rolls slabs weighing up to 30 , The last four roughing mills each incorporate edgers for width control and roll the bar ....
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Active compensation of roll eccentricity in rolling mills
This paper is concerned with the active compensation of the roll-eccentricity-induced periodic disturbances in the strip exit thickness of hot and cold rolling mills...
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Rolling Mill Tutorial
You are here Control System Design - Index Simulations Rolling Mill Rolling Mill Tutorial Before continuing, make sure you have read Chapter 5 System Description Another control problem besides the continuous caster arising in the steel industry is the control of the exit steel thickness in a rolling mill...
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Method and apparatus for eccentricity correction in a ,
A method and apparatus is disclosed for eccentricity correction in a rolling mill, , In hot and cold rolling mills the eccentricity of , mill control system in ....
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hot rolling mill roll eccentricity
hot rolling mill roll eccentricity , Eccentricity Control for Strip Rolling Mills ScienceDirect An in depth review of the roll eccentricity control design problem ....
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ROLL ECCENTRICITY CONTROL WITH THE FORCE ,
ROLL ECCENTRICITY CONTROL WITH THE FORCE FEED FORWARD AGC SYSTEM Francis Wagner, Manager Rolling Mill Automation Hatch Associates Consultants, Inc, Buffalo, NY, USA ABSTRACT The Force Feed Forward FFF System is the only hot strip mill AGC system in the world today which does not incorporate the BISRA principle for gage control Instead, using a revolutionary control ,...
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Optimization of a Cold Rolling Mill
Optimization of a Cold Rolling Mill with a , Hot Roughing Mill Hot Finish Mill Cold Rolling Mill Maximum , In order to see any eccentricity or periodic event ....
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Hot Rolling Mill Hydraulic Gap Control HGC ,
Hot Rolling Mill Hydraulic Gap Control HGC thickness control improvement , Roll eccentricity , P Kucsera et al Hot Rolling Mill HGC Thickness Control ....
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Active compensation of roll eccentricity in rolling mills ,
Abstract This paper is concerned with the active compensation of the roll-eccentricity-induced periodic disturbances in the strip exit thickness of hot and cold rolling mills...
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Rolling metalworking
The invention of the rolling mill in Europe may be attributed to Leonardo da Vinci in his drawings The earliest rolling mills in crude form but the same basic principles were found in Middle East and South Asia as early as 600 BCE...
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IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS ,
, and roll eccentricity problem is the , 4-h rolling mill, so as the strip gauge control system, is , used one in hot/cold rolling mills is GM-AGC, ....
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1638 2014, 6, 1638
cess of hot rolling mill , Schematic Diagram of a Plate Mill Gap Position Control Rolling Mill Oil Film XComp , Eccentricity Filter Correction tre ch...
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Advanced Process and Quality Control in Hot ,
Advanced Process and Quality Control in Hot Rolling Mills Using Eddy Current Inspection Sven KLING, PRÜFTECHNK NDT, Ismaning, Germany Abstract...
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Thickness Control for a Steel Beam
This example shows how to design a MIMO LQG regulator to control the horizontal and vertical thickness of a steel beam in a hot steel rolling mill...
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Industrial Automation Services Pty Ltd steel mill, steel ,
Industrial Automation Services Pty Ltd - IAS is a high technology company specialising in computer control of industrial processes with solutions to automation and control problems in steel/aluminium/rolling mills through consulting and IRTC international rolling technology course...
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Design of a strip thickness control system for tandem ,
AbstractIn order to meet the requirement for higher thickness accuracy in cold-rolling mill processes, it is strongly desired to have an increasing high performance in control units To meet this requirement, an output regulating control system with a roll-eccentricity estimator for each rolling stand of tandem cold mills was considered...
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The Hot Rolling Process
The Hot Rolling Process , The Hot Mill rolls slabs weighing up to 30 tons , the furnace interact with the automatic burner control systems to maintain the target ....
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AIST Mass Flow Control for Intercritical Rolling in ,
Intercritical hot rolling is a problem for gauge control quality but it is a more serious problem for controlling the mass flow between stands and enabling the mill to continue rolling The challenges to mill stability are illustrated from results showing the effects of a material phase change before the last stand in a mill The essential interactions in a hot mill ,...
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1328 The Open Automation and Control Systems ,
The Application Development of Coiling Eccentricity Control Based on , This paper proposes the eccentric problem in the coiling process of cold rolling mills...