rolling mill control

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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Rolling Mill Fume Exhaust Technologies, Inc

Rolling Mill Fume Exhaust Aluminum hot and cold rolling mills can produce significant levels of oil mist/liquid particulate, visible emissions, and/or volatile organic compound (VOC) emissions. Emissions occur as a result of coolant evaporation in the mill, and will vary by coolant type and quantity used.

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Robust Tension Control of Strip for 5Stand Tandem Cold Mills

Tandem cold rolling process is a nonlinear complex system with external and internal uncertainties and significant disturbances. The improvement in the quality of the final output depends on the control strategy of centerline thickness and interstand tension. This paper focuses on interstand tension control problem in 5stand tandem cold rolling mills.

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Shape control systems ANDRITZ

Shape control systems supplied by ANDRITZ Sundwig are used in most rolling mill types in the steel, stainless steel, and nonferrous metal industries. Shape control systems are also used in tension levelers for controlling the strip shape.

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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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Strip Thickness Control of Cold Rolling Mill with Roll

description of the cold rolling process is presented. In Section 3, a mathematical model has been driven for singlestand cold rolling mill. In Section 4, architecture and learning algorithm Fuzzy Neural Networkof have been presented. In Section 5, thickness control with roll eccentricity compensation has been proposed. In Section 6,

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Rolling (metalworking) Wikipedia

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 (>=2 stands) and reductions take place successively. The number of stands ranges from 2 to 18.

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Rolling Technologies Coilbox™ Force Feed Forward (FFF

The Achieva Rolling Mill Automation system has a number of components that deliver worldclass results, such as mill setup models for actuator references integrating mill activities reporting controlling strip shape and flatness control of elongation or roll force monitoring tilt control and mill

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Rolling Mills – Greer Steel

Improved finish, higher quality and greater consistency are some of the benefits that our new I2S rolling mill is providing to customers. With the installation of this mill, Greer Steel''s temper capacity grew by 3,000 lbs/month, allowed better utilization of the finish rolls, and provided greater diversity of roll finish.

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Rolling Mill Tutorial Control System Design

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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Rolling Mill Control System Automatic Gauge Control

Wholesale Trader of Rolling Mill Control System Automatic Gauge Control & Flatness Control System offered by Metal Technologies India, Pune, Maharashtra.

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US5546779A Interstand strip gauge and profile conrol

Method and means for maintaining uniform thickness and profile of a metal strip during hot rolling in a multistand hot rolling mill, comprising a twoposition looper loed between adjacent mill stands and movable between a strip threading position above the rolling pass line of the mill and a rolling position substantially in the plane of the rolling pass line, and a thickness and profile

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Advanced Process and Quality Control in Hot Rolling Mills

Advanced Process and Quality Control in Hot Rolling Mills Using Eddy Current Inspection Sven KLING, PRÜFTECHNK NDT, Ismaning, Germany Abstract. Eddy current testing is a common method for the surface inspection of semifinished products. The general trend today is to perform eddy current testing

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Loop control to Roll Mill

Jul 24, 2013 · Loop control to Roll Mill jeffkornatowski. Loading Unsubscribe from jeffkornatowski? HOT ROLLING MILL IN SAUDI ARABIA Duration: 28:09. M YUNION 19,661 views. 28:09.

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Rolling Mill Automatic Flatness Control (AFC) – TelePro, Inc.

TelePro/SSE mill automation systems are designed, developed, commissioned and supported by engineers with extensive process control experience on all types of rolling mills. We have spent many years working directly with plant technical and operating personnel to understand the functional requirements for these systems. Our process

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Understanding Rolling Process in Long Product Rolling Mill

Nov 27, 2015 · 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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Rolling mill and method of rolling mill control

The invention relates to a rolling mill and to the method of regulating the rolling mill for producing rolled. Rolling stands are generally made up of two frames stand with adjustable setting of the rolls and the auxiliary unit to provide a constant line mates.

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Rolling Mill Control Russula

Cascade control uses the reduction concept (RFactor) 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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Tandem Cold Metal Rolling Mill Control: Using Practical

Dec 01, 2010 · The tandem cold rolling of metal strip is a large, highly complex nonlinear multivariable process the control of which poses a significant engineering challenge. Existing controllers have proven to be susceptible to disturbances and uncertainties in process variables and attempts to increase robustness to these phenomena have had their own drawbacks so a new approach is needed.

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Control of Strip Tension in a Rolling Mill Based on

Control of Strip Tension in a Rolling Mill Based on Loopers and Impedance Control A. Steinboeck G. Mu hlberger A. Kugi Automation and Control Institute, Vienna University of Tec hnology,

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Rolling Mill Fume Exhaust Technologies, Inc

Rolling Mill Fume Exhaust Aluminum hot and cold rolling mills can produce significant levels of oil mist/liquid particulate, visible emissions, and/or volatile organic compound (VOC) emissions. Emissions occur as a result of coolant evaporation in the mill, and will vary by coolant type and quantity used.

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Rolling KOBE STEEL, LTD.

Precise temperature control and uniform heating with stateoftheart heating furnaces 2. High rigidity by using largesized rolling mills 3. Design and control of pass schedule specifically for precision rolling 4. Improvement of size precision by using a tensionless rolling mill system 5.

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Simulating a MultiStage Rolling Mill Process, Part 3

Dec 17, 2009 · Simulating a MultiStage Rolling Mill Process, Part 3: Tension Control. From the series: Simulating a MultiStage Rolling Mill Process. Alec Stothert, MathWorks. This webinar is the third in a threepart series that highlights the use of MathWorks products for modeling and control of a multistage rolling mill process. In this webinar, you will

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HOT ROLLING MILL FACTORY AUTOMATION with

production rate, reduced scrap material amounts and a more effective rolling process. MAIN FEATURES Main features of a digital hot rolling mill automation system : Typical hot rolling mill automation system is composed of : Digital DC motor drives, Programmable Logic Controllers (PLC), Control desks equipped with touchscreen

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Rolling Mill Gallatin Steel

Rolling mill computer systems calculate setpoints for rolling using extremely complex mathematical models and send signals to engage the descale sprays and to bring the mill roll stands to speed and set the roll gaps. The rolling mill has six stands, numbered F1 F6 from south to north. Before rolling, the slabs are 55mm or 65mm thick.

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US4307591A Rolling mill looper control system Google

In a hot strip rolling mill a velocity damping compensator circuit is added to the current regulating loop of the looper motor drive generating a torque on the looper arm mechanism between roll stands, thereby to prevent disturbances when applying the looper arm and looper roller against the strip being rolled.

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Rolling Mill Gallatin Steel

Rolling mill computer systems calculate setpoints for rolling using extremely complex mathematical models and send signals to engage the descale sprays and to bring the mill roll stands to speed and set the roll gaps. The rolling mill has six stands, numbered F1 F6 from south to north. Before rolling, the slabs are 55mm or 65mm thick.

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Control of Strip Tension in a Rolling Mill Based on

Control of Strip Tension in a Rolling Mill Based on Loopers and Impedance Control A. Steinboeck G. Mu hlberger A. Kugi Automation and Control Institute, Vienna University of Tec hnology,

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Value Paper Authors: SUN Xin, SUN Hanfeng Speed cascade

Speed cascade control system for bar and wire rod mills Value Paper Authors: SUN Xin, SUN Hanfeng. roughing mill and intermediate mill area. It is generated when the rolling torque exceeds the nominal torque by 25%. − Cutting signal, which is generated instantly when the blades

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First Control Systems AB First control

First Control presents a new graphical tool FirstGraph for programming MicroController XC systems which goes beyond everything you can find on the market. The tool gives you complete control of your appliion and will reduce the engineering time heavily.

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CONTROL FOR ROLLING MILL(Patent) DOE Patents

@article{osti_4002234, title = {CONTROL FOR ROLLING MILL}, author = {Shuck, A.B. and Shaw, W.C.}, abstractNote = {A plutoniumrolling apparatus is patented that has two sets of feed rolls, shaping rolls between the feed rolls, and grippers beyond the feed rolls, which ready a workpiece for a new pass through the shaping rolls by angularly

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Rolling Mill Automatic Flatness Control (AFC) – TelePro, Inc.

TelePro/SSE mill automation systems are designed, developed, commissioned and supported by engineers with extensive process control experience on all types of rolling mills. We have spent many years working directly with plant technical and operating personnel to understand the functional requirements for these systems.

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1. Hot rolling and rolling defects: 1.1 Front and back

1.7 Rolling mill control: Production of continuous sheets and strips is one of the attractive features of modern rolling mills. However, control of sheet thickness and crosssection is a real challenge. In order to continuously monitor the thickness of sheets rolled, xray or gamma ray sensors are used.

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ANDRITZ Sundwig , Hemer, Germany

Complete electrical equipment, including drive systems, process automation and level2 systems for cold rolling mills, strip processing lines, and finishing lines. Technological control systems for cold rolling mills, such as thickness control systems (AGC), automatic flatness control systems (AFC) as well as fully automatic roll change systems

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9th INTERNATIONAL ROLLING MILL ACADEMY

9th INTERNATIONAL ROLLING MILL ACADEMY 59 November 2007 Glasgow, Scotland The lectures will be given by leading international experts in hot and cold mill control systems. As well as providing an indepth understanding of the theory they will also explain the practical issues of implementing rolling mill control systems.

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1. Hot rolling and rolling defects: 1.1 Front and back

1.7 Rolling mill control: Production of continuous sheets and strips is one of the attractive features of modern rolling mills. However, control of sheet thickness and crosssection is a real challenge. In order to continuously monitor the thickness of sheets rolled, xray or gamma ray sensors are used.

Get Price

Control of Strip Tension in a Rolling Mill Based on

Control of Strip Tension in a Rolling Mill Based on Loopers and Impedance Control A. Steinboeck G. Mu hlberger A. Kugi Automation and Control Institute, Vienna University of Tec hnology,

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Strip Thickness Control of Cold Rolling Mill with Roll

description of the cold rolling process is presented. In Section 3, a mathematical model has been driven for singlestand cold rolling mill. In Section 4, architecture and learning algorithm Fuzzy Neural Networkof have been presented. In Section 5, thickness control with roll eccentricity compensation has been proposed. In Section 6,

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Rolling mill control: architecture and appliions IET

Abstract: Considers some of the distributed aspects of the control of modern metal rolling mills. Such mills have a range of ever more ambitious targets, for example product quality, yield, metallurgy and throughput. These aims are supported by high levels of mill sophistiion, in terms of plant equipment, instrumentation, actuators and control hardware.

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Rolling of Steel in small and medium sized Rolling Mills

Jun 09, 2017 · Rolling of Steel in small and medium sized Rolling Mills. satyendra June 9, 2017 Generally AC (alternating current) motors are used in these mills since speed control is not an important issue for such mills. Rolls are normally the main and very costly consumables in a rolling mill. The rolls are used to roll steel in the rolling mill and

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