explain with block diagram of continuous hot rolling mill

  • 15EE61T Industrial Drives and Control Electrical 6th Sem

    Feb 21 2020 · Draw the process flow diagram of steel mill and explain process involved Ref 3 01 Hour Select a suitable motor and drive in steel mills and justify the selection reverse hot rolling reverse cold rolling continuous hot rolling continuous cold rolling Ref 3 01 Hour

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  • Modeling and Simulation of Electric-hydraulic Control

    Fig. 2 Block Diagram of Transfer Function of Hydraulic Bending System III. DYNAMIC SIMULATION ANALYZE A. Parameters of Hydraulic Bending System The positive bending work roll system of some 1580 hot tandem rolling mill is studied. One side of every stand (of the up and down work roll) has 4 bending cylinders which are controlled by a servo valve.

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  • A Material Velocity and Path Measurement System in

    Jun 01 1996 · The slight differences observed are due to the differences between in simulation supposed and actual slipping friction coefficient curve as well as pressure force. 5. CONCLUSION A system for the measuring of material velocity and path in continuous rolling mills is a part of a complex flying shear control system.

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  • (PDF) Advanced Control Techniques for Rolling Mills

    Block diagram of a single mill stand input and a lumped-parameter hot-rolling mill model. and regulating systems is considered for continuous-time systems with different time-delays in

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  • The development of the electromechanical screw-down

    The mechanisms control scheme and the signals transmission scheme of the rolling mill were composed. The block diagram of the screw-down mechanism motion control system was developed. The simulation results were compared with the data of electromechanical screw-down mechanism of the Magnitogorsk Steel Works hot plate rolling mill "5000".

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  • FUNDAMENTALS OF DESIGN AND MANUFACTURING

    4. (a) What is rolling and types of rolling in metal working For which type of products the Method is suitable. 8 (b) Explain progressive die and compound die with suitable diagram. 8 (c) What is the purpose of heat treatment of forging 4 Group B 5.

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  • Electrical Drive Traction (Their Control)

    Apr 16 2016 · Technologically steel mill is divided into four categories Continuous cold rolling mills Reversing cold rolling mills Continuous hot rolling mills Reversing hot rolling mills In reversing mill there is only one stand carrying the rolls that press the metal and metal is passed through this stand alternately forward and backward several times

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  • (PDF) Advanced Control Techniques for Rolling Mills

    Block diagram of a single mill stand input and a lumped-parameter hot-rolling mill model. and regulating systems is considered for continuous-time systems with different time-delays in

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  • SAULT COLLEGE of Applied Arts and Technology Sault Ste

    2a.Draw a simplified block diagram of a closed loop system providing Explain the terms open loop and closed loop as they apply to automatic control systems and recall the advantages and disadvan-tages of each. 5. Given a simplified block (layout) diagram of a steel rolling mill explain in general terms how the operation is automatically

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  • HIGH-PERFORMANCE HOT ROLLING MILLS

    HOT ROLLING MILLS Electrics and Automation Hot Rolling Mills (Continuous Flow Chart) used in a PLC programming environment. FBD function block diagram. S MIE AG Electrics and Automation 6 MODERN HARDWARE SOLUTIONS HARDWARE AND SOFTWARE PLATFORM We use state-of-the-art computer technologies for

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  • US5479803AControl apparatus for a continuous hot

    A setting means sets variables for expressing the process model a target thickness value of the rolled material a target interstand tension value of the rolled material variables for responses of the thickness and the interstand tension and variables for adjusting the responses of a control system for controlling the thickness and the interstand tension.

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  • Automatic Tension Control in the Continuous Roughing Train

    Oct 24 2017 · It involves combining speed-difference tension control during free rolling and static-current tension control during multi-stand rolling on three stands. A functional block diagram of the system implementing the method is considered. Experimental data obtained on the 2000 mill

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  • (PDF) Advanced Control Techniques for Rolling Mills

    Block diagram of a single mill stand input and a lumped-parameter hot-rolling mill model. and regulating systems is considered for continuous-time systems with different time-delays in

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  • Usak University Journal of Material Sciences

    continuous bodies that were joined by a Winkler elastic layer. They have shown that the influence of moment of bending rolling force on the vibration of work roll is related with the bending roll force. Lü et al. 22 used the Least squares method to identify the hot rolling mill abnormal vibration model on the basis of foregoing analysis. .

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  • Automation and Thickness Control in Hot Strip MillIspatGuru

    Oct 16 2020 · The hierarchical structure of a control automation system normally adopted for hot strip mill is shown in Fig 1. This difference in time-scale and scope of the individual controls is reflected in the multi-level structure of the control systems now widely used on rolling mills. In Fig 1 the block diagram of such a multi-level system is shown.

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  • US Patent for Alloy and method for making continuously

    A method for making aluminum alloy can stock from continuously cast aluminum alloy slabs includes the steps of continuous casting hot rolling hot line annealing cold rolling intermediate annealing and cold rolling to final gauge. After the material is cold rolled to final gauge it is subjected to a heat treatment step which improves its formability.

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  • ELECTRICAL DRIVES CONTROL

    1.1 block diagram of an electrical drives 7 1.1.1 basic component (or) elements of eletcric drives 8 1.2 factors influencing the choice of electrical drives 9 1.3 classification of electric drives with factor 10 1.3.1 group drive 10 1.3.2 individual drive 10 1.3.3 multimotor drive 11 1.4 load conditions in motor 11

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  • rolling mill plant single line diagram

    A continuous mill plant for rolling steel plates having one or a plurality of rolling mills. The form of an area between the lower and upper limit lines in each . 5 is a diagram showing a speed cone of a rolling mill modified

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  • Top PDF hot rolling mill process1Library

    In most modem hot rolling procedure the strips are coiled up in continuity Coiling is the last key production step in hot rolling procedure which is done by the coilers. The coilers are indispensable important equipment in hot strip rolling line. Their main task is to coil the strip out of the finishing mill and then transport to the next working procedure.

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  • Basics of Hydraulics and Hydraulic SystemsIspatGuru

    Nov 07 2015 · Included in the diagrams is a description a sequence of operations notes and a components list. Accurate diagrams are essential to the designer the people who build the machine and the people who maintain the hydraulic system. There are four types of hydraulic-circuit diagrams. They are block cutaway pictorial and graphical.

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  • rolling mill drives used block diagram

    block diagrams of a roll mill fietswereldmeulendijks . rolling mill drives used block diagram dc motor speed synchronization for rolling mills circuit Dc Motor Drive For Rolling Mill Apliion block diagrams of a roll mill openin cold rolling mills More Products rolling mill block diagram as an control system The shape control problem for a Sendzimir 20roll cold rolling steel mill is As .

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  • US6167736B1Tension control system and method for

    The Figure is a block diagram illustration of a portion of a continuous hot rolling mill 20 that rolls product along a pass line 22. A first hot metal detector 24 detects the presence/absence of product along the pass line 22 and provides a signal indicative thereof on a line 26 to a controller 28 .

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