how to control eccentricity problem in hot rolling mill

  • Strip Thickness Control of Cold Rolling Mill with Roll

    Strip Thickness Control of Cold Rolling Mill with Roll Eccentricity Compensation by Using constraints can be a tedious and challenging problem in many control appliions [2]. the high precision of strip thickness, various types of Automatic Gauge Control (AGC) methods have been developed for hot or cold mill processes. The British

  • 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

  • Projects and Automation Solutions Honeywell

    foil rolling to help achieve faster rolling speeds, tighter gauge quality control and improved flatness. Product Brief Experion MetalsMaster systems are designed for highperformance automation of aluminum rolling mills. Honeywell has combined entry and exit thickness measurements, Automatic Gauge Control (AGC), Hydraulic Gap Control (HGC) and

  • Ball Mill officinadisanzo.it

    control rolling mill . FuzzyNeural Control of HotRolling Mill Khearia Mohamad Abduladhem A Ali Dr R Nagrajan Dep of Electrical Eng . Get More Info Control System for Tandem Cold Mills with Roll, Control System for Tandem Cold Mills with Roll Eccentricity Seung, in the coldrolling mill process,, Thickness control in a cold mill is necessary to.

  • The Hot Rolling Process California Steel Industries

    The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semifinished 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.

  • Hot Rolling Mill Hydraulic Gap Control (HGC) thickness

    – 99 – P. Kucsera et al. Hot Rolling Mill HGC Thickness Control Improvement Figure 6 Effect of roll eccentricity on output strip thickness Figure 7 Thickness control loop with eccentricity thickness deviation as a disturbance The hot rolling mill environment is quite harsh, so the Xray thickness gauge is placed a few meters away from the

  • HOT ROLLING PRACTICE – An Attempted Recollection

    1 HOT ROLLING PRACTICE – An Attempted Recollection Saral Dutta. B. Tech. (Hons.), I.I.T. Executive Director, ISP & RMD, SAIL (Retired) Rolling is a metal forming process in which metal stock is passed through a pair of rolls.

  • Process controller For rolling mills and processing lines

    Control and configuration software The control software and the configuration tool cover all ranges of rolling mill control functionality from sequential control to drives and technological controls like roll gap or automatic gauge control. All functionality can be designed, tested and debugged in offline mode.

  • Solutions for cold rolling mills Technological controls

    Solutions for cold rolling mills Technological controls for cold rolling processes Rolling of flat metal products is a complex process where the quality of the product is influenced by various factors like incoming material, mechanical and electrical equipment, lubriion and control strategies. For highend performance in terms of

  • how to control eccentricity problem in hot rolling mill

    how to control eccentricity problem in hot rolling mill Roll Eccentricity Control for Strip Rolling An indepth review of the roll eccentricity control design problem is provided which encompasses a number of recent, novel, design contributions and includes experimental results from two separate steel, tandem cold rolling mill installations

  • Improvement of thickness tolerances in aluminium cold

    After the successful simulation study, the control concepts were implemented on the twostand cold rolling mill. In observation mode the functions for eccentricity and hardness compensation could be monitored and preoptimized in parallel to normal operation with no effect on the current operation of the mill.

  • Methods To Control Eccentricity In Forged Rolls

    Extending UMLRT for Control System modeling and design methods and realtime scheduling theory is the key to Roll Speed Control and Roll Eccentricity. Roll Eccentricity Control for Strip Rolling Mills . An indepth review of the roll eccentricity control design problem is provided which encompasses a number of recent, novel, design contributions

  • rolling mill roll eccentricity control iahilversum

    rolling mill roll eccentricity control. control of roll eccentricity compensation of finishing mill, systematic analysis is conducted on the roll eccentricity problem of thickness control system occurring in finishing mill rolling at tiangang heavy and medium plate mill.how to control eccentricity problem in hot rolling mill, hot & cold mill training course : control and technology. rolling

  • 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

  • Active compensation of roll eccentricity in rolling mills

    This paper is concerned with the active compensation of the rolleccentricityinduced periodic disturbances in the strip exit thickness of hot and cold rolling mills.

  • Roll Eccentricity Control for Strip Rolling Mills

    An indepth review of the roll eccentricity control design problem is provided which encompasses a number of recent, novel, design contributions and includes experimental results from two separate steel, tandem cold rolling mill installations.

  • Rolling of hot strip and strip defects ispatguru

    Jan 14, 2017 · Gauge control in hot strip rolling mills is achieved through measurement of strip thickness using xray gauge and adjusting the strip tension using feedback control system. During the rolling of hot strips, the hot strip is coiled to handle its increasing length due to a reduction of thickness.

  • Unwind/rewind eccentricity control for rolling mills

    Mar 06, 1990 · It has been discovered that variations in the thickness of metal strip entering and/or leaving a rolling mill resulting from cyclic conditions associated with coils of the strip that can be substantially reduced, if not eliminated all together, by direct appliion of the eccentricity control algorithm disclosed in U.S. Pat. Nos. 4,222,254

    Authors: Ralf Starke · Kenneth C MarkleyAffiliation: Alcoa
  • how to control eccentricity problem in hot rolling mill

    how to control eccentricity problem in hot rolling mill. Control of Roller Eccentricity Based on Phasic Compensation, how to control eccentricity problem in hot rolling mill,, eccentricity filter used on 1 700 hot strip mill of Anshan Iron and Steel Group Corporation is presentedThe characteristics and advantages of control algorithm based on phasic compensation are analysedBy,

  • hot rolling mill roll eccentricity winterbergappartement

    hot rolling mill roll eccentricity parsana. Roll Eccentricity Control for Strip Rolling Mills ScienceDirect An indepth review of the roll eccentricity control design problem is provided which encompasses a number of recent, novel, design contributions and includes experimental results from two separate steel, tandem cold rolling mill

  • Research on Mill Modulus Control of Strip Rolling AGC

    Control theories and models related to MMC were studied deeply in this paper. Its ability to eliminate strip thickness deviation, rolling force noise and roller eccentricity disturbances were simulated respectively based on different virtual mill modulus with MATLAB. As a result, how to get a better control effect was analyzed and confirmed.

  • Rolling processes AlMustansiriya University

    Rolling processes 51 introduction: Rolling is the process of reducing the thickness or changing the cross section of a long workpiece by compressive forces applied through a set of rolls, as shown in figure (51). Fig. (51) Most rolling is carried out by hot working, called hot rolling, owing to the large amount of deformation required.

  • Methods To Control Eccentricity In Forged Rolls

    Extending UMLRT for Control System modeling and design methods and realtime scheduling theory is the key to Roll Speed Control and Roll Eccentricity. Roll Eccentricity Control for Strip Rolling Mills . An indepth review of the roll eccentricity control design problem is provided which encompasses a number of recent, novel, design contributions

  • A Review on Chatter Analysis in Cold Rolling process

    A Review on Chatter Analysis in Cold Rolling process Asit Kumar Choudhary*, Vinay S Gujre and Rahul Kumar Verma rolling mill was derived analytically using the factors causing negative and positive damping [8]. However, up till now, to remove chatter completely remains Figure 2: Hot rolled coil after welding, notching and punching.

  • The Hot Rolling Process California Steel Industries

    The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semifinished 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.

  • rolling mill technology free pdf taxicompanyzaanstad

    employ the latest rolling mill technology including automatic control of rolling and, tension and tensionfree rolling, ABB Ugauges, inline technology of hot rolling mill process pdf technology of hot rolling mill process pdfGold technology of hot rolling mill process pdf Back to Mobile View Free . Roll Eccentricity 001 Rolling Mill

  • pre:kaolin jaw crusher for sale in south africanext:kingsgate mining in lue

Contact us

Office Address: Jianggan District, Hangzhou, China
Email:[email protected]

Copyright© 2015-2019 OMG machinery.All rights reserved |Sitemap