rolling mills tuning

  • Controller Tuningan overview ScienceDirect Topics

    For feedback controller tuning the approximate model of a system with complex dynamics can have the form of a first-order-plus-time-delay transfer function (8).The process is characterised by a steady-state gain K an effective time constant T and an effective time delay D.The model of the distillation column was identified using the Strejc method (Mikleš and Fikar 2007).

  • Rolling Mill OptimisationoptimAl Process Technology

    Improving Mill PerformanceQuality and Productivity We specialise in the optimisation of rolling mills to deliver better quality and productivity from your existing installed plant. We have completed many optimisation projects from hot through cold to foil rolling and for many different mill types. Hot Rolling Mills Single Stand Reversing Tandem Hot Finishing

  • An introduction to plate levelingThe Fabricator

    Plate levelers apply up to 6 000 tons of separating force or the vertical force applied by the rolls. In fact heavy-duty plate levelers apply forces that surpass those applied even by the rolling mills that produce the steel. All that force comes from powerful cylinders that apply 10 000 pounds of

  • Full swing at the rolling mill Gränges

    The core group that took on the job of fine tuning the activities at the machine consisted of operators production leader Magnus Jonsson Attila Szöcs maintenance coordinator and Lars Svensson from production engineering. This has resulted in an ongoing project replacing the scissors that cut the coil ends in the hot rolling mill. "In

  • Self-tuning control in Cold Rolling Mills

    Self-tuning control in Cold Rolling Mills. The major difficulty in strip thickness control is the high speed combined with changing strip qaulities and the high accuracy that is required. The control system will face a "new process" for each new strip entering the mill.

  • A review of PID control tuning methods and applications

    Jul 17 2020 · Brown RE Maliotis GN Gibby JA (1993) PID self-tuning controller for aluminum rolling mill. IEEE Trans Ind Appl 29(3) 578–583. Google Scholar 13. Vega P Prada C Aleixandre V (1991) Self-tuning predictive PID controller. In IEE Proceedings D (Control Theory and Applications) vol

  • MetalsMaster AGC Automatic Guage Control

    sheet and foil rolling operations. Honeywell brings 40 years of experience and proven technology to rolling mill automation combined with easy to use tools for operators and engineers to optimize performance and reliability of your rolling mills.

  • Coupling Dynamic Model and Control of Chatter in Cold Rolling

    Apr 24 2012 · The dynamic model of 4-h mill which couples with the rolling process model the mill roll stand structure model and the hydraulic servo system model is built by analyzing the vibration process of cold rolling. A Novel Three-Parameter Tuning Method for Seismic Simulation Shaking Table. FPNI2014. Related Chapters. QP Based Encoder Feedback

  • Self-tuning control in Cold Rolling Mills

    Self-tuning control in Cold Rolling Mills. The major difficulty in strip thickness control is the high speed combined with changing strip qaulities and the high accuracy that is required. The control system will face a "new process" for each new strip entering the mill.

  • A review of PID control tuning methods and applications

    Jul 17 2020 · Brown RE Maliotis GN Gibby JA (1993) PID self-tuning controller for aluminum rolling mill. IEEE Trans Ind Appl 29(3) 578–583. Google Scholar 13. Vega P Prada C Aleixandre V (1991) Self-tuning predictive PID controller. In IEE Proceedings D (Control Theory and Applications) vol

  • (PDF) Transient Torsional Vibrations Control in the Geared

    Oct 02 2020 · The excessive dynamic loads and shock vibration are particular for the hot rolling mills equipment. An attempt to reduce torque amplification factor (TAF) has

  • Hugh McDonald Steel Rolling MillMachinery General

    Sep 29 2011 · Has any one made one of these Hugh McDonald Steel Rolling Mill It looks like it would be the ticket. Though I have a few minor tuning tweaks to do it works as advertised. Quite useful for small spaces and residental areas where a power hammer is not practical. It is not a substitute for a power hammer but useful nevertheless.

  • Design and PLC Implementation of Complex Industrial

    A steel rolling mill produces a sheet of uniform thickness from a slab of steel. It typically consists of several rolling stages with rollers in each stage compressing the sheet of steel passing through it (Figure 1). In between the roller stages looper stages maintain the tension in the sheet and prevent tearing and formation of slack.

  • Sensors Free Full-Text Vibration-Based Diagnostics of

    Dec 18 2020 · The problem solved in this research is the diagnosis of the radial clearances in bearing supports and the loosening of fastening bolts due to their plastic elongation (creep) or weak tightening using vibration signals. This is an important issue for the maintenance of the heavy-duty gearboxes of powerful mining machines and rolling mills working in non-stationary regimes.

  • (PDF) Transient Torsional Vibrations Control in the Geared

    Oct 02 2020 · The excessive dynamic loads and shock vibration are particular for the hot rolling mills equipment. An attempt to reduce torque amplification factor (TAF) has

  • MetalsMaster AGC Automatic Guage Control

    sheet and foil rolling operations. Honeywell brings 40 years of experience and proven technology to rolling mill automation combined with easy to use tools for operators and engineers to optimize performance and reliability of your rolling mills.

  • An introduction to plate levelingThe Fabricator

    Plate levelers apply up to 6 000 tons of separating force or the vertical force applied by the rolls. In fact heavy-duty plate levelers apply forces that surpass those applied even by the rolling mills that produce the steel. All that force comes from powerful cylinders that apply 10 000 pounds of

  • Rukus Customs Unit 3 Heavy Metal House Rolling Mill Road

    3 heavy metal house Rolling Mill Road . MPG Tuning. 44 Rumer Hill Business Estate Rumer Hill Road Honda HQ. Unit 3B Ivy House Farm Wolverhampton Road Cheslyn Hay . Chase Accident Repairs Ltd. Hyssop Close . Show All. About AutoYas. One of the largest resources on the Internet for finding cars car services and related businesses

  • Thickness Control for a Steel BeamMATLAB Simulink

    Unfortunately rolling mills have some amount of cross-coupling between axes because an increase in force along x compresses the material and causes a relative decrease in force along the y axis. Cross-coupling effects are modeled as shown in Figure 5 with gxy=0.1 and gyx=0.4.

  • Optimization of cold rolling mill process to improve

    rolling mill process in order to maximize throughput and minimize cost and crop losses. He applied computational Intelligence based optimization for the first time to the rolling schedule of tandem cold rolling mill. Rolling schedule is a set of multiple rolling parameters such as reduction roll force torque rolling speed and tension.

  • WOA1Plate thickness control method and plate

    Provided is a plate thickness control method for controlling in a rolling mill for rolling a plate to obtain a target plate thickness a plate thickness by determining an estimated plate thickness deviation from the following expression (1) ∆h e (t) = ∆S(t) G ∆P(t)/Kc (1) in which Kc t ∆P(t) ∆S(t) and ∆h e (t) (A) represent the rigidity of the rolling mill used for the

  • Improvement of Accuracy for Gauge and Elongation Control

    ling the rolling force of the mill by a hydraulic screw-down control system. 2.3 AEC for skin pass mill of continuous processing line 2.3.1 Conventional AEC methods and their problems In most cases an in-line skin pass mill of a CGL is installed at its center section (furnace section) and for this reason it is difficult to

  • WOA1Plate thickness control method and plate

    Provided is a plate thickness control method for controlling in a rolling mill for rolling a plate to obtain a target plate thickness a plate thickness by determining an estimated plate thickness deviation from the following expression (1) ∆h e (t) = ∆S(t) G ∆P(t)/Kc (1) in which Kc t ∆P(t) ∆S(t) and ∆h e (t) (A) represent the rigidity of the rolling mill used for the

  • Self-tuning control in Cold Rolling Mills

    Self-tuning control in Cold Rolling Mills. The major difficulty in strip thickness control is the high speed combined with changing strip qaulities and the high accuracy that is required. The control system will face a "new process" for each new strip entering the mill.

  • Improvement of Accuracy for Gauge and Elongation Control

    ling the rolling force of the mill by a hydraulic screw-down control system. 2.3 AEC for skin pass mill of continuous processing line 2.3.1 Conventional AEC methods and their problems In most cases an in-line skin pass mill of a CGL is installed at its center section (furnace section) and for this reason it is difficult to

  • MetalsMaster AGC Automatic Guage Control

    sheet and foil rolling operations. Honeywell brings 40 years of experience and proven technology to rolling mill automation combined with easy to use tools for operators and engineers to optimize performance and reliability of your rolling mills.

  • A Flatness Based Approach for the Thickness Control in

    In the last years in rolling mills a strong tendency towards tighter thickness tolerances and higher efficiency can be ob- served. Apart from the mechanical equipment the actuators and sensors a big potential for improving the quality of the rolled product lies in

  • Strip Thickness Control of Cold Rolling Mill with Roll

    Nov 12 2013 · description of the cold rolling process is presented. In Section 3 a mathematical model has been driven for sin-gle-stand cold rolling mill. In Section 4 architecture and learning algorithm Fuzzy Neural Networkof have been presented. In Section 5 thickness control with roll ec-centricity compensation has been proposed. In Section 6

  • Hydraulic gap control of rolling mill based on self-tuning

    Dec 05 2016 · The simulation and field test results of the step response and the position tracking that is carried out on the HGC system of a cold rolling mill show that when compared with the conventional PID control system the self-tuning fuzzy PID system has the characteristics of fast response short rise time no lag small overshoot and strong anti-interference ability.

  • Sensors Free Full-Text Vibration-Based Diagnostics of

    Dec 18 2020 · The problem solved in this research is the diagnosis of the radial clearances in bearing supports and the loosening of fastening bolts due to their plastic elongation (creep) or weak tightening using vibration signals. This is an important issue for the maintenance of the heavy-duty gearboxes of powerful mining machines and rolling mills working in non-stationary regimes.

  • Strip Thickness Control of Cold Rolling Mill with Roll

    Nov 12 2013 · description of the cold rolling process is presented. In Section 3 a mathematical model has been driven for sin-gle-stand cold rolling mill. In Section 4 architecture and learning algorithm Fuzzy Neural Networkof have been presented. In Section 5 thickness control with roll ec-centricity compensation has been proposed. In Section 6

  • Journal of Low Frequency Noise Active vibration

    the tuning mechanical clearance 11 which plays an important role in vibration damping. In addition some researchers adopted heuristic algorithms such as neural networks and genetic algorithms to optimize the state parameters of rolling mills.12 As a result rolling chatter was decreased and rolling speed was increased. For the

  • Design and PLC Implementation of Complex Industrial

    A steel rolling mill produces a sheet of uniform thickness from a slab of steel. It typically consists of several rolling stages with rollers in each stage compressing the sheet of steel passing through it (Figure 1). In between the roller stages looper stages maintain the tension in the sheet and prevent tearing and formation of slack.

  • Controller Tuningan overview ScienceDirect Topics

    For feedback controller tuning the approximate model of a system with complex dynamics can have the form of a first-order-plus-time-delay transfer function (8).The process is characterised by a steady-state gain K an effective time constant T and an effective time delay D.The model of the distillation column was identified using the Strejc method (Mikleš and Fikar 2007).

  • Why does aluminium rolling mill performance decline

    The performance of an aluminium rolling mill will be a combination of several key parameters including mill productivity and product quality from the mill. The performance will decline for many reasons as the mill ages and these will be discussed below. Unless the plant has the skills to adjust the tuning parameters of the mill s on-line

  • Rolling mills First Control Systems AB

    FirstOpNet DCS system for Cold Rolling Mills with adaptive control. The DCS control system designed by First Control is based on modern control technology with self-tuning control to achieve maximal production performance. Experience from several installations shows that the self-tuning regulator reduces the thickness deviations by 50-75