Rolling Mill Control

Rolling Mill Automation Training Course – TelePro, Inc.

TelePro periodicallly offers a rolling mill automation technology training program at its offices in St. Charles, Illinois. The program is a detailed treatment of mill automation system design and practical, real-world implementation issues. Single-stand and tandem mill applications in both hot and cold rolling are covered.

Hot Rolling Mills | TMEIC

TMEIC Supplies Superior Control Systems for Hot Rolling Mills Hot rolling mills roll heated steel, stainless, and aluminum slabs to make hot strip with a thickness of a few millimeters to over ten millimeters. Hot coils are shipped as they are, or moved to another operation and processed to cold rolled sheet, coated steel sheet, or steel pipe.

ABB Enables Modernization of Steel Rolling Mill in Spain ...

ABB Enables Modernization of Steel Rolling Mill in Spain, Deploys Augmented Reality for Remote Testing . Global technology company ABB is providing a package of metals industry-specific digital-ready solutions, including drives, controller and converter infrastructure, to enable Global Steel Wire (GSW), part of CELSA Group, to modernize operations at its …

Rolling mill and method of rolling mill control

Rolling mill and method of rolling mill control // 2346770. FIELD: technological processes; metallurgy. SUBSTANCE: rolling mill comprises four bed plate columns that are fixed to support plate. Feed shafts are installed in bed plate columns without possibility of displacement in axial direction, but with possibility of rotation.

Rolling Process - SlideShare

• Rolling is the most widely used forming process, which provides high production and close control of final product. •The metal is subjected to high compressive stresses as a result of the friction between the rolls and the metal surface.Rolling process Note: rolling processes can be mainly divided into 1) hot rolling and 2) cold rolling ...

60 YEARS OF ROLLING MILL TECHNOLOGY By Ford B. Cauffiel

When most people think of a rolling mill, they visualize sizable machinery in ferrous (iron, carbon steel and stainless steels) and non-ferrous (copper, brass, lead, etc.) integrated or electric arc furnace (EAF) ... and tension control. This book does not focus on these specific rolling mill manufacturers and their various methods of

[PDF] Hot Rolling Mill Hydraulic Gap Control ( HGC ...

In this article the AGC (Automated Gauge Control) system, of a hot rolling mill is analyzed and different methods are described to improve its performance. The mill stretch compensation and other disturbances during the rolling process are compensated and a rolling speed dependent, adaptive PI controller is developed to accomplish fine thickness control.

Roughing Mill - an overview | ScienceDirect Topics

Precision control of length of cut of rolling stock by cropping shear after roughing mill results in reduction in waste and increase in mill yield. In addition to the higher rate of production in a given time, different grades of steel can be rolled because each grade has its own mill setup coming from the automation system, increased plant ...

Thickness Control for a Steel Beam - MATLAB & Simulink Example

Rolling Stand Model. Figures 1 and 2 depict the process of shaping a beam of hot steel by compressing it with rolling cylinders. Figure 1: Beam Shaping by Rolling Cylinders. Figure 2: Rolling Mill Stand. The desired H shape is impressed by two pairs of rolling cylinders (one per axis) positioned by hydraulic actuators.

The Work Roll Bending Control System of the Hot Plate ...

A majority of modern rolling mills to eliminate the roll bending value during the operation, are equipped with a work roll bending system (WRBS) [4]. WRBS has a hydraulic cylinders at the roll edges, which create a compensation force. The value of this force must convert the bending curve into constant roll-gap.

Automatic Gauge Control in Rolling Process Based on ...

Automatic rolling process is a high-speed system which always requires high-speed control and communication capabilities. Meanwhile, it is also a typical complex electromechanical system; distributed control has become the mainstream of computer control system for rolling mill. Generally, the control system adopts the 2-level control …

Fundamentals of Roll Cooling and Control of Flatness at ...

In the process of Rolling the most significant aspect is the generation of heat through friction and deformation in the roll bite and in a typical Cold Tandem Mill, work roll temperatures normally fall in the range of 55 o C – 70 o C with strip

Rolling | KOBE STEEL, LTD.

1. Precise temperature control and uniform heating with state-of-the-art heating furnaces. 2. High rigidity by using large-sized 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.

Rolling Mill Technology - IMS

Rolling Mill technology is a core competency of IMS. This is where IMS truly got its start, and remains at the heart of what we do. When it comes to Rolling knowledge and experience, IMS is a world leader. IMS was one of the first companies to pioneer the application of PLC systems to all aspects of rolling mill control.

Control, Automation and the Hot Rolling of Steel

Control, automation and the hot rolling of steel By P. J. Reeve, A. F. MacAlister and T. S. Bilkhu ALSTOM Drives & Controls Ltd], Boughton Road, Rugby CV21 1BU, UK The current state of automation and control for hot rolling mills, with a particular emphasis on flat products, is introduced. A typical modern control-system design

ROLLING-(A Brief Guide To Rolling And Rolling Mills)

Rolling mills. Rolling mill consists of rolls, bearings, structure, or housing for rigidly supporting these parts, power drive, power transmission system, speed control, roll gap adjusting set up, etc. The force for rolling generally is very high. The power requirements are very high. Hence initial capital investment is high.

Non‐linear optimal control for the hot‐steel rolling mill ...

Abstract: Control of hot-steel rolling mills aims at raising the levels of quality of the related industrial production and at minimising the cost of the electric energy consumed by such industrial units. This paper proposes a non-linear optimal control approach for …

Amazon: rolling mill machine

VEVOR Rolling Mills 3"/76mm Jewelry Rolling Mill Machine Gear Ratio 1:2.5 Wire Roller Mill 0.1-7mm Press Thickness Manual Combination Rolling Mill for Metal Jewelry Sheet Square Semicircle Pattern. $164.09.

Designing of Hot Strip Rolling Mill Control System

Aimed at the complex demand of hot strip rolling mill in practicing, the configuration of the coiler and the technological process is analyzed. The arithmetic of coiling tension and the control process is introduced. The frame of the tension adjusting system is given. The coiler control system hardware is designed. The system is designed scientifically with steady control and …

Strip Thickness Control of Cold Rolling Mill with Roll ...

In rolling mill, the accuracy and quality of the strip exit thickness are very important factors. To realize high accuracy in the strip exit thickness, the Automatic Gauge Control (AGC) system is used. Because of roll eccentricity in backup rolls, the exit thickness deviates periodically. In this paper, we design PI controller in outer loop for the strip exit thickness while PD controller is ...

Steel Hot Rolling Mill Process Control | NDC Technologies

NDC has over 50 years of experience in measurement and control applications involving hot rolling mills. We've installed numerous LaserSpeed® Pro non-contact length and speed gauging systems across the globe at the leading manufacturing plants to improve product quality, increase productivity and drive manufacturing savings.

ABB process control solutions for metals plants - ABB ...

The ABB award-winning distributed control system (DCS) product families can be scaled to meet different customer needs from PLC functionality up to high-end rolling mill controller including technological controls, mathematical models and simulation packages, full integration of process, electrical and safety - to achieve greater results with fewer resources.

Tandem Cold Metal Rolling Mill Control: Using Practical ...

Tandem Cold Metal Rolling Mill Control will also interest academics and graduate students interested in advanced automatic control and its practical application and in the uses of the state-dependent Ricatti equation in particular. Advances in Industrial Control aims to report and encourage the transfer of technology in control engineering.

US3416341A - Rolling mill control system - Google Patents

(cl. 72-20) the invention relates to rolling mills and more particularly to an improved roll gap control system therefor wherein the functions of a rolling …

Shape and Gauge Control of Strip in a Cold Rolling Mill ...

The flatness control in cold rolling mill is carried out through automatic flatness control (AFC). The control tasks which are to be achieved in the Level 1 closed-loop control for cold rolling mill concerns not only the thickness (AGC) but also the flatness (AFC).

Rolling mill looper control system - Westinghouse Electric ...

in a rolling mill looper control system for controlling a looper arm supporting a looper roller adapted to engage a strip of material to be rolled from a first roll stand to a second roll stand, including a direct-current looper motor for applying torque to said looper arm; a speed regulator for adjusting the speed of at least one of said first …

ROLLING MILL CONTROL - WEAN UNITED INC,US

Rolling mill controls generally are concerned with effecting a change in the roll setting as a function of a change in the rolling pressure. Prior patents that, at least in part, envision such a control are U. S. Pat. No. 2,726,541 that issued to R. B. Sims on Dec. 13, 1955 and No. 3,496,743 that issued to M. D. Stone on Feb. 24, 1970.

Steel Cold Rolling Mill Process Control | NDC Technologies ...

Accurately Controlling Mass Flow. Modern rolling mills are using the LaserSpeed® Pro non-contact laser gauge to directly measure the strip speed in Mass Flow Automatic Gauge Control (MFAGC) and elongation applications that require differential speed control. This new generation of laser-based gauge provides high measurement accuracy and high ...

Gerdau selects Danieli Automation to modernize automation ...

A new, ergonomic main control desk, 3Q HMI system and local boxes will be provided to support user activities during on-field operations. The second order is to revamp automation for rolling mill #1, which produces small profiles and rebar, focusing on modernization of the mill speed master control, including new hardware.

Large AC Adjustable Speed Motors for Metals Rolling Mills

technology for rolling mill applications. As a result, TMEIC provides customers with an unparalleled choice of technology, including: 1. Proven AC drive solution for each type of rolling mill application, ranging from large torque, slow-speed roughing mills to the high-speed, wide tension range aluminum foil mills. 2.

Automation and Thickness Control in Hot Strip Mill – IspatGuru

Fig 1 Structure of a typical automation system for hot strip mill process. Level 0 – It is the lowest level of control and includes, for example, the control loops for hydraulic capsules used to position the rolls in the rolling mills and for the main electric motors powering the mill.. Level 1 – It is primarily concerned with in-piece control. At this level, the quality parameters …

loop scanner for rerolling mills

Loop control to Roll Mill YouTube . Jul 24 2013 re bar rolling mill wire rod rolling mill bar rolling mill tmt rolling mill steel rolling mill Duration 4 46 Preet Machines Limited 34 236 views

Speed control systems are used in steel mills for | Chegg

Transcribed image text: Speed control systems are used in steel mills for rolling the steel sheets and moving the steel through the mill . The block diagram of an armature- controlled DC motor with a load torque disturbance is shown in figure 2, where it …

EP0435595B1 - Thickness control system for a rolling mill ...

Thickness control system for a rolling mill Download PDF Info ... control tension Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to …

Tandem Cold Metal Rolling Mill Control: Using Practical ...

Tandem Cold Metal Rolling Mill Control deals primarily with a novel and practical advanced method for control of the tandem cold metal rolling processes based on the state-dependent Riccati equation technique which is recently emerging as a useful method for control of complex nonlinear systems. Background material is presented to assist the ...