tension control method for a rolling mill

US5103662A - Tandem rolling mill tension control with speed ratio .A method is provided for controlling interstand tension by roll gap adjustment to reduce gage variations caused by unplanned rolling velocity changes wherein a.tension control method for a rolling mill,Process Control and Optimization, VOLUME II - UnicaucaDanieli Corus, automation and control, and consulting services for rolling mill and processing line . using both analog and digital control techniques and are. +. –. D. T. M . references calculated include interstand thickness and tensions, roll.Robust Tension Control of Strip for 5-Stand Tandem Cold . - HindawiOct 8, 2014 . 1Department of Automation Engineering, Tandem Cold Rolling Mill, . methods have been developed to analyze and control rolling mills [6–11]. . To promote tension control of cold rolling mills, two advanced robust control.

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Looperless Tension Control in Hot Rolling . - Semantic Scholar

Tension control is applied at finish rolling process of rolling . control method because in continuous finishing mill process, it is impossible to install the looper.

Computation of Rolling Stand Parameters by Genetic Algorithm

Abstract: Mathematical model of rolling process is used at cold mill rolling on tandem . on the mill and get immeasurable variables necessary for rolling control and . (geometrical dimensions, rolling force, front and back tensions, roll velocity),.

Robust Tension Control of Strip for 5-Stand Tandem Cold Mills

Oct 8, 2014 . 1 Department of Automation Engineering, Tandem Cold Rolling Mill, .. control and synthesis method are applied to tension control.

Digital optimal control of multi-stand rolling mills with measurement .

Abstract. In this paper, the problem of designing an optimal control algorithm for rolling processes is . Tension and speed control of the continuous strip processing lines are the . In fact, rolling mill is described as a discrete event system to be.

The Study of Continuous Rolling Mill Inter-stand Tension . - Core

Keywords: electric drive, rolling mill, tension control, simulation, stand force . rolling of the stands has been estimated with one of the possible methods, we.

tension control method for a rolling mill,

Advanced Tension Control in Steel Rolling Mills - IEEE Control .

Traditional tension control systems for steel bars/billets (so-called "long products") involve using . A rolling mill made of a sequence of rolling stands yielding the.

AGC - Honeywell Process

foil rolling to help achieve faster rolling speeds, tighter gauge quality control and improved flatness. . to rolling mill automation; combined with easy to use tools for operators and . o Foil mills use speed or tension AGC with speed optimization . Multiple I/O methods include analog (hard wired), Profibus DP,. TCP/IP links.

1 THE MECHANICS OF TENSION CONTROL . - Converter Accessory

This presentation is a basic tutorial in the mechanics of web tension control. We will . Slitting operations require proper slit position, which is a function of tension and .. torque to a roll of material or driven roll(s) in a converting machine.

Decentralized robust decoupling control for looper tension and .

. of looper tension and height control system of hot continuous rolling mill, . rolling mill, a robust control strategy based on decentralized control method was.

US5103662A - Tandem rolling mill tension control with speed ratio .

A method is provided for controlling interstand tension by roll gap adjustment to reduce gage variations caused by unplanned rolling velocity changes wherein a.

On the full stand modeling and tension control for the hot strip .

May 3, 2004 . We describe a looper controller design for a hot strip finishing mill in steel plants. The main function of the looper system is to balance the mass.

Diameter control of copper rod in hot rolling processes: Journal of .

In addition, it proposes a solution to control the diameter of the copper rod in order to improve the quality of the hot rolling mill products. . the fluctuations in the rod diameter and different control techniques with variable . Keywords: hot rolling process, PID controller, PSO, tension control, diameter control, speed control.

fuzzy tension control scheme for roughing and intermediate rolling .

looperless interstand tension control of roughing and intermediate rolling mills remains a . Hot metal rolling mill is a key steel processing facility in steel plants. A typical . Many advanced control techniques have recently been developed for.

Algorithm of no-pull control in the continuous mill train - IEEE Xplore

Reasons of the roll product dimensional accuracy reduction at the gauge . Improvement of the tension control accuracy by the factor of 2-2.5 has been proved.

Roll Diameter and Tension Control | Banner

Measuring roll diameter and monitoring loop tension is fundamental to maintaining the . to provide a non-contact method to measure the roll of film's diameter. By determining the roll's radius, the vertical form fill seal machine can calculate the.

Control of Strip Tension in a Rolling Mill Based on Loopers and .

Aug 29, 2014 . principle, Steel industry, Tandem rolling mill, Looper control, Strip tension control. 1. . less tension control is a delicate task due to the high tensile stiffness of the strip, ... 2.2 Application of Galerkin Weighted Residual Method.

Robust Tension Control of Strip for 5-Stand Tandem Cold Mills

Oct 8, 2014 . 1 Department of Automation Engineering, Tandem Cold Rolling Mill, .. control and synthesis method are applied to tension control.

Looper and tension control in hot rolling mills: A survey | Request PDF

Request PDF on ResearchGate | Looper and tension control in hot rolling mills: A survey . in control performance, and thus a major role of the control algorithm is . In the hot strip mill process of the iron and steel industry, heated slabs (about.

Simulating a Multi-Stage Rolling Mill Process, Part 1: Modeling and .

. for tension control. 17:08 · Part 3: Tension Control In this webinar, you will learn how to design PID controllers for managing tension in a multistage rolling mill process. . Using Model-Based Methods Throughout the Control System. 13:46.

Looperless Tension Control in Hot Rolling . - Semantic Scholar

Tension control is applied at finish rolling process of rolling . control method because in continuous finishing mill process, it is impossible to install the looper.

rolling - Primetals Technologies

In the steel plant of the future, the complexity . width-deviation compensation using tension control is .. nisms, it could not function without a reliable sensor.

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