rolling mills parameters

rolling mills parameters

CONTROL PROCESS FOR A COLD ROLLING MILL BY …

CONTROL PROCESS FOR A COLD ROLLING MILL BY VIBRATIONS AND TORQUE Stefan DRAGOMIR, Nicolae DIACONU ... the torque and to measure the mill parameters as well (the force, the mill speed, the gap between work roll etc.). ... This system is a part of the integrated control process. Keywords: Cold rolling mill, torque, vibration, chatter, quality ...

Rolling mill automation control system (RACS)

Rolling mill automation control system (RACS) ... profile, special bar mills and titanium rolling mills. It ... uploading and saving rolling parameters. This tool, integrated with RACS stand speed control, is able to load speed references without stopping the mill, thus saving ...

Rolling Mills Department

In the rolling mills the vibration is measured during increase of the load moment on the working shafts, the amplitudes and phases of oscillations at resonant frequencies of entire twisting system of transmission are determined, the absolute values of the wear of separate units are calculated according to the difference of measured parameters ... rolling mills parameters

Modernization of Mill Power Systems for Better Control and ...

Modernization of Mill Power Systems for Better Control and Visualization Brian Clark Schweitzer Engineering Laboratories, Inc. Tim Burttram Cascade Steel Rolling Mills, Inc. Presented at AISTech– The Iron & Steel Technology Conference and Exposition Indianapolis, Indiana May–8,

REDUCERS FOR MAIN DRIVES ОF ROLLING MILLS

rolling mills is equipped with various special gearboxes used in the main drive as well as in the accessories. ... Mode parameters of rolling Workpiece dia, mm Mode parameterAngle feed rollers, degreeRolling torque, kNm

Industrial for cold rolling mills

Parameter variations (slow, presetting) Set-up variables ABB’s IndustrialIT automation platform, technology solutions, and Manufacturing Execution System are all seamlessly integrated in the new ABB offering.Process IndustrialIT – Automation Platform SimulateIT for Cold Rolling Mills OptimizeIT for Presetting in Cold Rolling Mills ...

The Hot Rolling Process

rolling mills parameters The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semi-finished steel slabs of steel nearly to their melting point, then roll them thinner and longer throughsuccessive rolling mill stands driven by motors totaling,hp, and finally coiling up the lengthened steel sheet for transport to the next process.

Computation of Rolling Stand Parameters by Genetic …

F. Ďurovsk&#; et al. Computation of Rolling Stand Parameters by Genetic Algorithm –– setting too. This type of model is often called torque-force model. The model computes friction coefficient, steel hardening, roll force and torque according to real data measured on the mill. The main identified values are friction and steel hardening.

Maintenance for productivity Rolling models

Cold rolling mills are an important part of the production of metal sheet. In these plants, the metal is incremental... General parameters such as mill and drive limits, standard practices, adap-tion coefficients, yield stress and fric-tion values are stored locally on the

Productivity and Quality Improvement through Setting ...

The present paper aims at studying parameters which affects the quality of products in hot rolling mill and optimizing one of them. Generally, it is seen that most of the rolling mills work on the principle of experience and mutual settlements. There are no fixed, live and calculated arrangements of …

Rolling mill Rolls and Roll Shop | ispatguru.com

Rolling mill Rolls and Roll Shop . Rolls are the main and very costly consumables in a rolling mill. They are used to roll steel in the rolling mill and their performance depend on many factors which include the materials used and the loads to which they are subjected to during service.

Optimization of cold rolling process parameters in order ...

Optimization of cold rolling process parameters in order to increasing rolling speed limited by chatter vibrations. Author links open overlay panel Ali Heidari a Mohammad R. Forouzan b. Show more. ... Statistical analysis of the rolling parameters during the vibration of the five-cell cold rolling mill was conducted by Makarov et al. .

Optimization of a Cold Rolling Mill

mill. Some of the key AGC input parameters are speed and tension. (See Figure) Conservation of mass dictates that the mass per unit time entering the mill must equal the mass per unit time exiting the mill. So as the material is rolled thinner, the speeds must ... Optimization of a Cold Rolling Mill ...

Optimization of Cold Rolling Mill Parameter to Improve ...

Rolling parameter set up or rolling scheduling is an important aspect in the operation of cold rolling mills. The optimized rolling parameters lead to improved thickness, surface finish and shape performance of the products.

Effect of pass schedule and groove design on the metal ...

rolling mills parameters strongly depends on hot rolling parameters such as strain, strainrate, temperature,groovedesignandrollingsequence. It influences the metal deformation behaviour within the pass and mill load requirement apart from roll wear. The metal flow behaviour in a hot rolling process is a complex phenomenon, which is complicated due to tensorial stress

eng.sut.ac.th

eng.sut.ac.th

ROLLING MILL OPTIMIZATION USING AN ACCURATE AND …

many important rolling parameters. The associated static deflection model enables computation of the thickness profile and corresponding flatness of the rolled strip. Accurate methods of predicting the strip thickness profile and strip flatness are important in rolling mill design, rolling schedule set-up, control of mill flatness actuators, and

The parameters are: Roll diameter

The parameters are: • Roll diameter • Friction between rolls and work piece • Deformation resistance of the metal as influenced by metallurgy, temperature and strain rate Presence of roll tensions Roll Diameter: *Rolling load increases with roll diameter at a rate greater than D1/2

Cold Rolling | Primetals Technologies

The most common configuration is the single reversing mill. Various mill designs are offered that includehigh UCMs (Universal Crown Control Mill), ZR mills andhigh cold-rolling mills with small-diameter work rolls for the efficient rolling of materials of high hardness.

“Energy Efficiency Improvement in Steel Re-rolling Mill ...

“Energy Efficiency Improvement in Steel Re-rolling Mill Sector in India” ... performance parameters of re-rolling mills (Model Units) Unit Status in the beginning of the Project Target / ... options for Rolling mills.copies were made and distributed..

Transient Torsional Vibration Control in the Rolling Mills ...

Publications are known on the rolling mills dynamics [1]-[7], drive trains parameters optimization [8], torsional chatter vibration control [9], and backlashes

Plate Rolling Machine Operation Procedure and Method ...

Plate Rolling Machine Operation Procedure and Method. Table of Contents. Plate Rolling Machine for Sale; I. Preparation ... Adjust the center distance to the proper distance according to the parameters of the rollers. Steel plate: ... the width of the steel plate and the thickness of the steel plate shall be allowed within the parameters of the ...

INTERNATIONAL JOURNAL OF SCIENTIFIC & …

properties and deformation parameters such as temperature, strain and strain rate [4]. The different types of rolling mill such as rolling-forging mill, plate mill and wire rod plant are developed to produce different finished products easily and to capture the market. Engineering S.G.S.I.T.S. Indore M.P. India,

ROLLING MILL PERFORMANCE

Inpractice however the mill parameters are not always readily available and the question posed by Industrial Systems is whether these parameters can bededuced from measurements ofinstantaneous torque and acceleration at anumber of points in the system..Mathematical model The rolling mill was modelled as a system of n inertial masses coupled ...

HOT ROLLING PRACTICE – An Attempted Recollection

HOT ROLLING PRACTICE – An Attempted Recollection Saral Dutta. B. Tech. (Hons.), I.I.T. ... x The initial hot-working operation for most steel products is done on the primary roughing mill (blooming, slabbing or cogging mills). ... This is the starting point of the hot rolling mill practice.

PRODUCTIVITY AND QUALITY IMPROVEMENT THROUGH SETTING ...

Rolling is a forming operation where plastic deformation of a work piece is achieved by compressing it under application of force between two rotating rolls in the mill. The present paper aims at studying parameters which affects the quality of

ChapterSurface finish and friction in cold metal rolling

ChapterSurface finish and friction in cold metal rolling MICHAEL P.F. SUTCLIFFE Department of Engineering University of Cambridge Trumpington Street Cambridge, CBPZ U.K..INTRODUCTION The cold metal rolling industry needs reliable and accurate models to improve

Metal Working Processes: Rolling

 &#;&#;This lecture describes the fundamentals of rolling process including working principle, calculation of various rolling parameters (rolling force, power consumption, torque etc.). Clarification for ...

Effects of rolling process parameters on the mechanical ...

Effects of rolling process parameters on the mechanical properties of hot-rolled StMn steel ... This work studied the effect of rolling process parameters at different rolling strain rates, % total deformations and finish rolling temperatures on the mechanical properties of hot-rolled StMn steel. ... discovered that most mills in developing ...

A BASIC UNDERSTANDING OF THE MECHANICS OF …

papers all discuss theories, details, assumptions, possibilities and differing parameters without revealing the basic information needed for careful everyday applications. K. H. Schr&#;der: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_.DOC

Optimization of cold rolling process parameters in order ...

 &#;&#;Optimization of cold rolling process parameters in order to increasing rolling speed limited by chatter vibrations. ... Statistical analysis of the rolling parameters during the vibration of the five-cell cold rolling mill was conducted by Makarov et al. .

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