Tension Control System For Universal Mill

Tension control system for universal mill - Hitachi, Ltd.

Jan 18, 1977· A tension control system for use with a universal mill such as an H beam mill, in which a tension force in a billet, to be rolled, between roll stands is controlled so as to be maintained at zero.

tension control system for universal mill

tension control system for universal mill Engineering InstrumentsGas Absorbtion Column Bacth Enzyme Reactor Item code: 11936 Edutek instrumentation range of small scale chemical reactors comprises four units which represent the most common types of chemical reactor found in industry.

THE MECHANICS OF TENSION CONTROL - Converter …

• When tension is too low webs will shrink in the machine direction and web width will widen in the cross machine direction. This widening of the web width can cause wrinkles to occur. Where is tension control important in the process? Most converting applications include three types of tension zones – unwind, internal and rewind.

Enabling Sensing Technologies - IEEE Control Systems Society

tension of the steel bar between the stands based on HiSection eddy-current section sensors. Accurate interstand section measurement paves the way to tension control, thus avoiding the need for loopers in rolling mills. Furthermore, improved section tolerances and increased yield are attained.

Automatic Tension Control in the Continuous ... - SpringerLink

The automatic tension control system of the three-stand continuous roughing train of the 2000 hot-rolling mill at the Magnitogorsk Metallurgical Combine is analyzed. Deviations in interstand tension that are several-fold higher than the set values and inadmissible compression are detected.

US4292825A - Gauge and tension control system for tandem ...

A gauge and tension control system for a tandem mill comprises a delivered strip thickness deviation calculating unit for detecting output strip thickness at each of rolling stands, a tension calculating unit for arithmetically determining interstand tensions between two adjacent rolling stands on the basis of armature currents of drive motors and rolling loads at every rolling stand, a memory ...

X6 Duplex Slitter Rewinder - Universal Converting Equipment

This versatile machine incorporates Universal’s closed loop Total Tension Control System, ensuring consistent and repeatable roll tension profiles. Using digital AC vector drives and integrated control system, the machine offers unprecedented control whilst being simple and friendly to operate.

Waterbury Farrel Rolling Mills

tional screwdown systems. This highly responsive roll control is ideally suited for receiving and follow-ing minute signals from an automatic gauge control system. It is much more effective and accurate than the screwdown design used on most mills with their conventional screws and inherent “backlash”.

Universal System for the precise measuring/feeding and ...

Universal Tension Feeding Control Universal System for the precise measuring/feeding and yarn tension control. All BTSR products are PATENTED and utilize exclusive and original advantages by their use of high technology. THE UNIVERSAL SOLUTION FOR YARN FEEDING CONTROL

Basics of Web Tension Control Summary - TAPPI

Basics of Web Tension Control Summary Presenter: Darrell Whiteside, Sales Channel Manager – Tension Control Maxcess International This presentation is intended to take the mystery out of web tension control.

INTRODUCTION - Web Tension Control

elongates the web. Web tension control methods range from feeling and controlling tension by hand to advanced systems that automatically measure and make adjustments to the process. Q: What Requires Web Tension Control? Most processes involved in the production or converting of paper, film, plastic, foil, textile, wire, and cable require some form of tension control.

Rolling Mill Sensors - Crane Scales , Roll Force Systems ...

Rolling Mill Sensors Tension Measuring Systems. ... The data can be used to feed back to the tension control system, to identify potential equipment or bearing failures, to sound warnings and/or to shut down a system when strip breakage has occurred, to identify a few

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 meets demand of ...

Designing of Hot Strip Rolling Mill Control System

It is automatic from the speed control switch to the tension control under the switch logic control. The speed given of coiler has beenadvancing the speed of the last finishing mill before the last finishing mill …

WINDER/UNWIND TENSION CONTROL - Blackhawk Controls

tension control frequently yields (almost surprising) indirect improvements, particularly on printing, packaging and other registration type machines. Experienced operators can get the best possible performance out of a marginal tension control system, by various frequent adjustments to …

MILL CONTROL SYSTEM AND METHOD FOR CONTROL OF …

FOR CONTROL OF METAL STRIP ROLLING 8-4-2015 Marwan Simaan University of Central Florida ... Mill control system and method for metal strip rolling con­ ... K. et al., "Hot strip mill tension-looper control based on decentralization and coordination", Control Engineering Practice, 8: 337-344, 2000.

Enabling Sensing Technologies - IEEE Control Systems Society

tension of the steel bar between the stands based on HiSection eddy-current section sensors. Accurate interstand section measurement paves the way to tension control, thus avoiding the need for loopers in rolling mills. Furthermore, improved section tolerances and increased yield are attained.

How does an open-loop controller differ from a closed-loop ...

So, the basic advantage of a closed-loop (feedback) vs open-loop (non-feedback) tension control system is its higher accuracy, and ability to react immediately to process disturbances and system …

Calender Measurement Control and Gauge Systems

Total Calender Gauge Control System. The FACTS Total Calender Control system will generate rapid payback and long-term cost savings by quickly getting your calendered web on spec and reducing variations by 20 – 30%. A reduced standard deviation allows the running product targets to be automatically shifted closer to the minimum boundary without violating specification.

How to Choose the Right Control Method for VFDs | Machine ...

Download this article in .PDF format. Motors account for at least half of the energy consumed in the U.S. Selecting the right control method for an application lets the motor run most efficiently ...

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

The inter-stand tension infer ential control systems are used to stabilize the rolling motor torque. To stabilize the motor torq ue the electric drive system with the properties of th e rolling motor torque supply may also be used.

A neuro-fuzzy system for looper tension control in rolling ...

This paper revealed the advantages of using FLC for looper tension control in rolling mills. The proposed system relies on height measurements for tension indication. The objective was to address the issues related to conventional controllers (such as modeling difficulty) and to …

Rolling mill automation control system (RACS)

AIC’s rolling mill automation control system for long product mills is targeted at speed reference generation for rolling stands, rolling tension control, looper control and material continuity control, aiming for improved mill performance and yield.

Solutions for cold rolling mills Technological controls ...

The tension feed-forward control responds to entry thickness deviations and applies a suitable adjustment to the coiler torque in order to consider the interactions between roll gap and tension.

Methods of Diameter Determination 08-23-06

of the tension control system. In most drive tension control systems, the highest percentage of the torque or speed command signal (typically ~ 95%) comes directly from the measured or determined diameter value. Then the tension sensor, either dancer or loadcell, will provide only the remainder of the command to the driven spindle.

Tension Control - Maintaining constant tension with FMS ...

Tension Control: Maintaining constant tension with FMS products Winding/unwinding, slitting, coating, printing and many other production processes require constant material tension. With current drive solutions, sensor technology, bus systems and amplifiers tension control has become state of the art in converting lines, metal, paper and wire manufacturing and processing.

AN INNOVATIVE TENSION CONTROL LOOPER SYSTEM FOR …

innovative tension control looper system in a real industrlal environment, that demonstrate the improvement of looper system performance, thus reducing tension variations and strip necking effects.

A neuro-fuzzy system for looper tension control in rolling ...

A looper tension control system is common to many rolling processes. Conventional tension controllers for mill actuation systems are based on a rolling model.

Tension control system for hot strip mills - IEEE Xplore ...

Tension control system for hot strip mills Abstract: The looper control of a hot strip finishing mill is one of the most important control items in the hot strip rolling mill process. Loopers are placed between finishing mill stands and control the mass flow of the two stands.

New Rolling Method R f Reversing Cold Rolling Mill

Outline of reversing cold rolling mill and rolling method As illustrated in Figure 1, a reversing cold rolling mill is structured mainly of a mill proper, a winding machine (pay-off ree l), an entry winding machine (tension reel) and a delivery-winding machine (tension reel).

Planer Mill Upgrades | Wolftek

When the time comes to fix, repair, upgrade or replace aging systems we have a solution to accommodate varying levels of necessity and budget. Dynamic Tensioning System (DTS) The Wolftek Dynamic Tensioning System (DTS) can be installed on any make of planer mill line and will dramatically increase production and efficiencies.

X6 Duplex Slitter Rewinder - Universal Converting Equipment

This versatile machine incorporates Universal’s closed loop Total Tension Control System, ensuring consistent and repeatable roll tension profiles. Using digital AC vector drives and integrated control system, the machine offers unprecedented control whilst being simple and friendly to operate.

Value Paper Authors: SUN Xin, SUN Han-feng Speed cascade ...

speed cascade; material tracking; minimum tension control; loop control Speed cascade control is the most important part of the control system for modern profile mills. Since the distance between the stands is short and the rolling speed is fast, the control system must have high accuracy, good stability, fast speed regulation and self-adaption.

Maxcess - Webex, Fife, Tidland, Valley Roller, MAGPOWR

I brought my tension control problems to MAGPOWR and not only did they help me find a solution, they stayed around to make sure that it worked. Now, we are …

Gauge and tension control system for hot strip finishing ...

Since the conventional control system, which consists of single-input and single-output controllers, is limited in improving the control performance, a multivariable control is introduced. First, a mathematical model of the gauge and strip tension control system is derived.

Instron Universal Testing Systems - Instron

3300 and 5900 Universal Testing Systems Electromechanical testing systems are most commonly used for static testing in a tensile or compression mode within a single frame. Capacities for these systems range from low-load forces of 0.5 kN (112 lbf) up to high-capacity 600 kN (135,000 lbf) test frames.

Web Tension Control - Web Handling and Converting ...

Manufacturing High Quality Web Tension Control Products, Since 1947. High quality, performance driven products combined with industry leading web tension control knowledge and expertise to make your machines run at maximum efficiency, reducing waste …

KTC800A,Manual Tension Controller,tension control system ...

Magni Ltd is a manufacturer of china professional supplying the air expanding shaft,safety chucks, magnetic powder brakes, magnetic powder clutch,air disk brakes,tension control system and other relevant printing and packaging equipment…etc

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