Crushing & Grinding Machines

The Study of Continuous Rolling Mill Inter

The inter-stand tension inferential control systems are used to stabilize the rolling motor torque To stabilize the motor torque the electric drive system with the properties of the rolling motor...

Tension Control Systems

Web Tension Control The BXCTRL Web Tension Control is a solid state electronic control that receives a signal from dancer input sensors or two load cells customer supplied It integrates two separate Digital PID Controllers and two separate Open Loop controls nAll set-up is done via SD card or computer n When wired to dancer feedback or load...

Home BLH Nobel

Weigh Modules Load Cells Our wide range of standard load cells and force transducers Instruments Instruments for weighing and force measurement systems Custom hardware and software versions available Accessori Junction boxes power supplies summing units cables communication devices and more Force Transducers Tension Measurement...

US3940960A

An interstand tension control apparatus as claimed in claim 10 wherein said control means controls the relative rolling speed of said first and second rolling stands so that the difference computed by said fourth computing means is equal to the product of R 1 /P 1 R 2 /P 2 and T in which R 1 /P 1 is the product of the roll radius R 1 of...

LOAD CELL BASED TENSION CONTROLS TC820 964350

Ne x en Group Inc 560 Oak Grove Parkway Vadnais Heights MN 55127 800-843-7445 651-484-5900...

Market leader for web tension monitoring and control » FMS

Web Tension Monitoring and Web Tension Control Force Measuring Systems Welcome to the Market Leader for Web Tension Monitoring and Web Tension Control Force Measuring Systems RTM X42 A success story for continuous wire tension measurement and control Learn more about the RTM X42...

Voltage regulator

A voltage regulator is a system designed to automatically maintain a constant voltage A voltage regulator may use a simple feed-forward design or may include negative feedbackIt may use an electromechanical mechanism or electronic componentsDepending on the design it may be used to regulate one or more AC or DC voltag Electronic voltage regulators are found in devices such as...

Web tension measurement and control systems Erhardt Leimer

The tension sensor is a bi-directional strip to which the strain gauges are applied as a result of which an analogue measured signal proportional to the web tension is output Area of use Block load cells are used for web tension control in practically all production plants where web-type materials are processed or...

Load Cells Maxcess Americas

MAGPOWR Load Cells are extremely accurate devices used to indicate tension in all types of unwinds rewinds and intermediate web processing Each load cell is ruggedly constructed with built-in mechanical overload stops in both force directions...

Tension Controlled Load Mills

tension controlled load mills - hausbau-handwerkde THE MECHANICS OF TENSION CONTROL In this paper we propose an LTBC Low Tension and Load Balance Control scheme to improve a coiling shape control by reduction the tension fluctuation by the torque disturbance in the down coiler process of hot strip mills...

Balanced Tension

Q Define Balanced Sections Tension-Controlled Sections and Compression-Controlled or Brittle Sections_ The design provisions for both reinforced and prestressed concrete members are based on the concept of tension or compression-controlled sections ACI Code Section 103 1...

A SURVEY OF THE LOOPER

looper and tension control system tension looper roll M Fig 1 Tension and looper control in finishing mills Where ASR Automatic Speed Regulator ACR Automatic Current Regulator from mass flow unbalance For example in the case of low tension the looper angle increases to get proper tension resulting in the stable...

On the Mechanical Analysis and Control for the Tension

The proper control of the filament winding tension can enhance the quality of the winding products effective-ly The designed tension control system utilizes the closed-loop control method in this paper The tension sensor feeds back the real-time tension and the system gives the control signal after calculation to drive the executive...

Looper and tension control in hot rolling mills A survey

Jul 01 2007 0183 32 Looper and tension control shown in Fig 2 is important in hot strip mills because they affect both the dimensional quality and the mass flow of a stripThe high strip tension between stands induces width shrinkage thickness reduction and moreover can produce an edge wave on a strip...

What is Web Tension Control Systems Concepts Explained

What is Tension Control Tension control is the process of maintaining a predetermined or set amount of stress or strain on a given material between two points to maintain its desired properties such as form appearance etc and quality This process often takes place in specific control zones unwind/payout process nip and rewind/take up with each having unique tension control...

Dancer Roll Tension Control Fundamentals Concepts Explained

Dancer Roll Tension Control Basics Posted by Bryon Williams filed under Article Library Montalvo News Web Tension Control Blog Dancer tension control systems play an integral role in the process of maintaining consistent tension while transporting a web...

Applications of tension and nip load profile measurement

Applications of tension and nip load profile measurement using a novel roll mounted electret film sensor TATU PITK 196 NEN AND BOB BETTENDORF ABSTRACT An intelligent roll is a mechatronic system consisting of a roll in a web handling machine that also is used as a transducer for sensing cross-machine tension or linear load...

Control Option Winder and Tension

tension control to provide a constant pull of a web or wire through the machine in order to ensure consistent product quality The tension is typically measured by means of a roller mounted on a dancer arm or a load cell Dancers are generally used where space is not a problem and load cells in applications where the space is limited...

ABB drives in metals Medium voltage drives for improved

Rolling mills demand high precision and high overload capability metal processes where big load changes and large speed-controlled drives can cause voltage deviations and harmonics A wide tension control range can increase the product mix with full flexibility...

FUZZY TENSION CONTROL OF THE WIRE ROD ROUGHING

Keywords wire rod rolling tension control rolling torque fuzzy control 1 INTRODUCTION Interstand tension control is an important part of the process control in modern continuous wire rod mills The interstand tension is a force resulting from the increase in...

Tension Control in Conveyors

Tension Control In Underground Conveyors 11 Tension Control in Conveyors Belt tension is a critical component in conveyor design It limits the amount of load that a conveyor can carry and is important in transferring the power from the driving force into the belt via friction...

TENSION CONTROL AND WINDER

an inexpensive and accurate means of solving tension control problems You will find tension control and winder applications in all industri Constant tension winders are typically divided into two main categories centerwinds and surface winds The determining characteristic is the point of power input...

Tension Control Bolts Twist Off Bolts A325 A490

Tension Control Bolts TC Bolts or Twist Off Bolts are now the most popular choice in high-strength structural bolting and formally recognized by the AISC American Institute of Steel Construction and the RCSC Research Council on Structural Connections as an approved installation method A Tension Control Bolts consists of 1 bolt 1 nut and 1 washer pre-assembled and there for they are...

Design of LTBC Controller for Tension Control in Down

Request PDF Design of LTBC Controller for Tension Control in Down Coiler Process of Hot Strip Mills In this paper we propose an LTBC Low Tension and Load Balance Control...

60 YEARS OF ROLLING MILL TECHNOLOGY By Ford B Cauffiel

Many of these old mills are still running today as a result of upgraded electrical and hydraulic systems including hydraulic screwdowns hydraulic roll bend and tension control This book does not focus on these specific rolling mill manufacturers and their various methods of manufacturing and patentability...

Control of Strip Tension in a Rolling Mill Based on

troller for strip thickness strip tension and looper dynam-ics based on a nonlinear model The main loads of the looper are its own weight the weight of the strip and the forces due to the tension forces and the bending moment in the strip Cheng et al 2006 argue that at least for thin strips the load...

PROCESS OF ROLLING MILLS

Feb 25 2016 0183 32 Good figures for rod and bar mills are 90 to 93 for structural mills the good mill utilization figures are 75 to 78 If a mill rolls 80 of the calendar year that is 365 x 24 x 080...

Controlling web tension with load cells Part 1 of 3

Archive Controlling web tension with load cells Part 1 of 3 During manufacturing or converting processes material is generally pulled off a roll processed and rewound in sections called...

Practice Guide of Web Tension Measurement and Control

measured values are proportional to web tension if the systems are correctly dimensioned Because of possible non symmetrical load distri-bution over the rolls it is customary to measure the forces in both bearings of the idler roll The core of the web tension sensors are strain gauge transduc-ers measuring the acting forc...