rolling mill separating force sensors

rolling mill separating force sensors

Experimental evaluation of contact stress during cold rolling Hal

3 Mar 2016 rolling process with optical fiber Bragg gratings sensors measurements This need is also due to the current trend of rolling mills to combine …

BFI Article shows new design for shape roll measurement Vollmer

3 Jun 2009 Flatness measurement in cold rolling mills and strip processing lines is most According the latest design force sensors are mounted in axially parallel This avoids the installation of separate measuring systems that would nbsp …

TelePro Inc Rolling Mill Stand Controller

During the mill setup sequence preset position and roll separating force If both transducers are faulted the HGC control is placed in the Fault mode and nbsp …

Non circular grinding of backup rolls to reduce rolling force variation

Key words non circular grinding rolling mill backup roll rolling force variation 1 was carried out by using synchronous time averaging which separates the rolling metry at low speeds with contacting sensors is installed in the grinding nbsp …

Micro Rolling IBF RWTH Aachen

Typical dimension of flat rolling products lie in the macroscopic area Sensors like laser strip thickness measuring devices strip speed detectors and force gauges provide information Speed 0 300 m min 4 pressure measuring devices for the recording of the roll separating force 2 thickness Micro Rolling Mill …

Hot rolling and rolling defects nptel

1 2 Rolling force in hot rolling 1 7 Rolling mill control roll force Similarly smaller reductions requires lower roll force In order to reduce the continuously monitor the thickness of sheets rolled x ray or gamma ray sensors are used …

Shape control systems ANDRITZ Group

ANDRITZ Sundwig is an experienced rolling mill manufacturer and has built High measuring precision with active quartz force sensors Small number of nbsp …

Tyasa orders reversing cold rolling mill from Primetals Technologies

13 Sep 2016 an order to supply a new reversing cold rolling mill for its production plant in maximum roll separating force of 1 800 metric tons and rolls strips with an high resolution position transducers low friction seal and guiding rod nbsp …

On Line Flatness Measurement in the Steelmaking BioMedSearch

9 Aug 2013 first automated flatness sensor for steel rolling mills was delivered in 1967 as ABB prior ASEA claims on the fact that radial force along the rolling direction is directly Since individual sensors are separated by several …

Friction at strip roll interface in cold rolling Research Online UOW

determines the reduction of strip being rolled the rolling mill stretch and final strip coefficient in cold rolling by using embedded pin transducer method in the work The measured friction coefficient was used in the calculation of rolling force able to predict the pressure distribution in the roll gap the separating force nbsp …

Sensor systems for process optimisation in rolling mills and strip

2 Sensor systems for process optimisation in rolling mills and strip finishing lines References extract For more than 40 years Micro Epsilon has been a reliable industrial part ner in precision measurement technology for inspection monitoring and automation Systems and components from Micro Epsilon are used in …

Shape control systems ANDRITZ Group

Shape control systems supplied by ANDRITZ Sundwig are used in most rolling mill types in the steel stainless steel and nonferrous metal industries High measuring precision with active quartz force sensors Small number of electronic and transfer units thanks to parallel connection of force sensors Suitable roll design nbsp …

Siemens VAI to modernize hot strip rolling mill in Duisburg

20 Jun 2011 Siemens VAI Metals Technologies has received an order from ThyssenKrupp Steel Europe AG to completely modernize its hot strip rolling mill no Apart from that the roll separating force of the intermediate stand will be increased and it will be equipped with long stroke cylinders for hydraulic automatic nbsp …

Patent US3248916 Workpiece shape control with a rolling mill

WORKPIECE SHAPE CONTROL WITH Av ROLLING MILL Filed April 29 1963 5 One of these limits is the roll separating force between the work rolls FIG l0 illustrates the provision of the necessary workpiece thickness sensing devices to nbsp …

Research and Application of Thickness Control Bentham Open

23 Dec 2014 Keywords Automatic gauge control Steel plate mill Thickness control Roll thermal expansion Mill modulus control 1 Schematic Diagram of a Plate Mill Gap Position Control Rolling Mill Oil Film Comp Work Roll Bending Strip Force X ray Thickness Deviation Force gap position transducers …

Millmate Roll Force Measurement PFVL 141 User Manual

3 Mar 2010 The Millmate® Roll Force Measurement System is designed for measuring the separation force applied in a rolling mill of a Pressductor transducer is proportional to the load cycle Signal Force Fnom Figure 9 Hysteresis User Manual PFVL 2 Technical Description 3BSE025344R0101 EN Rev 13 nbsp …

Semi continuous laboratory mill

is a modified rolling mill with geometric similarity 1 15 to the four high heavy plates rolling mill all four driving spindles forces on all four adjusting screws shearing sensors 250 kN position of measuring of the roll separating force …

ROLL FORCE MEASUREMENT AND CONTROL SySTEM Simex

Although similar in operating principal to a load cell an extensometer is calibrated in strain or stretch instead of load Actually while maximum roll force can vary considerably from mill to mill post strain remains within a range of 33 to 130 microinches per inch Vishay extensometers are designed for optimum performance …

Experimental and Theoretical Study on Minimum Achievable Foil

9 Sep 2014 They found that the magnitude of the total roll separating force can be reduced by up In the experiments a four high experimental asymmetric roll mill was employed The rolling force can be obtained by pressure sensors …

Hot Rolling Mill Hydraulic Gap Control HGC thickness control

Keywords Hot rolling mill AGC Automatic Gauge Control HGC Hydraulic Gap Control The mill stretch force can be measured by load cells or calculated from the measured HGC pressure and can be used to calculate the mill stretch The mill modulus In this type of bearing an oil film separates the chock from the roll nbsp …

Sensor systems for process optimisation in rolling mills and strip

in rolling mills and strip finishing lines cover rolled metal products right through to final product Micro Epsilon The sensor also provides a reliable speed signal COspeed can also provide a separate winding Due to the enormous tensile forces when rolling the sheet there is a risk that the tensile distribution will …

Descaling of steel in hot rolling mills ifm

Descalers ensure a high surface quality in hot rolling mills ifm sensors monitor the temperature and pressure in the lubrication system of the high pressure nbsp …

Research and Application of Thickness Control Bentham Open

23 Dec 2014 Because roll force is one indicator of mill stretch it is neces sary to know how to correction to roll gap position with the roll separating force equal to zeroing be measured by the stand force sensors even though the posi …

Tracking critical vibrations in rolling mills iba AG

In a cold rolling mill the ibaPDA process data recording system has been The aim of the monitoring is to detect vibrations resulting from separate Devices of the ibaPADU series sample the values of the vibration sensors The system records time synchronously data from the plant like speed rolling force torque etc …

A comparison of friction coefficients in cold rolling ScienceDirect

1 Aug 1998 These are defined as Fn the normal force which does the actual deformation of the strip and is directly related to the roll separating force RSF Ff the friction force in the rolling direction and a direct result A rolling mill presents an excellent opportunity to verify if a friction force sensor is working properly …

MATHEMATICAL AND PHYSICAL MODELING OF FLAT ROLLING

24 Sep 2009 final thickness ◦ Hot Warm and Cold rolling ◦ Work and Back up rolls ◦ Finishing and Roughening mills ◦ Roll separating forces and roll nbsp …

Methods and devices used to measure friction in rolling

Designing sensors to measure frictional stress in metal working has been pursued by many researchers mounted radially in the work roll of a rolling mill which pressed down namely the torque and roll separating force can be measured nbsp …

Deformation Processing Rolling

Calculate roll separation force rolling force and torque rolling mill Width of plate w is Friction plays a critical role in enabling rolling → cannot roll without nbsp …

Rolling of metals Suranaree University of Technology

Rolling of metals Introduction objectives Rolling mills Classification of rolling processes Hot rolling Cold rolling Forces and geometry relationships in by using two opposing sensors with laser spots aimed at opposite sides of a target The sensor readings are subtracted from the sensor separation distance to nbsp …

ROLL FORCE MEASUREMENT AND CONTROL SySTEM Simex

Vishay roll force systems have a unique design that Rolling mill separation forces are measured accurately and conveniently with the Vishay Nobel RFS 3 nbsp …

Flatness control of strip in continuous hot rolling processes

indirect measurement method to use a separated roll and the direct from sensor to a hot strip is converted to flatness The hot rolling mill in POSCO 2 Flatness sensing bending force the centrifugal force and the inertia force as well as nbsp …

rolling mill optimization using an accurate and rapid OhioLINK ETD

18 May 2007 dynamic characteristics of rolling mill deflection and it applies equally to both cluster 3 10 Force Distribution Common Generator Displacement and dimensional elastic plastic problem the majority of studies have separated the two areas automatically from an on line flatness sensing device …

Roll Force Measurement and Control System Product BLH Nobel

continuous monitoring and display of roll separating force temperature induced drift during the period that the mill is empty blhnobel usa vpgsensors com …

Rolling of metals

Cold rolling Forces and geometry relationships in rolling Typical arrangement of rollers for rolling mills separate them while they are restrained at their ends Automatic control in rolling such as the development of online sensors …

Roll Force Measurement and Control System Product BLH Nobel

The RFS 4 is a dedicated roll force measurement system specifically designed for use on both new and existing rolling mills The RFS 4 System provides the mill operator continuous monitoring and display of roll separating force and differential forces balance The system eliminates temperature induced drift during the nbsp …

Patent US3248916 Workpiece shape control with a rolling mill

FIG 8 is a curve of roll separation force in terms of workpiece delivery thickness to illustrate the drafting constraint limits to control the operation of a rolling mill in FIG l0 illustrates the provision of the necessary workpiece thickness sensing devices to monitor the desired workpiece shape delivered from a rolling mill …

a friction sensor for a sheet metal forming simulator Bibliothèque et

From data collected from the Capstan test the average pressure friction stress and coefficient of loads in a rolling mill Two pins were the mode1 previously developed by Lenard for calculating roll separating force and torque values for nbsp …

Hot rolling and rolling defects nptel

Hot rolling and rolling defects 1 1 Front and back tensions We have seen that the rolling load is dependent on roll diameter higher the roll dia higher the roll force Similarly smaller reductions requires lower roll force In order to reduce the roll force we can reduce roll diameter or reducing the friction Another method of nbsp …

Friction at strip roll interface in cold rolling Research Online UOW

15 Aug 2002 influence the rolling force and other rolling process parameters The rolling force determines the reduction of strip being rolled the rolling mill stretch and coefficient in cold rolling by using embedded pin transducer method in the work roll Empirical formulae of friction coefficient and rolling force were …

 

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