EP1086758A2 - Method and device for rolling or coiling strips - Google Patents

Method and device for rolling or coiling strips Download PDF

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Publication number
EP1086758A2
EP1086758A2 EP00117879A EP00117879A EP1086758A2 EP 1086758 A2 EP1086758 A2 EP 1086758A2 EP 00117879 A EP00117879 A EP 00117879A EP 00117879 A EP00117879 A EP 00117879A EP 1086758 A2 EP1086758 A2 EP 1086758A2
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EP
European Patent Office
Prior art keywords
band
rolling
rollers
measuring roller
tension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00117879A
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German (de)
French (fr)
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EP1086758A3 (en
EP1086758B1 (en
Inventor
Gert Mücke
Frank Gorgels
Eberhard Neuschütz
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BFI VDEH Institut fuer Angewandte Forschung GmbH
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BFI VDEH Institut fuer Angewandte Forschung GmbH
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Publication of EP1086758A2 publication Critical patent/EP1086758A2/en
Publication of EP1086758A3 publication Critical patent/EP1086758A3/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/48Tension control; Compression control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B38/00Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/06Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring tension or compression
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34Feeding or guiding devices not specially adapted to a particular type of apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/3408Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material
    • B21C47/3416Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the lateral position of the material with lateral edge contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/34Feeding or guiding devices not specially adapted to a particular type of apparatus
    • B21C47/345Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the tension or advance of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C51/00Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0057Coiling the rolled product
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/68Camber or steering control for strip, sheets or plates, e.g. preventing meandering

Definitions

  • the invention relates to a method for rolling or winding tape with unequal thickness across the bandwidth at which the tension is measured using a measuring roller across the range in one of rolls, reels, control, guide or Deflection rollers limited length section of the belt is measured and takes advantage of German patent application 199 45 202.4, to which reference is made in terms of content.
  • the stabilizing rollers should depend on the distribution of tensile stresses over the Width of the band can be adjusted. For this purpose the tension distribution measured. Therefore, the stabilizing rollers in the known device stored on pedestals on which force measuring sensors for Determine the existing asymmetry in the tensile force are arranged.
  • the invention has for its object a method and / or a device to create, with which it is possible to obtain more precise measured values.
  • This problem is solved according to the invention in that distortions when the belt runs, interference voltages caused in the belt by means of a The partitioning device must be kept away from the measuring roller.
  • Such Partitioning device ensures that only those tensile stresses in the area of the measuring roller occur in the band resulting from the different length of the band across its width.
  • the interference voltages mentioned above can be in the case of tape with uneven thickness, do not avoid it, but with the partitioning device keep away from the place of the tape where the measuring roller Tension distribution in the tape measures.
  • the invention also relates to a device for rolling or Winding tape of uneven thickness across the bandwidth using a measuring roll for measuring the tensions in a length section of the belt delimited by rollers, reels, control, guide or deflection rollers.
  • This device is characterized according to the invention in that between the measuring roller and an aggregate causing interference voltages in the belt (Roller, reel, steering, guide or deflection roller) a partitioning device is arranged to receive the interference voltages.
  • the isolation device is arranged between the measuring roller and that point from which the interference voltages going out.
  • a use a second partitioning device if from a second side Interference voltages can act towards the measuring roller.
  • the measuring roller when using the bulkhead systems actually only those voltages over the bandwidth corresponding to the length distribution of the tape and from which correct values for controlling, regulating and measuring can be derived.
  • the partitioning device has one, preferably several rollers, over a non-slip surface and a sufficiently large wrap angle a close contact with stick to the tape. This close contact with the belt creates an alignment effect in the belt, because the interference voltages from the belt to the rollers and their storage transferred and derived.
  • rollers of the partitioning device are adjustable, however, are stored in a fixed position during operation.
  • the adjustability of the Rolling allows a perfect setting, especially for Ensuring the largest possible wrap angle and thus one sufficient scrapping effect.
  • a solid, stationary storage of the rollers ensures reliable discharge of interference voltages during operation.
  • Two rolls 1 and 2 form a roll gap 3 between them through which one Band 4 passed through, rolled and thereby reduced in thickness.
  • a reel 5 is arranged on the Band 4 is wrapped.
  • a measuring roller 6 supports the belt 4 from below. Not The sensors shown in the measuring roller measure the forces that occur there provide a measure of the tensions in volume 4.
  • the band 4 Since the band 4 has a wedge-shaped cross section, it is on the reel wound tightly across its width, so that the thicker band point sets a higher band tension. This leads to the band 4 between the reel 5 and the measuring roller 6 is deflected to the side. This is in Fig. 2 for the purpose of a clearer representation of the consequences of the deflection reproduced somewhat exaggerated.
  • the asymmetrical band tension leads to the fact that the tape is bent and no longer with its side edges hits the reel 5 perpendicularly, that is, no longer at an angle of 90 ° to the axis of rotation 7 of the reel 5. This moves when winding of the band 4 with a wedge-shaped cross section, the contact points of the Band on the reel 5, and there is an asymmetrical collar geometry.
  • Fig. 2 the run-up points of the band 4 are marked with arrows 8.
  • the length of the band is between Measuring roller 6 and reel 5 a completely uneven tension state, at which is the tension from the changing band length and the interference voltages superimposed by the asymmetrical voltage introduction on Reel and caused by distortion of the extending band 4.
  • the Measuring roller 6 and its sensors can not between the two types of voltage differentiate. As a result, the measurement values obtained in this way are unusable.
  • FIG. 3 also shows a device for rolling a strip 4, that is wound up by a reel 5. It is immaterial if the there existing measuring roller 6 is arranged above the belt 4. she works on the same principle as the measuring roller 6 in FIGS. 1, 2. What is decisive however, that in Fig. 3 between the measuring roller 6 and the reel 5, a partitioning device 9 is arranged. This consists of a roll 10 with a sufficient non-slip surface. The roller 10 should also be arranged so that there is a sufficiently large wrap angle and thus the band 4 has extensive contact with the roller 10. Roll 10 could be around this to achieve, also be adjustable. Their position remains during operation however, stationary and stable in order to absorb and dissipate the interference voltages, which act from the reel 5 against the running direction of the band 4 in the band.
  • Fig. 4 differs from Fig. 3 mainly in that there is a Isolation device 9 is shown, which has two rollers 10. In this way can be an even larger wrap angle overall and thus an even achieve more reliable isolation of interference voltages. Partitioning devices with more than two rolls 10 are quite possible and in some cases also sensible and necessary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

Process for rolling or winding a metal strip having a non-uniform thickness comprises measuring the tension in a longitudinal section of the strip limited by rolling, spooling, control rolls, guide rolls or deviating rolls and controlling interferences caused by the unsymmetrical tension and deformation using a ballast device from the measuring roll. An Independent claim is also included for a device for rolling or winding a metal strip. Preferred Features: The ballast device has at least one roll which can be adjusted.

Description

Die Erfindung betrifft ein Verfahren zum Walzen oder Wickeln von Band mit ungleicher Dicke über die Bandbreite, bei dem mittels einer Meßrolle die Spannung über der Bandbreite in einem von Walzen, Haspeln, Steuer-, Führungs- oder Umlenkrollen begrenzten Längenabschnitt des Bandes gemessen wird und nimmt die Priorität der deutschen Patentanmeldung 199 45 202.4 in Anspruch, auf die inhaltlich Bezug genommen wird.The invention relates to a method for rolling or winding tape with unequal thickness across the bandwidth at which the tension is measured using a measuring roller across the range in one of rolls, reels, control, guide or Deflection rollers limited length section of the belt is measured and takes advantage of German patent application 199 45 202.4, to which reference is made in terms of content.

Beim Warmwalzen von metallischem Band, insbesondere in Walzstraßen für Breitband, entsteht über die Bandbreite und die Bandlänge ein ungleichmäßiges Dickenprofil. In aller Regel besitzt ein solches Breitband an seinen Seitenrändern eine geringere Dicke als in seiner Mitte. Derartiges Breitband wird häufig in Längsrichtung zu schmaleren Bändern unterteilt. Diese längsgeteilten Bänder (Spaltbänder) besitzen dann zumindest teilweise einen keilförmigen Querschnitt, bei dem ein Randbereich dicker als der andere, gegenüberliegende Randbereich ist. Ein solcher keilförmiger Querschnitt führt bei der weiteren Bearbeitung des Spaltbandes zu Schwierigkeiten. Dies gilt immer dann, wenn das Spaltband gewalzt, auf Haspeln aufgewickelt oder über Rollen, wie beispielsweise Umlenkrollen, geführt wird.When hot rolling metallic strip, especially in rolling mills for Broadband, an uneven spread arises over the bandwidth and the band length Thickness profile. As a rule, such broadband has on its side edges a smaller thickness than in the middle. Such broadband is often used Longitudinal divided into narrower bands. These slit bands (Split strips) then at least partially have a wedge-shaped cross section, in which one edge area is thicker than the other, opposite edge area is. Such a wedge-shaped cross section leads to the further processing of the Split band to difficulties. This always applies when the slit band rolled, wound on reels or on rolls, such as Deflection rollers, is guided.

Soll zum Beispiel ein solches Band durch Walzen in seiner Dicke reduziert werden, dann verläuft es in dem von den bearbeitenden Walzen gebildeten Walzspalt und auf dem Haspel seitlich, weil sich beim Aufwickeln des Bandes mit keilförmigem Querschnitt ein unterschiedlicher Wickeldurchmesser über der Bandbreite einstellt, der dann als Folge eine unsymmetrische Längsspannungsverteilung über der Bandbreite erzeugt. Mit Stabilisierungsrollen, die vor und hinter dem Walzspalt angeordnet sind, wird eine Vergleichmäßigung der Spannungen im Band, eine Stabilisierung des Walzprozesses und eine Verringerung des Bandverlaufes erreicht. Die deutsche Offenlegungsschrift 195 24 729 beschreibt ein solches Verfahren und eine entsprechende Vorrichtung. Danach lassen sich Führungsrollen der Vorrichtung in einer im wesentlichen senkrechten Ebene neigen, um so das Band aus seiner horizontalen Lage heraus um ein begrenztes Maß zu kippen und auf diese Weise die Bandspannungen zu vergleichmäßigen und dessen seitlichem Verlaufen im Walzspalt entgegenzuwirken. Auch ein Verschwenken der Führungsrollen in der horizontalen Ebene zum selben Zweck ist in der Offenlegungsschrift beschrieben. Die Stabilisierungsrollen sollen dabei in Abhängigkeit von der Verteilung der Zugspannungen über die Breite des Bandes verstellt werden. Zu diesem Zweck wird die Zugspannungsverteilung gemessen. Deshalb sind bei der bekannten Vorrichtung die Stabilisierungsrollen auf Lagerböcken gelagert, an denen Kraftmeßsensoren zum Ermitteln der im Band vorliegenden Zugkraftasymmetrie angeordnet sind.For example, should such a strip be reduced in thickness by rolling then it runs in that formed by the machining rolls Roll gap and on the side of the reel, because with the winding of the strip wedge-shaped cross-section a different winding diameter over the Bandwidth, which then results in an asymmetrical longitudinal stress distribution generated over the bandwidth. With stabilizing rollers in front and are arranged behind the roll gap, an equalization of the tensions in the strip, a stabilization of the rolling process and a reduction of the band course reached. The German patent application 195 24 729 describes such a method and a corresponding device. After that can guide rollers of the device in a substantially vertical Tilt so the tape moves out of its horizontal position to tilt a limited amount and in this way to even out the belt tension and to counteract its lateral running in the roll gap. A pivoting of the guide rollers in the horizontal plane to the same The purpose is described in the published patent application. The stabilizing rollers should depend on the distribution of tensile stresses over the Width of the band can be adjusted. For this purpose the tension distribution measured. Therefore, the stabilizing rollers in the known device stored on pedestals on which force measuring sensors for Determine the existing asymmetry in the tensile force are arranged.

Mit dem bekannten Verfahren kann jedoch nicht verhindert werden, daß das Messen der Zugspannungsverteilung im Band weiterhin mit großen Fehlern behaftet ist. Welche Zugspannungsverteilung während des Walzens tatsächlich vorliegt, hängt von der jeweiligen Prozeßsituation ab. Die Zugspannung setzt sich an der Meßstelle nämlich aus verschiedenen Spannungen zusammen. Das sind zunächst jene Zugspannungen, die sich aus der unterschiedlichen Längenverteilung des Bandes über dessen Breite ergeben. Dieses sind die eigentlich zu messenden Spannungen. Außerdem treten aber noch Störspannungen auf, die erst deshalb entstehen, weil das wegen seines keilförmigen Querschnittes seitlich verlaufende Band nicht mehr senkrecht zu der Drehachse auf ein nachgeordnetes Aggregat (Walze, Haspel, Steuer-, Führungs- oder Umlenkrollen) aufläuft.With the known method, however, can not be prevented that the Measuring the tension distribution in the belt continues with large errors is afflicted. What is the tension distribution during rolling? depends on the respective process situation. The tension sets namely at the measuring point from different voltages. The are the tensile stresses that result from the different length distribution of the tape across its width. These are actually too measuring voltages. But there are also interference voltages that only arise because that because of its wedge-shaped cross-section laterally running belt no longer perpendicular to the axis of rotation on a subordinate Unit (roller, reel, steering, guide or deflection rollers) runs up.

Wird ein solches Band - wie beispielsweise beim Walzen hinter dem Walzspalt - so auf einen Haspel gewickelt, verschieben sich die Auflaufpunkte des Bandes auf dem Haspel, und es entsteht eine unsymmetrische Bundgeometrie. Solange diese Situation anhält, stellt sich in dem Längenabschnitt des Bandes zwischen Walzspalt und Haspel ein Spannungszustand ein, bei dem die höchste Spannung an den einander diagonal gegenüberliegenden Ecken auftritt, während die Spannungen an den anderen Stellen deutlich geringer sind. Es entstehen Diagonalfalten im Band, weshalb dieser Zustand auch als

Figure 00030001
Handtucheffekt" bezeichnet wird. Dieser Effekt führt bei dem bekannten Verfahren und der dortigen Messung der Zugspannungsverteilung über der Bandbreite zur Verfälschung der Meßwerte, weil jene Zugspannungen, die sich aus der unterschiedlichen Länge des Bandes über dessen Breite ergeben, von den Zugspannungen aus dem Handtucheffekt überlagert werden. Folglich lassen sich diese Meßwerte nicht zum exakten Messen und somit auch nicht zum genauen Steuern und Regeln der Bandplanheit verwenden, da es nicht möglich ist, zwischen den tatsächlichen, der Längenverteilung entsprechenden Zugspannungen und den Störspannungen zu unterscheiden.If such a strip is wound on a reel - as is the case, for example, when rolling behind the roll gap - the run-up points of the strip shift on the reel and an asymmetrical collar geometry is created. As long as this situation persists, a tension state occurs in the longitudinal section of the strip between the roll gap and the reel, in which the highest tension occurs at the diagonally opposite corners, while the tension at the other points is significantly lower. There are diagonal folds in the tape, which is why this condition also as
Figure 00030001
Towel effect ". In the known method and the measurement of the tensile stress distribution over the bandwidth there, this effect leads to falsification of the measured values, because those tensile stresses which result from the different length of the strip over its width are superimposed on the tensile stresses from the towel effect Consequently, these measured values cannot be used for exact measurement and therefore also not for precise control and regulation of the flatness of the strip, since it is not possible to distinguish between the actual tensile stresses corresponding to the length distribution and the interference stresses.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und/oder eine Vorrichtung zu schaffen, womit es möglich ist, genauere Meßwerte zu erhalten.The invention has for its object a method and / or a device to create, with which it is possible to obtain more precise measured values.

Dieses Problem wird erfindungsgemäß dadurch gelöst, daß durch Verzerrungen beim Verlaufen des Bandes verursachte Störspannungen im Band mittels einer Abschottvorrichtung von der Meßrolle ferngehalten werden. Eine solche Abschottvorrichtung sorgt dafür, daß im Bereich der Meßrolle nur jene Zugspannungen im Band auftreten, die sich aus der unterschiedlichen Länge des Bandes über dessen Breite ergeben. Die obenerwähnten Störspannungen lassen sich bei Band mit ungleichmäßiger Dicke zwar nicht vermeiden, aber mit der Abschottvorrichtung von der Stelle des Bandes fernhalten, wo die Meßrolle die Zugspannungsverteilung im Band mißt.This problem is solved according to the invention in that distortions when the belt runs, interference voltages caused in the belt by means of a The partitioning device must be kept away from the measuring roller. Such Partitioning device ensures that only those tensile stresses in the area of the measuring roller occur in the band resulting from the different length of the band across its width. The interference voltages mentioned above can be in the case of tape with uneven thickness, do not avoid it, but with the partitioning device keep away from the place of the tape where the measuring roller Tension distribution in the tape measures.

Gegenstand der Erfindung ist außerdem eine Vorrichtung zum Walzen oder Wickeln von Band mit ungleicher Dicke über die Bandbreite, die eine Meßrolle zum Messen der Spannungen in einem von Walzen, Haspeln, Steuer-, Führungs- oder Umlenkrollen begrenzten Längenabschnitt des Bandes besitzt. Diese Vorrichtung kennzeichnet sich erfindungsgemäß dadurch, daß zwischen der Meßrolle und einem Störspannungen im Band verursachenden Aggregat (Walze, Haspel, Steuer-, Führungs- oder Umlenkrolle) eine Abschottvorrichtung zur Aufnahme der Störspannungen angeordnet ist. Die Abschottvorrichtung ist dabei zwischen der Meßrolle und jener Stelle angeordnet, von der die Störspannungen ausgehen. Je nach Art der Vorrichtung kann es erforderlich sein, eine zweite Abschottvorrichtung einzusetzen, wenn von einer zweiten Seite her Störspannungen zur Meßrolle hin wirksam werden können. In jedem Fall ermittelt die Meßrolle bei Einsatz der Abschottsysteme tatsächlich nur jene Spannungen über der Bandbreite, die der Längenverteilung des Bandes entsprechen und aus denen sich korrekte Werte zum Steuern, Regeln und Messen ableiten lassen.The invention also relates to a device for rolling or Winding tape of uneven thickness across the bandwidth using a measuring roll for measuring the tensions in a length section of the belt delimited by rollers, reels, control, guide or deflection rollers. This device is characterized according to the invention in that between the measuring roller and an aggregate causing interference voltages in the belt (Roller, reel, steering, guide or deflection roller) a partitioning device is arranged to receive the interference voltages. The isolation device is arranged between the measuring roller and that point from which the interference voltages going out. Depending on the type of device, a use a second partitioning device if from a second side Interference voltages can act towards the measuring roller. In any case determined the measuring roller when using the bulkhead systems actually only those voltages over the bandwidth corresponding to the length distribution of the tape and from which correct values for controlling, regulating and measuring can be derived.

Bei einer bevorzugten Ausführungsform der Erfindung besitzt die Abschottvorrichtung eine, vorzugsweise mehrere Rollen, die über eine griffige Oberfläche und einen hinreichend großen Umschlingungswinkel einen engen Kontakt mit dem Band halten. Dieser enge Kontakt mit dem Band bewirkt einen Ausrichteffekt im Band, da die Störspannungen vom Band auf die Rollen und ihre Lagerung übertragen und abgeleitet werden.In a preferred embodiment of the invention, the partitioning device has one, preferably several rollers, over a non-slip surface and a sufficiently large wrap angle a close contact with stick to the tape. This close contact with the belt creates an alignment effect in the belt, because the interference voltages from the belt to the rollers and their storage transferred and derived.

Vorteilhaft ist es, wenn die Rollen der Abschottvorrichtung zwar verstellbar, jedoch während des Betriebes ortsfest gelagert sind. Die Verstellbarkeit der Rollen ermöglicht ein einwandfreies Einstellen derselben, insbesondere zur Gewährleistung eines möglichst großen Umschlingungswinkels und damit einer ausreichenden Abschottwirkung. Eine solide ortsfeste Lagerung der Rollen während des Betriebes gewährleistet ein zuverlässiges Ableiten der Störspannungen.It is advantageous if the rollers of the partitioning device are adjustable, however, are stored in a fixed position during operation. The adjustability of the Rolling allows a perfect setting, especially for Ensuring the largest possible wrap angle and thus one sufficient scrapping effect. A solid, stationary storage of the rollers ensures reliable discharge of interference voltages during operation.

Die Erfindung wird im folgenden anhand von in der Zeichnung dargestellten Ausführungsbeispielen des näheren erläutert. Es zeigen:

Fig. 1:
eine bekannte Vorrichtung zum Walzen von Band in schematischer Darstellung in einer Seitenansicht;
Fig. 2:
die Vorrichtung nach Fig. 1 in größerem Maßstab in der Draufsicht;
Fig. 3:
eine erfindungsgemäße Vorrichtung mit einer einrolligen Abschottung und
Fig. 4:
eine erfindungsgemäße Vorrichtung mit einer doppelrolligen Abschottung.
The invention is explained below with reference to exemplary embodiments shown in the drawing. Show it:
Fig. 1 :
a known device for rolling strip in a schematic representation in a side view;
Fig. 2 :
the device of Figure 1 on a larger scale in plan view.
Fig. 3 :
a device according to the invention with a single-roller partition and
Fig. 4 :
a device according to the invention with a double-roll partition.

Zwei Walzen 1 und 2 bilden zwischen sich einen Walzspalt 3, durch den ein Band 4 hindurchgeführt, gewalzt und dabei in seiner Dicke reduziert wird. Mit einigem Abstand von den Walzen 1, 2 ist ein Haspel 5 angeordnet, auf den das Band 4 gewickelt wird. Eine Meßrolle 6 stützt das Band 4 von unten ab. Nicht dargestellte Sensoren in der Meßrolle messen die dort auftretenden Kräfte, die ein Maß für die im Band 4 herrschenden Spannungen abgeben.Two rolls 1 and 2 form a roll gap 3 between them through which one Band 4 passed through, rolled and thereby reduced in thickness. With some distance from the rollers 1, 2, a reel 5 is arranged on the Band 4 is wrapped. A measuring roller 6 supports the belt 4 from below. Not The sensors shown in the measuring roller measure the forces that occur there provide a measure of the tensions in volume 4.

Da das Band 4 einen keilförmigen Querschnitt besitzt, wird es auf dem Haspel über seiner Breite unterschiedlich stramm aufgewickelt, so daß sich an der dickeren Bandstelle eine höhere Bandspannung einstellt. Dies führt dazu, daß das Band 4 zwischen Haspel 5 und Meßrolle 6 zur Seite ausgelenkt wird. Dies ist in Fig. 2 zum Zwecke einer deutlicheren Darstellung der Folgen der Auslenkung etwas übertrieben wiedergegeben. Die unsymmetrische Bandspannung führt dazu, daß das Band gebogen wird und mit seinen Seitenkanten nicht mehr senkrecht auf den Haspel 5 trifft, das heißt, nicht mehr unter einem Winkel von 90° zur Drehachse 7 des Haspels 5. Dadurch verschieben sich beim Aufwickeln des mit keilförmigem Querschnitt behafteten Bandes 4 die Auflaufpunkte des Bandes auf dem Haspel 5, und es entsteht eine unsymmetrische Bundgeometrie. In Fig. 2 sind die Auflaufpunkte des Bandes 4 mit Pfeilen 8 gekennzeichnet. In dieser Situation stellt sich in dem Längenabschnitt des Bandes zwischen Meßrolle 6 und Haspel 5 ein völlig ungleichmäßiger Spannungszustand ein, bei dem sich die Spannungen aus der wechselnden Bandlänge und die Störspannungen überlagern, die durch die unsymmetrische Spannungseinleitung am Haspel und durch Verzerrungen des verlaufenden Bandes 4 entstehen. Die Meßrolle 6 und ihre Sensoren können nicht zwischen den beiden Spannungsarten unterscheiden. Folglich sind die so gewonnenen Meßwerte unbrauchbar.Since the band 4 has a wedge-shaped cross section, it is on the reel wound tightly across its width, so that the thicker band point sets a higher band tension. This leads to the band 4 between the reel 5 and the measuring roller 6 is deflected to the side. This is in Fig. 2 for the purpose of a clearer representation of the consequences of the deflection reproduced somewhat exaggerated. The asymmetrical band tension leads to the fact that the tape is bent and no longer with its side edges hits the reel 5 perpendicularly, that is, no longer at an angle of 90 ° to the axis of rotation 7 of the reel 5. This moves when winding of the band 4 with a wedge-shaped cross section, the contact points of the Band on the reel 5, and there is an asymmetrical collar geometry. In Fig. 2 the run-up points of the band 4 are marked with arrows 8. In this situation, the length of the band is between Measuring roller 6 and reel 5 a completely uneven tension state, at which is the tension from the changing band length and the interference voltages superimposed by the asymmetrical voltage introduction on Reel and caused by distortion of the extending band 4. The Measuring roller 6 and its sensors can not between the two types of voltage differentiate. As a result, the measurement values obtained in this way are unusable.

In Fig. 3 ist ebenfalls eine Vorrichtung zum Walzen eines Bandes 4 dargestellt, das von einem Haspel 5 aufgewickelt wird. Dabei ist es unwesentlich, wenn die dort vorhandene Meßrolle 6 oberhalb des Bandes 4 angeordnet ist. Sie arbeitet nach demselben Prinzip wie die Meßrolle 6 in den Fig. 1, 2. Entscheidend ist jedoch, daß in Fig. 3 zwischen der Meßrolle 6 und dem Haspel 5 eine Abschottvorrichtung 9 angeordnet ist. Diese besteht aus einer Rolle 10 mit einer ausreichend griffigen Oberfläche. Die Rolle 10 sollte auch so angeordnet sein, daß sich ein ausreichend großer Umschlingungswinkel ergibt und damit das Band 4 einen großflächigen Kontakt mit der Rolle 10 hat. Die Rolle 10, könnte um dies zu erreichen, auch verstellbar sein. Während des Betriebes bleibt ihre Lage jedoch ortsfest und stabil, um die Störspannungen aufzunehmen und abzuleiten, die vom Haspel 5 her entgegen der Laufrichtung des Bandes 4 im Band wirken.3 also shows a device for rolling a strip 4, that is wound up by a reel 5. It is immaterial if the there existing measuring roller 6 is arranged above the belt 4. she works on the same principle as the measuring roller 6 in FIGS. 1, 2. What is decisive however, that in Fig. 3 between the measuring roller 6 and the reel 5, a partitioning device 9 is arranged. This consists of a roll 10 with a sufficient non-slip surface. The roller 10 should also be arranged so that there is a sufficiently large wrap angle and thus the band 4 has extensive contact with the roller 10. Roll 10 could be around this to achieve, also be adjustable. Their position remains during operation however, stationary and stable in order to absorb and dissipate the interference voltages, which act from the reel 5 against the running direction of the band 4 in the band.

Oberhalb der Vorrichtung ist in Fig. 3 noch eine Draufsicht auf das Band 4 dargestellt, in der die auftretenden Kräfte als Pfeile dargestellt sind. Ganz links erkennt man die ungleichen Kräfte unmittelbar beim Auflaufen des Bandes 4 auf den Haspel 5 an der mit 11 gekennzeichneten Stelle. Im mittleren Bereich sind die Kräfte dargestellt, die an der Stelle 12 im Band 4 wirken. Ganz rechts ist dargestellt, daß im Bereich der Meßrolle 6, beispielsweise an der Stelle 13, nur die Kräfte auftreten, die sich aus der Längenverteilung des Bandes über der Breite ergeben, weil die vom Haspel 5 her kommenden Störspannungen die Abschottvorrichtung 9 nicht passieren, da sie abgeleitet werden.3 shows a top view of the band 4, in which the forces are shown as arrows. Far left one recognizes the unequal forces immediately when the tape 4 runs up the reel 5 at the point marked 11. In the middle range the forces shown that act at point 12 in volume 4. On the far right is shown that in the area of the measuring roller 6, for example at point 13, only the Forces arise from the length distribution of the tape across the width result because the interference voltages coming from the reel 5 the partitioning device 9 do not happen because they are derived.

Die Fig. 4 unterscheidet sich von der Fig. 3 vor allem dadurch, daß dort eine Abschottvorrichtung 9 dargestellt ist, die zwei Rollen 10 besitzt. Auf diese Weise läßt sich ein noch größerer Umschlingungswinkel insgesamt und damit ein noch zuverlässigeres Abschotten der Störspannungen erreichen. Abschottvorrichtungen mit mehr als zwei Rollen 10 sind durchaus möglich und in manchen Fällen auch sinnvoll und notwendig.Fig. 4 differs from Fig. 3 mainly in that there is a Isolation device 9 is shown, which has two rollers 10. In this way can be an even larger wrap angle overall and thus an even achieve more reliable isolation of interference voltages. Partitioning devices with more than two rolls 10 are quite possible and in some cases also sensible and necessary.

Claims (5)

Verfahren zum Walzen oder Wickeln von Band mit ungleicher Dicke über die Bandbreite, bei dem mittels einer Meßrolle die Spannung in einem von Walzen, Haspeln, Steuer-, Führungs- oder Umlenkrollen begrenzten Längenabschnitt des Bandes gemessen wird, dadurch gekennzeichnet, daß durch unsymmetrische Spannungseinleitung und durch Verzerrungen beim Verlaufen des Bandes (4) im Band verursachte Störspannungen mittels einer Abschottvorrichtung (9) von der Meßrolle (6) ferngehalten werden.A method for rolling or winding tape of uneven thickness over the bandwidth, in which the tension in a length section of the tape delimited by rollers, reels, control, guide or deflection rollers is measured by means of a measuring roller, characterized in that by asymmetrical introduction of tension and Interference voltages caused by distortions in the course of the band (4) in the band are kept away from the measuring roller (6) by means of a partitioning device (9). Vorrichtung zum Walzen oder Wickeln von Band mit einer Meßrolle zum Messen der Spannungen in einem von Walzen, Haspeln, Steuer-, Führungs- oder Umlenkrollen begrenzten Längenabschnitt des Bandes, dadurch gekennzeichnet, daß zwischen der Meßrolle (6) und einem Störspannungen im Band (4) verursachenden Aggregat (5) eine Abschottvorrichtung (9) zur Aufnahme der Störspannungen angeordnet ist.Device for rolling or winding tape with a measuring roller for measuring the tensions in a longitudinal section of the tape delimited by rollers, reels, control, guide or deflection rollers, characterized in that between the measuring roller (6) and an interference voltage in the tape (4 ) causing aggregate (5) a partitioning device (9) is arranged for receiving the interference voltages. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Abschottvorrichtung (9) mindestens eine Rolle (10) besitzt.Device according to claim 2, characterized in that the partitioning device (9) has at least one roller (10). Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Rollen (10) verstellbar, jedoch während des Betriebes ortsfest gelagert sind.Apparatus according to claim 3, characterized in that the rollers (10) are adjustable, but are fixed in position during operation. Verfahren zum Walzen oder Wickeln von Band mit ungleicher Dicke über die Bandbreite und/oder die Bandlänge, bei dem mittels einer Meßrolle die Spannung in einem von Walzen, Haspeln, Steuer-, Führungs- oder Umlenkrollen begrenzten Längenabschnitt des Bandes gemessen wird, dadurch gekennzeichnet, daß durch Verzerrungen beim Verlaufen des Bandes (4) im Band verursachte Störspannungen mittels einer Abschottvorrichtung (9) von der Meßrolle (6) ferngehalten werden.A method of rolling or winding strip of uneven thickness over the strip width and / or strip length, in which the tension in a length section of the strip delimited by rollers, reels, control, guide or deflection rollers is measured by means of a measuring roller, characterized in that that interference voltages caused by distortions in the course of the band (4) in the band are kept away from the measuring roller (6) by means of a partitioning device (9).
EP00117879A 1999-09-21 2000-08-19 Method and device for rolling or coiling strips Expired - Lifetime EP1086758B1 (en)

Applications Claiming Priority (2)

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DE19945202 1999-09-21
DE19945202A DE19945202A1 (en) 1999-09-21 1999-09-21 Method and device for rolling or winding tape

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Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10133756A1 (en) * 2001-07-11 2003-01-30 Sms Demag Ag Cold rolling mill and method for cold rolling metallic strip
DE102004041321A1 (en) * 2004-08-26 2006-03-02 Sms Demag Ag Rolling mill for rolling metallic strip
DE102004043150A1 (en) * 2004-09-03 2006-03-09 Betriebsforschungsinstitut VDEh - Institut für angewandte Forschung GmbH Tensioning roller for a belt treatment plant and belt treatment plant and use of the tensioning roller
US8032246B2 (en) * 2007-02-02 2011-10-04 Kimberly-Clark Worldwide, Inc. Winding method for uniform properties
CN101623720B (en) * 2008-07-09 2011-11-16 上海格林赛高新材料有限公司 Coiling apparatus for controlling strip type of special metal strip
US8707529B2 (en) * 2008-12-11 2014-04-29 The Material Works, Ltd. Method and apparatus for breaking scale from sheet metal with recoiler tension and rollers adapted to generate scale breaking wrap angles
US20130193249A1 (en) * 2012-01-31 2013-08-01 Georgia-Pacific Consumer Products Lp Product, Dispenser and Method of Dispensing Product
CN103170524B (en) * 2013-03-18 2014-12-10 中冶南方(武汉)自动化有限公司 Turntable type high-speed reeling machine control method and system of cold continuous rolling production line
CN104084448B (en) * 2014-06-16 2016-03-16 中国重型机械研究院股份公司 A kind of synchronous control system for the two coiling machine of rewinding subdivision unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339934A (en) * 1980-11-28 1982-07-20 Reynolds Metals Company Strip shape control
JPH0299211A (en) * 1988-10-06 1990-04-11 Mitsubishi Electric Corp Control device for plate shape of rolled stock
DE19524729A1 (en) * 1995-07-07 1997-01-16 Sundwiger Eisen Maschinen Method and device for rolling strips with a non-uniform thickness and / or length distribution across their width

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1958692A (en) * 1930-09-11 1934-05-15 United States Gypsum Co Sheet handling machine
US2433014A (en) * 1943-03-31 1947-12-23 Carnegie Illinois Steel Corp Apparatus for handling metallic strip
US3268142A (en) * 1964-03-12 1966-08-23 Macomson Wistar Wright Web tensioner and spreader
US3227347A (en) * 1964-03-31 1966-01-04 Wean Engineering Co Inc Apparatus for controlling the tension in a strip advancing continuously in a strip processing line
US3330457A (en) * 1965-02-11 1967-07-11 Mount Hope Machinery Ltd Total tension monitor and control system
US4478062A (en) * 1982-09-01 1984-10-23 E. W. Bliss Company, Inc. Strip shape measuring roll
US4463586A (en) * 1983-04-13 1984-08-07 Reycan Research Limited Auto wrap angle/positioner for shape sensing roll
WO1992019522A1 (en) * 1991-05-03 1992-11-12 Eastman Kodak Company Control of web winding
SE507318C2 (en) * 1994-11-23 1998-05-11 Moelnlycke Ab Unit for regulating output voltage in a material path

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339934A (en) * 1980-11-28 1982-07-20 Reynolds Metals Company Strip shape control
JPH0299211A (en) * 1988-10-06 1990-04-11 Mitsubishi Electric Corp Control device for plate shape of rolled stock
DE19524729A1 (en) * 1995-07-07 1997-01-16 Sundwiger Eisen Maschinen Method and device for rolling strips with a non-uniform thickness and / or length distribution across their width

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 305 (M-0992), 29. Juni 1990 (1990-06-29) -& JP 02 099211 A (MITSUBISHI ELECTRIC CORP), 11. April 1990 (1990-04-11) *

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EP1086758A3 (en) 2003-09-10
JP2001105025A (en) 2001-04-17
ES2251919T3 (en) 2006-05-16
DE50011425D1 (en) 2005-12-01
DE19945202A1 (en) 2001-03-22
EP1086758B1 (en) 2005-10-26

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