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EP0679595B1 - Support roll for a winding machine - Google Patents

Support roll for a winding machine Download PDF

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Publication number
EP0679595B1
EP0679595B1 EP95103284A EP95103284A EP0679595B1 EP 0679595 B1 EP0679595 B1 EP 0679595B1 EP 95103284 A EP95103284 A EP 95103284A EP 95103284 A EP95103284 A EP 95103284A EP 0679595 B1 EP0679595 B1 EP 0679595B1
Authority
EP
European Patent Office
Prior art keywords
winding
coating
carrying
support
paper
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.)
Expired - Lifetime
Application number
EP95103284A
Other languages
German (de)
French (fr)
Other versions
EP0679595A1 (en
Inventor
Georg Müller
Reinhard Hehner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Paper Jagenberg GmbH
Original Assignee
Jagenberg Papiertechnik GmbH
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Filing date
Publication date
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Application filed by Jagenberg Papiertechnik GmbH filed Critical Jagenberg Papiertechnik GmbH
Publication of EP0679595A1 publication Critical patent/EP0679595A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/16—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web by friction roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414863—Winding slitting winding on two or more winding shafts simultaneously directly against central support roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2401/00—Materials used for the handling apparatus or parts thereof; Properties thereof
    • B65H2401/10—Materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/131—Details of longitudinal profile shape
    • B65H2404/1316—Details of longitudinal profile shape stepped or grooved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/136—Details of longitudinal profile with canals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/18—Rollers composed of several layers

Definitions

  • the invention relates to a support or support roller for a winding machine and Use of such a support or support roller when winding paper or Cardboard webs.
  • Cardboard webs are known to be used winding machines that one or have two driven rollers on which the winding rollers on or during winding lie on.
  • the rollers are referred to as support rollers if they are complete bear the weight of the overlying reels (DE-A 39 24 612). Will that All or part of the weight of those inserted into the sleeves of the winding rolls
  • the rollers are known as bearing arms supported by guide arms Back-up rolls (DE-C 31 02 894, DE-C 40 12 979).
  • From DE-U-87 17 259 is a winding machine for winding a running one
  • the machine-wide, web-wrapped cylinder support drum, support or support roller
  • a winding roll formed by the web is supported.
  • the machine-wide, web-wrapped cylinder support drum, support or support roller
  • this is supported from the gap between the web and the winding roll
  • Intermediate layer of a rubber-elastic material layer on the cylinder There are Carrier and back-up rollers are described with a layer along their circumference are encased in elastic material such as rubber, plastic or the like, their hardness 59 to 91 Shore A and their thickness several millimeters to a few centimeters is.
  • the invention has for its object a support or support roller for winding machines to create a paper-friendly at high production speeds Winding enables, in particular, the appearance of surface damage the paper or cardboard web and winding errors in the winding rolls reduced.
  • the range of the coefficient of friction according to claim 2 ensures sufficient Fixing the web on the roller for a straight path, without the Transition from the roller to the winding roll requires the expansion compensation required To prevent web.
  • the better web guidance enables a significant increase in speed.
  • the surface quality according to claim 3 prevents clogging of the roller surface with particles, e.g. B. with color particles in coated papers and grants a constant coefficient of friction over a longer period.
  • the arrangement of a base layer between the base jacket and the coating according to claim 4 improves the damping properties of the roller and thus acts vibration and sound absorbing.
  • the base layer enables one subsequent coating of the roller, the setting of a desired roller diameter regardless of the outer coating layer.
  • the carrier or support roller described below is used on winding machines used with paper or cardboard webs divided by a longitudinal cut from up to 10 m wide can be wound into individual winding rolls.
  • the axial length the support or support roller corresponds to the maximum width of the to be processed Paper or cardboard web, its diameter is between 500 mm and 1500 mm.
  • the support or support roller consists of a hollow cylindrical support jacket 1 a solid material, in particular steel, which is designed to be sufficiently stable, in order to prevent the forces from the overlying or adjacent winding rollers from bending to be able to support.
  • the support jacket 1 is in the gesture of the winding machine mounted on its end faces fixed shaft journal. It is with a rotary drive connected, with which the roller rotates about its longitudinal axis can be used to turn the overlying or adjacent reels for winding.
  • the layer thickness of the coating 3 measured radially to the supporting jacket 1 is 5 mm to 12 mm, preferably 6 mm to 8 mm. It consists of a low-wear Elastomer, especially made of nitrile or polyurethane rubber. Your hardness is 65 to 80 Shore A, preferably 70 to 74 Shore A. This hardness corresponds a value range of 80 to 45 PJ (Pussey Jones), preferably 60 to 70 PJ.
  • the coefficient of friction ⁇ of the coating 3 on paper is 0.35 to 0.7, preferably 0.45 to 0.6.
  • the outer surface of the coating 3 is ground so that the arithmetic mean roughness R a determined according to DIN 4768 is 0.5 ⁇ m to 1.5 ⁇ m. With this surface roughness, the paper or cardboard web is adequately fixed on the roller so that it runs straight on the winding roll without running, at the same time an expansion compensation between the web resting on the roller and the winding roll is possible, which is of high quality for the production of winding rolls is required.
  • the roughness value R a of 0.5 ⁇ m to 1.5 ⁇ m ensures that the coefficient of friction ⁇ paper / coating 3 remains constant over a longer period during winding.
  • the embodiment of Figure 2 corresponds in structure to that of Figure 1, wherein additionally a base layer between the support jacket 1 and the outer coating 3 4 is arranged, the thickness of 8 to 15 mm, preferably 12 to 14 mm is.
  • the base layer 4 also consists of an elastomer, it is with a Hardness of more than 95 Shore A (this corresponds to a hardness of less than 15 after PJ) significantly harder than the coating 3. Due to the additional base layer 4 improve the damping properties of the support or support roller, so that Noise emissions and vibrations are reduced.
  • the surface of the coating 3 is preferably on known way provided with circumferential grooves.
  • the air discharge can also can be improved by a plurality of holes through the support jacket 1, the Layer 2, possibly the base layer 4 and the coating 3 in the interior of the base or Guide backup roller and be arranged over the entire lateral surface.
  • the holes can also be used to change the paper or cardboard web when changing reels to hold on the carrier or backup roller by negative pressure. Then the inside is the Carrier or pressure roller for generating the vacuum to a vacuum source connected.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Winding Of Webs (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Paper (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

The carrier or support roller has: (a) hollow cylindrical carrier mantle (1) pref. of steel, and (b) an outer coating (3) on the mantle surface. The coating (3) has a thickness of 5-12 mm, and pref. 6-8 mm. The coating (3) is of a low-wear elastomer and especially a nitrile or polyurethane rubber with a hardness of 65-80 Shore A and pref. 70-74 Shore A. An elastomer layer can be inserted between the roller mantle (1) and outer coating (3). <IMAGE>

Description

Die Erfindung betrifft eine Trag- oder Stützwalze für eine Wickelmaschine und die Verwendung einer derartigen Trag- oder Stützwalze beim Aufwickeln von Papier-oder Kartonbahnen.The invention relates to a support or support roller for a winding machine and Use of such a support or support roller when winding paper or Cardboard webs.

Zur Herstellung von Wickelrollen aus durch Längsschnitt unterteilten Papier-oder Kartonbahnen werden bekannterweise Wickelmaschinen eingesetzt, die eine oder zwei angetriebene Walzen aufweisen, an denen die Wickelrollen beim Aufwickeln an-oder aufliegen. Die Walzen werden als Tragwalzen bezeichnet, falls sie vollständig das Gewicht der aufliegenden Wickelrollen tragen (DE-A 39 24 612). Wird das Gewicht ganz oder teilweise von in die Hülsen der Wickelrollen eingefahrenen, an Tragarmen gelagerten Führungsköpfen gehalten, bezeichnet man die Walzen als Stützwalzen (DE-C 31 02 894, DE-C 40 12 979).For the production of winding rolls from paper or divided by longitudinal section Cardboard webs are known to be used winding machines that one or have two driven rollers on which the winding rollers on or during winding lie on. The rollers are referred to as support rollers if they are complete bear the weight of the overlying reels (DE-A 39 24 612). Will that All or part of the weight of those inserted into the sleeves of the winding rolls The rollers are known as bearing arms supported by guide arms Back-up rolls (DE-C 31 02 894, DE-C 40 12 979).

Die Wickelqualität der Wickelrollen wird entscheidend von der Linienlast (= Anpreßkraft pro Meter Wickelrollenbreite) und den geometrischen Verhältnissen im Nip zwischen der Wickelrolle und der Trag- oder Stützwalze beeinflußt. Dabei stellt es sich als besonderes Problem heraus, bei hohen Produktionsgeschwindigkeiten eine vorbestimmte, gleichmäßige Wickelhärte (= Zugspannung zwischen den äußeren Lagen einer Wickelrolle) einzustellen, ohne daß Oberflächenbeschädigungen, z. B. Markierungen, an den Papieren oder Wickelfehler, z. B. sogenannte Riegel, auftreten. Weiterhin muß vermieden werden, daß Luft mit in die Wickelrolle eingewickelt wird oder die Bahn seitlich zu ihrer Laufrichtung verläuft. The winding quality of the winding rolls is determined by the line load (= contact pressure per meter of winding roll width) and the geometric conditions in the nip influenced between the winding roller and the support or support roller. It does so turns out to be a particular problem at high production speeds predetermined, uniform winding hardness (= tension between the outer Layers of a winding roll) adjust without surface damage, e.g. B. Markings on the papers or winding errors, e.g. B. so-called bars occur. It must also be avoided that air is also wrapped in the winding roll or the web runs to the side of its direction.

Aus der DE-U-87 17 259 ist eine Wickelmaschine zum Aufwickeln einer laufenden Bahn aus Papier, Kunststoff oder Metall bekannt, die einen maschinenbreiten, bahnumschlungenen Zylinder (Tragtrommel, Stütz- oder Tragwalze) aufweist, gegen den eine von der Bahn gebildete Wickelrolle abgestützt ist. Zum Verdrängen von Luft aus dem Spalt zwischen der Bahn und der Wickelrolle stützt sich diese unter Zwischenlage einer gummielastischen Werkstoffschicht am Zylinder ab. Es sind Trag- und Stützwalzen beschrieben, die entlang ihres Umfanges mit einer Schicht aus elastischem Werkstoff wie Gummi, Kunststoff oder dgl. umhüllt sind, deren Härte 59 bis 91 Shore A und deren Dicke mehrere Millimeter bis wenige Zentimeter beträgt. From DE-U-87 17 259 is a winding machine for winding a running one Known from paper, plastic or metal, the machine-wide, web-wrapped cylinder (support drum, support or support roller), against a winding roll formed by the web is supported. For displacing air this is supported from the gap between the web and the winding roll Intermediate layer of a rubber-elastic material layer on the cylinder. There are Carrier and back-up rollers are described with a layer along their circumference are encased in elastic material such as rubber, plastic or the like, their hardness 59 to 91 Shore A and their thickness several millimeters to a few centimeters is.

Der Erfindung liegt die Aufgabe zugrunde, eine Trag- oder Stützwalze für Wickelmaschinen zu schaffen, die bei hohen Produktionsgeschwindigkeiten ein papierschonenderes Wickeln ermöglicht, insbesondere das Auftreten von Oberflächenbeschädigungen der Papier- oder Kartonbahn und von Wickelfehlern in den Wickelrollen vermindert.The invention has for its object a support or support roller for winding machines to create a paper-friendly at high production speeds Winding enables, in particular, the appearance of surface damage the paper or cardboard web and winding errors in the winding rolls reduced.

Diese Aufgabe wird mit den Merkmalen des Patentanspruchs 1 gelöst.This object is achieved with the features of patent claim 1.

Die Unteransprüche enthalten bevorzugte, da besonders vorteilhafte Ausgestaltungen der Erfindung:The subclaims contain preferred, since particularly advantageous, configurations the invention:

Der Bereich des Reibbeiwerts nach Anspruch 2 gewährleistet eine ausreichende Fixierung der Bahn auf der Walze für einen geradlinigen Bahnverlauf, ohne den beim Übergang von der Walze auf die Wickelrolle erforderlichen Dehnungsausgleich der Bahn zu verhindern. Die bessere Bahnführung ermöglicht eine erhebliche Geschwindigkeitssteigerung.The range of the coefficient of friction according to claim 2 ensures sufficient Fixing the web on the roller for a straight path, without the Transition from the roller to the winding roll requires the expansion compensation required To prevent web. The better web guidance enables a significant increase in speed.

Die Oberflächenbeschaffenheit nach Anspruch 3 verhindert ein Zusetzen der Walzenoberfläche mit Partikeln, z. B. mit Farbpartikeln bei gestrichenen Papieren und gewährt über einen längeren Zeitraum einen konstanten Reibbeiwert.The surface quality according to claim 3 prevents clogging of the roller surface with particles, e.g. B. with color particles in coated papers and grants a constant coefficient of friction over a longer period.

Die Anordnung einer Tragschicht zwischen dem Tragmantel und der Beschichtung nach Anspruch 4 verbessert die Dämpfungseigenschaften der Walze und wirkt so vibrations- und schalldämpfend. Zugleich ermöglicht die Tragschicht bei einer nachträglichen Beschichtung der Walze die Einstellung eines gewünschten Walzendurchmessers unabhängig von der äußeren Beschichtungsschicht.The arrangement of a base layer between the base jacket and the coating according to claim 4 improves the damping properties of the roller and thus acts vibration and sound absorbing. At the same time, the base layer enables one subsequent coating of the roller, the setting of a desired roller diameter regardless of the outer coating layer.

Die Zeichnung dient zur Erläuterung der Erfindung anhand vereinfacht dargestellter Ausführungsbeispiele.

Figur 1
zeigt ausschnittsweise den Längsschnitt durch eine Walze, bei der die Beschichtung direkt auf den Tragmantel aufgetragen ist,
Figur 2
zeigt eine Walze mit einer Tragschicht zwischen der äußeren Beschichtung und den Tragmantel.
The drawing serves to explain the invention on the basis of simplified exemplary embodiments.
Figure 1
shows a section of the longitudinal section through a roller, in which the coating is applied directly to the support jacket,
Figure 2
shows a roller with a support layer between the outer coating and the support jacket.

Die nachfolgend beschriebene Trag- oder Stützwalze wird an Wickelmaschinen eingesetzt mit denen durch Längsschnitt unterteilte Papier- oder Kartonbahnen von bis zu 10 m Breite zu einzelnen Wickelrollen aufgewickelt werden. Die axiale Länge der Trag- oder Stützwalze entspricht der maximalen Breite der zu verarbeitenden Papier- oder Kartonbahn, ihr Durchmesser beträgt zwischen 500 mm und 1500 mm. Die Trag- oder Stützwalze besteht aus einem hohlzylinderförmigen Tragmantel 1 aus einem festen Material, insbesondere aus Stahl, der ausreichend stabil ausgestaltet ist, um verbiegungsfrei die durch die auf- oder anliegenden Wickelrollen wirkenden Kräfte abstützen zu können. Der Tragmantel 1 ist im Geste der Wickelmaschine mit an seinen Stirnseiten befestigten Wellenzapfen gelagert. Er ist mit einem Drehantrieb verbunden, mit dem die Walze in eine Drehbewegung um ihre Längsachse versetzt werden kann, um die auf- oder anliegenden Wickelrollen zum Aufwickeln zu drehen.The carrier or support roller described below is used on winding machines used with paper or cardboard webs divided by a longitudinal cut from up to 10 m wide can be wound into individual winding rolls. The axial length the support or support roller corresponds to the maximum width of the to be processed Paper or cardboard web, its diameter is between 500 mm and 1500 mm. The support or support roller consists of a hollow cylindrical support jacket 1 a solid material, in particular steel, which is designed to be sufficiently stable, in order to prevent the forces from the overlying or adjacent winding rollers from bending to be able to support. The support jacket 1 is in the gesture of the winding machine mounted on its end faces fixed shaft journal. It is with a rotary drive connected, with which the roller rotates about its longitudinal axis can be used to turn the overlying or adjacent reels for winding.

Auf die äußere Mantelfläche des Tragmantels 1 ist eine Schicht 2 aus einem Haftvermittler aufgetragen, der eine sichere Verbindung des Tragmantels 1 mit einer außen auf den Walzenmantel aufgebrachten Beschichtung 3 gewährleistet.On the outer circumferential surface of the support shell 1 is a layer 2 made of an adhesion promoter applied the secure connection of the support shell 1 with a Coating 3 applied to the outside of the roller jacket is guaranteed.

Die radial zum Tragmantel 1 gemessene Schichtdicke der Beschichtung 3 beträgt 5 mm bis 12 mm, vorzugsweise 6 mm bis 8 mm. Sie besteht aus einem verschleißarmen Elastomer, insbesondere aus Nitril- oder Polyurethan-Kautschuk. Ihre Härte beträgt 65 bis 80 Shore A, bevorzugt 70 bis 74 Shore A. Diese Härte entspricht einem Wertebereich von 80 bis 45 PJ (Pussey Jones), bevorzugt 60 bis 70 PJ.The layer thickness of the coating 3 measured radially to the supporting jacket 1 is 5 mm to 12 mm, preferably 6 mm to 8 mm. It consists of a low-wear Elastomer, especially made of nitrile or polyurethane rubber. Your hardness is 65 to 80 Shore A, preferably 70 to 74 Shore A. This hardness corresponds a value range of 80 to 45 PJ (Pussey Jones), preferably 60 to 70 PJ.

Der Reibbeiwert µ der Beschichtung 3 zu Papier beträgt 0,35 bis 0,7, vorzugsweise 0,45 bis 0,6. Die äußere Oberfläche der Beschichtung 3 ist so geschliffen, daß der arithmetische Mittenrauwert Ra ermittelt nach DIN 4768 0,5 µm bis 1,5 µm beträgt. Bei dieser Oberflächenrauheit wird die Papier- oder Kartonbahn ausreichend auf der Walze fixiert, so daß sie geradlinig ohne zu verlaufen auf die Wickelrolle aufläuft, zugleich ist ein Dehnungsausgleich zwischen der auf der Walze aufliegenden Bahn und der Wickelrolle möglich, der für die Herstellung Wickelrollen hoher Qualität erforderlich ist. Zusätzlich wird durch den Rauwert Ra von 0,5 µm bis 1,5 µm erreicht, daß der Reibbeiwert µ Papier/Beschichtung 3 über einen längeren Zeitraum während des Aufwickelns konstant bleibt.The coefficient of friction μ of the coating 3 on paper is 0.35 to 0.7, preferably 0.45 to 0.6. The outer surface of the coating 3 is ground so that the arithmetic mean roughness R a determined according to DIN 4768 is 0.5 µm to 1.5 µm. With this surface roughness, the paper or cardboard web is adequately fixed on the roller so that it runs straight on the winding roll without running, at the same time an expansion compensation between the web resting on the roller and the winding roll is possible, which is of high quality for the production of winding rolls is required. In addition, the roughness value R a of 0.5 μm to 1.5 μm ensures that the coefficient of friction μ paper / coating 3 remains constant over a longer period during winding.

Die Ausführungsform nach Figur 2 entspricht in ihrem Aufbau der von Figur 1, wobei zusätzlich zwischen dem Tragmantel 1 und der äußeren Beschichtung 3 eine Tragschicht 4 angeordnet ist, deren Dicke 8 bis 15 mm, vorzugsweise 12 bis 14 mm beträgt. Die Tragschicht 4 besteht ebenfalls aus einem Elastomer, sie ist mit einer Härte von mehr als 95 Shore A (dies entspricht einer Härte von weniger als 15 nach PJ) bedeutend härter als die Beschichtung 3. Durch die zusätzliche Tragschicht 4 verbessern sich die Dämpfungseigenschaften der Trag- oder Stützwalze, so daß Lärmemissionen und Vibrationen vermindert werden.The embodiment of Figure 2 corresponds in structure to that of Figure 1, wherein additionally a base layer between the support jacket 1 and the outer coating 3 4 is arranged, the thickness of 8 to 15 mm, preferably 12 to 14 mm is. The base layer 4 also consists of an elastomer, it is with a Hardness of more than 95 Shore A (this corresponds to a hardness of less than 15 after PJ) significantly harder than the coating 3. Due to the additional base layer 4 improve the damping properties of the support or support roller, so that Noise emissions and vibrations are reduced.

Um die Abführung der Luft zu verbessern und damit das Einwickeln von Luft in die Wickelrolle zu verhindern, ist die Oberfläche der Beschichtung 3 bevorzugt auf bekannte Weise mit umlaufenden Nuten versehen. Die Luftabführung kann auch durch eine Vielzahl von Löchern verbessert werden, die durch den Tragmantel 1, die Schicht 2, ggf. die Tragschicht 4 und die Beschichtung 3 in das Innere der Trag-oder Stützwalze führen und über deren gesamte Mantelfläche angeordnet sein. Die Löcher können auch dazu dienen, die Papier- oder Kartonbahn bei einem Wickelrollenwechsel auf der Trag- oder Stützwalze durch Unterdruck zu halten. Dann ist das Innere der Trag- oder Druckwalze zur Erzeugung des Unterdrucks an eine Unterdruckquelle angeschlossen.To improve the removal of air and thus the wrapping of air in the To prevent winding roll, the surface of the coating 3 is preferably on known way provided with circumferential grooves. The air discharge can also can be improved by a plurality of holes through the support jacket 1, the Layer 2, possibly the base layer 4 and the coating 3 in the interior of the base or Guide backup roller and be arranged over the entire lateral surface. The holes can also be used to change the paper or cardboard web when changing reels to hold on the carrier or backup roller by negative pressure. Then the inside is the Carrier or pressure roller for generating the vacuum to a vacuum source connected.

Der Einsatz einer erfindungsgemäßen Trag- oder Stützwalze bei der Herstellung von Wickelrollen aus Papier- oder Karton hat eine Vielzahl von Vorteilen:

  • es werden Oberflächenbeschädigungen (Markierungen) an der Papier- oder Kartonbahn vermieden,
  • das Einwickeln von Luft in die Wickelrolle wird vermindert,
  • es findet ein Ausgleich von Profilschwankungen im Querprofil der Papier-oder Kartonbahn statt, so daß Wickelfehler in der Wickelrolle vermieden werden,
  • die Wickelgeschwindigkeit läßt sich anheben,
  • es findet kein Verlaufen der Bahn quer zur Laufrichtung statt, d.h. die Wickelrollen werden an ihren Stirnseiten plangewickelt, und
  • es läßt sich vibrations- und sehr geräuscharm aufwickeln.
The use of a support or support roller according to the invention in the manufacture of winding rolls from paper or cardboard has a number of advantages:
  • surface damage (markings) on the paper or cardboard web are avoided,
  • the wrapping of air in the winding roll is reduced,
  • there is an equalization of profile fluctuations in the transverse profile of the paper or cardboard web so that winding errors in the winding roll are avoided,
  • the winding speed can be increased,
  • there is no running of the web transversely to the running direction, ie the winding rolls are face-wound on their end faces, and
  • it can be wound up with little vibration and very little noise.

Claims (5)

  1. Carrying or supporting roller for a winding machine for the winding of paper or cardboard webs, with a hollow-cylindrical carrying casing (1) made of a high-strength material, in particular steel, to the outer cylindrical surface of which a coating (3) having the following features is applied:
    the thickness of the coating (3) is 5 mm to 12 mm, preferably 6 mm to 8 mm,
    it consists of a low-wear elastomer, in particular of nitrile or polyurethane rubber, and
    its hardness, measured according to Shore A, is 65 to 80, preferably 70 to 74.
  2. Carrying or supporting roller according to Claim 1, characterized in that the coefficient of friction µ of the coating with respect to paper is 0.35 to 0.7, preferably 0.45 to 0.6.
  3. Carrying or supporting roller according to Claim 1 or 2, characterized in that the arithmetic mean peak-to-valley height Ra (determined according to DIN 4768) of the outer surface of the coating (3) is 0.5 µm to 1.5 µm.
  4. Carrying or supporting roller according to one of Claims 1 to 3, characterized in that, between the outer coating (3) and the carrying casing (1) is arranged a carrying layer (4), the thickness of which is 8 mm to 15 mm, preferably 12 mm to 14 mm, and which has a hardness, measured according to Shore A, of more than 95.
  5. Use of a carrying or supporting roller according to Claims 1 to 4 in winding machines for the winding of paper or cardboard webs.
EP95103284A 1994-04-26 1995-03-08 Support roll for a winding machine Expired - Lifetime EP0679595B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4414396 1994-04-26
DE4414396A DE4414396C3 (en) 1994-04-26 1994-04-26 Carrier or support roller for a winding machine

Publications (2)

Publication Number Publication Date
EP0679595A1 EP0679595A1 (en) 1995-11-02
EP0679595B1 true EP0679595B1 (en) 2000-08-16

Family

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Family Applications (1)

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EP95103284A Expired - Lifetime EP0679595B1 (en) 1994-04-26 1995-03-08 Support roll for a winding machine

Country Status (6)

Country Link
US (1) US5582361A (en)
EP (1) EP0679595B1 (en)
AT (1) ATE195489T1 (en)
DE (2) DE4414396C3 (en)
ES (1) ES2150509T3 (en)
FI (1) FI116375B (en)

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DE19627677A1 (en) * 1996-07-10 1998-01-15 Beloit Technologies Inc Winding device for webs of paper or the like and roller therefor
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DE19649354B4 (en) * 1996-11-28 2005-11-03 Voith Paper Patent Gmbh Winding machine for paper or board webs
DE19729189A1 (en) * 1997-07-08 1999-01-14 Voith Sulzer Papiermasch Gmbh Press roller for the press section of a papermaking machine, to extract water from the wet web
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DE19836116A1 (en) * 1998-03-24 2000-03-02 Voith Sulzer Papiertech Patent Roll winder roller
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JP3955518B2 (en) * 2002-09-19 2007-08-08 富士フイルム株式会社 Polymer film winding method
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US7976664B2 (en) 2000-12-18 2011-07-12 Tetra Laval Holdings & Finance S.A. Method for producing a packaging material

Also Published As

Publication number Publication date
DE4414396C2 (en) 1997-04-10
ES2150509T3 (en) 2000-12-01
FI951964A0 (en) 1995-04-25
US5582361A (en) 1996-12-10
DE4414396C3 (en) 2002-02-07
DE4414396A1 (en) 1995-11-02
DE59508634D1 (en) 2000-09-21
EP0679595A1 (en) 1995-11-02
FI951964A (en) 1995-10-27
ATE195489T1 (en) 2000-09-15
FI116375B (en) 2005-11-15

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