EP1159484A1 - Heatable calender bowl - Google Patents

Heatable calender bowl

Info

Publication number
EP1159484A1
EP1159484A1 EP00920459A EP00920459A EP1159484A1 EP 1159484 A1 EP1159484 A1 EP 1159484A1 EP 00920459 A EP00920459 A EP 00920459A EP 00920459 A EP00920459 A EP 00920459A EP 1159484 A1 EP1159484 A1 EP 1159484A1
Authority
EP
European Patent Office
Prior art keywords
insulating bushes
calender roll
heating medium
roll according
peripheral bores
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
EP00920459A
Other languages
German (de)
French (fr)
Other versions
EP1159484B1 (en
Inventor
Ludwig Hellenthal
Berthold Krämer
Wolfgang KRÖNERT
Walter Patt
Joachim Schönemann
Klaus-Peter Schramm
Jaxa Von Schweinichen
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.)
Walzen Irle GmbH
Original Assignee
Walzen Irle GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Walzen Irle GmbH filed Critical Walzen Irle GmbH
Publication of EP1159484A1 publication Critical patent/EP1159484A1/en
Application granted granted Critical
Publication of EP1159484B1 publication Critical patent/EP1159484B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/02—Rolls; Their bearings
    • D21G1/0253—Heating or cooling the rolls; Regulating the temperature
    • D21G1/0286—Regulating the axial or circumferential temperature profile of the roll
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement
    • F28F5/02—Rotary drums or rollers

Definitions

  • the invention relates to a calender roll that can be heated by means of a liquid and / or gaseous state of matter with a heating medium, with a roll body equipped with peripheral bores, which is provided on both sides with feed and discharge lines for the heating medium, and in which the respective end regions of the peripheral bores are provided with thermal insulating bushings are equipped.
  • Such calender rolls are widely used, for example, for paper production.
  • the further development of processes in web production requires an ever more exact cylindricity of the heatable calender rolls due to changed temperatures and different web widths.
  • thermally induced dimensional differences of a few ⁇ m in the product to be produced can decide on its quality or even waste.
  • Bending compensation rollers have been used to compensate for shape errors in the heatable calender rollers, which are based on mechanical bending and areas of different temperatures. However, this has only proven effective as long as the shape errors are relatively long-wave and the correction potential of the bending compensation roller is sufficient.
  • attempts have been made with heatable calender rolls to control the heat input into the roll body by means of different thermal insulation. Targeted tempering or insulation of the journal flanges to compensate for errors are also known.
  • the mouth areas of the peripheral bores are equipped with permanently attached thermal insulating bushes in order to dampen the heat transfer in the end areas of the roll body and thus beyond the areas used by the web width.
  • the invention is based on the object of transferring heat from the peripheral bores through which the heating medium flows to the lateral surface of the roller.
  • CONFIRMATION COPY zen stresses adapt to the respective heat demand in such a way that the harmful dimensional differences in the product are not restricted.
  • the drawing shows cut and interrupted two sections from the roll body 1 of a heatable calender roll, to which, also broken off and shown in vertical section, are connected two flange pins 2 and 3.
  • peripherally arranged bores 4 are provided, which are fed with a liquid and / or gaseous heating medium by a feed line arranged in the flange pin 3.
  • the flange pin 3 is provided with radially extending grooves 5, each of which is equipped with an insert body 6, which has a first route to the mouth of one of the bores 4, and which contain a second route, which bends laterally at the top or branches and thus with adjacent mouths of the holes 4 is connected.
  • a circumferential groove 7 is incorporated into the flange pin 2, which connects all the left-hand openings of the peripheral bores 4 to one another.
  • the end regions of the peripheral bores 4 are equipped with thermal insulating bushes 8, which can be made, for example, of plastic in order to throttle the heat transfer, but which can also be made of metal with a plastic coating or can be created in multiple layers, at least one of the intermediate layers being thermally insulated.
  • the inward-facing region 12 of the insulating bush 8 is beveled in the exemplary embodiment, so that the upper side in the illustration is supported on a flange formed in the bore 4, while the opposite side is designed to be substantially shorter.
  • the thermal insulating bushes 8 therefore insulate much more strongly on one side than on the other, and since they have not been firmly inserted, for example immersed, but are held so that they can be rotated easily, it is possible to rotate the insulating bushes 8 to heat transfer in the end region To control or adjust holes 4. In the position shown, a damping of the heat flow takes place towards the jacket of the roller body 1, which could be eliminated if the insulating bushes 8 were rotated by 180 ° with respect to the position shown. Then the heat transfer to the outer jacket would not be disturbed by insulating layers and thus intensified.
  • a ring gear 9 is inserted, which is guided on the outer flank of the groove and has such a large diameter that its teeth mesh with the teeth of the insulating bushings 8 that are facing outward.
  • This ring gear 9 also has a corresponding toothing on its side facing away from the insulating bushes 8, which meshes with a toothing 13 of an adjusting bolt 10.
  • This adjusting bolt is connected by a screw to an adjusting head 1 1, which is adjustable by means of a tool.
  • a ring gear 14 is rotated by an adjusting head 11 and in turn rotates the insulating bushings 8, which engage with the ring gear 14 with their end teeth.
  • the adjusting head can be designed as a flange-fixed guide body and the adjusting process can be carried out by positively actuating the corresponding screw. It is also not necessary to provide the adjusting bolts 10 only once per flange pin 2 or 3, just as little as it is necessary to arrange them axially parallel: Radially positioned adjusting bolts do not require sprockets, but only simple spur gears, so that the cross section of the circumferential groove 7 is not affected.
  • the shape of the insulating bushes can also be changed widely, although the simplest form is the one shown, in which the insulating bush ends on an inclined surface; it would also be possible, for example, to split the socket end by an axial cut and to remove one of the half-tubes formed.
  • the entire adjusting device can also be designed such that the insulating bushes 8 are axially displaced in the mouth regions of the peripheral bores. In any case, the supply of heat to the jacket is intensified or throttled in the limit region of the width of the webs to be machined by heat paths to be covered in the metal of the roller body, so that the desired setting is made possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Paper (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention relates to a calender bowl which can be heated by means of a heating medium that is in a liquid or gaseous state of matter. The calender bowl comprises a roll body ( 1 ) that is provided with peripheral bores ( 4 ) and flange journals ( 2, 3 ) comprising supply and discharge conduits for the heating medium. Thermal insulating bushes ( 8 ) are mounted on the end areas of the peripheral bores. The heating medium flows through the peripheral bores. The aim of the invention is to adapt the heat transfer from said bores to the lateral surface of the roll body to the respective heat requirements in such a way that the harmful measured differences stay within limits so that the product is not impaired. To this end, adjusting devices are allocated to the flange journals for controllably turning and/or axially displacing the insulating bushes.

Description

Beheizbare KalanderwalzeHeated calender roll
Die Erfindung betrifft eine mittels eines Heizmediums flüssigen und/oder gasförmigen Aggregatzustandes beheizbare Kalanderwalze mit einem mit periphe- ren Bohrungen ausgestatteten Walzenkörper, der beidseitig mit Zu- und Ableitungen für das Heizmedium ausgestatteten Flanschzapfen versehen ist, und bei der die jeweiligen Endbereiche der peripheren Bohrungen mit thermischen Isolierbuchsen ausgestattet sind. Derartige Kalanderwalzen werden verbreitet bspw. zur Papierherstellung eingesetzt. Die Fortentwicklung der Prozesse bei der Bahnherstellung jedoch erfordern eine immer exaktere Zylindrizität der heizbaren Kalanderwalzen infolge geänderter Temperaturen und unterschiedlichen Bahnbreiten. Hierbei können insbesondere thermisch bedingte Abmessungsdifferenzen von wenigen μm beim zu erstellenden Produkt über dessen Güte oder gar Ausschuß entscheiden.The invention relates to a calender roll that can be heated by means of a liquid and / or gaseous state of matter with a heating medium, with a roll body equipped with peripheral bores, which is provided on both sides with feed and discharge lines for the heating medium, and in which the respective end regions of the peripheral bores are provided with thermal insulating bushings are equipped. Such calender rolls are widely used, for example, for paper production. The further development of processes in web production, however, requires an ever more exact cylindricity of the heatable calender rolls due to changed temperatures and different web widths. In particular, thermally induced dimensional differences of a few μm in the product to be produced can decide on its quality or even waste.
Man hat durch Biegeausgleichswalzen (Multizonenwalzen) versucht, Formfehler der beheizbaren Kalanderwalzen zu kompensieren, die auf der mechanischen Biegung und Bereichen unterschiedlicher Temperaturen beruhen. Dies hat sich aber nur bewährt, solange die Formfehler relativ langwellig sind und das Kor- rekturpotential der Biegeausgleichswalze hinreichend ist. Andererseits hat man bei beheizbaren Kalanderwalzen versucht, durch unterschiedliche Thermoiso- lierungen die Wärmeeinbringung in den Walzenkörper zu steuern. Auch gezielte Temperierungen bzw. Isolierungen der Zapfenflansche zur Kompensation von Fehlern sind bekannt. Vielfach werden die Mündungsbereiche der peripheren Bohrungen mit fest angebrachten thermischen Isolierbuchsen ausgestattet, um die Wärmeübertragung in den Endbereichen des Walzenkörpers und damit über die von der Bahnbreite genutzten Bereiche hinaus zu dämpfen.Bending compensation rollers (multi-zone rollers) have been used to compensate for shape errors in the heatable calender rollers, which are based on mechanical bending and areas of different temperatures. However, this has only proven effective as long as the shape errors are relatively long-wave and the correction potential of the bending compensation roller is sufficient. On the other hand, attempts have been made with heatable calender rolls to control the heat input into the roll body by means of different thermal insulation. Targeted tempering or insulation of the journal flanges to compensate for errors are also known. In many cases, the mouth areas of the peripheral bores are equipped with permanently attached thermal insulating bushes in order to dampen the heat transfer in the end areas of the roll body and thus beyond the areas used by the web width.
Die Erfindung geht von der Aufgabe aus, die Wärmeübertragung von den vom Heizmedium durchflossenen peripheren Bohrungen zur Mantelfläche des Wal-The invention is based on the object of transferring heat from the peripheral bores through which the heating medium flows to the lateral surface of the roller.
BESTATIGUNGSKOPIE zenkörpers dem jeweiligen Wärmebedarf derart anzupassen, daß die schädlichen Abmessungsdifferenzen in das Produkt nicht beeinträchtigenden Grenzen gehalten wird.CONFIRMATION COPY zenkörpers adapt to the respective heat demand in such a way that the harmful dimensional differences in the product are not restricted.
Gelöst wird diese Aufgabe mit den Merkmalen des Patentanspruchs 1. Sie erlauben eine variable thermische Randabschottung des Walzenkörpers und somit eine Beeinflussung auf das Thermoprofil des Walzenkörpers in seinem Randbereich, mit dem seine Anpassung an unterschiedliche Wärmeabnahmen in den Bahnbreiten-Endbereichen ebenso berücksichtigt werden kann, wie die jeweilig gefahrene Bahnbreite, wobei eine einfache, effektive und zentrale Anpassungsmöglichkeit geschaffen ist.This problem is solved with the features of claim 1. They allow a variable thermal sealing of the roller body and thus an influence on the thermal profile of the roller body in its edge area, with which its adaptation to different heat losses in the web width end areas can be taken into account as well the respective web width traveled, whereby a simple, effective and central adjustment option is created.
Vorteilhafte, zweckmäßige und erfinderische Weiterbildungen des Gegenstandes des Patentanspruchs sind den Unteransprüchen entnehmbar.Advantageous, expedient and inventive developments of the subject matter of the claim can be found in the subclaims.
Im einzelnen sind die Merkmale der Erfindung anhand der Beschreibung eines Ausführungsbeispieles in Verbindung mit einer dieses darstellenden Zeichnung erläutert.The features of the invention are explained in detail on the basis of the description of an exemplary embodiment in conjunction with a drawing representing the same.
In der Zeichnung sind geschnitten und unterbrochen zwei Ausschnitte aus dem Walzenkörper 1 einer beheizbaren Kalanderwalze dargestellt, an die sich, ebenfalls abgebrochen und im Vertikalschnitt gezeigt, zwei Flanschzapfen 2 und 3 anschließen. Im Bereiche des Außenmantels sind peripher angeordnete Bohrungen 4 vorgesehen, die von einer im Flanschzapfen 3 angeordneten Zuleitung mit einem flüssigen und/oder gasförmigen Heizmedium gespeist werden. Der Flanschzapfen 3 ist hierfür mit radial verlaufenden Nuten 5 versehen, die mit jeweils einem Einsatzkörper 6 bestückt sind, der einen ersten Leitweg zur Mündung einer der Bohrungen 4 aufweist, und die einen zweiten Leitweg enthalten, der oben seitlich abbiegt oder sich verzweigt und damit mit benachbarten Mündungen der Bohrungen 4 in Verbindung steht. In den Flanschzapfen 2 ist eine umlaufende Nut 7 eingearbeitet, welche alle linksseitigen Mündungen der peripheren Bohrungen 4 miteinander verbindet. Zur Dämpfung des Wärmeüberganges im Bereiche der Enden der Bahnbreite um den Walzenkörper zu legender Papierbahnen sind die Endbereiche der peripheren Bohrungen 4 mit thermischen Isolierbuchsen 8 ausgestattet, die zur Drosselung des Wärmeüberganges bspw. einstückig aus Kunststoff erstellt sein können, die aber auch aus Metall mit Kunststoffbeschichtung oder aber mehrschichtig erstellt sein können, wobei mindestens eine der Zwischenschichten thermisch isoliert. Der nach innen gewandte Bereich 12 der Isolierbuchse 8 ist im Ausführungsbeispiel abgeschrägt ausgeführt, so daß die in der Darstellung obere Seite sich auf einen in de Bohrung 4 gebildeten Flansch abstützt, während die gegenüberliegende Seite wesentlich kürzer ausgeführt ist. Die thermischen Isolierbuchsen 8 isolieren daher nach der einen Seite wesentlich stärker als nach der anderen, und da sie nicht fest eingebracht worden sind, bspw. eingestaucht, sondern leicht drehbar gehalten sind, ist es möglich, durch Drehung der Isolierbuchsen 8 den Wärmeübergang im Endbereich der Bohrungen 4 zu steuern bzw. einzustellen. In der dargestellten Stellung findet zum Mantel des Walzenkörpers 1 hin eine Dämpfung des Wärmeflusses statt, die aufgehoben werden könnte, wenn die Isolierbuchsen 8 gegenüber der dargestellten Lage um 180° verdreht würden. Dann würde der Wärmeübergang zum Außenmantel hin nicht durch Isolierschichten gestört und damit intensiviert.The drawing shows cut and interrupted two sections from the roll body 1 of a heatable calender roll, to which, also broken off and shown in vertical section, are connected two flange pins 2 and 3. In the area of the outer casing, peripherally arranged bores 4 are provided, which are fed with a liquid and / or gaseous heating medium by a feed line arranged in the flange pin 3. For this purpose, the flange pin 3 is provided with radially extending grooves 5, each of which is equipped with an insert body 6, which has a first route to the mouth of one of the bores 4, and which contain a second route, which bends laterally at the top or branches and thus with adjacent mouths of the holes 4 is connected. A circumferential groove 7 is incorporated into the flange pin 2, which connects all the left-hand openings of the peripheral bores 4 to one another. To dampen the heat transfer in the region of the ends of the web width around the paper body to be laid, the end regions of the peripheral bores 4 are equipped with thermal insulating bushes 8, which can be made, for example, of plastic in order to throttle the heat transfer, but which can also be made of metal with a plastic coating or can be created in multiple layers, at least one of the intermediate layers being thermally insulated. The inward-facing region 12 of the insulating bush 8 is beveled in the exemplary embodiment, so that the upper side in the illustration is supported on a flange formed in the bore 4, while the opposite side is designed to be substantially shorter. The thermal insulating bushes 8 therefore insulate much more strongly on one side than on the other, and since they have not been firmly inserted, for example immersed, but are held so that they can be rotated easily, it is possible to rotate the insulating bushes 8 to heat transfer in the end region To control or adjust holes 4. In the position shown, a damping of the heat flow takes place towards the jacket of the roller body 1, which could be eliminated if the insulating bushes 8 were rotated by 180 ° with respect to the position shown. Then the heat transfer to the outer jacket would not be disturbed by insulating layers and thus intensified.
Zur Einstellung der Lage der Isolierbuchsen sind deren äußere Stirnseiten mit einem Zahnkranz mit nach außen auskragenden Zähnen ausgestattet. In die Nut 7 ist ein Zahnkranz 9 eingelegt, der an der Außenflanke der Nut geführt wird und einen so großen Durchmesser aufweist, daß seine Zähne mit jeweils den nach außen stehenden Zähnen der Isolierbuchsen 8 kämmen. Dieser Zahnkranz 9 weist auch auf seiner den Isolierbuchsen 8 abgewandten Seite eine entsprechende Verzahnung auf, die mit einer Verzahnung 13 eines Einstellbolzens 10 kämmt. Dieser Einstellbolzen ist durch eine Schraube mit einem Stellkopf 1 1 verbunden, der vermittels eines Werkzeuges einstellbar ist. Damit besteht die Möglichkeit, mittels eines Werkzeuges den Stellkopf 11 zu betätigen, der mit seiner Verzahnung 13 den Zahnkranz 9 verstellt, der seinerseits in die Stirnverzahnungen sämtlicher auf der gleichen Seite mündenden Isolierbuchsen 8 eingreift und diese im gewünschten Maße verstellt, so daß der Wärmeübergang im gewünschten Maße bestimmt wird.To adjust the position of the insulating bushings, their outer end faces are equipped with a ring gear with teeth that protrude outwards. In the groove 7, a ring gear 9 is inserted, which is guided on the outer flank of the groove and has such a large diameter that its teeth mesh with the teeth of the insulating bushings 8 that are facing outward. This ring gear 9 also has a corresponding toothing on its side facing away from the insulating bushes 8, which meshes with a toothing 13 of an adjusting bolt 10. This adjusting bolt is connected by a screw to an adjusting head 1 1, which is adjustable by means of a tool. This makes it possible to use a tool to actuate the adjusting head 11, which, with its toothing 13, adjusts the ring gear 9, which in turn engages in the end toothing of all insulating bushes 8 opening on the same side and adjusts them to the desired extent, so that the heat transfer in desired dimensions is determined.
Eine gleichartige Anordnung ist auf der Gegenseite vorgesehen: Hier wird ebenfalls ein Zahnkranz 14 durch einen Stellkopf 11 verdreht und verdreht seinerseits hierbei die Isolierbuchsen 8, die mit ihrer Stirnverzahnung in den Zahnkranz 14 eingreifen.A similar arrangement is provided on the opposite side: Here, too, a ring gear 14 is rotated by an adjusting head 11 and in turn rotates the insulating bushings 8, which engage with the ring gear 14 with their end teeth.
Die Anordnung ist einer größeren Anzahl von Varianten fähig. So kann bspw. der Stellkopf als flanschzapfenfester Führungskörper ausgebildet sein und der Stellvorgang durch formschlüssiges Betätigen der entsprechenden Schraube erfolgen. Es ist auch nicht erforderlich, die Einstellbolzen 10 nur jeweils einmal per Flanschzapfen 2 bzw. 3 vorzusehen, ebensowenig wie es erforderlich ist, diese achsparallel anzuordnen: Radial gestellte Einstellbolzen benötigen keine Zahnkränze, sondern nur einfache Stirnräder, so daß der Querschnitt der umlaufenden Nut 7 nicht beeinträchtigt wird. Auch die Form der Isolierbuchsen läßt sich weit wandeln, wobei wohl die einfachsten Form die dargestellte ist, bei der die Isolierbuchse an einer schrägen Fläche endet; es wäre aber auch möglich, bspw. durch einen Axialschnitt das Buchsenende aufzuteilen und eines der gebildeten Halbrohre zu entfernen. Schließlich kann auch die ganze Einsteilvorrichtung so ausgebildet werden, daß die Isolierbuchsen 8 in den Mündungsbereichen der peπpheren Bohrungen axial verschoben werden. In jedem Falle wird im Grenzbereich der Breite aufgelegter, zu bearbeitender Bahnen durch unterschiedlich weite, im Metall des Walzenkörpers zurückzulegende Wärmewege die Wärmezufuhr zum Mantel intensiviert oder gedrosselt, so daß die gewünschte Einstellung ermöglicht wird. The arrangement is capable of a larger number of variants. For example, the adjusting head can be designed as a flange-fixed guide body and the adjusting process can be carried out by positively actuating the corresponding screw. It is also not necessary to provide the adjusting bolts 10 only once per flange pin 2 or 3, just as little as it is necessary to arrange them axially parallel: Radially positioned adjusting bolts do not require sprockets, but only simple spur gears, so that the cross section of the circumferential groove 7 is not affected. The shape of the insulating bushes can also be changed widely, although the simplest form is the one shown, in which the insulating bush ends on an inclined surface; it would also be possible, for example, to split the socket end by an axial cut and to remove one of the half-tubes formed. Finally, the entire adjusting device can also be designed such that the insulating bushes 8 are axially displaced in the mouth regions of the peripheral bores. In any case, the supply of heat to the jacket is intensified or throttled in the limit region of the width of the webs to be machined by heat paths to be covered in the metal of the roller body, so that the desired setting is made possible.

Claims

Patentansprüche claims
1. Mittels eines Heizmediums flüssigen und/oder gasförmigen Aggregatzustandes beheizbare Kalanderwalze mit einem mit peripheren Bohrungen ausgestatteten Walzenkörper, der beidseitig mit Zu- und Ableitungen für das Heizmedium ausgestatteten Flanschzapfen versehen ist, und bei dem die jeweiligen Endbereiche der peripheren Bohrungen mit thermischen Isolierbuchsen bestückt sind, gekennzeichnet durch den Flanschzapfen (2, 3) zugeordnete Einstellvorrichtungen zur bestimmbaren Drehung und/oder Axialverschiebung der Isolierbuchsen (8).1.Calender roll which can be heated by means of a liquid and / or gaseous state of matter with a heating medium and which has a roll body equipped with peripheral bores, which is provided with inlet and outlet lines for the heating medium on both sides and in which the respective end regions of the peripheral bores are equipped with thermal insulating bushes , characterized by the flange pin (2, 3) assigned adjusting devices for the definable rotation and / or axial displacement of the insulating bushes (8).
2. Kalanderwalze nach Anspruch 1 , dadurch gekennzeichnet, daß die Isolierbuchsen (8) im Bereiche (12) ihrer inneren Enden sich nur über Teilkreise erstrecken.2. Calender roll according to claim 1, characterized in that the insulating bushes (8) in the areas (12) of their inner ends only extend over partial circles.
3. Kalanderwalze nach Ansprüchen 1 und 2, dadurch gekennzeichnet, daß in einem dem inneren Ende zugeordneten Bereiche (12) sich die Isolierbuchsen (8) nur über einen vorgegebenen Zentriwinkel erstrecken.3. Calender roll according to claims 1 and 2, characterized in that in a region (12) assigned to the inner end, the insulating bushes (8) extend only over a predetermined central angle.
4. Kalanderwalze nach Anspruch 3, dadurch gekennzeichnet, daß die Isolierbuchsen (8) im Bereiche (12) sich über eine zum inneren Ende abnehmenden Zentriwinkel erstrecken.4. Calender roll according to claim 3, characterized in that the insulating bushes (8) in the area (12) extend over a decreasing central angle to the inner end.
5. Kalanderwalze nach mindestens einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Isolierbuchsen (8) an ihrer äußeren Stirnseiten je mit einer Verzahnung ausgestattet sind, die mit der Verzahnung eines in einer umlaufenden Nut (7) des jeweils zugewandten Flanschzapfens (2, 3) angeordneten Zahnkranzes (9, 14) kämmt.5. calender roll according to at least one of claims 1 to 4, characterized in that the insulating bushes (8) are each equipped on their outer end faces with a toothing which meshes with the toothing of a ring gear (9, 14) arranged in a circumferential groove (7) of the respective facing flange pin (2, 3).
6. Kalanderwalze nach Anspruch 5, dadurch gekennzeichnet, daß die Flanschzapfen (2, 3) jeweils mindestens einen Einstellbolzen (10) aufweisen, dessen dem Walzenkörper (1) zugewandtes oder auf dessen Achse gerichtetes Ende einen Zahnkranz bzw. ein Zahnrad aufweisen. 6. Calender roll according to claim 5, characterized in that the flange pins (2, 3) each have at least one adjusting bolt (10), the end of the roll body (1) facing or directed on its axis have a ring gear or a gear.
EP00920459A 1999-03-05 2000-03-01 Heatable calender bowl Expired - Lifetime EP1159484B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19909647 1999-03-05
DE19909647 1999-03-05
PCT/EP2000/001731 WO2000053847A1 (en) 1999-03-05 2000-03-01 Heatable calender bowl

Publications (2)

Publication Number Publication Date
EP1159484A1 true EP1159484A1 (en) 2001-12-05
EP1159484B1 EP1159484B1 (en) 2003-07-16

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Family Applications (1)

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EP00920459A Expired - Lifetime EP1159484B1 (en) 1999-03-05 2000-03-01 Heatable calender bowl

Country Status (7)

Country Link
US (1) US7174949B1 (en)
EP (1) EP1159484B1 (en)
JP (1) JP4452409B2 (en)
AT (1) ATE245227T1 (en)
CA (1) CA2364958C (en)
DE (1) DE50002905D1 (en)
WO (1) WO2000053847A1 (en)

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See references of WO0053847A1 *

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Publication number Publication date
JP2002538332A (en) 2002-11-12
US7174949B1 (en) 2007-02-13
CA2364958C (en) 2008-02-12
EP1159484B1 (en) 2003-07-16
ATE245227T1 (en) 2003-08-15
DE50002905D1 (en) 2003-08-21
JP4452409B2 (en) 2010-04-21
WO2000053847A1 (en) 2000-09-14
CA2364958A1 (en) 2000-09-14

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