EP3551799B1 - Method for converting a roller assembly for treating a fiber web - Google Patents

Method for converting a roller assembly for treating a fiber web Download PDF

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Publication number
EP3551799B1
EP3551799B1 EP17791076.7A EP17791076A EP3551799B1 EP 3551799 B1 EP3551799 B1 EP 3551799B1 EP 17791076 A EP17791076 A EP 17791076A EP 3551799 B1 EP3551799 B1 EP 3551799B1
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Prior art keywords
stand
plate
component
additional
shaped part
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EP17791076.7A
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German (de)
French (fr)
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EP3551799A1 (en
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Daniel Junginger
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Voith Patent GmbH
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Voith Patent GmbH
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Priority to PL17791076T priority Critical patent/PL3551799T3/en
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    • 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
    • D21G1/0226—Bearings
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls

Definitions

  • the invention relates to a method for converting a roller unit for treating a fibrous web within a paper or board machine, in which roller unit at least two rollers, the roller bearings of which are mounted on machined bearing surfaces of at least one stand with the aid of fitting elements, such as feather key connections are brought into contact with the fibrous web in the operating state, towards a converted roller unit with additional elements, which functions differently from the (original) roller unit.
  • roller units within a paper or board machine in which at least two rollers are in contact with the fibrous web during operation. This includes, for example, calenders, smoothing units or presses. Such roller units are, for example, from the scriptures CH 624 592 and DE 20 2013 102999 known. Should there be production-related changes in the functionality of this type of unit and, as a result, a retrofit, the stands often have to be removed and provided with new machining or reference surfaces in a workshop. This takes a relatively long time in which the paper or board machine cannot produce and the operator experiences an enormous economic loss.
  • roller unit In both examples, an improved and new mode of operation of the roller unit is obtained, but the disadvantages of the long production downtime are often unacceptable.
  • the roller unit would have to be replaced by a completely new roller unit including new stands, piping and cabling, which usually drives the conversion work to an uneconomical level.
  • components are mounted on the existing stands, which allow further additional units to be connected and thus the stand to be reused.
  • existing reference surfaces machined surfaces
  • fitting elements such as feather keys, dowel pins, grooves or fixing wedges of the existing bearing housings of the application or size press rollers should be used for alignment. This enables exact positioning of the adapter plates and thus ensures exact alignment of the new additional units with the roller, in this case an applicator roller.
  • the same recesses and / or elevations are used as those in the removed bearing housing.
  • the fitting elements arranged on the side opposite the support side are preferably introduced in an analogous position to the support surface of the stand.
  • the component has a plate-shaped part.
  • the plate-shaped part is placed horizontally on the stand.
  • the plate-shaped part can then have a thickness of 50 mm, for example, and thus, as a new support for the roller bearings, ensure that the overall height of the roller assembly does not increase significantly.
  • a further plate in particular at right angles, is also attached to the plate-shaped part and is provided for fastening the additional units.
  • the further plate can also be integrated directly in the plate-shaped part. This can be achieved, for example, by means of a bent sheet.
  • the plate-shaped part and the further plate preferably have stiffening plates.
  • the load of the additional units is absorbed with the stiffening plates. Due to the movement of the additional units, these forces can also have dynamic components, so that the stiffening plate can help to avoid vibrations.
  • the method preferably relates to the conversion from a size press to a film press.
  • an existing size press 30 is converted to a film press 31.
  • Fig. 1 shows the roller unit 1 of a size press 30 with two rollers 3, 4, which are mounted in roller bearings 5, 6. Of course, such roller bearings are located on both sides of the fibrous web 2.
  • the fibrous web 2 to be treated is guided from above into the nip of the two rollers 3, 4, in this case so-called application rollers.
  • the glue sump is located between roller 3, 4 and fibrous web 2.
  • roller bearings 5, 6 are fixed with fitting elements 11 in a fixed position on the support surface 12 of the stand 7.
  • the existing stand 7 of the size press 30 Fig. 1 has no attachment options for other additional units 8, in this case application units according to a film press 31 Fig. 2 .
  • the rollers 3, 4 with their bearing housings 5, 6 are detached from the stand 7 and raised.
  • the space between components 10 are now attached to the chair with a plate-shaped part 18, which have corresponding fitting elements 11.
  • the components 10 also have at least one further plate 19 with a machined additional surface 15 on which the additional units 8 required for the conversion, which also include the film press rollers, are in exact spatial reference can be attached to the roller bearing position, and thus offer recording options for mounting application units of a film press 31.
  • the plate-shaped part 18 and the at least one further plate can also be made in one piece. This can preferably be done by means of a bent or angled sheet. The angle will often be around 90 °, but other angles are possible depending on the application.
  • Stiffening plates 20 can be provided to stabilize the component during movements of the additional units 8 in rotary bearings possibly attached to the additional surfaces 15.
  • the components 10 are mounted with their plate-shaped part 18 under the roller bearings 5, 6 and use the machined surfaces of the chair located there as a reference.
  • the order of whether the components 10 are first attached to the stand 7 or first to the roller bearing 5, 6 is irrelevant to the invention. This is shown schematically in Fig. 3 explained. After the component 10 has been attached to the stand 7, the roller bearings 5, 6 are attached to the side 14 opposite the support side 13.
  • Fig. 3 It indicates the state in which the roller 3, 4 with its roller bearing 5, 6 has been lifted off.
  • the roller bearing 5, 6 has fitting elements 11, in this exemplary embodiment a groove 17.1, which is arranged opposite (in this case vertically above) a groove 17.2 in the stator 7.
  • a key 16.2 was located in these grooves 17.1 and 17.2 before the rollers 3, 4 were raised, so that the bearing was in a predetermined position relative to the stand.
  • the component 10, which has a plate-shaped part 18, is now inserted between the bearing housing 5, 6 and the stand 7.
  • this plate-shaped part 18 grooves are also milled into the machined support side 13 and the machined side 14 opposite the support side, into which a feather key 16.1 and 16.2 are already inserted.
  • the number of fitting elements can of course vary and be adapted to the circumstances.

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  • Rolls And Other Rotary Bodies (AREA)
  • Paper (AREA)
  • Coating Apparatus (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Umbau eines Walzenaggregats zur Behandlung einer Faserstoffbahn innerhalb einer Papier- oder Kartonmaschine, bei welchem Walzenaggregat zumindest zwei Walzen, deren Walzenlager auf bearbeiteten Auflageflächen wenigstens eines Ständers unter Zuhilfenahme von Passelementen, wie beispielsweise Passfeder-Nut-Verbindungen, positionsgenau angebracht sind, im Betriebszustand in Kontakt mit der Faserstoffbahn gebracht sind, hin zu einem umgebauten Walzenaggregat mit Zusatzelementen, das eine andere Funktionsweise als das (ursprüngliche) Walzenaggregat ausübt.The invention relates to a method for converting a roller unit for treating a fibrous web within a paper or board machine, in which roller unit at least two rollers, the roller bearings of which are mounted on machined bearing surfaces of at least one stand with the aid of fitting elements, such as feather key connections are brought into contact with the fibrous web in the operating state, towards a converted roller unit with additional elements, which functions differently from the (original) roller unit.

Es gibt zahlreiche Walzenaggregate innerhalb einer Papier- oder Kartonmaschine, bei denen zumindest zwei Walzen im Betrieb Kontakt mit der Faserstoffbahn haben. Darunter fallen beispielsweise Kalander, Glättwerke oder Pressen. Solche Walzenaggregate sind beispielsweise aus den Schriften CH 624 592 und DE 20 2013 102999 bekannt. Sollte es bei dieser Art von Aggregaten zu produktionsbedingten Änderungswünschen in der Funktionsweise und dadurch bedingt zu einem Umbau kommen, so müssen häufig die Ständer ausgebaut und in einer Werkstatt mit neuen Bearbeitungs- bzw. Bezugsflächen versehen werden. Dies nimmt relativ viel Zeit in Anspruch, in der die Papier- oder Kartonmaschine nicht produzieren kann und der Betreiber einen enormen wirtschaftlichen Verlust erfährt.There are numerous roller units within a paper or board machine in which at least two rollers are in contact with the fibrous web during operation. This includes, for example, calenders, smoothing units or presses. Such roller units are, for example, from the scriptures CH 624 592 and DE 20 2013 102999 known. Should there be production-related changes in the functionality of this type of unit and, as a result, a retrofit, the stands often have to be removed and provided with new machining or reference surfaces in a workshop. This takes a relatively long time in which the paper or board machine cannot produce and the operator experiences an enormous economic loss.

Man kann sich beispielsweise vorstellen, dass an einem Kalanderständer Zusatzaggregate wie beispielsweise Befeuchtungs- oder Induktionsheizgeräte angebracht werden müssen, die einen exakt eingestellten Abstand zur Faserstoffbahn haben müssen. Für solche Zusatzaggregate müssen dann genau positionierte Befestigungsflächen an dem Ständer gefräst werden.One can imagine, for example, that additional units such as moistening or induction heating devices must be attached to a calender stand, which must have a precisely set distance from the fibrous web. For such additional units, precisely positioned fastening surfaces must then be milled on the stand.

Vielfach kommt es vor, dass Betreiber von Papierfabriken eine vorhandene Leimpresse in eine Filmpresse umrüsten wollen. Dieser Wunsch ergibt sich aus den technischen Grenzen der Leimpressen. Bei den Leimpressen besteht eine höhere Abrissgefahr, eine ungenauere Dosiermöglichkeit des Leimauftrags und in der Regel eine zu hohe Befeuchtung der Faserstoffbahn, was zu Problemen führen kann. Bei einem Umbau auf eine moderne Filmpresse entsteht der gleiche Nachteil wie bei dem vorgenannten Kalander, nur in noch viel deutlicherem Maß. Es muss nämlich seitlich der beiden Walzen eine Vielzahl von Zusatzaggregaten an dem Ständer angebracht werden, wozu beispielsweise die Halterungen der Filmpresswalzen, Spritzwasserrinnen, Hebelsysteme und Dosiersysteme gehören. Auch hier wäre die nachträgliche Bearbeitung der Walzenständer enorm aufwändig.It often happens that operators of paper mills want to convert an existing size press into a film press. This wish arises from the technical limits of the size press. With the size presses, there is a higher risk of tearing, less precise metering of the size application and generally too high moistening of the fibrous web, which can lead to problems. When converting to a modern film press, the same disadvantage arises as with the aforementioned calender, only to a much clearer degree. This is because a large number of additional units must be attached to the stand to the side of the two rollers, which includes, for example, the holders of the film press rollers, spray water channels, lever systems and metering systems. Here, too, the subsequent processing of the roll stands would be enormously complex.

Man erhält zwar in beiden Beispielen eine verbesserte und neue Funktionsweise des Walzenaggregats, aber die Nachteile des langen Produktionsausfalls sind vielfach nicht hinnehmbar. Alternativ müsste das Walzenaggregat durch ein komplett neues Walzenaggregat inklusive neuer Ständer, Verrohrung und Verkabelung ersetzt werden, was die Umbaumaßnahmen in der Regel in unwirtschaftliche Höhe treibt.In both examples, an improved and new mode of operation of the roller unit is obtained, but the disadvantages of the long production downtime are often unacceptable. Alternatively, the roller unit would have to be replaced by a completely new roller unit including new stands, piping and cabling, which usually drives the conversion work to an uneconomical level.

Es ist deshalb die Aufgabe der Erfindung ein Verfahren aufzuzeigen, mit dem der Umbauvorgang eines vorhandenen Ständers deutlich beschleunigt werden kann.It is therefore the object of the invention to show a method with which the conversion process of an existing stand can be significantly accelerated.

Die Aufgabe wird durch die Merkmale des Anspruchs 1 und insbesondere dadurch gelöst, dass

  • zunächst zumindest ein Walzenlager von seiner bearbeiteten Auflagefläche am Ständer beabstandet wird,
  • weiterhin auf die bearbeitete Auflagefläche ein Bauteil aufgesetzt und fixiert wird, dessen Auflageseite auf der Auflagefläche geeignete Aussparungen und/oder Erhebungen für Passelemente und auf dessen der Auflageseite gegenüberliegenden Seite ebenfalls Passelemente für das Lagergehäuse eingebracht sind,
  • und vorher, gleichzeitig oder nachher das beabstandete Walzenlager auf der der Auflageseite gegenüberliegenden Seite des Bauteils als neuer Auflagefläche positioniert und fixiert wird,
  • wobei das Bauteil vor dem Einbau mit weiteren bearbeiteten Zusatzflächen versehen wurde, an die positionsgenau die für die neue Funktionsweise notwendigen Zusatzaggregate angebracht werden.
The object is achieved by the features of claim 1 and in particular in that
  • at least one roller bearing is spaced from its machined bearing surface on the stand,
  • Furthermore, a component is placed and fixed on the machined support surface, the support side of which is suitable on the support surface Recesses and / or elevations for fitting elements and fitting elements for the bearing housing are also introduced on the side opposite the support side,
  • and before, at the same time or afterwards, the spaced roller bearing is positioned and fixed as a new bearing surface on the side of the component opposite the bearing side,
  • the component was provided with further machined additional surfaces prior to installation, to which the additional units required for the new mode of operation are attached in a precise position.

Durch diesen Vorgang wird der Umbau des Walzenaggregats erheblich verkürzt. Man schafft quasi schon im Vorfeld zu dem Umbau ein Bauteil, das die Bezugs- und Zusatzflächen für die Zusatzaggregate in genauer Relation zu den Walzenpositionen aufweist. Der Umbau erfolgt dann so, dass die Walzenlager einfach mit dem Bauteil unterlegt werden und damit die Zusatzflächen für die Zusatzaggregate ebenfalls in der richtigen Lage vorhanden sind.This process significantly shortens the conversion of the roller unit. In advance of the retrofit, a component is created that has the reference and additional surfaces for the additional units in exact relation to the roller positions. The conversion then takes place in such a way that the roller bearings are simply underlaid with the component and the additional surfaces for the additional units are also in the correct position.

Am Beispiel des Umbaus einer Leimpresse zu einer Filmpresse werden also Bauteile an den bestehenden Ständern montiert, die es erlauben, weitere Zusatzaggregate anzubinden und somit eine Wiederverwendung des Ständers. Hierfür sollen vorhandene Referenzflächen (bearbeitete Flächen) und Passelemente, wie Passfedern, Passstifte, Nuten oder Fixierkeile der vorhandenen Lagergehäuse der Auftrags- oder Leimpresswalzen zur Ausrichtung verwendet werden. Dies ermöglicht eine genaue Positionierung der Adapterplatten und stellt so eine exakte Ausrichtung der neuen Zusatzaggregate zur Walze, in diesem Fall einer Auftragwalze, sicher.Using the example of converting a size press to a film press, components are mounted on the existing stands, which allow further additional units to be connected and thus the stand to be reused. For this purpose, existing reference surfaces (machined surfaces) and fitting elements such as feather keys, dowel pins, grooves or fixing wedges of the existing bearing housings of the application or size press rollers should be used for alignment. This enables exact positioning of the adapter plates and thus ensures exact alignment of the new additional units with the roller, in this case an applicator roller.

Vorteilhafterweise können z.B. für die geeigneten Aussparungen und/oder Erhebungen auf der Auflagefläche die gleichen Aussparungen und/oder Erhebungen verwendet werden, wie sie das entfernte Lagergehäuse aufweist.Advantageously, e.g. for the suitable recesses and / or elevations on the support surface, the same recesses and / or elevations are used as those in the removed bearing housing.

Bevorzugt werden die auf der der Auflageseite gegenüberliegenden Seite angeordneten Passelemente in analoger Lage wie bei der Auflagefläche des Ständers eingebracht.The fitting elements arranged on the side opposite the support side are preferably introduced in an analogous position to the support surface of the stand.

Dadurch erspart man sich Bearbeitungsschritte am Lagergehäuse, weil es auf dem Bauteil in gleicher Weise fixiert werden kann wie ehemals auf der Auflagefläche des Ständers. In der Regel befindet sich das Lagergehäuse dann senkrecht oberhalb seiner vorherigen Position.This saves machining steps on the bearing housing, because it can be fixed to the component in the same way as it used to be on the support surface of the stand. As a rule, the bearing housing is then vertically above its previous position.

Es ist von Vorteil, wenn das Bauteil einen plattenförmigen Teil aufweist.It is advantageous if the component has a plate-shaped part.

Und besonders bevorzugt ist, dass der plattenförmige Teil waagrecht auf dem Ständer aufgelegt wird.And it is particularly preferred that the plate-shaped part is placed horizontally on the stand.

Der plattenförmige Teil kann dann beispielsweise eine Dicke von 50 mm haben und somit als neue Unterlage für die Walzenlager dafür sorgen, dass die Gesamthöhe des Walzenaggregats nicht wesentlich zunimmt.The plate-shaped part can then have a thickness of 50 mm, for example, and thus, as a new support for the roller bearings, ensure that the overall height of the roller assembly does not increase significantly.

Bevorzugt wird an dem plattenförmigen Teil auch eine insbesondere rechtwinkelig angesetzte weitere Platte angebracht, die für die Befestigung der Zusatzaggregate vorgesehen ist.Preferably, a further plate, in particular at right angles, is also attached to the plate-shaped part and is provided for fastening the additional units.

Alternativ kann die weitere Platte auch direkt in dem plattenförmigen Teil integriert sein. Dies kann zum Beispiel mittels eines gebogenen Blechs realisiert sein.Alternatively, the further plate can also be integrated directly in the plate-shaped part. This can be achieved, for example, by means of a bent sheet.

Damit wird es möglich, auf einfache und platzsparende Weise seitlich des Ständers in einem von der Faserstoffahn unberührten Bereich Zusatzaggregate zu befestigen oder unterzubringen.This makes it possible, in a simple and space-saving manner, to attach or accommodate additional units to the side of the stand in an area unaffected by the fiber stock.

Vorzugsweise weisen der plattenförmige Teil und die weitere Platte Versteifungsbleche auf.The plate-shaped part and the further plate preferably have stiffening plates.

Mit den Versteifungsblechen wird die Last der Zusatzaggregate abgefangen. Diese Kräfte können aufgrund der Bewegung der Zusatzaggregate auch dynamische Anteile haben, so dass das Versteifungsblech dazu beitragen kann, Schwingungen zu vermeiden.The load of the additional units is absorbed with the stiffening plates. Due to the movement of the additional units, these forces can also have dynamic components, so that the stiffening plate can help to avoid vibrations.

Es ist von Vorteil, zumindest einen Teil der Zusatzaggregate gemeinsam mit dem Bauteil am Ständer zu fixieren.It is advantageous to fix at least some of the additional units together with the component on the stand.

Das bedeutet, das Bauteil wird bereits vor seinem Einbau mit Zusatzaggregaten ausgerüstet und sobald die Walze von dem Ständer beabstandet ist, als komplette Zusatzeinheit zeitsparend am Ständer befestigt. Erst danach wird das Walzenlager auf das Bauteil gesetzt, wo es die Passelemente in der gleichen Anordnung findet, wie vorher am Ständer.This means that the component is already equipped with additional units before it is installed and, as soon as the roller is spaced from the stand, is fastened to the stand as a complete additional unit to save time. Only then is the roller bearing placed on the component, where it finds the fitting elements in the same arrangement as before on the stand.

Bevorzugt bezieht sich das Verfahren auf den Umbau von einer Leimpresse auf eine Filmpresse.The method preferably relates to the conversion from a size press to a film press.

Die Erfindung soll anhand eines Ausführungsbeispiels unter Berücksichtigung der Figuren näher erläutert werden. Dabei zeigen

  • Fig. 1 das Walzenaggregat in Form einer Leimpresse vor ihrem Umbau zu einer Filmpresse und
  • Fig. 2 das Walzenaggregat als umgebaute Filmpresse jeweils in der Seitenansicht, und
  • Fig. 3 ein Beispiel für Passelemente an den Bezugsflächen Ständerplattenförmiger Teil und plattenförmiger Teil-Lagergehäuse in stark schematischer Darstellung.
The invention will be explained in more detail using an exemplary embodiment taking into account the figures. Show
  • Fig. 1 the roller unit in the form of a size press before being converted into a film press and
  • Fig. 2 the roller unit as a converted film press in each case in the side view, and
  • Fig. 3 an example of fitting elements on the reference surfaces stand plate-shaped part and plate-shaped part-bearing housing in a highly schematic representation.

Im dargestellten Ausführungsbeispiel wird eine bestehende Leimpresse 30 auf eine Filmpresse 31 umgerüstet.In the illustrated embodiment, an existing size press 30 is converted to a film press 31.

Fig. 1 zeigt das Walzenaggregat 1 einer Leimpresse 30 mit zwei Walzen 3, 4, die in Walzenlagern 5, 6 gelagert sind. Selbstverständlich befinden sich derartige Walzenlager auf beiden Seiten der Faserstoffbahn 2. Die zu behandelnde Faserstoffbahn 2 wird nach einer Faserbahnumlenkung 22 von oben in den Walzenspalt der zwei Walzen 3, 4, in diesem Fall sogenannten Auftragswalzen, geführt. In den Zwickeln oberhalb des Kontaktpunktes und unterhalb der bekannten Dosiereinrichtungen 21 für den Leim befindet sich der Leimsumpf zwischen Walze 3, 4 und Faserstoffbahn 2. Fig. 1 shows the roller unit 1 of a size press 30 with two rollers 3, 4, which are mounted in roller bearings 5, 6. Of course, such roller bearings are located on both sides of the fibrous web 2. After a fibrous web deflection 22, the fibrous web 2 to be treated is guided from above into the nip of the two rollers 3, 4, in this case so-called application rollers. In the gussets above the contact point and below the known metering devices 21 for the glue, the glue sump is located between roller 3, 4 and fibrous web 2.

Die Walzenlager 5, 6 stehen mit Passelementen 11 in einer festgelegten Position fixiert auf der Auflagefläche 12 des Ständers 7. Der bestehende Ständer 7 der Leimpresse 30 gemäß Fig. 1 hat keinerlei Befestigungsmöglichkeiten für weitere Zusatzaggregate 8, in diesem Fall Auftragwerke einer Filmpresse 31 gemäß Fig. 2.The roller bearings 5, 6 are fixed with fitting elements 11 in a fixed position on the support surface 12 of the stand 7. According to the existing stand 7 of the size press 30 Fig. 1 has no attachment options for other additional units 8, in this case application units according to a film press 31 Fig. 2 .

Für den Umbau der Leimpresse 30 gemäß Fig. 1 auf eine Filmpresse 31 gemäß Fig. 2 werden die Walzen 3, 4 mit ihren Lagergehäusen 5, 6 vom Ständer 7 gelöst und angehoben. In den Zwischenraum werden nun Bauteile 10 mit einem plattenförmigen Teil 18 an der Stuhlung befestigt, die entsprechende Passelemente 11 aufweisen. Die Bauteile 10 besitzen außerdem wenigstens eine weitere Platte 19 mit einer bearbeiteten Zusatzfläche 15, an der die zum Umbau benötigten Zusatzaggregate 8, zu denen auch die Filmpresswalzen gehören, in exaktem räumlichen Bezug zur Walzenlagerposition befestigt werden können, und bieten somit Aufnahmemöglichkeiten zum Montieren von Auftragwerken einer Filmpresse 31.For the conversion of the size press 30 according to Fig. 1 according to a film press 31 Fig. 2 the rollers 3, 4 with their bearing housings 5, 6 are detached from the stand 7 and raised. In the space between components 10 are now attached to the chair with a plate-shaped part 18, which have corresponding fitting elements 11. The components 10 also have at least one further plate 19 with a machined additional surface 15 on which the additional units 8 required for the conversion, which also include the film press rollers, are in exact spatial reference can be attached to the roller bearing position, and thus offer recording options for mounting application units of a film press 31.

In alternativen Ausführungen könnenn das plattenförmige Teil 18 sowie die wenigstens eine weitere Platte auch einstückig realisiert sein. Dies kann vorzugsweise mittels eines gebogenen, bzw. abgewinkelten Blechs geschehen. Der Winkel wird hierbei häufig in etwa 90° betragen, jedoch sind je nach Anwendung auch andere Winkel möglich.In alternative embodiments, the plate-shaped part 18 and the at least one further plate can also be made in one piece. This can preferably be done by means of a bent or angled sheet. The angle will often be around 90 °, but other angles are possible depending on the application.

Zur Stabilisierung des Bauteils bei Bewegungen der Zusatzaggregate 8 in möglicherweise an den Zusatzflächen 15 angebrachten Drehlagern können Versteifungsbleche 20 vorgesehen sein.Stiffening plates 20 can be provided to stabilize the component during movements of the additional units 8 in rotary bearings possibly attached to the additional surfaces 15.

Die Bauteile 10 werden mit ihrem plattenförmigen Teil 18 unter den Walzenlagern 5, 6 montiert und verwenden die dort befindlichen bearbeiten Flächen der Stuhlung als Referenz. Die Reihenfolge, ob die Bauteile 10 zunächst an dem Ständer 7 oder zuerst am Walzenlager 5, 6 befestigt werden, spielt für die Erfindung keine Rolle. Dies wird schematisch noch in Fig. 3 erläutert. Nach der Befestigung des Bauteils 10 auf dem Ständer 7 werden die Walzenlager 5, 6 auf der der Auflageseite 13 gegenüberliegenden Seite 14 befestigt.The components 10 are mounted with their plate-shaped part 18 under the roller bearings 5, 6 and use the machined surfaces of the chair located there as a reference. The order of whether the components 10 are first attached to the stand 7 or first to the roller bearing 5, 6 is irrelevant to the invention. This is shown schematically in Fig. 3 explained. After the component 10 has been attached to the stand 7, the roller bearings 5, 6 are attached to the side 14 opposite the support side 13.

Dies erläutert Fig. 3. Es wird dort der Zustand angedeutet, in dem die Walze 3, 4 mit ihrem Walzenlager 5, 6 abgehoben wurde. Das Walzenlager 5, 6 besitzt Passelemente 11, in diesem Ausführungsbeispiel eine Nut 17.1, die gegenüber (in diesem Fall senkrecht oberhalb) einer Nut 17.2 im Ständer 7 angeordnet ist. In diesen Nuten 17.1 und 17.2 befand sich vor der Anhebung der Walzen 3, 4 eine Passfeder 16.2, so, dass sich das Lager gegenüber dem Ständer in einer vorgegebenen Position befand.This explains Fig. 3 . It indicates the state in which the roller 3, 4 with its roller bearing 5, 6 has been lifted off. The roller bearing 5, 6 has fitting elements 11, in this exemplary embodiment a groove 17.1, which is arranged opposite (in this case vertically above) a groove 17.2 in the stator 7. A key 16.2 was located in these grooves 17.1 and 17.2 before the rollers 3, 4 were raised, so that the bearing was in a predetermined position relative to the stand.

Zwischen das Lagergehäuse 5, 6 und den Ständer 7 wird nun das Bauteil 10 eingeschoben, das einen plattenförmigen Teil 18 besitzt. In diesem plattenförmigen Teil 18 sind an der bearbeiteten Auflageseite 13 und der bearbeiteten der Auflageseite gegenüberliegenden Seite 14 ebenfalls Nuten eingefräst, in die bereits jeweils eine Passfeder 16.1 bzw. 16.2 eingelegt sind. Die Anzahl der Passelemente kann selbstverständlich variieren und den Gegebenheiten angepasst sein.The component 10, which has a plate-shaped part 18, is now inserted between the bearing housing 5, 6 and the stand 7. In this plate-shaped part 18, grooves are also milled into the machined support side 13 and the machined side 14 opposite the support side, into which a feather key 16.1 and 16.2 are already inserted. The number of fitting elements can of course vary and be adapted to the circumstances.

Nach dem Zusammenfahren und Fixieren von Walzenlagern 5,6, Bauteil 10 und Ständer 7 ist das Lager 5,6 in einer ebenfalls zum Ständer festgelegten Position, genau wie vorher, nur eben um die Bauteildicke höher gelegt. Da an dem Bauteil aber eine bearbeitete, in diesem Ausführungsbeispiel senkrecht zum plattenförmigen Teil stehende Zusatzfläche 15 vorgesehen ist, gibt es eine neue Befestigungsfläche für Zusatzaggregate 8 mit genauer Referenz zum Walzenlager. Es lassen sich also beispielsweise Auftragwerke einer Filmpresse 31 in der erforderlichen Genauigkeit anbringen. Vielfach kann man weitere Zeit für den Umbau einsparen, indem die Zusatzflächen 15 beim Einbau der Bauteile 10 bereits mit Zusatzaggregaten 8 bestückt sind.After the roller bearings 5, 6, component 10 and stand 7 have been moved together and fixed, the bearing 5, 6 is in a position also fixed to the stand, just as before, only just increased by the component thickness. However, since a machined additional surface 15, which in this exemplary embodiment is perpendicular to the plate-shaped part, is provided on the component, there is a new fastening surface for additional units 8 with precise reference to the roller bearing. It is therefore possible, for example, to apply application units of a film press 31 with the required accuracy. In many cases, additional time for the conversion can be saved by the additional surfaces 15 already being equipped with additional units 8 when the components 10 are installed.

BezugszeichenlisteReference list

11
WalzenaggregatRoller unit
22nd
FaserstoffbahnFibrous web
33rd
Walze 1Roller 1
44th
Walze 2Roller 2
55
Walzenlager 1Roller bearing 1
66
Walzenlager 2Roller bearing 2
77
StänderStand
88th
ZusatzaggregatAdditional unit
1010th
BauteilComponent
1111
PasselementFitting element
1212th
AuflageflächeContact surface
1313
AuflageseiteEdition page
1414
der Auflageseite gegenüberliegende Seiteside opposite the support side
1515
ZusatzflächeAdditional area
16, 16.1, 16.216, 16.1, 16.2
PassfederAdjusting spring
17, 17.1, 17.217, 17.1, 17.2
Aussparung, NutRecess, groove
1818th
plattenförmiger Teilplate-shaped part
1919th
weitere Platteanother plate
2020
VersteifungsblechStiffening plate
2121
LeimdosierungGlue dosing
2222
FaserbahnumlenkungFiber web deflection
3030th
Leimpresse (Walzenaggregat)Size press (roller unit)
3131
Filmpresse (umgebautes Walzenaggregat mit Zusatzelementen)Film press (converted roller unit with additional elements)

Claims (8)

  1. Method for converting a roll assembly for treating a fibrous web (2) within a paper or board machine, in which roll assembly (1, 30) at least two rolls (3, 4), the rolling bearings (5, 6) of which are fitted in an accurate position on machined support surfaces (12) of at least one stand (7) with the aid of fitting elements (11) such as keyed joints, are brought into contact with the fibrous web (2) in the operating state,
    to a converted roll assembly (31) having additional elements (8), which carries out a different function from the roll assembly (1, 30)
    - wherein firstly at least one roll bearing (5, 6) is arranged at a distance from its machine support surface (12) on the stand (7),
    - whereupon a component (10) is placed on the machine support surface (12) and fixed, the support side (13) of which has suitable recesses and/or elevations (16, 17) on the support surface for fitting elements (11), and fitting elements (11) for the bearing housing (5, 6) are likewise introduced on its side (14) opposite the support side,
    - previously, simultaneously or subsequently, the roll bearing (5, 6) arranged at a distance is positioned and fixed on the side (14) of the component (10) that is opposite the support side,
    - wherein, before the installation, the component (10) has been provided with further additional machined surfaces (15), to which the additional assemblies (8) necessary for the new function are fitted in an accurate position.
  2. Method according to Claim 1, characterized in that the fitting elements (11) arranged on the side (14) opposite the support side are introduced in an analogous position to the support surface (12) of the stand (7).
  3. Method according to either of Claims 1 and 2, characterized in that the component (10) has a plate-shaped part (18).
  4. Method according to Claim 3, characterized in that the plate-shaped part (18) is placed parallel to the machined support surface (12), in particular horizontally on the stand (7).
  5. Method according to either of Claims 3 and 4, characterized in that a further plate (19), which is provided for the fixing of the additional assemblies (8), is also provided on the plate-shaped part (18), in particular attached at right angles.
  6. Method according to Claim 5, characterized in that the plate-shaped part (18) and the further plate (19) have a stiffening metal sheet (20).
  7. Method according to one of Claims 1 to 6, characterized in that at least some of the additional assemblies (8) are fixed to the stand (7) together with the component (10).
  8. Method according to one of Claims 1 to 7, characterized in that the method relates to the conversion of a size press (30) to a film press (31).
EP17791076.7A 2016-12-06 2017-10-26 Method for converting a roller assembly for treating a fiber web Active EP3551799B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17791076T PL3551799T3 (en) 2016-12-06 2017-10-26 Method for converting a roller assembly for treating a fiber web

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016123545.8A DE102016123545B4 (en) 2016-12-06 2016-12-06 Process for the conversion of a roll aggregate for the treatment of a fibrous web
PCT/EP2017/077464 WO2018103947A1 (en) 2016-12-06 2017-10-26 Method for converting a roller assembly for treating a fiber web

Publications (2)

Publication Number Publication Date
EP3551799A1 EP3551799A1 (en) 2019-10-16
EP3551799B1 true EP3551799B1 (en) 2020-07-22

Family

ID=60186296

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17791076.7A Active EP3551799B1 (en) 2016-12-06 2017-10-26 Method for converting a roller assembly for treating a fiber web

Country Status (5)

Country Link
EP (1) EP3551799B1 (en)
CN (1) CN110036154B (en)
DE (1) DE102016123545B4 (en)
PL (1) PL3551799T3 (en)
WO (1) WO2018103947A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH624592A5 (en) * 1978-02-07 1981-08-14 Escher Wyss Ag
DE10228113A1 (en) * 2002-06-24 2004-01-15 Voith Paper Patent Gmbh Process for converting a machine for producing and treating a material web, preferably made of paper or cardboard, and correspondingly converted machine with a contactless application device instead of a size press
DE102011107786A1 (en) * 2010-11-03 2012-05-03 Sms Meer Gmbh Rolling mill, rolling stand and method for changing rolling stands in a rolling mill
DE102010061903A1 (en) * 2010-11-24 2012-05-24 Metso Paper, Inc. Module for fiber web processing machine for manufacturing e.g. paper, has tape loop whose length is set in specific manner such that tape rests in mounted state over preset length against backing roll of fiber web processing machine
CN103362152B (en) * 2012-04-09 2015-06-17 中冶赛迪工程技术股份有限公司 Method for transforming roller way foundation
FI10237U1 (en) * 2012-09-14 2013-09-25 Metso Paper Inc Arrangements for reducing vibrations in a device of a fiber web machine
DE202014104981U1 (en) * 2014-10-20 2014-11-05 Valmet Technologies, Inc. Arrangement for retrofitting a fiber web machine with an application for a treatment medium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3551799A1 (en) 2019-10-16
CN110036154B (en) 2021-08-06
WO2018103947A1 (en) 2018-06-14
DE102016123545B4 (en) 2019-02-07
PL3551799T3 (en) 2020-12-28
CN110036154A (en) 2019-07-19
DE102016123545A1 (en) 2018-06-07

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