EP1997584A2 - Grinding assembly - Google Patents

Grinding assembly Download PDF

Info

Publication number
EP1997584A2
EP1997584A2 EP08150994A EP08150994A EP1997584A2 EP 1997584 A2 EP1997584 A2 EP 1997584A2 EP 08150994 A EP08150994 A EP 08150994A EP 08150994 A EP08150994 A EP 08150994A EP 1997584 A2 EP1997584 A2 EP 1997584A2
Authority
EP
European Patent Office
Prior art keywords
grinding
arrangement according
roll
shell
support strip
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
EP08150994A
Other languages
German (de)
French (fr)
Other versions
EP1997584A3 (en
EP1997584B1 (en
Inventor
Thomas Augscheller
Uwe Matuschczyk
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 Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Priority to PL08150994T priority Critical patent/PL1997584T3/en
Publication of EP1997584A2 publication Critical patent/EP1997584A2/en
Publication of EP1997584A3 publication Critical patent/EP1997584A3/en
Application granted granted Critical
Publication of EP1997584B1 publication Critical patent/EP1997584B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/363—Single-purpose machines or devices for grinding surfaces of revolution in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36—Single-purpose machines or devices
    • B24B5/37—Single-purpose machines or devices for grinding rolls, e.g. barrel-shaped rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/50—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings

Definitions

  • the invention relates to an arrangement for grinding the outer shell surface of a shoe press roll of a machine for producing and / or finishing a paper, cardboard or other fibrous web, wherein the shoe press roll has a flexible roll shell, which is pressed by a pressing element with concave pressing surface to a counter roll ,
  • shoe press rolls have been increasingly used for smoothing fibrous webs.
  • roll shells made of polymeric materials used as in the dewatering of the fibrous web.
  • the surface quality of the roll mantle is of crucial importance.
  • the object of the invention is therefore to extend the life of the roll shell with the simplest possible means and while ensuring the highest possible smoothing effect.
  • this object is achieved in that at least one grinding device with a, with the outer shell surface coming into contact grinding surface is axially traversable on the outer shell surface and the Roll shell on the inside opposite the grinding surface supported on a support bar.
  • the roll shell can be ground in the machine. This extends the life and makes disassembly of the roll shell unnecessary.
  • the support strip In order to enable a flexible contact pressure of the support strip over the length of the roll mantle, the support strip should be designed to be flexible at least in the radial direction (with respect to the roll mantle).
  • the support strip also consist of several axially juxtaposed elements.
  • the support strip should preferably be pressed by pneumatic actuators to the inside of the roll shell.
  • the flexible contact pressure in particular with compressed air, is intended to prevent an overpressing of the roll mantle or a clamping of the roll mantle between the support strip and the grinding surface.
  • the grinding surface should be pressed against the shell outer surface, which is possible because of the support strip.
  • the contact pressure should be between 5 and 50 kPa, preferably between 10 and 30 kPa.
  • the grinding device should be arranged in the 3 or 9 o'clock position of the roll shell.
  • the grinding surface can be formed by at least one rotating grinding element, for example a grinding stone or a grinding belt.
  • the abrasive surface should be formed by at least one static abrasive element, preferably a grid screen.
  • a quasi-static grinding element in the form of an abrasive belt may also be advantageous, which is wound up very slowly, preferably continuously, in order to ensure as uniform a grinding sharpness as possible.
  • the roll shell must be set in rotation at least during grinding by a drive.
  • the grinding device has at least two grinding surfaces of different roughness. In this way, machining with the rough and the fine grinding surface without conversion can start from the same grinding device.
  • the average surface roughness of the grinding surfaces should be between 0.1 and 1 .mu.m, preferably between 0.5 and 0.7 .mu.m.
  • the outer surface should be machined one after another with sanding surfaces with grit levels of 80, 120, 220 and 400.
  • the grinding device should have a discharge device for removing the grinding dust, preferably in the form of a suction device.
  • the grinding head 10 of the grinding device 6 is force-controlled by a pressing element 12 against the outer circumferential surface of the roll shell 4.
  • the grinding device 6 is arranged here in the 3 o'clock position of the roll mantle 4.
  • the actuator 13 as well as the contact pressure element 8 are supported on the support 7 of the shoe press roll 3.
  • the grinding device 6 is arranged axially traversable along the roll shell 4.
  • the roll shell 4 Since the grinding surfaces 9 are fixed here in the form of a grid screen, the roll shell 4 must be driven at least during grinding.
  • the rotation is to be chosen so that the speed of the outer circumferential surface of the roll shell 4 is between 800 and 1500 m / min.

Abstract

The assembly to grind the flexible outer mantle surfaces of a shoe press roller (3), in a papermaking machine and the like to produce and/or finish a web (1), has at least one grinder (6) with a grinding surface (9) pressed axially and with reciprocating movements against the mantle where its inner side is against a support (2).

Description

Die Erfindung betrifft eine Anordnung zum Schleifen der Mantelaußenfläche einer Schuhpresswalze einer Maschine zur Herstellung und/oder Veredlung einer Papier-, Karton- oder einer anderen Faserstoffbahn, wobei die Schuhpresswalze einen flexiblen Walzenmantel besitzt, welcher von einem Anpresselement mit konkaver Pressfläche zu einer Gegenwalze gedrückt wird.The invention relates to an arrangement for grinding the outer shell surface of a shoe press roll of a machine for producing and / or finishing a paper, cardboard or other fibrous web, wherein the shoe press roll has a flexible roll shell, which is pressed by a pressing element with concave pressing surface to a counter roll ,

In den letzten Jahren wurden zunehmend auch Schuhpresswalzen zur Glättung von Faserstoffbahnen eingesetzt. Dabei werden, wie bei der Entwässerung der Faserstoffbahn, Walzenmäntel aus polymeren Werkstoffen verwendet.In recent years, shoe press rolls have been increasingly used for smoothing fibrous webs. In this case, as in the dewatering of the fibrous web, roll shells made of polymeric materials used.

Für das Erreichen eines guten Glättergebnisses ist die Oberflächenqualität des Walzenmantels von entscheidender Bedeutung.To achieve a good smoothing result, the surface quality of the roll mantle is of crucial importance.

Im Betrieb kann es jedoch vorkommen, dass Walzenmäntel über die Bahnbreite ungleichmäßig verschleißen, beispielsweise durch abrasive Füllstoffe in der Faserstoffbahn. Dies kann im weiteren Verlauf zu einem ungleichmäßigen Satinageergebnis hinsichtlich Glanz und Glätte führen.In operation, however, it may happen that roll shells wear unevenly over the web width, for example, by abrasive fillers in the fibrous web. This can lead to a non-uniform calendering result in terms of gloss and smoothness in the further course.

Überschreitet der ungleichmäßige Verschleiß ein bestimmtes Niveau, so muss gegenwärtig der Walzenmantel durch einen Neuen ersetzt werden, was kosten- und zeitintensiv ist.If the uneven wear exceeds a certain level, it is currently necessary to replace the roll shell with a new one, which is costly and time-consuming.

Die Aufgabe der Erfindung ist es daher, die Lebensdauer des Walzenmantels mit möglichst einfachen Mitteln und bei Gewährleistung einer möglichst hohen Glättwirkung zu verlängern.The object of the invention is therefore to extend the life of the roll shell with the simplest possible means and while ensuring the highest possible smoothing effect.

Erfindungsgemäß wurde die Aufgabe dadurch gelöst, dass wenigstens eine Schleifvorrichtung mit einer, mit der Mantelaußenfläche in Kontakt kommenden Schleiffläche axial an der Mantelaußenfläche traversierbar ist und sich der Walzenmantel auf der Innenseite gegenüber der Schleiffläche an einer Stützleiste abstützt.According to the invention, this object is achieved in that at least one grinding device with a, with the outer shell surface coming into contact grinding surface is axially traversable on the outer shell surface and the Roll shell on the inside opposite the grinding surface supported on a support bar.

Auf diese Weise kann der Walzenmantel in der Maschine geschliffen werden. Dies verlängert die Lebensdauer und macht einen Ausbau des Walzenmantels überflüssig.In this way, the roll shell can be ground in the machine. This extends the life and makes disassembly of the roll shell unnecessary.

Während die Traversierbarkeit der Schleifvorrichtung den Aufwand vermindert, ermöglicht die Abstützung des flexiblen Walzenmantels mit der Stützleiste erst das genaue Schleifen.While the traversability of the grinding device reduces the effort, the support of the flexible roll mantle with the support strip allows only the exact grinding.

Um über die Länge des Walzenmantels eine flexible Anpressung der Stützleiste zu ermöglichen, sollte die Stützleiste zumindest in radialer Richtung (bezüglich des Walzenmantels) flexibel ausgebildet sein. Hierzu kann die Stützleiste auch aus mehreren, axial nebeneinander angeordneten Elemente bestehen.In order to enable a flexible contact pressure of the support strip over the length of the roll mantle, the support strip should be designed to be flexible at least in the radial direction (with respect to the roll mantle). For this purpose, the support strip also consist of several axially juxtaposed elements.

Dabei sollte die Stützleiste vorzugsweise über pneumatische Stellglieder an die Innenseite des Walzenmantels anpressbar sein. Die flexible Anpressung, insbesondere mit Druckluft, soll eine Überpressung des Walzenmantels bzw. ein Festklemmen des Walzenmantels zwischen Stützleiste und Schleiffläche verhindern.The support strip should preferably be pressed by pneumatic actuators to the inside of the roll shell. The flexible contact pressure, in particular with compressed air, is intended to prevent an overpressing of the roll mantle or a clamping of the roll mantle between the support strip and the grinding surface.

Wegen der Flexibilität des Walzenmantels und zur Intensivierung der Schleifwirkung sollte die Schleiffläche an die Mantelaußenfläche anpressbar sein, was wegen der Stützleiste möglich ist. Dabei sollte der Anpressdruck zwischen 5 und 50 kPa, vorzugsweise zwischen 10 und 30 kPa liegen.Because of the flexibility of the roll shell and to intensify the abrasive effect, the grinding surface should be pressed against the shell outer surface, which is possible because of the support strip. The contact pressure should be between 5 and 50 kPa, preferably between 10 and 30 kPa.

Diese Anpressung der Schleiffläche kann weggesteuert oder kraftgesteuert erfolgen. Insbesondere die kraftgesteuerte Anpressung ist jedoch für einen gleichmäßigen Abtrag während des Schleifens von Vorteil.This contact pressure of the grinding surface can be controlled away or force controlled. In particular, the force-controlled contact pressure is advantageous for a uniform removal during grinding.

Damit sich die Durchbiegung des Walzenmantels auf Grund des Eigengewichts möglichst wenig auf das Schleifergebnis auswirkt, sollte die Schleifvorrichtung in der 3 oder 9 Uhr-Position des Walzenmantels angeordnet sein.So that the deflection of the roll shell due to its own weight has as little effect on the grinding result, the grinding device should be arranged in the 3 or 9 o'clock position of the roll shell.

Dabei kann die Schleiffläche von zumindest einem rotierenden Schleifelement, beispielsweise einem Schleifstein oder einem Schleifband, gebildet werden.In this case, the grinding surface can be formed by at least one rotating grinding element, for example a grinding stone or a grinding belt.

Vorzugsweise sollte die Schleiffläche jedoch von wenigstens einem statischen Schleifelement, vorzugsweise einer Gitterleinwand gebildet werden. Vorteilhaft kann aber auch ein quasi-statisches Schleifelement in Form eines Schleifbandes sein, welches zur Gewährleistung einer möglichst gleichbleibenden Schleifschärfe sehr langsam, vorzugsweise kontinuierlich aufgewickelt wird.Preferably, however, the abrasive surface should be formed by at least one static abrasive element, preferably a grid screen. However, a quasi-static grinding element in the form of an abrasive belt may also be advantageous, which is wound up very slowly, preferably continuously, in order to ensure as uniform a grinding sharpness as possible.

Zur Gewährleistung einer ausreichend hohen Relativgeschwindigkeit zwischen dem statischen Schleifelement und Walzenmantel muss jedoch der Walzenmantel zumindest während des Schleifens von einem Antrieb in Rotation versetzt werden.To ensure a sufficiently high relative speed between the static grinding element and the roll shell, however, the roll shell must be set in rotation at least during grinding by a drive.

Der dafür nötige Antrieb sollte im Interesse der Kompaktheit innerhalb des Walzenmantels angeordnet werden. Eine optimale Schleifwirkung ergibt sich dabei, wenn die Geschwindigkeit der Mantelaußenfläche während des Schleifens zwischen 500 und 2000 m/min, vorzugsweise zwischen 800 und 1500 m/min liegt.The necessary drive should be arranged in the interest of compactness within the roll shell. An optimal grinding effect results when the speed of the outer shell surface during grinding between 500 and 2000 m / min, preferably between 800 and 1500 m / min.

Für das Erreichen der erforderlichen Oberflächengüte des Walzenmantels sollte dieser erst mit einer relativ rauen und danach mit einer feineren Schleiffläche bearbeitet werden. Dies kann in zwei Durchgängen mit verschiedenen Schleifflächen oder mit mehreren Schleifvorrichtungen erfolgen.To achieve the required surface quality of the roll shell this should be processed first with a relatively rough and then with a finer grinding surface. This can be done in two passes with different sanding surfaces or with multiple sanders.

Jedoch ist es von Vorteil, wenn die Schleifvorrichtung zumindest zwei Schleifflächen unterschiedlicher Rauhigkeit besitzt. Auf diese Weise kann von der gleichen Schleifvorrichtung eine Bearbeitung mit der rauen und der feinen Schleiffläche ohne Umrüsten ausgehen.However, it is advantageous if the grinding device has at least two grinding surfaces of different roughness. In this way, machining with the rough and the fine grinding surface without conversion can start from the same grinding device.

Dabei sollte die mittlere Rautiefe der Schleifflächen zwischen 0,1 und 1 µm, vorzugsweise zwischen 0,5 und 0,7 µm liegen.The average surface roughness of the grinding surfaces should be between 0.1 and 1 .mu.m, preferably between 0.5 and 0.7 .mu.m.

Unabhängig davon, ob das Schleifen mit einem oder mehreren Schleifvorrichtungen erfolgt, sollte die Außenmantelfläche jedoch mit Schleifflächen mit Körnungsstufen von 80, 120, 220 und 400 nacheinander bearbeitet werden.Regardless of whether the grinding is done with one or more sanding devices, the outer surface should be machined one after another with sanding surfaces with grit levels of 80, 120, 220 and 400.

Zur Gewährleistung einer möglichst hohen Glätte der Außenmantelfläche sollte eine Verschmutzung vermieden werden. Daher sollte die Schleifvorrichtung eine Abführeinrichtung zum Entfernen der Schleifstäube, vorzugsweise in Form einer Absaugeinrichtung besitzen.To ensure the highest possible smoothness of the outer surface area contamination should be avoided. Therefore, the grinding device should have a discharge device for removing the grinding dust, preferably in the form of a suction device.

Außerdem ist es vorteilhaft, wenn die Schleifvorrichtung eine Kühleinrichtung für den Walzenmantel besitzt. Da der aus Kunststoff bestehende, flexible Walzenmantel relativ wärmeempfindlich ist, sollte die durch das Schleifen entstehende Wärme abführt werden, wobei die Kühlung vorzugsweise mit Luft oder einem Fluid erfolgen sollte.Moreover, it is advantageous if the grinding device has a cooling device for the roll shell. Since the existing plastic, flexible roll shell is relatively sensitive to heat, the heat generated by the grinding should be dissipated, the cooling should preferably be done with air or a fluid.

Nachfolgend soll die Erfindung an einem Ausführungsbeispiel näher erläutert werden. In der beigefügten Zeichnung zeigt:

Figur 1:
einen schematischen Querschnitt durch eine Glättanordnung und
Figur 2:
einen Teilschnitt durch die Schleifvorrichtung 6.
The invention will be explained in more detail with reference to an exemplary embodiment. In the attached drawing shows:
FIG. 1:
a schematic cross section through a smoothing arrangement and
FIG. 2:
a partial section through the grinding device. 6

Zur Glättung wird die Faserstoffbahn 1 gemäß Figur 1 durch einen, von einer oberen Schuhpresswalze 3 und einer unteren, zylindrischen Gegenwalze 5 gebildeten Glättspalt geführt.For smoothing the fibrous web 1 according to FIG. 1 passed through a, formed by an upper shoe press roll 3 and a lower, cylindrical counter roll 5 Glättspalt.

Dabei besteht die Schuhpresswalze 3 einen flexiblen Walzenmantel 4, der von einem hydraulischen Anpresselement 8 mit konkaver Pressfläche zur Gegenwalze 5 hin gedrückt wird. Durch die konkave Pressfläche kommt es zur Bildung eines verlängerten Glättspaltes, was eine intensive, aber volumenschonende Glättung ermöglicht.Here, the shoe press roll 3 is a flexible roll shell 4, which is pressed by a hydraulic pressure element 8 with concave pressing surface to the counter roll 5 out. The concave pressing surface leads to the formation of an extended smoothing gap, which allows for an intensive, but volume-saving smoothing.

Da die erreichbare Glätte bei der Faserstoffbahn 1 wesentlich von der Glätte der Außenmantelfläche des Walzenmantels 4 abhängt, wird diese bei Bedarf von einer Schleifvorrichtung 6 glatt geschliffen.Since the achievable smoothness in the fibrous web 1 depends essentially on the smoothness of the outer circumferential surface of the roll shell 4, this is ground smooth if necessary by a grinding device 6.

Hierzu wird der Schleifkopf 10 der Schleifvorrichtung 6 von einem Presselement 12 kraftgesteuert gegen die Außenmantelfläche des Walzenmantels 4 gedrückt. Damit die Durchbiegung des Walzenmantels 4 das Schleifergebnis möglichst wenig beeinflusst, ist die Schleifvorrichtung 6 hier in der 3 Uhr-Position des Walzenmantels 4 angeordnet.For this purpose, the grinding head 10 of the grinding device 6 is force-controlled by a pressing element 12 against the outer circumferential surface of the roll shell 4. In order for the deflection of the roll mantle 4 to influence the grinding result as little as possible, the grinding device 6 is arranged here in the 3 o'clock position of the roll mantle 4.

Wegen der Flexibilität des Walzenmantels 4 stützt sich dieser an der Innenseite gegenüber dem Schleifkopf 10 auf einer Stützleiste 2 ab. Diese Stützleiste 2 besteht aus flexiblem Material und wird von einem pneumatischen Stellglied 13 über die Länge des Walzenmantels 4 flexibel zum Schleifkopf 10 gedrückt.Because of the flexibility of the roll shell 4, this is supported on the inside opposite the grinding head 10 on a support strip 2 from. This support strip 2 is made of flexible material and is pressed by a pneumatic actuator 13 over the length of the roll shell 4 flexible to the grinding head 10.

Das Stellglied 13 wie auch das Anpresselement 8 stützen sich am Träger 7 der Schuhpresswalze 3 ab.The actuator 13 as well as the contact pressure element 8 are supported on the support 7 of the shoe press roll 3.

Die Schleifvorrichtung 6 ist axial entlang dem Walzenmantel 4 traversierbar angeordnet.The grinding device 6 is arranged axially traversable along the roll shell 4.

Bei der in Figur 2 dargestellten Lösung besitzt der Schleifkopf 10 zwei zum Walzenmantel 4 gerichtete Schleifflächen 9a,9b mit unterschiedlicher Rauhigkeit. Zuerst wird der Mantelbereich mit der raueren 9b und anschließend mit der feineren 9a Schleiffläche bearbeitet.At the in FIG. 2 As shown solution has the grinding head 10 two directed to the roll shell 4 grinding surfaces 9a, 9b with different roughness. First, the mantle area is machined with the rougher 9b and then with the finer 9a grinding surface.

Wenn, wie in Figur 2 gezeigt, die beiden Schleifflächen 9a,9b axial nebeneinander angeordnet sind, so bewegt sich die Schleifvorrichtung 6 während des Schleifens in einer von der feineren Schleiffläche 9a zur raueren Schleiffläche 9b weisenden Richtung.If, as in FIG. 2 2, the two grinding surfaces 9a, 9b are arranged axially next to one another, the grinding device 6 moves during grinding in a direction pointing from the finer grinding surface 9a to the rougher grinding surface 9b.

Unabhängig von der Art und Anzahl der Schleifflächen 9 sollte der Schleifkopf 10 den Raum mit den Schleifflächen 9 gegenüber der Umgebung abgrenzen, was durch elastische Dichtungen 14 zwischen dem Schleifkopf 10 und dem Walzenmantel 4 noch verbessert werden kann.Regardless of the type and number of grinding surfaces 9, the grinding head 10 should delimit the space with the grinding surfaces 9 from the environment, which can be improved by elastic seals 14 between the grinding head 10 and the roll shell 4.

Da die Schleifflächen 9 hier in Form einer Gitterleinwand feststehend sind, muss der Walzenmantel 4 zumindest während des Schleifens angetrieben werden. Dabei ist die Rotation so zu wählen, dass die Geschwindigkeit der Außenmantelfläche des Walzenmantels 4 zwischen 800 und 1500 m/min liegt.Since the grinding surfaces 9 are fixed here in the form of a grid screen, the roll shell 4 must be driven at least during grinding. The rotation is to be chosen so that the speed of the outer circumferential surface of the roll shell 4 is between 800 and 1500 m / min.

Die mittlere Rautiefe der Schleifflächen 9 beträgt zwischen 0,5 und 0,7 µm.
Der Schleifkopf 10 ist des Weiteren über einen Anschluss 11 mit einer Saugeinrichtung verbunden. Deren Unterdruck bewirkt die Absaugung der Schleifstäube und der vom Schleifen erwärmten Luft.The mean roughness of the grinding surfaces 9 is between 0.5 and 0.7 microns.
The grinding head 10 is further connected via a connection 11 with a suction device. Their negative pressure causes the extraction of the grinding dust and the air heated by the grinding.

Claims (12)

Anordnung zum Schleifen der Mantelaußenfläche einer Schuhpresswalze (3) einer Maschine zur Herstellung und/oder Veredlung einer Papier-, Karton- oder einer anderen Faserstoffbahn (1), wobei die Schuhpresswalze (3) einen flexiblen Walzenmantel (4) besitzt, welcher von einem Anpresselement (8) mit konkaver Pressfläche zu einer Gegenwalze (5) gedrückt wird, dadurch gekennzeichnet, dass
wenigstens eine Schleifvorrichtung (6) mit einer, mit der Mantelaußenfläche in Kontakt kommenden Schleiffläche (9) axial an der Mantelaußenfläche traversierbar ist und sich der Walzenmantel (4) auf der Innenseite gegenüber der Schleiffläche (9) an einer Stützleiste (2) abstützt.Arrangement for grinding the outer shell surface of a shoe press roll (3) of a machine for producing and / or finishing a paper, cardboard or other fibrous web (1), wherein the shoe press roll (3) has a flexible roll shell (4), which of a pressing element (8) is pressed with concave pressing surface to a counter-roller (5), characterized in that
at least one grinding device (6) having a grinding surface (9) which comes into contact with the casing outer surface is axially traversable on the casing outer surface and the roll casing (4) is supported on the inside against the grinding surface (9) on a support strip (2). Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass
die Stützleiste (2) zumindest in radialer Richtung flexibel ausgebildet ist.Arrangement according to claim 1, characterized in that
the support strip (2) is flexible at least in the radial direction. Anordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass
die Stützleiste (2) vorzugsweise über pneumatische Stellglieder (13) an die Innenseite des Walzenmantels (4) anpressbar ist.Arrangement according to claim 1 or 2, characterized in that
the support strip (2) preferably via pneumatic actuators (13) to the inside of the roll shell (4) can be pressed. Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
die Schleiffläche (9) an die Mantelaußenfläche anpressbar ist.Arrangement according to one of the preceding claims, characterized in that
the grinding surface (9) can be pressed against the casing outer surface. Anordnung nach Anspruch 4, dadurch gekennzeichnet, dass
die Anpressung kraftgesteuert erfolgt.Arrangement according to claim 4, characterized in that
the contact pressure is force-controlled. Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
die Schleifvorrichtung (6) in der 3 oder 9 Uhr-Position des Walzenmantels (4) angeordnet ist.Arrangement according to one of the preceding claims, characterized in that
the grinding device (6) is arranged in the 3 or 9 o'clock position of the roll mantle (4). Anordnung nach einem der vorhergehenden Ansprüchen, dadurch gekennzeichnet, dass
die Schleiffläche (9) von zumindest einem rotierenden Schleifelement gebildet wird.Arrangement according to one of the preceding claims, characterized in that
the grinding surface (9) is formed by at least one rotating grinding element. Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
die Schleiffläche (9) von wenigstens einem statischen Schleifelement gebildet wird und der Walzenmantel (4) einen vorzugsweise innen liegenden Antrieb besitzt.Arrangement according to one of the preceding claims, characterized in that
the grinding surface (9) is formed by at least one static grinding element and the roll mantle (4) has a preferably internal drive. Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass
die Geschwindigkeit der Mantelaußenfläche während des Schleifens zwischen 500 und 2000 m/min, vorzugsweise zwischen 800 und 1500 m/min liegt.Arrangement according to claim 8, characterized in that
the speed of the outer shell surface during grinding is between 500 and 2000 m / min, preferably between 800 and 1500 m / min. Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
die Schleifvorrichtung (6) zumindest zwei Schleifflächen (9) unterschiedlicher Rauhigkeit besitzt.Arrangement according to one of the preceding claims, characterized in that
the grinding device (6) has at least two grinding surfaces (9) of different roughness. Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
die mittlere Rautiefe der Schleifflächen zwischen 0,1 und 1 µm, vorzugsweise zwischen 0,5 und 0,7 µm liegt.Arrangement according to one of the preceding claims, characterized in that
the average surface roughness of the grinding surfaces is between 0.1 and 1 μm, preferably between 0.5 and 0.7 μm. Anordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass
die Schleifvorrichtung (6) eine Abführeinrichtung zum Entfernen der Schleifstäube, vorzugsweise in Form einer Absaugeinrichtung besitzt.Arrangement according to one of the preceding claims, characterized in that
the grinding device (6) has a discharge device for removing the grinding dust, preferably in the form of a suction device.
EP08150994A 2007-05-26 2008-02-04 Grinding assembly Not-in-force EP1997584B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08150994T PL1997584T3 (en) 2007-05-26 2008-02-04 Grinding assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007024810A DE102007024810A1 (en) 2007-05-26 2007-05-26 grinding system

Publications (3)

Publication Number Publication Date
EP1997584A2 true EP1997584A2 (en) 2008-12-03
EP1997584A3 EP1997584A3 (en) 2009-03-04
EP1997584B1 EP1997584B1 (en) 2010-05-05

Family

ID=39577864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08150994A Not-in-force EP1997584B1 (en) 2007-05-26 2008-02-04 Grinding assembly

Country Status (4)

Country Link
EP (1) EP1997584B1 (en)
AT (1) ATE466689T1 (en)
DE (2) DE102007024810A1 (en)
PL (1) PL1997584T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103949476A (en) * 2014-04-24 2014-07-30 邯钢集团邯宝钢铁有限公司 Method for fast predicting grinding quantity of support roller of hot rolled plate strip rolling mill

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103358197A (en) * 2013-07-22 2013-10-23 天长市天力液压机械有限责任公司 Rubber roll grinding machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518460A (en) * 1981-01-27 1985-05-21 J.M. Voith Gmbh Press roll for web material
DE29915022U1 (en) * 1999-08-27 1999-10-21 Schmoetzer Hubert Device for the material-removing processing of the lateral surface of cylindrical rollers of a printing press
EP1316643A2 (en) * 2001-11-12 2003-06-04 Mitsubishi Heavy Industries, Ltd. Calender for a sheet of paper
WO2006134234A2 (en) * 2005-06-17 2006-12-21 Metso Paper, Inc. Method for grinding a variable crown roll

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518460A (en) * 1981-01-27 1985-05-21 J.M. Voith Gmbh Press roll for web material
DE29915022U1 (en) * 1999-08-27 1999-10-21 Schmoetzer Hubert Device for the material-removing processing of the lateral surface of cylindrical rollers of a printing press
EP1316643A2 (en) * 2001-11-12 2003-06-04 Mitsubishi Heavy Industries, Ltd. Calender for a sheet of paper
WO2006134234A2 (en) * 2005-06-17 2006-12-21 Metso Paper, Inc. Method for grinding a variable crown roll

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103949476A (en) * 2014-04-24 2014-07-30 邯钢集团邯宝钢铁有限公司 Method for fast predicting grinding quantity of support roller of hot rolled plate strip rolling mill

Also Published As

Publication number Publication date
ATE466689T1 (en) 2010-05-15
DE502008000609D1 (en) 2010-06-17
EP1997584A3 (en) 2009-03-04
DE102007024810A1 (en) 2008-11-27
PL1997584T3 (en) 2010-10-29
EP1997584B1 (en) 2010-05-05

Similar Documents

Publication Publication Date Title
EP0405185B1 (en) Apparatus for roughing a laminate surface
DE3805350C2 (en)
EP1997584B1 (en) Grinding assembly
DE4026021C2 (en) Press section of a paper machine
EP0273093B1 (en) Process and apparatus for making a non-elastic, impervious and flexible pressure belt, particularly for the wet press of a paper-making machine
EP3891333B1 (en) Roll and method for producing a roll
WO2002051585A2 (en) Device for grinding an external sleeve surface
EP1146152B1 (en) Support disc with a caouchouc ring for a disc bearing holding a spinning rotor
EP0826819B1 (en) Apparatus for dewatering a fibre suspension
DE2713464B2 (en) Device for the production of corrugated cardboard
DE10115670C1 (en) Device for cleaning the surface (s) of a moving material web
EP0400573A1 (en) Method and apparatus for the manufacture of an endless belt coated on both sides
EP4204625A1 (en) Control of a fibre treatment device
EP1362950A1 (en) Process and apparatus for dewatering a fibrous web
EP1837438A2 (en) Machine for manufacturing sheet material, in particular paper or cardboard, and method for treating the surface of a conveyor belt in a machine for producing sheet material
DE10239402B4 (en) Roller grinding apparatus and method for grinding a roller
EP1870514A2 (en) Conveyor belt for a machine for the production of sheet material and method for the production of such a conveyor belt
WO2011098284A2 (en) Method and device for applying a surface layer to a roller and use of said method and device
DE19654194B4 (en) Endless press cover for a pressing device
EP0779391B1 (en) Method for milling paper fibres
EP4110552B1 (en) Polishing tool
DE3515265C2 (en)
DE102005000094A1 (en) Winding core for sheet of fibrous material, e.g. paper, comprises drum with casing having openings for application of reduced pressure to core interior to guide initial strip of sheet efficiently onto core
DE212016000259U1 (en) Press belt, arrangement in a long nip and production system of a press belt
EP4305237A1 (en) Doctor blade and roll device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

17P Request for examination filed

Effective date: 20090904

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REF Corresponds to:

Ref document number: 502008000609

Country of ref document: DE

Date of ref document: 20100617

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20100505

LTIE Lt: invalidation of european patent or patent extension

Effective date: 20100505

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100816

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100805

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

REG Reference to a national code

Ref country code: PL

Ref legal event code: T3

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100905

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100602

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20110208

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502008000609

Country of ref document: DE

Effective date: 20110207

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100806

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20110214

Year of fee payment: 4

Ref country code: PL

Payment date: 20110124

Year of fee payment: 4

Ref country code: FR

Payment date: 20110302

Year of fee payment: 4

Ref country code: DE

Payment date: 20110218

Year of fee payment: 4

Ref country code: FI

Payment date: 20110214

Year of fee payment: 4

BERE Be: lapsed

Owner name: VOITH PATENT G.M.B.H.

Effective date: 20110228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20110228

Year of fee payment: 4

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20120204

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120229

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120205

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120229

Ref country code: FI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120204

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20121031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120204

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502008000609

Country of ref document: DE

Effective date: 20120901

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120204

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120229

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110204

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120901

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100505

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100805

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100505

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 466689

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130204

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130204

Ref country code: PL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130204

REG Reference to a national code

Ref country code: PL

Ref legal event code: LAPE