EP1285752B1 - Driving member for rotating component integral with a printing machine - Google Patents

Driving member for rotating component integral with a printing machine Download PDF

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Publication number
EP1285752B1
EP1285752B1 EP02025765A EP02025765A EP1285752B1 EP 1285752 B1 EP1285752 B1 EP 1285752B1 EP 02025765 A EP02025765 A EP 02025765A EP 02025765 A EP02025765 A EP 02025765A EP 1285752 B1 EP1285752 B1 EP 1285752B1
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EP
European Patent Office
Prior art keywords
motor
rotating component
clutch
drive according
drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02025765A
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German (de)
French (fr)
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EP1285752A2 (en
EP1285752A3 (en
Inventor
Anton Weis
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Koenig and Bauer AG
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Koenig and Bauer AG
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Publication of EP1285752A2 publication Critical patent/EP1285752A2/en
Publication of EP1285752A3 publication Critical patent/EP1285752A3/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/004—Electric or hydraulic features of drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/008—Mechanical features of drives, e.g. gears, clutches

Definitions

  • the invention relates to a drive for a rotating component of a printing press according to the preamble of claim 1.
  • a drive for a rotating component is known from DE 195 39 984 C2 Motor is flanged to a side frame of a rotary printing press. By means of a Detachable clutch, this motor is connected to a drive shaft, which via a Gear chain drives several cylinders.
  • DE 198 03 557 C2 discloses a drive for a rotating component Printing press with a motor, which is used for the purpose of engaging and disengaging the rotating Component is axially movable from the drive to the rotating component.
  • WO 98 51 497 A2 discloses a drive for a rotating component by means of a position and / or speed controlled motor, the torque via a propeller shaft and torsionally stiff couplings, compensating angular deviations from the motor to the rotating component is transmitted.
  • DE-OS 17 61 199 discloses a method and a device for changing a forme cylinder, in which one on the drive side on a pin of the cylinder attacking clutch is remotely released and by means of a fine stop motor Coupling is withdrawn from the pin, the fine stop motor also for the Control of the page register is used.
  • the invention has for its object a drive of a rotating component To create printing press.
  • the drive fulfills several tasks for a rotating component.
  • decoupling from Drive and rotating component for example for the purpose of relative rotation to each other or for disengaging.
  • a printing press in particular with Gravure printing machine
  • a mutual cancellation Penetration possible, as is the case, for example, with a printing press, in particular with Gravure printing machine, for the exchange of a forme cylinder is required.
  • a releasable coupling and the linear movable drive in connection with a pressure and tensile loadable second, usually enables non-releasable coupling.
  • the rotating component for example the Forme cylinder of a gravure printing machine, for correction purposes, in particular for Adjustment of the page register; to move in its axial direction.
  • the rotating component is driven directly and therefore without it Gear play of a gear.
  • a joint connection assigned to the drive ensures that the motor and the rotating arrangement are not exactly aligned Component a low-wear drive.
  • the drawing shows a schematic representation of a drive for a rotating one Component of a printing press.
  • a rotating component 01 e.g. B. a cylinder 01 or a roller 01 one Rotary printing press, in particular a forme cylinder 01 of a printing press for the Gravure printing, has a pin 02 on the end face, by means of which the cylinder 01 in one Side frame 03 of a printing press is stored in a bearing 04.
  • the camp 04 can for example, a rolling bearing.
  • the bearing 04 can, if the cylinder 01 in its radial direction should be changeable, also represent an eccentric bearing 04.
  • the bearing 04 is designed so that a relative movement between side frame 03 and pin 02 in the axial direction of cylinder 01 is possible.
  • the bearing 04 and / or the side frame 03 can be removed for easier removal of the cylinder 01 to one side of its circumference open so that the Cylinder 01 with its pin 02, for example upwards, from the side frame 03 is removable.
  • the pin 02 of the cylinder 01 is in the operating state by means of a first, releasable Coupling 06 and a second coupling 07 compensating for angular deviations, for. B. an articulated connection 07 connected to an axis 08 of a motor 09.
  • the engine 09 drives the cylinder 01 during production and, if necessary, during setup of the Printing machine in rotation.
  • the motor 09 is coaxial an axis of rotation R01 of the rotating component 01.
  • Axis 08 or Shaft 08 of motor 09 can preferably be designed as a rotor 08 of motor 09.
  • the motor 09 is arranged on a guide 11 and by means of an actuator 12, e.g. a second motor 12 linearly almost parallel to the axial direction of the cylinder 01 movable.
  • the releasable coupling 06 which in Operating state connects the pin 02 torsionally rigid with the hinge connection 07 is in advantageous embodiment non-positively and preloaded in the operating state or self-locking and switchable.
  • the clutch 06 is designed as a spring 14 prestressed clamping elements 16 on a cooperating clamping bushing 17 educated.
  • the coupling 06 can be released by using a medium under pressure, for example a pressure medium such as oil in particular, via a channel 18 in one Housing 19 of the coupling 06 between the housing 19 and an axially displaceable Piston 21 is pressed.
  • the springs 14 are thereby against their bias pressed together and relieve the acting together with the clamping sleeve 17 Clamping elements 16.
  • star washers 16 can be used as clamping elements 16 Find use.
  • the clutch 06 can also be switched in another way Coupling, for example as a cone, disc, electromagnetic or Fluid coupling must be executed.
  • the clutch 06 is on its side facing away from the cylinder 01 with the second Coupling 07, in the example connected to a first joint 22 of the joint connection 07.
  • the articulated connection 07 as a double joint 07 with the first Joint 22, a shaft 23 and a second joint 24 formed, which may occurring angles and / or an offset between a rotation axis R08 of the axis 08 of the motor 09 and an axis of rotation R01 of the cylinder 01 compensates.
  • the latter in particular also when the cylinder 01 is supported in a position that can be changed radially, for example for printing on or off.
  • the joints 22 and 24 can e.g.
  • a line which conveys the pressure medium and is connected to the channel 18 becomes 26, for example a hose 26, passed through the double joint 07. in the For example, the line 26 is carried out centrally through the shaft 23.
  • the second joint 24 is on the end face and centered with respect to the axis of rotation R08 Axis 08 of motor 09 connected.
  • the arrangement is advantageously made Coupling 06 and articulated connection 07 through one from axis 08 to pin 02 extending cover 27 encapsulated.
  • the axis 08 of the motor 09 has on its rotating outer surface a pulse generator 28 which interacts with a sensor, not shown, and whose angular position provides information about the rotational position and / or the Rotation speed of the cylinder 01 there.
  • the Pulse generator 28 on the circumference of the rotating first clutch 06 or the second Coupling 07 itself, in the example on the circumference of a second joint 22, and end face 29 of the coupling 07, which cooperates with the axis 08.
  • the axis 08 has a, preferably centrally arranged, bore 31 through which the pressure medium reaches the clutch 06 via the line 26.
  • the supply of the pressure medium is thus for actuating the clutch 06 in a simple manner, for example via a Rotary inlet 32 through the axis 08 of the motor 09 and via the line 26 to the channel 18 of the clutch 06 eligible.
  • Axle 08 is advantageously mounted in motor 09 by means of a radial bearing, not shown, which also has a force component in axial direction, almost parallel to the axis of rotation R08, e.g. by means of a Angular bearing, so that an axial relative movement between axis 08 and motor 09 is prevented.
  • the stator mounted on the guide 11 and the rotor or the axis 08 cannot be moved axially relative to one another.
  • the engine 09 is preferably an over its rotation angle controlled or position controlled electric motor 09.
  • the motor 09 is approximately parallel to the axis of rotation R08 linear in one Movement direction B movable by means of the guide 11, for example on a carrier 33 arranged.
  • the carrier 33 is stationary with respect to the Side frame 03, and the guide 11 is designed as a linear guide 11.
  • the leadership 11 between motor 09 and support 33 can, for example, as a flat or Dovetail guidance should be carried out, with the smoothest possible Movement in the preferred direction predetermined by the direction of movement B and play-free seating in all other directions must be ensured. Show for this the feet 34 arranged on the motor 09 and acting together with the guide 11 or the guide 11 itself, for example, circulation bearings, not shown here.
  • the motor 09 is in the example by the second motor 12 via a screw drive 36, e.g. a threaded spindle 36 with a trapezoidal thread, linear in the direction of movement B displaceable.
  • the threaded spindle 36 is in engagement with a motor 09 arranged, and with respect to the motor 09 fixed internal thread.
  • the internal thread can be part of a nut 37 attached to the motor 09.
  • Thread play occurring between threaded spindle 36 and nut 37 can for example, a second, adjustable nut arranged, or some other arrangement be hit.
  • the threaded spindle 36 is rotatably but fixedly arranged with respect to the carrier 33 and is carried out in an advantageous embodiment via a second clutch 38, for example a Angle deviations compensating universal joint coupling, between an axis 39 of the Motor 12 and the threaded spindle 36 driven directly.
  • the motor 12 is regulated via its rotational position, which means that the Motor 09 in the direction of movement B enables. Positioning can also be done via transducers take place on the threaded spindle 36.
  • the drive of the Threaded spindle 36 can also be done via a gear, with corresponding Precautions against possible thread play must be taken.
  • An entire travel path S of the threaded spindle 36 has, in an advantageous embodiment, starting from a zero position N, in the direction facing away from cylinder 01 at least the length I13 of the part of the pin 02 protruding into the coupling 06 on.
  • the clutch 06 is first released by acting on the clutch 06 with the pressure medium.
  • the cylinder 01 is now freely rotatable about its axis of rotation R01 or can be moved linearly along the axis of rotation R01 relative to the coupling 06.
  • the motor 09 with the articulated connection 07 and the coupling 06 by means of the Move motor 12 and the threaded spindle 36 at least by the length I13. The It is no longer necessary to apply pressure to the clutch 06, the clutch 06 can be relieved of the pressure medium, and the cylinder 01 removed or replaced become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Transmission Devices (AREA)
  • Electrophotography Configuration And Component (AREA)

Abstract

The rotating part (1) is driven by a motor (9) which is locally variable by a servo drive (12). In the engaged state the first coupling (6) can be compressed and strained in the axial direction of the rotating part. The journal (2) of the rotating part and the axis (8) of the motor are connected together as regards movement with at least one component parallel to a rotational axis of the rotating part by means of a second coupling which compensates any angular deviations. Independent claim describes method of separating drive from rotating part in that first the coupling is released by remote control and then the motor is moved linearly by a servo drive in a direction with at least one component parallel to the rotational axis of rotating part

Description

Die Erfindung betrifft einen Antrieb eines rotierenden Bauteils einer Druckmaschine gemäß dem Oberbegriff des Anspruches 1.The invention relates to a drive for a rotating component of a printing press according to the preamble of claim 1.

Durch die DE 195 39 984 C2 ist ein Antrieb für ein rotierendes Bauteil bekannt, wobei ein Motor an ein Seitengestell einer Rotationsdruckmaschine angeflanscht ist. Mittels einer lösbaren Kupplung ist dieser Motor mit einer Antriebswelle verbunden, welche über eine Zahnräderkette mehrere Zylinder antreibt.A drive for a rotating component is known from DE 195 39 984 C2 Motor is flanged to a side frame of a rotary printing press. By means of a Detachable clutch, this motor is connected to a drive shaft, which via a Gear chain drives several cylinders.

Die DE 198 03 557 C2 offenbart einen Antrieb für ein rotierendes Bauteil einer Druckmaschine mit einem Motor, der zwecks Ein- bzw. Auskuppeln des rotierenden Bauteiles vom Antrieb axial zum rotierenden Bauteil bewegbar ist.DE 198 03 557 C2 discloses a drive for a rotating component Printing press with a motor, which is used for the purpose of engaging and disengaging the rotating Component is axially movable from the drive to the rotating component.

Eine Anordnung für einen Elektromotor zum Antrieb eines Drehkörpers ist durch die EP 07 22 831 B1 bekannt, wobei zur Seitenregisterverstellung der mit dem Drehkörper direkt verbundene Rotor relativ zum Stator linear verschiebbar, und bei größerem Bedarf an seitlicher Verschiebung auch der Stator selbst nachführbar ist.An arrangement for an electric motor for driving a rotating body is through the EP 07 22 831 B1 known, the side register adjustment with the rotating body directly connected rotor can be moved linearly relative to the stator, and for larger requirements the stator itself can also be adjusted at the lateral displacement.

Die WO 98 51 497 A2 offenbart einen Antrieb für ein rotierendes Bauteil mittels eines lage- und/oder drehzahlgeregelten Motors, wobei das Drehmoment über eine Gelenkwelle und drehsteife Kupplungen, Winkelabweichungen ausgleichend vom Motor auf das rotierende Bauteil übertragen wird.WO 98 51 497 A2 discloses a drive for a rotating component by means of a position and / or speed controlled motor, the torque via a propeller shaft and torsionally stiff couplings, compensating angular deviations from the motor to the rotating component is transmitted.

Durch die DE 44 36 628 C1 ist es bekannt, bei einem Antrieb für ein rotierendes Bauteil einer Druckmaschine eine Kupplung vorzusehen, welche Winkelabweichungen ausgleicht und welche Axialkräfte überträgt. From DE 44 36 628 C1 it is known for a drive for a rotating component to provide a printing press with a coupling which compensates for angular deviations and which axial forces transmits.

Die DE-OS 17 61 199 offenbart ein Verfahren und eine Vorrichtung zum auswechseln eines Formzylinders, bei dem eine antriebsseitig an einem Zapfen des Zylinders angreifende Kupplung fernbetätigt gelöst wird und mittels eines Feinstoppmotors die Kupplung von dem Zapfen abgezogen wird, wobei der Feinstoppmotor auch für die Steuerung des Seitenregisters dient.DE-OS 17 61 199 discloses a method and a device for changing a forme cylinder, in which one on the drive side on a pin of the cylinder attacking clutch is remotely released and by means of a fine stop motor Coupling is withdrawn from the pin, the fine stop motor also for the Control of the page register is used.

Der Erfindung liegt die Aufgabe zugrunde, einen Antrieb eines rotierenden Bauteils einer Druckmaschine zu schaffen.The invention has for its object a drive of a rotating component To create printing press.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruches 1 gelöst.The object is achieved by the features of claim 1.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass der Antrieb für ein rotierendes Bauteil mehrere Aufgaben erfüllt. Zum einen kann ein Entkoppeln von Antrieb und rotierendem Bauteil, beispielsweise zum Zwecke einer relativen Verdrehung zueinander oder für das Auskuppeln, erfolgen. Zum zweiten ist auch ein vollständiges Trennen von Motor und rotierendem Bauteil, d.h. eine Aufhebung einer gegenseitigen Durchdringung möglich, wie es beispielsweise bei einer Druckmaschine, insbesondere bei Tiefdruckmaschine, für den Austausch eines Formzylinders erforderlich ist. Vorteilhafter Weise wird dies durch das Zusammenspiel einer lösbaren Kupplung und des linear verfahrbaren Antriebes in Verbindung mit einer druck- und zugbelastbaren zweiten, i.d.R. nicht lösbaren Kupplung ermöglicht. Zum dritten ist es durch den Antrieb möglich, beispielsweise während des Druckvorganges das rotierende Bauteil, beispielsweise den Formzylinder einer Tiefdruckmaschine, zu Korrekturzwecken, insbesondere zur Verstellung des Seitenregisters; in seiner axialen Richtung zu verschieben. The advantages that can be achieved with the invention are, in particular, that the drive fulfills several tasks for a rotating component. For one thing, decoupling from Drive and rotating component, for example for the purpose of relative rotation to each other or for disengaging. Second, there is also a complete one Separation of motor and rotating component, i.e. a mutual cancellation Penetration possible, as is the case, for example, with a printing press, in particular with Gravure printing machine, for the exchange of a forme cylinder is required. Favorable This is made possible by the interaction of a releasable coupling and the linear movable drive in connection with a pressure and tensile loadable second, usually enables non-releasable coupling. Thirdly, with the drive it is possible for example during the printing process the rotating component, for example the Forme cylinder of a gravure printing machine, for correction purposes, in particular for Adjustment of the page register; to move in its axial direction.

In vorteilhafter Weise erfolgt der Antrieb des rotierenden Bauteils direkt und damit ohne Zahnradspiel eines Getriebes. Eine dem Antrieb zugeordnete Gelenkverbindung gewährleistet auch bei nicht exakt fluchtender Anordnung von Motor zu rotierendem Bauteil einen verschleißarmen Antrieb. Mit einer drehsteifen Ausbildung der Gelenkverbindung und der Anordnung eines Impulsgebers in der Nähe des rotierenden Bauteiles auf der Motorachse werden die Anforderungen an eine feste relative Drehlage zwischen Motor bzw. einem Impulsgeber und dem rotierendem Bauteil gewährleistet. Vorteilhaft ist die Ausbildung der Gelenkverbindung in der Weise, dass in axialer Richtung des rotierenden Bauteils Zug- und Druckkräfte aufgenommen werden können. Weiterhin vorteilhaft ist, dass die genannten Relativbewegungen elektronisch steuerbar, zumindest jedoch ohne Werkzeug und ohne, dass der Motor oder der Antrieb von der Druckmaschine zu entfernen ist, ausführbar sind. Ebenso ist von Vorteil, dass auch der Vorgang des Ein- und Entkuppelns fembetätigbar erfolgt, wobei die Versorgung für den Schaltvorgang mit einem Druckmittel durch den Motor, insbesondere längs der Rotorachse des Motors, und den Antrieb hindurch erfolgt.Advantageously, the rotating component is driven directly and therefore without it Gear play of a gear. A joint connection assigned to the drive ensures that the motor and the rotating arrangement are not exactly aligned Component a low-wear drive. With a torsionally rigid design of the Articulated connection and the arrangement of a pulse generator in the vicinity of the rotating Component on the motor axis, the requirements for a fixed relative rotational position guaranteed between the motor or a pulse generator and the rotating component. It is advantageous to design the articulated connection in such a way that in the axial direction tensile and compressive forces of the rotating component can be absorbed. It is also advantageous that the relative movements mentioned can be controlled electronically, at least without tools and without the engine or drive from the Removable printing press is executable. It is also an advantage that the The process of engaging and disengaging is carried out externally, the supply for the Switching process with a pressure medium through the engine, especially along the Rotor axis of the motor, and the drive is carried out.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawing and is in following described in more detail.

Die Zeichnung zeigt eine schematische Darstellung eines Antriebes für ein rotierendes Bauteil einer Druckmaschine.The drawing shows a schematic representation of a drive for a rotating one Component of a printing press.

Ein rotierendes Bauteil 01, z. B. ein Zylinder 01 oder eine Walze 01 einer Rotationsdruckmaschine, insbesondere ein Formzylinder 01 einer Druckmaschine für den Tiefdruck, weist stirnseitig einen Zapfen 02 auf, mittels dessen der Zylinder 01 in einem Seitengestell 03 einer Druckmaschine in einem Lager 04 gelagert ist. Das Lager 04 kann beispielsweise ein Wälzlager sein. Das Lager 04 kann, falls der Zylinder 01 in seiner radialen Richtung lageveränderbar sein soll, auch ein Exzenterlager 04 darstellen. In möglichen Ausführung ist das Lager 04 so ausgeführt, dass eine relative Bewegung zwischen Seitengestell 03 und Zapfen 02 in axialer Richtung des Zylinders 01 möglich ist. Das Lager 04 und/oder das Seitengestell 03 kann zwecks vereinfachter Herausnahme des Zylinders 01 zu einer Seite seines Umfangs hin offen ausgeführt sein, so dass der Zylinder 01 mit seinem Zapfen 02, beispielsweise nach oben, aus dem Seitengestell 03 entnehmbar ist.A rotating component 01, e.g. B. a cylinder 01 or a roller 01 one Rotary printing press, in particular a forme cylinder 01 of a printing press for the Gravure printing, has a pin 02 on the end face, by means of which the cylinder 01 in one Side frame 03 of a printing press is stored in a bearing 04. The camp 04 can for example, a rolling bearing. The bearing 04 can, if the cylinder 01 in its radial direction should be changeable, also represent an eccentric bearing 04. In possible execution, the bearing 04 is designed so that a relative movement between side frame 03 and pin 02 in the axial direction of cylinder 01 is possible. The bearing 04 and / or the side frame 03 can be removed for easier removal of the cylinder 01 to one side of its circumference open so that the Cylinder 01 with its pin 02, for example upwards, from the side frame 03 is removable.

Der Zapfen 02 des Zylinders 01 ist im Betriebszustand mittels einer ersten, lösbaren Kupplung 06 und einer zweiten, Winkelabweichungen ausgleichenden Kupplung 07, z. B. einer Gelenkverbindung 07 mit einer Achse 08 eines Motors 09 verbunden. Der Motor 09 treibt den Zylinder 01 während der Produktion und ggf. während des Rüstens der Druckmaschine rotatorisch an. In bevorzugter Ausführung ist der Motor 09 koaxial zu einer Rotationsachse R01 des rotierenden Bauteils 01 angeordnet. Die Achse 08 bzw. Welle 08 des Motors 09 kann bevorzugt als ein Rotor 08 des Motors 09 ausgeführt sein. Der Motor 09 ist auf einer Führung 11 angeordnet und mittels eines Stellantriebes 12, z.B. eines zweiten Motors 12 nahezu parallel zur axialen Richtung des Zylinders 01 linear bewegbar.The pin 02 of the cylinder 01 is in the operating state by means of a first, releasable Coupling 06 and a second coupling 07 compensating for angular deviations, for. B. an articulated connection 07 connected to an axis 08 of a motor 09. The engine 09 drives the cylinder 01 during production and, if necessary, during setup of the Printing machine in rotation. In a preferred embodiment, the motor 09 is coaxial an axis of rotation R01 of the rotating component 01. Axis 08 or Shaft 08 of motor 09 can preferably be designed as a rotor 08 of motor 09. The motor 09 is arranged on a guide 11 and by means of an actuator 12, e.g. a second motor 12 linearly almost parallel to the axial direction of the cylinder 01 movable.

Der Zapfen 02 ragt im Betriebszustand auf einem Teilstück 13 mit der Länge I13, z.B. I13 = 110 mm, stimseitig in die lösbare Kupplung 06 hinein. Die lösbare Kupplung 06, die im Betriebszustand den Zapfen 02 drehsteif mit der Gelenkverbindung 07 verbindet, ist in vorteilhafter Ausführung kraftschlüssig und im Betriebszustand vorgespannt bzw. selbstarretierend und schaltbar ausgeführt.The pin 02 protrudes in the operating state on a section 13 with the length I13, e.g. I13 = 110 mm, into the detachable coupling 06 on the front side. The releasable coupling 06, which in Operating state connects the pin 02 torsionally rigid with the hinge connection 07 is in advantageous embodiment non-positively and preloaded in the operating state or self-locking and switchable.

In einer vorteilhaften Ausgestaltung ist die Kupplung 06 als durch Federn 14 vorgespannte Spannelemente 16 auf einer zusammen wirkenden Spannbüchse 17 ausgebildet. Die Kupplung 06 ist lösbar, indem ein mit Druck beaufschlagtes Medium, beispielsweise ein Druckmittel wie insbesondere Öl, über einen Kanal 18 in einem Gehäuse 19 der Kupplung 06 zwischen das Gehäuse 19 und einen axial verschiebbaren Kolben 21 gepresst wird. Die Federn 14 werden hierdurch gegen ihre Vorspannung zusammen gedrückt und entlasten die mit der Spannbüchse 17 zusammen wirkenden Spannelemente 16. Als Spannelemente 16 können beispielsweise Stemscheiben 16 Verwendung finden. Die Kupplung 06 kann aber auch in anderer Weise als schaltbare Kupplung, beispielsweise als Kegel-, Scheiben-, elektromagnetische oder Flüssigkeitskupplung ausgeführt sein.In an advantageous embodiment, the clutch 06 is designed as a spring 14 prestressed clamping elements 16 on a cooperating clamping bushing 17 educated. The coupling 06 can be released by using a medium under pressure, for example a pressure medium such as oil in particular, via a channel 18 in one Housing 19 of the coupling 06 between the housing 19 and an axially displaceable Piston 21 is pressed. The springs 14 are thereby against their bias pressed together and relieve the acting together with the clamping sleeve 17 Clamping elements 16. For example, star washers 16 can be used as clamping elements 16 Find use. The clutch 06 can also be switched in another way Coupling, for example as a cone, disc, electromagnetic or Fluid coupling must be executed.

Die Kupplung 06 ist auf ihrer dem Zylinder 01 abgewandten Seite mit der zweiten Kupplung 07, im Beispiel einem ersten Gelenk 22 der Gelenkverbindung 07 verbunden. In bevorzugter Ausführung ist die Gelenkverbindung 07 als Doppelgelenk 07 mit dem ersten Gelenk 22, einer Welle 23 und einem zweiten Gelenk 24 ausgebildet, welches ggf. auftretende Winkel und/oder einen Versatz zwischen einer Rotationsachse R08 der Achse 08 des Motors 09 und einer Rotationsachse R01 des Zylinders 01 ausgleicht. Letzteres insbesondere auch bei radial lageveränderbarer Lagerung des Zylinders 01, beispielsweise zur Druck-An bzw. Abstellung. Die Gelenke 22 und 24 können z.B. als Kreuzgelenke, als Kugelgelenke oder in sonstiger Weise als formschlüssige, winkelveränderbare Verbindung ausgeführt sein, welche Zug- und Druckbelastung annähernd in Raumrichtungen entlang der Rotationsachsen R01 und R08 aufnehmen, und o.g. ausgleichende Eigenschaften bzgl. Winkel und Versatz aufweisen. In vorteilhafter Weise wird eine das Druckmittel befördernde und mit dem Kanal 18 verbundene Leitung 26, beispielsweise ein Schlauch 26, durch das Doppelgelenk 07 hindurchgeführt. Im Beispiel erfolgt die Durchführung der Leitung 26 zentrisch durch die Welle 23.The clutch 06 is on its side facing away from the cylinder 01 with the second Coupling 07, in the example connected to a first joint 22 of the joint connection 07. In preferred embodiment is the articulated connection 07 as a double joint 07 with the first Joint 22, a shaft 23 and a second joint 24 formed, which may occurring angles and / or an offset between a rotation axis R08 of the axis 08 of the motor 09 and an axis of rotation R01 of the cylinder 01 compensates. The latter in particular also when the cylinder 01 is supported in a position that can be changed radially, for example for printing on or off. The joints 22 and 24 can e.g. as Universal joints, as ball joints or in some other way as positive, angle-adjustable connection, which tensile and compressive load take up approximately in spatial directions along the rotation axes R01 and R08, and the above have compensating properties with regard to angle and offset. In advantageous A line which conveys the pressure medium and is connected to the channel 18 becomes 26, for example a hose 26, passed through the double joint 07. in the For example, the line 26 is carried out centrally through the shaft 23.

Das zweite Gelenk 24 ist stirnseitig und bzgl. der Rotationsachse R08 zentrisch mit der Achse 08 des Motors 09 verbunden. In vorteilhafter Weise ist die Anordnung aus Kupplung 06 und Gelenkverbindung 07 durch eine von der Achse 08 bis zum Zapfen 02 verlaufende Abdeckung 27 gekapselt.The second joint 24 is on the end face and centered with respect to the axis of rotation R08 Axis 08 of motor 09 connected. The arrangement is advantageously made Coupling 06 and articulated connection 07 through one from axis 08 to pin 02 extending cover 27 encapsulated.

Die Achse 08 des Motors 09 weist in einer Ausführung auf ihrer rotierenden Mantelfläche einen Impulsgeber 28 auf, der mit einem nicht dargestellten Sensor zusammen wirkt und dessen Winkelstellung jederzeit Aufschluß über die Drehlage und/oder die Rotationsgeschwindigkeit des Zylinders 01 gibt. In bevorzugter Ausführung ist der Impulsgeber 28 am Umfang der rotierenden ersten Kupplung 06 oder der zweiten Kupplung 07 selbst, im Beispiel am Umfang einer das zweite Gelenk 22 aufnehmenden, und mit der Achse 08 zusammen wirkenden Stirnseite 29 der Kupplung 07, angeordnet. Dadurch ist eine synchrone Bewegung zwischen rotierendem Bauteil 01, über die drehsteife Kupplung 07 zum Impulsgeber 28 gewährleistet.In one embodiment, the axis 08 of the motor 09 has on its rotating outer surface a pulse generator 28 which interacts with a sensor, not shown, and whose angular position provides information about the rotational position and / or the Rotation speed of the cylinder 01 there. In a preferred embodiment, the Pulse generator 28 on the circumference of the rotating first clutch 06 or the second Coupling 07 itself, in the example on the circumference of a second joint 22, and end face 29 of the coupling 07, which cooperates with the axis 08. As a result, there is a synchronous movement between rotating component 01 torsionally stiff coupling 07 to pulse generator 28 guaranteed.

Die Achse 08 weist eine, vorzugsweise zentrisch angeordnete, Bohrung 31 auf, durch die das Druckmittel über die Leitung 26 zur Kupplung 06 gelangt. Die Zufuhr des Druckmittels ist somit zur Betätigung der Kupplung 06 in einfacher Weise beispielsweise über eine Dreheinführung 32 durch die Achse 08 des Motors 09 und über die Leitung 26 zum Kanal 18 der Kupplung 06 förderbar. Vorteilhaft erfolgt die Lagerung der Achse 08 im Motor 09 mittels eines nicht dargestellten Radiallagers, welches ebenfalls eine Kraftkomponente in axiale, nahezu zur Rotationsachse R08 parallele Richtung aufnimmt, z.B. mittels eines Schräglagers, so dass eine axiale Relativbewegung zwischen Achse 08 und Motor 09 unterbunden ist. Der auf der Führung 11 gelagerte Stator und der Rotor bzw. die Achse 08 sind axial nicht relativ zueinander ortsveränderbar. Der Motor 09 ist bevorzugt ein über seinen Drehwinkel geregelter bzw. lagegeregelter Elektromotor 09.The axis 08 has a, preferably centrally arranged, bore 31 through which the pressure medium reaches the clutch 06 via the line 26. The supply of the pressure medium is thus for actuating the clutch 06 in a simple manner, for example via a Rotary inlet 32 through the axis 08 of the motor 09 and via the line 26 to the channel 18 of the clutch 06 eligible. Axle 08 is advantageously mounted in motor 09 by means of a radial bearing, not shown, which also has a force component in axial direction, almost parallel to the axis of rotation R08, e.g. by means of a Angular bearing, so that an axial relative movement between axis 08 and motor 09 is prevented. The stator mounted on the guide 11 and the rotor or the axis 08 cannot be moved axially relative to one another. The engine 09 is preferably an over its rotation angle controlled or position controlled electric motor 09.

Der Motor 09 ist annähernd parallel zur Rotationsachse R08 linear in eine Bewegungsrichtung B beweglich mittels der Führung 11 beispielsweise auf einem Träger 33 angeordnet. In bevorzugter Ausführung ist der Träger 33 ortsfest bezüglich des Seitengestells 03, und die Führung 11 als Linearführung 11 ausgebildet. Die Führung 11 zwischen Motor 09 und Träger 33 kann beispielsweise als Flach- oder Schwalbenschwanzführung ausgeführt sein, wobei eine möglichst leichtgängige Bewegung in die durch die Bewegungsrichtung B vorgegebene Vorzugsrichtung und ein möglicht spielfreier Sitz in alle übrigen Richtungen zu gewährleisten sind. Hierfür weisen die am Motor 09 angeordneten, und mit der Führung 11 zusammen wirkenden Füße 34 oder die Führung 11 selbst beispielsweise hier nicht dargestellte Umlauflager auf.The motor 09 is approximately parallel to the axis of rotation R08 linear in one Movement direction B movable by means of the guide 11, for example on a carrier 33 arranged. In a preferred embodiment, the carrier 33 is stationary with respect to the Side frame 03, and the guide 11 is designed as a linear guide 11. The leadership 11 between motor 09 and support 33 can, for example, as a flat or Dovetail guidance should be carried out, with the smoothest possible Movement in the preferred direction predetermined by the direction of movement B and play-free seating in all other directions must be ensured. Show for this the feet 34 arranged on the motor 09 and acting together with the guide 11 or the guide 11 itself, for example, circulation bearings, not shown here.

Der Motor 09 ist im Beispiel durch den zweiten Motor 12 über eine Gewindetrieb 36, z.B. eine Gewindespindel 36 mit einem Trapezgewinde, linear in Bewegungsrichtung B verschiebbar. Die Gewindespindel 36 steht im Eingriff mit einem am Motor 09 angeordneten, und bezüglich des Motors 09 ortsfesten Innengewinde. Das Innengewinde kann Bestandteil einer am Motor 09 befestigten Mutter 37 sein. Zur Minimierung ggf. auftretenden Gewindespiels zwischen Gewindespindel 36 und Mutter 37 kann beispielsweise eine zweite, stellbare Mutter angeordnet, oder eine sonstige Vorkehrung getroffen sein.The motor 09 is in the example by the second motor 12 via a screw drive 36, e.g. a threaded spindle 36 with a trapezoidal thread, linear in the direction of movement B displaceable. The threaded spindle 36 is in engagement with a motor 09 arranged, and with respect to the motor 09 fixed internal thread. The internal thread can be part of a nut 37 attached to the motor 09. To minimize if necessary Thread play occurring between threaded spindle 36 and nut 37 can for example, a second, adjustable nut arranged, or some other arrangement be hit.

Die Gewindespindel 36 ist drehbar aber ortsfest bezüglich des Trägers 33 angeordnet und wird in vorteilhafter Ausführung über eine zweite Kupplung 38, beispielsweise eine Winkelabweichungen ausgleichende Kreuzgelenkkupplung, zwischen einer Achse 39 des Motors 12 und der Gewindespindel 36 direkt angetrieben. In bevorzugter Ausführung ist auch der Motor 12 über seine Drehlage geregelt, was eine exakte Positionierung des Motors 09 in Bewegungsrichtung B ermöglicht. Eine Positionierung kann aber auch über wegaufnehmende Sensoren an der Gewindespindel 36 erfolgen. Der Antrieb der Gewindespindel 36 kann auch über ein Getriebe erfolgen, wobei entsprechende Vorkehrungen gegen mögliches Gewindespiel zu treffen sind.The threaded spindle 36 is rotatably but fixedly arranged with respect to the carrier 33 and is carried out in an advantageous embodiment via a second clutch 38, for example a Angle deviations compensating universal joint coupling, between an axis 39 of the Motor 12 and the threaded spindle 36 driven directly. In a preferred embodiment the motor 12 is regulated via its rotational position, which means that the Motor 09 in the direction of movement B enables. Positioning can also be done via transducers take place on the threaded spindle 36. The drive of the Threaded spindle 36 can also be done via a gear, with corresponding Precautions against possible thread play must be taken.

Ein gesamte Stellweg S der Gewindespindel 36 weist in vorteilhafter Ausführung, ausgehend von einer Nulllage N, in der vom Zylinder 01 abgewandten Richtung zumindest die Länge I13 des in die Kupplung 06 hinein ragenden Teiles des Zapfens 02 auf. Um eine Korrektur des Zylinders 01, bzw. eine Verstellung des Seitenregisters, in axialer Richtung um einen Stellweg d01, beispielsweise um d01 = ± 10 mm zu ermöglichen, ist ein Stellweg d01 bzgl. der Nulllage N von mindesten 10 mm in beide Richtungen erforderlich, wobei ein Abstand a03 zwischen Seitengestell 03 und Kupplung 06 sowie ein Abstand a01 zwischen Zylinder 01 und Seitengestell 03 entsprechend groß sein müssen.An entire travel path S of the threaded spindle 36 has, in an advantageous embodiment, starting from a zero position N, in the direction facing away from cylinder 01 at least the length I13 of the part of the pin 02 protruding into the coupling 06 on. To correct the cylinder 01 or adjust the side register in axial direction by an adjustment path d01, for example by d01 = ± 10 mm allow, there is a travel d01 with respect to the zero position N of at least 10 mm in both Directions required, with a distance a03 between side frame 03 and coupling 06 and a distance a01 between cylinder 01 and side frame 03 are correspondingly large have to be.

Die Funktionsweise des erfindungsgemäßen Antriebes für ein rotierendes Bauteil 01 einer Druckmaschine ist folgendermaßen:

  • Eine Korrektur der axialen Lage des Zylinders 01, beispielsweise um den Stellweg d01 in Richtung Seitengestell 03, erfolgt durch Betätigung des Motors 12, z.B. um einen entsprechend geeichten Drehwinkel, und die sich drehende Gewindespindel 36. Der Motor 09 wird in Bewegungsrichtung B linear relativ zum Seitengestell 03 verschoben und bewegt seinerseits über die zug- und druckbelastbare Gelenkverbindung 07 den Zylinder 01 zum Seitengestell 03 hin. Die Kupplung 06 ist während dieser Korrektur in Eingriff und stellt ebenfalls eine zug- und druckbelastbare Verbindung dar.
    • The operation of the drive according to the invention for a rotating component 01 of a printing press is as follows:
  • A correction of the axial position of the cylinder 01, for example by the adjustment path d01 in the direction of the side frame 03, is carried out by actuating the motor 12, for example by a correspondingly calibrated angle of rotation, and the rotating threaded spindle 36. The motor 09 becomes linear relative to in the direction of movement B. Side frame 03 shifted and in turn moves the cylinder 01 to the side frame 03 via the tensile and compressive joint 07. The coupling 06 is engaged during this correction and also represents a connection that can be subjected to tensile and compressive loads.

    • Sollen Zylinder 01 und Antrieb jedoch entkoppelt oder gar voneinander getrennt werden, so erfolgt zunächst ein Lösen der Kupplung 06 über eine Beaufschlagung der Kupplung 06 mit dem Druckmittel. Der Zylinder 01 ist nun frei um seine Rotationsachse R01 drehbar oder aber linear entlang der Rotationsachse R01 relativ zur Kupplung 06 ortsveränderbar. Um die Kupplung 06 und den Zapfen 02 vollständig voneinander räumlich zu trennen wird anschließend der Motor 09 mit der Gelenkverbindung 07 und der Kupplung 06 mittels des Motors 12 und der Gewindespindel 36 zumindest um die Länge I13 verfahren. Die Beaufschlagung der Kupplung 06 mit Druck ist nun nicht mehr erforderlich, die Kupplung 06 kann vom Druckmittel entlastet, und der Zylinder 01 entnommen bzw. ausgetauscht werden. If cylinder 01 and drive are to be decoupled or even separated, Thus, the clutch 06 is first released by acting on the clutch 06 with the pressure medium. The cylinder 01 is now freely rotatable about its axis of rotation R01 or can be moved linearly along the axis of rotation R01 relative to the coupling 06. To completely separate the coupling 06 and the pin 02 from each other then the motor 09 with the articulated connection 07 and the coupling 06 by means of the Move motor 12 and the threaded spindle 36 at least by the length I13. The It is no longer necessary to apply pressure to the clutch 06, the clutch 06 can be relieved of the pressure medium, and the cylinder 01 removed or replaced become.

    BezugszeichenlisteLIST OF REFERENCE NUMBERS

    0101
    rotierendes Bauteil, Zylinder, Walze, Formzylinderrotating component, cylinder, roller, forme cylinder
    0202
    Zapfenspigot
    0303
    Seitengestellside frame
    0404
    Lager, ExzenterlagerBearings, eccentric bearings
    0505
    --
    0606
    Kupplung, erste, lösbarCoupling, first, releasable
    0707
    Kupplung, zweite; Gelenkverbindung, DoppelgelenkClutch, second; Articulated connection, double joint
    0808
    Achse, Welle, Rotor (09)Axle, shaft, rotor (09)
    0909
    Motor, ElektromotorMotor, electric motor
    1010
    --
    1111
    Führung, LinearführungGuidance, linear guidance
    1212
    Stellantrieb, MotorActuator, motor
    1313
    Teilstück (02)Section (02)
    1414
    Federfeather
    1515
    --
    1616
    Spannelement, StemscheibenClamping element, star washers
    1717
    Spannbüchsecollet
    1818
    Kanalchannel
    1919
    Gehäusecasing
    2020
    --
    2121
    Kolbenpiston
    2222
    Gelenk, erstesJoint, first
    2323
    Wellewave
    2424
    Gelenk, zweitesJoint, second
    2525
    --
    2626
    Leitung, SchlauchPipe, hose
    2727
    Abdeckung cover
    2828
    Impulsgeberpulse
    2929
    Stirnseite (07)End face (07)
    3030
    --
    3131
    Bohrungdrilling
    3232
    Dreheinführungrotary Joint
    3333
    Trägercarrier
    3434
    Fußfoot
    3535
    --
    3636
    Gewindetrieb, GewindespindelLead screw, lead screw
    3737
    Muttermother
    3838
    Kupplungclutch
    3939
    Achseaxis
    BB
    Bewegungsrichtungmovement direction
    NN
    Nulllagezero position
    SS
    Stellweg (29)Travel (29)
    R01R01
    Rotationsachse (01)Rotation axis (01)
    R08R08
    Rotationsachse (08)Rotation axis (08)
    a01a01
    Abstand (01; 03), Stellweg (01)Distance (01; 03), travel range (01)
    a03a03
    Abstand (03; 06)Distance (03; 06)
    d01d01
    Stellweg (01)Travel (01)
    I13I13
    Länge (13)Length (13)

    Claims (15)

    1. Drive for a rotating component (01) of a printing press, the component (01) being driven in rotation by a motor (09) and the rotating component (01) being connected at the end, via a first clutch (06), to the motor (09) that drives the rotating component (01), and it being possible for the position of the motor (09) to be changed in a direction having at least one component parallel to an axis of rotation (R01) of the rotating component (01) by means of an actuating drive (12) without the rotating component (01), characterized in that the position of the motor (09), optionally together with the rotating component (01), can be changed by means of the actuating drive (12).
    2. Drive according to Claim 1, characterized in that a relative movement between the rotating component (01) and the motor (09) is controlled electronically.
    3. Drive according to Claim 1, characterized in that the component (01) and the actuating drive (12) are designed to displace the rotating component (01) in its axial direction in order to adjust its lateral register during a printing process.
    4. Drive according to Claim 1, characterized in that the clutch (06) is designed to be remotely actuable.
    5. Drive according to Claim 1, characterized in that the first clutch (06) is disengageable and, in the engaged state, is designed such that it can be loaded in compression and tension in the axial direction of the rotating component (01).
    6. Drive according to Claim 1, characterized in that a journal (02) arranged at the end of the rotating component (01) and a shaft (08) of the motor (09) are connected to each other by means of a second clutch (07) that compensates for angular deviations, such that they can be loaded in tension and compression with respect to a movement having at least one component parallel to the axis of rotation (R01) of the rotating component (01).
    7. Drive according to Claim 1, characterized in that an actuating travel (S) of the actuating drive (12) is greater than a length (113) of a portion (13) that engages with the clutch (06) and belongs to an end journal (02) of the rotating component (01).
    8. Drive according to Claim 6, characterized in that the second clutch (07) is designed as an articulated connection (22, 23, 24).
    9. Drive according to Claim 8, characterized in that the second clutch (07) is designed as a double joint (07).
    10. Drive according to Claim 1, characterized in that the rotating component (01) can be connected at the end, via a clutch (06) that can be switched by means of pressure medium, to a shaft (08) of the motor (09) that drives the rotating component (01), and in that the pressure medium can be supplied to the clutch (06) through the shaft (08) of the motor (09).
    11. Drive according to Claim 1, characterized in that the motor (09) is arranged on a guide (11).
    12. Drive according to Claim 1, characterized in that the actuating drive (12) is designed as a second motor (12).
    13. Drive according to Claim 1, characterized in that the rotating component (01) can be connected to the shaft (08) of the motor (09) such that it can be disengaged and transmits force.
    14. Drive according to Claim 1, characterized in that the rotational speed and/or rotary angle position of the motor (09) can be controlled by means of a pulse generator supplying information about the rotational speed and/or the rotary angle position, and in that the pulse generator (28) is arranged on the circumference of the clutch (06; 07).
    15. Drive according to Claim 12, characterized in that the second motor (12) is designed such that its rotary angle can be controlled.
    EP02025765A 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine Expired - Lifetime EP1285752B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE10024327 2000-05-17
    DE10024327A DE10024327C2 (en) 2000-05-17 2000-05-17 Drive of a rotating component of a printing press and method for separating a drive
    EP01943076A EP1282511B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine and method for separating said driving member

    Related Parent Applications (1)

    Application Number Title Priority Date Filing Date
    EP01943076A Division EP1282511B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine and method for separating said driving member

    Publications (3)

    Publication Number Publication Date
    EP1285752A2 EP1285752A2 (en) 2003-02-26
    EP1285752A3 EP1285752A3 (en) 2003-08-13
    EP1285752B1 true EP1285752B1 (en) 2004-06-23

    Family

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    Application Number Title Priority Date Filing Date
    EP01943076A Expired - Lifetime EP1282511B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine and method for separating said driving member
    EP02025765A Expired - Lifetime EP1285752B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine
    EP03010641A Expired - Lifetime EP1336479B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine
    EP03010640A Expired - Lifetime EP1336478B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine
    EP03010639A Expired - Lifetime EP1336477B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine

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    EP03010641A Expired - Lifetime EP1336479B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine
    EP03010640A Expired - Lifetime EP1336478B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine
    EP03010639A Expired - Lifetime EP1336477B1 (en) 2000-05-17 2001-05-15 Driving member for rotating component integral with a printing machine

    Country Status (11)

    Country Link
    US (1) US6880690B2 (en)
    EP (5) EP1282511B1 (en)
    JP (1) JP3939986B2 (en)
    CN (1) CN1213862C (en)
    AT (5) ATE309908T1 (en)
    AU (1) AU6578501A (en)
    DE (7) DE10066068A1 (en)
    ES (4) ES2250781T3 (en)
    HK (1) HK1052671B (en)
    RU (1) RU2252875C2 (en)
    WO (1) WO2001087605A1 (en)

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    ES2250780T3 (en) 2006-04-16
    CN1419495A (en) 2003-05-21
    DE50108036D1 (en) 2005-12-15
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    EP1336478A3 (en) 2003-09-10
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    CN1213862C (en) 2005-08-10
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    DE50106820D1 (en) 2005-08-25
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    JP2003533375A (en) 2003-11-11
    EP1336479A3 (en) 2003-09-10
    EP1282511B1 (en) 2003-12-17
    EP1282511A1 (en) 2003-02-12
    DE10024327C2 (en) 2002-05-16
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    DE50101203D1 (en) 2004-01-29
    ES2211810T3 (en) 2004-07-16
    AU6578501A (en) 2001-11-26
    EP1336478B1 (en) 2005-07-20
    ATE269786T1 (en) 2004-07-15
    DE10066068A1 (en) 2002-09-26
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    DE10024327A1 (en) 2001-11-22
    ATE299798T1 (en) 2005-08-15
    EP1336479A2 (en) 2003-08-20
    EP1285752A2 (en) 2003-02-26
    EP1336477B1 (en) 2005-11-16
    EP1285752A3 (en) 2003-08-13
    HK1052671B (en) 2005-12-23
    EP1336479B1 (en) 2005-11-09
    JP3939986B2 (en) 2007-07-04
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    EP1336477A2 (en) 2003-08-20
    WO2001087605A1 (en) 2001-11-22
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    EP1336477A3 (en) 2003-09-10
    ATE309094T1 (en) 2005-11-15

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