EP0705689B1 - Drive for a multicolour sheet printing press - Google Patents

Drive for a multicolour sheet printing press Download PDF

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Publication number
EP0705689B1
EP0705689B1 EP95113346A EP95113346A EP0705689B1 EP 0705689 B1 EP0705689 B1 EP 0705689B1 EP 95113346 A EP95113346 A EP 95113346A EP 95113346 A EP95113346 A EP 95113346A EP 0705689 B1 EP0705689 B1 EP 0705689B1
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EP
European Patent Office
Prior art keywords
drive
longitudinal shaft
gear train
positioning
clutch
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
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EP95113346A
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German (de)
French (fr)
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EP0705689B2 (en
EP0705689A1 (en
Inventor
Hendrikus Beaumont
Hanns-Otto Haas
Bernd Lindner
Holger Dr. Wiese
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Manroland AG
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MAN Roland Druckmaschinen AG
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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
    • B41F13/008—Mechanical features of drives, e.g. gears, clutches
    • B41F13/012—Taking-up backlash

Definitions

  • the invention relates to a method for eliminating drive play in a drive according to the preamble of claim 1, and a device for performing the method according to the preamble of claim 10.
  • the various printing units for transferring partial images are often driven by a longitudinal shaft connecting all the individual drives.
  • the printing units are also connected to each other with a gear train for synchronization. Since there may be play within the gear train, there is a risk of irregularities in the transfer of the printed image. For example, Drawing files do not lie exactly on top of each other when printed.
  • a drive for multi-color sheet-fed rotary printing presses in a row arrangement with at least two printing units is known.
  • the drive is solved by a longitudinal shaft and two worm gears, which connect the longitudinal shaft with the wheel train of the individual printing units.
  • the longitudinal shaft is divided and connected with an axially movable coupling. This axially movable coupling can be adjusted with the aid of a hydraulic system for bracing the drive in the area of the worm gear.
  • a drive for a multi-color rotary sheet printing machine with a series construction of the printing units is also known.
  • This drive also has a longitudinal shaft, which is divided. The longitudinal shaft parts are connected to each other with a torsion bar spring. An additional gear is used to preload this torsion bar spring to eliminate play in the drive.
  • a drive for multi-color sheet-fed rotary printing presses in a row arrangement with at least two printing units is known.
  • a longitudinal shaft for driving worm gears for individual printing units is set under axial preload to eliminate the play in the worm gears.
  • the object of the invention is to improve a method with an associated device according to the preamble of claim 1 such that any operating conditions can be taken into account by eliminating play in multi-color sheet-fed printing presses with optional sheet turning within the drive.
  • the sheet-fed rotary printing press has a drive wheel train 1 for connecting various individual printing units AE, drive gears being provided on a printing cylinder and a sheet transfer drum, which mesh with one another.
  • the sheet-fed rotary printing press is driven by a main drive motor 2 via a longitudinal shaft 3.
  • the required drive powers are diverted from the longitudinal shaft 3 via two drives 4, 5 to the drive gears of the printing cylinders of two different printing units B, D.
  • the sheet-fed rotary printing press is suitable for performing two-sided printing, the so-called perfecting.
  • a device for gear train separation 6, not shown here, is provided in the drive wheel train 1, here for example on the printing unit C, by means of which the rigid coupling of the printing units B and C can be separated from one another. It enables an adjustment in such a way that the printing units A, B in front of and C-E can be rotated against one another behind the separation point and can be rigidly coupled again.
  • the drive is shown in more detail in FIG. 2.
  • the device for gear train separation 6 should be arranged on the drive gear 7. It thus lies in the area of the drives 4, 5 from the longitudinal shaft 3 into the drive wheel train 1.
  • the longitudinal shaft 3 can be separated between the two drives 4, 5 by means of a switchable clutch 8.
  • the clutch 8 is shown here as a cone clutch.
  • a positioning drive 9 is arranged in the vicinity of the input 4 located behind the clutch 8 and engages the longitudinal shaft 3 via a gear 10.
  • the positioning drive 9 is set up for the automated adjustment of the printing units F, G relative to one another when switching from straight printing to face and reverse printing and vice versa. It also allows the exact setting of the relative position of the printing units F, G to one another, since this position depends on the paper format processed in each case.
  • the changeover to the other operating mode can also take place via a correspondingly controllable main drive motor 2.
  • the function of the device is as follows: To adjust the sheet-fed rotary printing machine either to the position for production with sheet turning or to the position for production in straight printing, both the device for gear train separation 6 and the clutch 8 of the longitudinal shaft 3 are activated. Then the rotation of the printing units F, G relative to one another is adjusted by means of the main drive motor 2 or the positioning drive 9. Subsequently, the drive wheel train 1 can be rigidly coupled again to the gear train separation device 6 and the longitudinal shaft 3 to the clutch 8.
  • the relative position of the printing units F, G is thus set. To ensure the exact sheet transport, the adjustment of the drives 4, 5 to the play conditions of the drive wheel train 1 including the drives 4, 5 and the torsion of the longitudinal shaft 3 from the load conditions in the printing operation is now necessary.
  • the coupling of the longitudinal shaft 3 in a position different from the position of the drive after the changeover of the operating mode ensures that the play conditions in the drive parts are adapted to the requirements of the respective printing process.
  • the procedure using the main drive motor 2 has Advantage that loads from the machine movement are transferred directly to the playing conditions.
  • the adjustment movement can be carried out at different speeds defined according to characteristic curves. Different torque ratios and drive load distributions on the different drives 4, 5 can thus be simulated.
  • the positioning drive 9 is designed per se for the execution of small angular steps and is made usable for an additional function.
  • the required angles BETA and GAMMA are easily determinable for the required drive accuracy.
  • the BETA angle with 1 degree machine angle will meet the requirements.
  • all tooth flanks in the drive are brought into contact in a first step. Due to the separation of the longitudinal shaft 3, different tooth flanks are in contact with the drive state in machine operation, since only part of the longitudinal shaft 3 is moved directly during the positioning, but the other is moved via the drive wheel train 1.
  • the establishment of the operating edges, ie. of the tooth flanks used in printing operation is therefore produced in the reverse rotation.
  • almost any desired torque distribution between the drives can be ensured by positioning the drive with different values of the angle GAMMA. Turning back brings the tooth flanks still "incorrectly" into the required operating state.
  • a control method is also conceivable for this, in which the angle GAMMA is selected automatically on the basis of the expected machine load.
  • the machine load is, for example, from using a Multi-color sheet-fed printing machine with any additional units such as coating equipment, depending on the situation, since not all printing units AF are always used.
  • the angle GAMMA is selected from a characteristic field by setting the number of printing units AF and additional units used accordingly.
  • the method can accordingly also be used for drives with more than two drives from a longitudinal shaft parallel to a drive wheel train.
  • the procedural steps are then analogous.
  • the only thing that needs to be considered in the shift sequence is the orientation within the drive, depending on where the gear train separation / s and the coupling / s are arranged in the longitudinal shaft.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Handling Of Sheets (AREA)
  • Electronic Switches (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Gear Transmission (AREA)

Abstract

The method involves starting a defined drive position for the resetting. This involves first fixing the new relative positions in the drive wheel train, and then positioning the longitudinal shaft with the coupling being open. The positioning of the longitudinal shaft corresponds to the required drive ratios. This positioning can be achieved by the main drive motor (2) or by a positioning drive (9) for the longitudinal shaft.

Description

Die Erfindung betrifft ein Verfahren zur Antriebsspielbeseitigung in einem Antrieb nach dem Oberbegriff des Anspruches 1, sowie eine Vorrichtung zur Durchführung des Verfahrens nach dem Oberbegriff des Anspruches 10.The invention relates to a method for eliminating drive play in a drive according to the preamble of claim 1, and a device for performing the method according to the preamble of claim 10.

In Mehrfarben-Druckmaschinen werden die verschiedenen Druckwerke zur Übertragung von Teilbildern häufig durch eine alle Einzelantriebe verbindende Längswelle angetrieben. Die Druckwerke sind zur Synchronisierung außerdem untereinander mit einem Räderzug verbunden. Da es innerhalb des Räderzuges zu Spiel kommen kann besteht die Gefahr, daß Unregelmäßigkeiten bei der Druckbildübertragung entstehen. So können z.B. Teilbilder beim Aufdrucken nicht exakt übereinander liegen. Um die Probleme aus dem Zahnradspiel des Räderzuges zu beseitigen, ist es bekannt, innerhalb des Antriebes Spielbeseitigungsmaßnahmen zu ergreifen, indem eine Vorspannung auf den Antrieb gebracht wird.In multicolor printing machines, the various printing units for transferring partial images are often driven by a longitudinal shaft connecting all the individual drives. The printing units are also connected to each other with a gear train for synchronization. Since there may be play within the gear train, there is a risk of irregularities in the transfer of the printed image. For example, Drawing files do not lie exactly on top of each other when printed. In order to eliminate the problems from the gear play of the gear train, it is known to take play elimination measures within the drive by applying a preload to the drive.

Aus der DE-PS 2 340 263 ist z.B. ein Antrieb für Mehrfarben-Bogenrotationsdruckmaschinen in Reihenanordnung mit mindestens zwei Druckwerken bekannt. Hier ist der Antrieb gelöst durch eine Längswelle und zwei Schneckengetriebe, die die Längswelle mit dem Räderzug der Einzeldruckwerke verbinden. Zur Spielbeseitigung ist die Längswelle aufgeteilt und mit einer axial beweglichen Kupplung verbunden. Diese axialbewegliche Kupplung kann mit Hilfe einer Hydraulik zur Verspannung des Antriebes im Bereich der Schneckengetriebe verstellt werden.From DE-PS 2 340 263 e.g. a drive for multi-color sheet-fed rotary printing presses in a row arrangement with at least two printing units is known. Here the drive is solved by a longitudinal shaft and two worm gears, which connect the longitudinal shaft with the wheel train of the individual printing units. To eliminate play, the longitudinal shaft is divided and connected with an axially movable coupling. This axially movable coupling can be adjusted with the aid of a hydraulic system for bracing the drive in the area of the worm gear.

Aus der CH-PS 570 266 ist weiterhin ein Antrieb für eine Mehrfarben-Rotationsbogendruckmaschine mit Reihenbauweise der Druckwerke bekannt. Dieser Antrieb weist ebenfalls eine Längswelle auf, die aufgeteilt ist. Die Längswellenteile sind mit einer Drehstabfeder miteinander verbunden. Ein zusätzlich angeordnetes Getriebe dient zur Vorspannung dieser Drehstabfeder, um Spiel im Antrieb zu beseitigen.From CH-PS 570 266 a drive for a multi-color rotary sheet printing machine with a series construction of the printing units is also known. This drive also has a longitudinal shaft, which is divided. The longitudinal shaft parts are connected to each other with a torsion bar spring. An additional gear is used to preload this torsion bar spring to eliminate play in the drive.

Weiterhin ist aus der DE 2 354 541 ein Antrieb für Mehrfarben-Bogenrotationsdruckmaschinen in Reihenanordnung mit mindestens zwei Druckwerken bekannt. Hier ist eine Längswelle zum Antrieb von Schneckengetrieben für Einzeldruckwerke unter axialer Vorspannung gesetzt, um das Spiel in den Schneckengetrieben zu beseitigen.Furthermore, from DE 2 354 541 a drive for multi-color sheet-fed rotary printing presses in a row arrangement with at least two printing units is known. Here, a longitudinal shaft for driving worm gears for individual printing units is set under axial preload to eliminate the play in the worm gears.

All diese Anordnungen weisen den Nachteil auf, daß sie permanent auf den Antrieb wirken bzw. alle Druckwerke permanent miteinander verbinden. Für die Ausführung einer sogenannten Bogenwendung ist es aber erforderlich, daß je nach Lage der Wendestelle unterschiedlich viele Druckwerke entsprechend dem Bogenformat gegeneinander zu verstellen sind. Dazu ist vorgesehen, daß an einer Stelle des Räderzuges eine auftrennbare Verbindung des Antriebes geschaffen wird. Bei Lösung einer dort angeordneten Kupplung können die Druckwerke vor und hinter der Wendestelle gegeneinander verdreht werden. Durch diese Verstellung verändern sich aber die Spielverhältnisse zwischen den Druckwerksgruppen. Eine durchgehende Verbindung der Antriebsteile mittels einer Längswelle ist mit den bekannten Anordnungen für einen solchen Anwendungsfall nicht möglich.All these arrangements have the disadvantage that they act permanently on the drive or permanently connect all printing units to one another. For the execution of a so-called sheet turning, however, it is necessary that, depending on the position of the turning point, different numbers of printing units are to be adjusted against each other according to the sheet format. For this purpose, it is provided that a separable connection of the drive is created at one point of the gear train. When a coupling arranged there is released, the printing units can be rotated in front of and behind the turning point. This adjustment changes the playing conditions between the printing unit groups. A continuous connection of the drive parts by means of a longitudinal shaft is not possible with the known arrangements for such an application.

Es ist daher erforderlich, eine Einrichtung zu schaffen, die auf dieses Problem einstellbar ist.It is therefore necessary to create a device that is adjustable to this problem.

Aufgabe der Erfindung ist es, ein Verfahren mit zugehöriger Vorrichtung nach dem Oberbegriff des Patentanspruchs 1 derart zu verbessern, daß bei Mehrfarben-Bogendruckmaschinen mit wahlweiser Bogenwendung innerhalb des Antriebes beliebige Betriebszustände durch Spielbeseitigung berücksichtigt werden können.The object of the invention is to improve a method with an associated device according to the preamble of claim 1 such that any operating conditions can be taken into account by eliminating play in multi-color sheet-fed printing presses with optional sheet turning within the drive.

Die Lösung dieser Aufgabe ergibt sich aus den kennzeichnenden Merkmalen des Patentanspruchs 1. Vorteilhaft ist hier, daß an beliebiger Stelle der Maschine eine Wendeeinrichtung eingesetzt werden kann, ohne daß dadurch die Gefahr unterschiedlicher Spielverhältnisse innerhalb des Antriebsstranges entsteht. Das Verfahren zur Beseitigung des Spieles ist automatisch nach jedem Umstellvorgang abrufbar. Außerdem sind die Antriebsverhältnisse an den verschiedenen Abzweiggetrieben der Längswelle immer konstant zu halten. Die Vorrichtung gestaltet sich sehr einfach, da bereits vorhandene Baugruppen verwendet werden und lediglich je Teil der Längswelle eine einzige handelübliche Kupplung benötigt wird.The solution to this problem follows from the characteristic ones Features of patent claim 1. It is advantageous here that a turning device can be used at any point on the machine without thereby creating the risk of different play conditions within the drive train. The procedure for eliminating the game can be called up automatically after each changeover. In addition, the drive conditions on the various branch drives of the longitudinal shaft must always be kept constant. The device is very simple since existing assemblies are used and only a single commercially available coupling is required for each part of the longitudinal shaft.

Die Erfindung wird im folgenden anhand von Zeichnungen in einem Ausführungsbeispiel näher beschrieben.The invention is described below with reference to drawings in one embodiment.

Darin zeigt

Figur 1
ein Schema einer Mehrfarben-Bogenoffsetrotationsdruckmaschine
und
Figur 2
einen Ausschnitt eines Antriebs zur Durchführung des erfindungsgemäßen Verfahrens.
In it shows
Figure 1
a schematic of a multi-color sheet-fed offset printing press
and
Figure 2
a section of a drive for performing the method according to the invention.

In Fig. 1 ist ein Schema einer Bogenrotationsdruckmaschine für den Mehrfarbendruck dargestellt. Die Bogenrotationsdruckmaschine weist einen Antriebsräderzug 1 zur Verbindung verschiedener einzelner Druckwerke A-E auf, wobei jeweils an einem Druckzylinder und einer Bogenübergabetrommel Antriebszahnräder vorgesehen sind, die wechselseitig miteinander in Eingriff stehen. Die Bogenrotationsdruckmaschine wird von einem Hauptantriebsmotor 2 über eine Längswelle 3 angetrieben. Von der Längswelle 3 werden über zwei Eintriebe 4, 5 die erforderlichen Antriebsleistungen auf die Antriebszahnräder der Druckzylinder zweier unterschiedlicher Druckwerke B, D abgezweigt. Die Bogenrotationsdruckmaschine ist zur Ausführung eines zweiseitigen Drucks, des sogenannten Schön- und Widerdrucks, geeignet.1 shows a diagram of a sheet-fed rotary printing press for multi-color printing. The sheet-fed rotary printing press has a drive wheel train 1 for connecting various individual printing units AE, drive gears being provided on a printing cylinder and a sheet transfer drum, which mesh with one another. The sheet-fed rotary printing press is driven by a main drive motor 2 via a longitudinal shaft 3. The required drive powers are diverted from the longitudinal shaft 3 via two drives 4, 5 to the drive gears of the printing cylinders of two different printing units B, D. The sheet-fed rotary printing press is suitable for performing two-sided printing, the so-called perfecting.

Dazu ist im Antriebsräderzug 1 eine hier nicht näher dargestellte Einrichtung zur Getriebezugtrennung 6 vorgesehen, hier beispielhaft am Druckwerk C, mittels derer die starre Koppelung der Druckwerke B und C untereinander auftrennbar ist. Sie ermöglicht eine Verstellung, derart, daß die Druckwerke A, B vor und C-E hinter der Trennstelle gegeneinander verdrehbar und wieder starr koppelbar sind.For this purpose, a device for gear train separation 6, not shown here, is provided in the drive wheel train 1, here for example on the printing unit C, by means of which the rigid coupling of the printing units B and C can be separated from one another. It enables an adjustment in such a way that the printing units A, B in front of and C-E can be rotated against one another behind the separation point and can be rigidly coupled again.

In Fig. 2 ist der Antrieb etwas näher dargestellt. Zum Beispiel soll die Einrichtung zum Getriebezugtrennung 6 auf dem Antriebszahnrad 7 angeordnet sein. Sie liegt damit im Bereich der Eintriebe 4, 5 von der Längswelle 3 in den Antriebsräderzug 1. Weiterhin ist die Längswelle 3 zwischen den beiden Eintrieben 4, 5 mittels einer schaltbaren Kupplung 8 auftrennbar. Die Kupplung 8 ist hier als Kegelkupplung dargestellt. Schließlich ist in der Nähe des hinter der Kupplung 8 liegenden Eintriebs 4 ein Positionierantrieb 9 angeordnet, der über ein Getriebe 10 an der Langswelle 3 angreift. Der Positionierantrieb 9 ist für die automatisierte Verstellung der Druckwerke F, G relativ zueinander bei der Umstellung vom Schöndruck in den Schön- und Widerdruck und umgekehrt eingerichtet. Er erlaubt auch die exakte Einstellung der Relativlage der Druckwerke F, G zueinander, da diese Position vom jeweils verarbeiteten Papierformat abhängig ist. Die Umstellung in die jeweils andere Betriebsweise kann aber auch über einen entsprechend steuerbaren Hauptantriebsmotor 2 erfolgen.The drive is shown in more detail in FIG. 2. For example, the device for gear train separation 6 should be arranged on the drive gear 7. It thus lies in the area of the drives 4, 5 from the longitudinal shaft 3 into the drive wheel train 1. Furthermore, the longitudinal shaft 3 can be separated between the two drives 4, 5 by means of a switchable clutch 8. The clutch 8 is shown here as a cone clutch. Finally, a positioning drive 9 is arranged in the vicinity of the input 4 located behind the clutch 8 and engages the longitudinal shaft 3 via a gear 10. The positioning drive 9 is set up for the automated adjustment of the printing units F, G relative to one another when switching from straight printing to face and reverse printing and vice versa. It also allows the exact setting of the relative position of the printing units F, G to one another, since this position depends on the paper format processed in each case. The changeover to the other operating mode can also take place via a correspondingly controllable main drive motor 2.

Die Funktion der Vorrichtung ist wie folgt:
Zur Verstellung der Bogenrotationsdruckmaschine entweder in die Position zur Produktion mit Bogenwendung oder in die Position zur Produktion im reinen Schöndruck werden sowohl die Einrichtung zur Getriebezugtrennung 6 als auch die Kupplung 8 der Längswelle 3 freigeschaltet. Dann wird mittels des Hauptantriebsmotors 2 oder des Positionierantriebs 9 die vom Papierformat abhängig Verdrehung der Druckwerke F, G zueinander eingestellt. Anschließend können der Antriebsräderzug 1 an der Einrichtung zur Getriebezugtrennung 6 und die Längswelle 3 an der Kupplung 8 wieder starr gekoppelt werden.The function of the device is as follows:
To adjust the sheet-fed rotary printing machine either to the position for production with sheet turning or to the position for production in straight printing, both the device for gear train separation 6 and the clutch 8 of the longitudinal shaft 3 are activated. Then the rotation of the printing units F, G relative to one another is adjusted by means of the main drive motor 2 or the positioning drive 9. Subsequently, the drive wheel train 1 can be rigidly coupled again to the gear train separation device 6 and the longitudinal shaft 3 to the clutch 8.

Damit ist die Relativlage der Druckwerke F, G eingestellt. Zur Sicherstellung des exakten Bogentransports ist nun die Einstellung der Eintriebe 4, 5 auf die Spielverhältnisse des Antriebsräderzugs 1 inclusive der Eintriebe 4, 5 und der Torsion der Längswelle 3 aus den Lastverhältnissen im Druckbetrieb erforderlich.The relative position of the printing units F, G is thus set. To ensure the exact sheet transport, the adjustment of the drives 4, 5 to the play conditions of the drive wheel train 1 including the drives 4, 5 and the torsion of the longitudinal shaft 3 from the load conditions in the printing operation is now necessary.

Insgesamt werden bei der Umstellung folgende Verfahrensschritte vollzogen:

  • 1. Anfahren einer definierten Antriebsposition für die Umstellung
  • 2. Lösen der Kupplung 8 in der Längswelle 3
  • 3. Fixieren eines Bereichs der Bogendruckmaschine
  • 4. Lösen der Getriebezugtrennung 6
  • 5. Verdrehen des nicht fixierten Maschinenbereichs entsprechend dem Papierformat oder der Schöndruckposition
  • 6. Fixieren der Getriebezugtrennung 6
  • 7. Lösen der Fixierung des fixierten Maschinenbereichs
  • 8. automatische Antriebsspielkompensation mit
    • Positionieren der Teile der Längswelle 3 zueinander und
    • Einkuppeln der Kupplung 8 der Längswelle 3
Overall, the following process steps are carried out during the changeover:
  • 1. Approach a defined drive position for the changeover
  • 2.Release the coupling 8 in the longitudinal shaft 3
  • 3. Fix an area of the sheetfed press
  • 4.Loosen the gear train separation 6
  • 5. Rotate the unfixed machine area according to the paper size or the face position
  • 6. Fix the gear train separation 6
  • 7. Release the fixation of the fixed machine area
  • 8. automatic drive play compensation with
    • Position the parts of the longitudinal shaft 3 to each other and
    • Coupling the clutch 8 of the longitudinal shaft 3

Die automatische Kompensation des Zahnradspiels im Antrieb erfolgt durch Positionierung der Längswellenteile nach dem Lösen der Kupplung 8 relativ zueinander und ist, abhängig von der Wahl des Antriebs für die Positionierung, in verschiedenen Verfahrensschritten möglich:The automatic compensation of the gear play in the drive takes place by positioning the longitudinal shaft parts after releasing the clutch 8 relative to one another and, depending on the choice of the drive for the positioning, is possible in different process steps:

I. Bei Nutzung des Hauptantriebsmotors 2 und Fixierung des dem Eintrieb gegenüberliegenden MaschinenbereichsI. When using the main drive motor 2 and fixing the machine area opposite the input

  • a)
    • Schleichgang vorwärts mit Hauptantriebsmotor 2 bis zum Kuppelwinkel ALPHA
    • Hauptantriebsmotor 2 anhalten
    • Einkuppeln der Kupplung 8 der Längswelle 3
    a)
    • Creep speed forward with main drive motor 2 up to ALPHA coupling angle
    • Stop the main drive motor 2
    • Coupling the clutch 8 of the longitudinal shaft 3
  • b)
    • Schleichgang vorwärts mit Hauptantriebsmotor 2
    • Einkuppeln der Kupplung 8 der Längswelle 3 beim Kuppelwinkel ALPHA während der Bewegung
    b)
    • Creep speed forward with main drive motor 2
    • Coupling the coupling 8 of the longitudinal shaft 3 at the coupling angle ALPHA during the movement
  • c)
    • Schleichgang rückwärts mit Hauptantriebsmotor 2 bis zum Kuppelwinkel ALPHA
    • Hauptantriebsmotor 2 anhalten
    • Einkuppeln der Kupplung 8 der Längswelle 3
    c)
    • Slow speed in reverse with main drive motor 2 up to the coupling angle ALPHA
    • Stop the main drive motor 2
    • Coupling the clutch 8 of the longitudinal shaft 3
  • d)
    • Schleichgang rückwärts mit Hauptantriebsmotor 2
    • Einkuppeln der Kupplung 8 der Längswelle 3 beim Kuppelwinkel ALPHA während der Bewegung
    d)
    • Creep speed in reverse with main drive motor 2
    • Coupling the coupling 8 of the longitudinal shaft 3 at the coupling angle ALPHA during the movement
II. Bei Nutzung des Positionierantriebs 9 und Fixierung des an der Längswelle 3 gegenüberliegenden MaschinenbereichsII. When using the positioning drive 9 and fixing the machine area opposite on the longitudinal shaft 3

  • a)
    • Positionierbewegung rückwärts mit Positionierantrieb 9 um einen definierten Winkel BETA
    • Positionierbewegung vorwärts mit Positionierantrieb 9 um einen definierten Winkel GAMMA
    • Einkuppeln der Kupplung 8 der Längswelle 3
    a)
    • Positioning movement backwards with positioning drive 9 through a defined angle BETA
    • Positioning movement forward with positioning drive 9 through a defined angle GAMMA
    • Coupling the clutch 8 of the longitudinal shaft 3
  • b)
    • Positionierbewegung vorwärts mit Positionierantrieb 9 um einen definierten Winkel BETA
    • Positionierbewegung rückwärts mit Positionierantrieb 9 um einen definierten Winkel GAMMA
    • Einkuppeln der Kupplung 8 der Längswelle 3
    b)
    • Positioning movement forward with positioning drive 9 by a defined angle BETA
    • Positioning movement backwards with positioning drive 9 through a defined angle GAMMA
    • Coupling the clutch 8 of the longitudinal shaft 3

Durch die Koppelung der Längswelle 3 in einer zur Position des Antriebs nach der Umstellung der Betriebsart verschiedenen Lage wird sichergestellt, daß die Spielverhältnisse in den Antriebsteilen an die Erfordernisse des jeweiligen Druckprozesses angepasst sind.The coupling of the longitudinal shaft 3 in a position different from the position of the drive after the changeover of the operating mode ensures that the play conditions in the drive parts are adapted to the requirements of the respective printing process.

Die Verfahrensweise mit Nutzung des Hauptantriebsmotors 2 hat den Vorteil, daß Belastungen aus der Maschinenbewegung direkt in die Spielverhältnisse übernommen werden. Insbesondere ist es möglich, bei Einkoppelung aus der Bewegung heraus, ein Regelverfahren zu schaffen, das unterschiedliche Antriebslasten berücksichtigt. Dazu kann die Verstellbewegung bei nach Kennlinien definierten unterschiedlichen Drehzahlen ausgeführt werden. Damit sind unterschiedliche Drehmomentverhältnisse und Antriebslastverteilungen auf die verschiedenen Eintriebe 4, 5 simulierbar.The procedure using the main drive motor 2 has Advantage that loads from the machine movement are transferred directly to the playing conditions. In particular, it is possible to create a control method that takes different drive loads into account when coupling in from the movement. For this purpose, the adjustment movement can be carried out at different speeds defined according to characteristic curves. Different torque ratios and drive load distributions on the different drives 4, 5 can thus be simulated.

Eine pragmatische Lösung wird durch die Nutzung des Positionierantriebs 9 ausgewiesen. In diesem Fall wird eine aufwendige Ausstattung des Hauptantriebsmotors 2 bezüglich seiner Regelgenauigkeit vermieden. Der Positionierantrieb 9 ist per se auf die Ausführung kleiner Winkelschritte ausgelegt und wird für eine zusätzliche Funktion nutzbar gemacht.A pragmatic solution is identified through the use of the positioning drive 9. In this case, complex equipment of the main drive motor 2 with regard to its control accuracy is avoided. The positioning drive 9 is designed per se for the execution of small angular steps and is made usable for an additional function.

Es hat sich gezeigt, daß die geforderten Winkel BETA und GAMMA für die erforderliche Antriebsgenauigkeit leicht bestimmbar sind. Beispielsweise wird der Winkel BETA mit 1 Grad Maschinenwinkel die Erfordernisse befriedigen. Mit diesem Verdrehwinkel wird in einem ersten Schritt eine Anlage aller Zahnflanken im Antrieb erreicht. Durch die Auftrennung der Längswelle 3 sind aber vom Antriebszustand im Maschinenbetrieb unterschiedliche Zahnflanken in Anlage, da bei der Positionierung nur ein Teil der Längswelle 3 direkt, der andere aber über den Antriebsräderzug 1 bewegt wird. Die Anlage der Betriebsflanken, dh. der im Druckbetrieb genutzten Zahnflanken, wird daher in der Rückdrehbewegung hergestellt. In besonders vorteilhafter Weise kann nahezu jede gewünschte Drehmomentenverteilung zwischen den Eintrieben durch Positionieren des Antriebs mit unterschiedlichen Werten des Winkels GAMMA gewährleistet werden. Das Rückdrehen bringt die noch "falsch" anliegenden Zahnflanken entsprechend in den geforderten Betriebszustand.It has been shown that the required angles BETA and GAMMA are easily determinable for the required drive accuracy. For example, the BETA angle with 1 degree machine angle will meet the requirements. With this angle of rotation, all tooth flanks in the drive are brought into contact in a first step. Due to the separation of the longitudinal shaft 3, different tooth flanks are in contact with the drive state in machine operation, since only part of the longitudinal shaft 3 is moved directly during the positioning, but the other is moved via the drive wheel train 1. The establishment of the operating edges, ie. of the tooth flanks used in printing operation is therefore produced in the reverse rotation. In a particularly advantageous manner, almost any desired torque distribution between the drives can be ensured by positioning the drive with different values of the angle GAMMA. Turning back brings the tooth flanks still "incorrectly" into the required operating state.

Hierzu ist ebenfalls ein Regelverfahren denkbar, bei dem ausgehend von der erwarteten Maschinenbelastung selbsttätig der Winkel GAMMA gewählt wird. Die Maschinenbelastung ist z.B. von der Nutzung einer Mehrfarben-Bogendruckmaschine mit gegebenenfalls vorhandenen Zusatzaggregaten wie Lackiereinrichtungen abhängig, da nicht immer alle Druckwerke A-F genutzt werden. Durch entsprechende Einstellung auf die Anzahl der genutzten Druckwerke A-F und Zusatzaggregate wird der Winkel GAMMA aus einem Kennlinienfeld ausgewählt.A control method is also conceivable for this, in which the angle GAMMA is selected automatically on the basis of the expected machine load. The machine load is, for example, from using a Multi-color sheet-fed printing machine with any additional units such as coating equipment, depending on the situation, since not all printing units AF are always used. The angle GAMMA is selected from a characteristic field by setting the number of printing units AF and additional units used accordingly.

Normalerweise genügt aber eine Definition des Winkels GAMMA für die Betriebsarten Schöndruck und Schön- und Widerdruck, die aber auch für beide Betriebsarten gleich sein kann.Normally, however, a definition of the angle GAMMA is sufficient for the straight-face and face and reverse printing modes, which can also be the same for both modes.

Vom Prinzip her ist es also erforderlich der Kupplung 8 in der Längswelle 3 einen steuerbaren Antrieb (Hauptantriebsmotor 2 oder Positionierantrieb 9) zuzuordnen, derart, daß die beiden Kupplungsteile in beliebiger Richtung in beliebigem Winkel zur Spielbeseitigung verdreht werden können, bevor die Trennung der Kupplung 8 wieder aufgehoben wird. Die dargestellte Form der Bedienung ist als Spezialfall anzusehen.In principle, it is therefore necessary to assign a controllable drive (main drive motor 2 or positioning drive 9) to the coupling 8 in the longitudinal shaft 3 such that the two coupling parts can be rotated in any direction at any angle to eliminate play before the coupling 8 is separated is canceled again. The form of operation shown is a special case.

Das Verfahren ist entsprechend auch bei Antrieben mit mehr als zwei Eintrieben von einer zu einem Antriebsräderzug parallelen Längswelle aus anwendbar. Die Verfahrensschritte ergeben sich dann sinngemäß. Zu berücksichtigen bleibt nur bei der Schaltfolge die Orientierung innerhalb des Antriebs abhängig davon, wo jeweils die Getriebezugtrennung/-en und die Kupplung/-en in der Längswelle angeordnet sind.The method can accordingly also be used for drives with more than two drives from a longitudinal shaft parallel to a drive wheel train. The procedural steps are then analogous. The only thing that needs to be considered in the shift sequence is the orientation within the drive, depending on where the gear train separation / s and the coupling / s are arranged in the longitudinal shaft.

Claims (12)

  1. Process for avoiding drive play in a drive of a sheet printing press for the types of operation one side printing or perfect printing with a drive gear train, a device for separating the drive gear train, a longitudinal shaft and several drives for connecting the longitudinal shaft with the drive gear train, characterised in that on changeover from one mode of operation to the other, the following steps are carried out:
    - moving to a defined drive position for the changeover,
    - releasing a clutch (8) in the longitudinal shaft (3) between the drives (4, 5) for suspending the drive connection,
    - fixing a region of the sheet printing press,
    - separating the drive gear train (1),
    - moving the non-fixed press region corresponding to the paper format (4) to the one side printing position,
    - coupling the drive gear train (1),
    - release of the fixing of the fixed machine region,
    - positioning the parts of the longitudinal shaft (3) relative to one another, and
    - making the drive connection by enclutching the clutch (8) of the longitudinal shaft (3).
  2. Process for avoiding drive play in a drive of a sheet printing press for the types of operation, one side printing or perfect printing with a main drive motor, a drive gear train, a device for separating the drive gear train, a longitudinal shaft and several drives for connecting the longitudinal shaft with the drive gear train, characterised in that on changing over from one operational type into the other, the following steps are carried out:
    - moving to a defined drive position for the changeover,
    - releasing a clutch (9) in the longitudinal shaft (3) between the drives (4, 5) in order to suspend the connection of the drives,
    - fixing the region of the printing press separated by the main drive motor (2),
    - separating the gear train drive (1),
    - turning the region of the sheet printing press connected with the main drive motor (2) corresponding to the paper format or the one side print position,
    - coupling the drive gear train (1),
    - release of the fixation of the fixed region of the sheet printing press,
    - positioning of the parts of the longitudinal shaft (3) by creeping movement of the main drive motor (2) relative to one another, and
    - making the drive connection by enclutching the clutch (8) of the longitudinal shaft (3).
  3. Process for avoiding drive play according to Claim 2, characterised in that the creeping movement of the main drive motor (2) takes place going forwards or backwards until reaching a clutch angle (ALPHA), the main drive motor (2) is stopped and thereafter the clutch (8) enclutched.
  4. Process for avoiding drive play according to Claim 2, characterised in that the creeping movement of the main drive motor (2) takes place backwards or forwards, the clutch (8) is enclutched in the movement of the main drive motor (2) at a coupling angle (ALPHA) and thereafter the main drive motor (2) is stopped.
  5. Process for avoiding drive play in a drive of a sheet printing press for the types of operation, one side printing or perfect printing with a drive gear train, a device for separating the drive gear train, a positioning drive for moving the drive from the position dependent on the type of drive, a longitudinal shaft and several drives for combining the longitudinal shaft with the drive gear train, characterised in that on changeover from one mode of operation into the other, the following steps are carried out:
    - approaching a defined drive position for the changeover,
    - releasing a clutch (9) in the longitudinal shaft (3) between the drives (4, 5) for suspending the drive connection,
    - fixing an area of the sheet printing press,
    - separating the drive gear train (1),
    - turning the non-fixed region of the sheet printing press by means of the positioning drive (9) corresponding to the paper format or the recto-printing position,
    - coupling of the drive gear train (1),
    - release of the fixing of the fixed region of the sheet printing press,
    - positioning the parts of the longitudinal shaft (3) by stepwise movement of the positioning drive relative to one another, and
    - making the drive connection by enclutching the clutch (8) in the longitudinal shaft (3).
  6. Process for avoiding drive play according to Claim 5, characterised in that the positioning movement of the positioning drive (9) consists of the steps:
    - moving forwards or backwards through a defined angle (BETA),
    - moving counter to the first movement through an angle (GAMMA) and that thereafter the clutch (8) is enclutched.
  7. Process for avoiding drive play according to Claim 6, characterised in that the angle (GAMMA) is smaller than the angle (BETA).
  8. Process for avoiding drive play according to one of Claims 1 to 7, characterised in that the positioning movement takes place dependent on the loading of the sheet printing press to be expected for the following print process.
  9. Process for avoiding drive play according to one of Claims 1 to 7, characterised in that the positioning movement takes place dependent on the desired rotary moment distribution between the drives (4, 5) from the longitudinal shaft (3) to the drive gear train (1) of the sheet printing press for the following print process.
  10. Apparatus for carrying out the process for avoiding a drive play according to one of Claims 1 to 9 in a drive of a sheet printing press for the operational types one side printing or perfect printing with a main drive motor, a drive gear train, at least one device separating the drive gear train, a longitudinal shaft and several drives for connecting the longitudinal shaft with the drive gear train, characterised in that in the longitudinal shaft (3), between the drives (4, 5), there is provided at least one remotely controlled switchable clutch (8) for suspending the throughgoing drive connection.
  11. Device according to Claim 10, characterised in that in the longitudinal shaft (3) between the drives (4, 5), Corresponding to the arrangements of devices for separating the drive gear train (1), there are provided remotely controlled switchable clutches (8) for suspending the throughgoing drive connection.
  12. Device according to Claim 10, characterised in that on the longitudinal shaft (3) between the drives (4, 5), corresponding to the arrangement of devices for separating the drive gear train (1), remotely controlled switchable clutches (8) for suspending the throughgoing drive connection is provided and arranged relative to each clutch (8) in each case connected with a part of the longitudinal shaft (3) is a positioning drive (9) provided.
EP95113346A 1994-09-30 1995-08-25 Drive for a multicolour sheet printing press Expired - Lifetime EP0705689B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4435011 1994-09-30
DE4435011A DE4435011C2 (en) 1994-09-30 1994-09-30 Process for eliminating drive play in the drive of a sheet-fed printing machine and device for carrying it out

Publications (3)

Publication Number Publication Date
EP0705689A1 EP0705689A1 (en) 1996-04-10
EP0705689B1 true EP0705689B1 (en) 1997-12-29
EP0705689B2 EP0705689B2 (en) 2002-01-09

Family

ID=6529638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95113346A Expired - Lifetime EP0705689B2 (en) 1994-09-30 1995-08-25 Drive for a multicolour sheet printing press

Country Status (5)

Country Link
US (1) US5586499A (en)
EP (1) EP0705689B2 (en)
JP (1) JP2740483B2 (en)
AT (1) ATE161468T1 (en)
DE (2) DE4435011C2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19640649A1 (en) * 1996-10-02 1998-04-16 Roland Man Druckmasch Drive for a sheet printing machine
JPH1110828A (en) * 1997-06-20 1999-01-19 J M Insatsu Kikai Kk Double side multicolor printing offset press
JPH1134466A (en) * 1997-07-23 1999-02-09 Riso Kagaku Corp Disengageable type gear device for driving plate cylinder
JP4065465B2 (en) * 1998-03-27 2008-03-26 キヤノン株式会社 Stepping motor control device, stepping motor control method, image reading device, and storage medium
US9079388B2 (en) * 2006-02-16 2015-07-14 Heidelberger Druckmaschinen Ag Control of a printing press using a torsion model and printing press controlled by torsion model
DE102007018539B4 (en) * 2006-05-17 2009-12-10 Manroland Ag Method for operating a sheet-fed printing machine
DE102009046746A1 (en) * 2009-11-17 2011-05-26 Manroland Ag Processing machine for sheet material
CN114518630B (en) * 2020-11-19 2023-09-01 成都极米科技股份有限公司 Null back elimination method, device, electronic equipment and computer readable storage medium

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DE3523471C2 (en) * 1984-09-05 1995-09-21 Kba Planeta Ag Method and device for automatic mode change

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DE3523471C2 (en) * 1984-09-05 1995-09-21 Kba Planeta Ag Method and device for automatic mode change
DD258399B5 (en) * 1987-03-16 1993-06-24 Kba Planeta Ag DRIVE FOR MULTICOLOUR ROTATION PRINTING MACHINES

Also Published As

Publication number Publication date
JPH08309962A (en) 1996-11-26
EP0705689B2 (en) 2002-01-09
DE4435011A1 (en) 1996-04-04
DE59501158D1 (en) 1998-02-05
JP2740483B2 (en) 1998-04-15
DE4435011C2 (en) 1997-04-30
US5586499A (en) 1996-12-24
EP0705689A1 (en) 1996-04-10
ATE161468T1 (en) 1998-01-15

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