EP1752287B1 - Sheet printing machine and process for sheet printing - Google Patents

Sheet printing machine and process for sheet printing Download PDF

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Publication number
EP1752287B1
EP1752287B1 EP06116685A EP06116685A EP1752287B1 EP 1752287 B1 EP1752287 B1 EP 1752287B1 EP 06116685 A EP06116685 A EP 06116685A EP 06116685 A EP06116685 A EP 06116685A EP 1752287 B1 EP1752287 B1 EP 1752287B1
Authority
EP
European Patent Office
Prior art keywords
printing
anilox
offset printing
unit
sheet
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.)
Not-in-force
Application number
EP06116685A
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German (de)
French (fr)
Other versions
EP1752287A2 (en
EP1752287A3 (en
Inventor
Jürgen Dr. Rautert
Manfred Jurkewitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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Publication of EP1752287A2 publication Critical patent/EP1752287A2/en
Publication of EP1752287A3 publication Critical patent/EP1752287A3/en
Application granted granted Critical
Publication of EP1752287B1 publication Critical patent/EP1752287B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/04—Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs
    • B41F7/06—Rotary lithographic machines for offset printing using printing units incorporating one forme cylinder, one transfer cylinder, and one impression cylinder, e.g. for printing on webs for printing on sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/027—Ink rail devices for inking ink rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features

Definitions

  • the present invention relates to a sheet-fed printing machine according to the preamble of claim 1. Furthermore, the invention relates to a feasible by means of such a sheet-fed press sheet printing method.
  • a sheet-fed printing machine which comprises a printing unit with a zoneless metering device for printing a special color.
  • the invention is therefore based on the object to provide a sheet-fed printing machine with improved usability and to specify a sheet-fed printing process that can be carried out by means of this sheet-fed printing machine.
  • the special color may for example be a so-called customer color.
  • the anilox offset printing units can be arranged according to a color order, so that the first anilox offset printing unit performs the four-color printing ink Black, the second anilox offset printing unit leads the four-color printing ink cyan and downstream of the first anilox offset printing unit, the third anilox offset printing unit leads the four-color printing ink magenta and is arranged downstream of the second anilox offset printing unit and the fourth anilox offset printing unit leads the four-color printing ink Yellow and is arranged downstream of the third anilox offset printing unit.
  • the previously related term "downstream" refers to the sheet travel direction of the printing press.
  • the anilox offset printing units are arranged directly following one another.
  • the offset printing unit equipped with the roller inking unit carrying the special ink may be arranged upstream of, or preferably downstream of, the anilox offset printing units in the sheet running direction.
  • the four anilox offset printing units are used to print on one and the same page on which a four-color print is produced.
  • the printing press may include one or more further anilox offset printing units for printing on the sheet front or backside.
  • the printing machine can be configured as a perfector and, in addition to the inventively present four anilox offset printing units, which are used here for the Perfecting, further four anilox offset printing units, which are provided for the Wiederdruck.
  • the anilox offset printing units each comprise a printing form cylinder and an anilox roller of the same size as the printing form cylinder. Accordingly, the outer diameter of the anilox roller is substantially the same size as the outer diameter of the plate cylinder.
  • the anilox offset printing units each comprise a different inking device from a chamber doctor blade with a single doctor blade.
  • the ink supply device may be formed as a Farbzu 1500wanne, in which the respective anilox roller to be supplied ink is stored.
  • each of the anilox offset printing units comprises a different impression cylinder. Accordingly, there is no so-called common impression cylinder to which a plurality of blanket cylinders are employed.
  • the roller inking unit is preferably designed as a lift inking unit.
  • the printing machine comprises a further offset printing unit with a further roller inking unit, which leads to a special color different from the special color, which is likewise a printing ink different from the four-color printing inks.
  • the two special colors can z. B. be different customer colors.
  • the four-color printing inks black, cyan, magenta and yellow are printed in the sheetfed printing press according to the invention or one of its developments and then at least one of the four-color printing presses is provided by at least one offset printing unit of the sheetfed printing press comprising at least one infeed inking unit. Printing colors black, cyan, magenta and yellow printed various special color.
  • FIG. 1 shows a sheet-fed press 1 in a row construction.
  • the sheet-fed printing machine 1 comprises a sheet feeder 2, a sheet delivery 3 and a first, second, third and fourth anilox offset printing units 11, 12, 13, 14.
  • the sheet-fed printing press comprises additional offset printing units 15, 16, which are the four anilox offset printing units 11 to 14 are arranged downstream in the sheet running direction 17.
  • Each of the anilox offset printing units 11 to 14 and the additional offset printing units 15, 16 includes its own counter-pressure cylinder 18.
  • the four-color printing ink Black or black B is stored for printing, in the second anilox offset printing unit 12 the Four-color printing ink Cyan C, in the third anilox offset printing unit 13, the four-color printing ink Magenta M and in the fourth anilox offset printing unit 14, the four-color printing ink Yellow or Y Y.
  • the one 15 of the additional offset printing units 15, 16 is a first Special color S1 filled and in the other 16 a second special color S2.
  • the anilox offset printing units 11 to 14 and additional offset printing units 15, 16 are arranged in the sheet running direction 17 of the color order BCMY-S1-S2 arranged accordingly.
  • the spot colors S1, S2 are different from the four-color printing inks B, C, M, Y, and different from each other.
  • the anilox offset printing units 11 to 14 are preferably identical to each other.
  • the first anilox offset printing unit 11 could also be designed as a so-called application printing unit, which differs from the subsequent anilox offset printing units 12, 13, 14 due to the integration of a placement device.
  • a placement device is z. B. a feed drum or a pre-gripper.
  • the four anilox offset printing units 11 to 14 with respect to their printing cylinder and inking units are identical to each other.
  • the additional offset printing units 15, 16, which carry the special colors S1, S2, are identical to one another.
  • FIG. 2 shows the example of the first anilox offset printing unit 11, the structural design of the anilox offset printing units 11 to 14.
  • the first anilox offset printing unit 11 comprises in addition to the impression cylinder 18 a blanket cylinder 19, a printing form cylinder 20 and an anilox inking unit 21 for coloring the printing form cylinder 20th
  • the anilox inking unit 21, a dampening unit be added to moisten the printing forme cylinder 20.
  • the anilox inking unit 21 comprises a single applicator roller 22 and an anilox roller 23. In the printing operation, the applicator roller 22 rests not only on the anilox roller 23 but also on the printing form cylinder 20.
  • the outer diameter D of the anilox roller 23 is the same size as the outer diameter D of the applicator roller 22 and the outer diameter D of the printing forme cylinder 20.
  • On the anilox roller 23 is located on a Farbzu slaughter 24, in which in the case of the first anilox offset printing unit 11, the four-color printing ink Black B. is stored.
  • the ink supply device 24 comprises an upwardly open ink container 25 and attached to the substantially trough-shaped ink container 25 doctor blade 26.
  • doctor blade 26 In the printing operation is in the ink container 25, a color level 27 above a cutting edge 28 of the doctor blade 26, with which the latter rests against the anilox roller 23 ,
  • the doctor blade 26 is the only one of the ink feeder 24 and negatively aligned with respect to the indicated in the drawing with an arrow symbol rotation of the anilox roller 23, ie the doctor blade 26 is a so-called negative doctor blade. Except the doctor blade 26 is - in contrast to a chambered doctor blade - no more doctor blade on the anilox roller 23, neither another negative doctor blade nor a positive doctor.
  • FIG. 3 shows the example of the special color S1 verdruckenden offset printing unit 15 the structural design of the two additional offset printing units 15, 16.
  • the offset printing unit 15 includes except the impression cylinder 18 a blanket cylinder 19 and a plate cylinder 20. Since the three cylinders 18, 19, 20 of the offset printing unit 15 with the corresponding three cylinders 18, 19, 20 of the anilox offset printing unit 11 are identical, they are with the off FIG. 2 in FIG. 3 assumed reference numerals.
  • the offset printing unit 15 further comprises a roller inking unit 29 and could include a dampening unit associated with the roller inking unit 29.
  • the roller inking unit 29 is not an anilox inking unit but a siphon inking unit.
  • the roller inking unit 29 comprises an ink fountain 30 with an ink fountain roller 31 and a Farbdosier Anlagen 32.
  • the first spot color S1 is stored, it goes without saying that in the corresponding color box of the other additional offset printing unit 16, the second spot color S2 is stockpiled ,
  • the roller inking unit 29 further comprises a plurality of in the printing operation on the printing form cylinder 20 rolling applicator rollers 33, a squeegee roller 34, an inking roller 35 and other inking rollers not shown in the drawing, which are arranged between the inking roller 35 and the applicator rollers 33, including transfer rollers and axially iridescent Reibwalzen.
  • the lifting roller 34 performs an in FIG. 3 represented by an arrow symbol pendulum movement, as a result of which the squeegee roller 34 comes alternately with the ink fountain roller 31 and the inking roller 35 in Abroll animation to transfer from the latter to the latter the ink - here the special color S1.
  • FIG. 4 shows the ink fountain roller 31 and the Farbdosier Anlagen 32 in one of the viewing direction IV FIG. 3 corresponding representation.
  • the ink metering device 32 comprises metering elements 36 which are adjustable relative to each other for generating a zonal color profile 37.
  • the ink metering device 32 is subdivided into ink zones 38 adjacent to one another along the printing width, the metering elements 36 determining the ink layer thicknesses on the anilox roller 31 that vary from ink zone 38 to ink zone 38 corresponding to the ink profile 37.
  • the metering elements 36 may be metering cylinders, eccentrics, gate valves or ink fountain keys.
  • the special color S1 of a previous print job may be with respect to their z.
  • spot colors S1 were to be printed in an anilox offset printing unit whose "adjustment range" was determined by variation of the well filling volume of the anilox roller (screen roller replacement) and / or variation, a roller temperature difference (difference between screen roller temperature and inking roller temperature) would be an inking unit adaptation to the very different customer or spot colors S1 only to an insufficient extent possible.
  • the in the FIGS. 1 to 4 illustrated sheet-fed printing machine 1 is for printing of printing material sheet 39 (see. Figures 2 . 3 ), each of which on its sheet front side first in the anilox offset printing units 11 to 14 with the four-color printing inks Black B, Cyan C, Magenta M and Yellow Y and then in the additional offset printing units 15, 16 with the spot colors S1, S2 in the color order is printed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Printing Methods (AREA)

Abstract

The sheet printing machine (1) has three Anilox offset print units (11, 12, 13), and an offset print unit (15) and provided by a roller-type inking unit (29). A fourth Anilox offset print unit (14) is assigned to the three Anilox offset print units and that the offset print unit (15) provides a special color (S1) with the roller-type inking unit. The Anilox offset print units (11, 12, 13, 14) have four-color printing inks such as Black (B), Cyanogen (C), Magenta (M) and Yellow (Y). The special color is a different printing ink from the four-color printing inks.

Description

Die vorliegende Erfindung bezieht sich auf eine Bogendruckmaschine nach dem Oberbegriff des Anspruchs 1. Außerdem bezieht sich die Erfindung auf ein mittels einer solchen Bogendruckmaschine durchführbares Bogendruckverfahren.The present invention relates to a sheet-fed printing machine according to the preamble of claim 1. Furthermore, the invention relates to a feasible by means of such a sheet-fed press sheet printing method.

In EP 0 870 609 A2 ist eine derartige Bogendruckmaschine beschrieben. Ein Vorteil dieser Bogendruckmaschine des Standes der Technik ist in dem darin erwähnten Wegfall der Farbzonenverstellung zu sehen. Ungünstig ist die eingeschränkte Nutzbarkeit dieser Bogendruckmaschine.In EP 0 870 609 A2 Such a sheet-fed printing machine is described. An advantage of this prior art sheet printing machine can be seen in the omission of the ink zone adjustment mentioned therein. Unfavorable is the limited usability of this sheetfed press.

In DE 10241739 A1 ist eine Bogendruckmaschine beschrieben, die Anilox-Offsetdruckwerke für den Vierfarbendruck umfasst.In DE 10241739 A1 a sheetfed printing machine is described which comprises anilox offset printing units for four-color printing.

In DE 10047394 A1 ist eine Bogendruckmaschine beschrieben, die ein Druckwerk mit einer zonenlosen Dosiereinrichtung zum Verdrucken einer Sonderfarbe umfasst.In DE 10047394 A1 a sheet-fed printing machine is described which comprises a printing unit with a zoneless metering device for printing a special color.

Deshalb liegt der Erfindung die Aufgabe zugrunde, eine Bogendruckmaschine mit verbesserter Nutzbarkeit zu schaffen und ein mittels dieser Bogendruckmaschine durchführbares Bogendruckverfahren anzugeben.The invention is therefore based on the object to provide a sheet-fed printing machine with improved usability and to specify a sheet-fed printing process that can be carried out by means of this sheet-fed printing machine.

Diese Aufgabe wird durch eine Bogendruckmaschine mit den Merkmalen des Anspruchs 1 gelöst und ein Bogendruckverfahren mit den Merkmalen des Anspruchs 8.This object is achieved by a sheet-fed printing machine having the features of claim 1 and a sheet-fed printing method having the features of claim 8.

Vorteilhafte Weiterbildungen sind in den Unteransprüchen genannt.Advantageous developments are mentioned in the subclaims.

Die Sonderfarbe kann beispielsweise eine sogenannte Kundenfarbe sein. Bei dieser Weiterbildung können die Anilox-Offsetdruckwerke einer Farbreihenfolge entsprechend angeordnet sein, so dass das erste Anilox-Offsetdruckwerk die Vierfarbdruck-Druckfarbe Black führt, dass das zweite Anilox-Offsetdruckwerk die Vierfarbdruck-Druckfarbe Cyan führt und dem ersten Anilox-Offsetdruckwerk nachgeordnet ist, dass das dritte Anilox-Offsetdruckwerk die Vierfarbdruck-Druckfarbe Magenta führt und dem zweiten Anilox-Offsetdruckwerk nachgeordnet ist und dass das vierte Anilox-Offsetdruckwerk die Vierfarbdruck-Druckfarbe Yellow führt und dem dritten Anilox-Offsetdruckwerk nachgeordnet ist. Die zuvor verwandte Formulierung "nachgeordnet" bezieht sich auf die Bogenlaufrichtung der Druckmaschine. Vorzugsweise sind die Anilox-Offsetdruckwerke unmittelbar aufeinander folgend angeordnet. Hierbei kann das mit dem die Sonderfarbe führenden Walzenfarbwerk ausgestattete Offsetdruckwerk den Anilox-Offsetdruckwerken in Bogenlaufrichtung gesehen vorgeordnet oder vorzugsweise nachgeordnet sein. Die vier Anilox-Offsetdruckwerke dienen zum Bedrucken ein und derselben Bogenseite, auf welcher dadurch ein Vierfarbdruck erzeugt wird. Zum Bedrucken eben dieser Bogenseite mit der Sonderfarbe kann das das Walzenfarbwerk umfassende Offsetdruck dienen. Die Druckmaschine kann ein oder mehrere weitere Anilox-Offsetdruckwerke zum Bedrucken der Bogenvorder- oder -rückseite umfassen. Beispielsweise kann die Druckmaschine als Perfektor ausgebildet sein und neben den erfindungsgemäß vorhandenen vier Anilox-Offsetdruckwerken, die hierbei für den Schöndruck verwendet werden, weitere vier Anilox-Offsetdruckwerke umfassen, die für den Wiederdruck vorgesehen sind.The special color may for example be a so-called customer color. In this development, the anilox offset printing units can be arranged according to a color order, so that the first anilox offset printing unit performs the four-color printing ink Black, the second anilox offset printing unit leads the four-color printing ink cyan and downstream of the first anilox offset printing unit, the third anilox offset printing unit leads the four-color printing ink magenta and is arranged downstream of the second anilox offset printing unit and the fourth anilox offset printing unit leads the four-color printing ink Yellow and is arranged downstream of the third anilox offset printing unit. The previously related term "downstream" refers to the sheet travel direction of the printing press. Preferably, the anilox offset printing units are arranged directly following one another. In this case, the offset printing unit equipped with the roller inking unit carrying the special ink may be arranged upstream of, or preferably downstream of, the anilox offset printing units in the sheet running direction. The four anilox offset printing units are used to print on one and the same page on which a four-color print is produced. For printing just this sheet side with the special color can serve the roll inking comprehensive offset printing. The printing press may include one or more further anilox offset printing units for printing on the sheet front or backside. For example, the printing machine can be configured as a perfector and, in addition to the inventively present four anilox offset printing units, which are used here for the Perfecting, further four anilox offset printing units, which are provided for the Wiederdruck.

Bei einer weiteren Weiterbildung umfassen die Anilox-Offsetdruckwerke jeweils einen Druckformzylinder und eine mit dem Druckformzylinder durchmessergleiche Rasterwalze. Demgemäß ist der Außendurchmesser der Rasterwalze im Wesentlichen genauso groß wie der Außendurchmesser des Druckformzylinders.In a further development, the anilox offset printing units each comprise a printing form cylinder and an anilox roller of the same size as the printing form cylinder. Accordingly, the outer diameter of the anilox roller is substantially the same size as the outer diameter of the plate cylinder.

Bei einer weiteren Weiterbildung umfassen die Anilox-Offsetdruckwerke jeweils eine von einer Kammerrakel verschiedene Farbzufiihreinrichtung mit einem einzigen Rakelmesser. Die Farbzuführeinrichtung kann als eine Farbzuführwanne ausgebildet sein, in welcher die der jeweiligen Rasterwalze zuzuführende Druckfarbe gespeichert ist.In a further development, the anilox offset printing units each comprise a different inking device from a chamber doctor blade with a single doctor blade. The ink supply device may be formed as a Farbzuführwanne, in which the respective anilox roller to be supplied ink is stored.

Bei einer weiteren Weiterbildung umfasst jedes der Anilox-Offsetdruckwerke einen anderen Gegendruckzylinder. Demgemäß gibt es keinen sogenannten gemeinsamen Gegendruckzylinder, an den mehrere Gummituchzylinder angestellt sind.In a further development, each of the anilox offset printing units comprises a different impression cylinder. Accordingly, there is no so-called common impression cylinder to which a plurality of blanket cylinders are employed.

Das Walzenfarbwerk ist vorzugsweise als ein Heberfarbwerk ausgebildet.The roller inking unit is preferably designed as a lift inking unit.

Bei einer weiteren Weiterbildung umfasst die Druckmaschine ein weiteres Offsetdruckwerk mit einem weiteren Walzenfarbwerk, das eine von der Sonderfarbe verschiedene Sonderfarbe führt, welche ebenfalls eine von den Vierfarbdruck-Druckfarben verschiedene Druckfarbe ist. Die beiden Sonderfarben können z. B. verschiedene Kundenfarben sein.In a further development, the printing machine comprises a further offset printing unit with a further roller inking unit, which leads to a special color different from the special color, which is likewise a printing ink different from the four-color printing inks. The two special colors can z. B. be different customer colors.

Bei dem erfindungsgemäßen Bogendruckverfahren werden in der erfindungsgemäßen oder einer ihrer Weiterbildungen entsprechenden Bogendruckmaschine mittels der Anilox-Offsetdruckwerke die Vierfarbendruck-Druckfarben Black, Cyan, Magenta und Yellow gedruckt und wird danach mittels mindestens des einen ein Heberfarbwerk umfassenden Offsetdruckwerkes der Bogendruckmaschine mindestens die von den Vierfarbdruck-Druckfarben Black, Cyan, Magenta und Yellow verschiedene Sonderfarbe gedruckt.In the sheet-fed printing process according to the invention, the four-color printing inks black, cyan, magenta and yellow are printed in the sheetfed printing press according to the invention or one of its developments and then at least one of the four-color printing presses is provided by at least one offset printing unit of the sheetfed printing press comprising at least one infeed inking unit. Printing colors black, cyan, magenta and yellow printed various special color.

Weiterbildungen der Maschine und des Verfahrens ergeben sich auch aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels und der dazugehörigen Zeichnung.Further developments of the machine and the method will become apparent from the following description of a preferred embodiment and the accompanying drawings.

In dieser zeigt:

Figur 1
eine Bogendruckmaschine mit Anilox-Offsetdruckwerken und weiteren Offsetdruckwerken,
Figur 2
die Ausbildung der Anilox-Offsetdruckwerke,
Figur 3
die Ausbildung der weiteren Offsetdruckwerke, welche jeweils eine Farbdosiereinrichtung umfassen und
Figur 4
die Ausbildung der Farbdosiereinrichtungen.
In this shows:
FIG. 1
a sheetfed press with anilox offset printing units and other offset printing units,
FIG. 2
the training of anilox offset printing units,
FIG. 3
the formation of the other offset printing units, each comprising a Farbdosiereinrichtung and
FIG. 4
the formation of Farbdosiereinrichtungen.

Figur 1 zeigt eine Bogendruckmaschine 1 in Reihenbauweise. Die Bogendruckmaschine 1 umfasst einen Bogenanleger 2, einen Bogenausleger 3 und ein erstes, zweites, drittes und viertes Anilox-Offsetdruckwerk 11, 12, 13, 14. Außerdem umfasst die Bogendruckmaschine zusätzliche Offsetdruckwerke 15, 16, die den vier Anilox-Offsetdruckwerken 11 bis 14 in Bogenlaufrichtung 17 nachgeordnet sind. Jedes der Anilox-Offsetdruckwerke 11 bis 14 und der zusätzlichen Offsetdruckwerke 15, 16 umfasst einen eigenen Gegendruckzylinder 18. In dem ersten Anilox-Offsetdruckwerk 11 ist die Vierfarbdruck-Druckfarbe Black bzw. Schwarz B zum Verdrucken gespeichert, in dem zweiten Anilox-Offsetdruckwerk 12 die Vierfarbdruck-Druckfarbe Cyan C, in dem dritten Anilox-Offsetdruckwerk 13 die Vierfarbdruck-Druckfarbe Magenta M und in dem vierten Anilox-Offsetdruckwerk 14 die Vierfarbdruck-Druckfarbe Yellow bzw. Gelb Y. In das eine 15 der zusätzlichen Offsetdruckwerke 15, 16 ist eine erste Sonderfarbe S1 eingefüllt und in das andere 16 eine zweite Sonderfarbe S2. Die Anilox-Offsetdruckwerke 11 bis 14 und zusätzlichen Offsetdruckwerke 15, 16 sind in Bogenlaufrichtung 17 gesehen der Farbreihenfolge B-C-M-Y-S1-S2 entsprechend angeordnet. Die Sonderfarben S1, S2 sind von den Vierfarbdruck-Druckfarben B, C, M, Y verschiedene Druckfarben und voneinander verschieden. Die Anilox-Offsetdruckwerke 11 bis 14 sind vorzugsweise miteinander völlig baugleich. Gegebenenfalls könnte das erste Anilox-Offsetdruckwerk 11 aber auch als ein sogenanntes Anlegedruckwerk ausgebildet sein, welches sich durch die Integration einer Anlegeeinrichtung von den nachfolgenden Anilox-Offsetdruckwerken 12, 13, 14 unterscheidet. Eine solche Anlegeeinrichtung ist z. B. eine Anlegetrommel oder ein Vorgreifer. Auf jeden Fall sind die vier Anilox-Offsetdruckwerke 11 bis 14 bezüglich ihrer Druckwerkszylinder und Farbwerke miteinander baugleich. Die zusätzlichen Offsetdruckwerke 15, 16, welche die Sonderfarben S1, S2 führen, sind miteinander baugleich. FIG. 1 shows a sheet-fed press 1 in a row construction. The sheet-fed printing machine 1 comprises a sheet feeder 2, a sheet delivery 3 and a first, second, third and fourth anilox offset printing units 11, 12, 13, 14. In addition, the sheet-fed printing press comprises additional offset printing units 15, 16, which are the four anilox offset printing units 11 to 14 are arranged downstream in the sheet running direction 17. Each of the anilox offset printing units 11 to 14 and the additional offset printing units 15, 16 includes its own counter-pressure cylinder 18. In the first anilox offset printing unit 11, the four-color printing ink Black or black B is stored for printing, in the second anilox offset printing unit 12 the Four-color printing ink Cyan C, in the third anilox offset printing unit 13, the four-color printing ink Magenta M and in the fourth anilox offset printing unit 14, the four-color printing ink Yellow or Y Y. In the one 15 of the additional offset printing units 15, 16 is a first Special color S1 filled and in the other 16 a second special color S2. The anilox offset printing units 11 to 14 and additional offset printing units 15, 16 are arranged in the sheet running direction 17 of the color order BCMY-S1-S2 arranged accordingly. The spot colors S1, S2 are different from the four-color printing inks B, C, M, Y, and different from each other. The anilox offset printing units 11 to 14 are preferably identical to each other. Optionally, however, the first anilox offset printing unit 11 could also be designed as a so-called application printing unit, which differs from the subsequent anilox offset printing units 12, 13, 14 due to the integration of a placement device. Such a placement device is z. B. a feed drum or a pre-gripper. In any case, the four anilox offset printing units 11 to 14 with respect to their printing cylinder and inking units are identical to each other. The additional offset printing units 15, 16, which carry the special colors S1, S2, are identical to one another.

Figur 2 zeigt am Beispiel des ersten Anilox-Offsetdruckwerk 11 den konstruktiven Aufbau der Anilox-Offsetdruckwerke 11 bis 14. Das erste Anilox-Offsetdruckwerk 11 umfasst außer dem Gegendruckzylinder 18 einen Gummituchzylinder 19, einen Druckformzylinder 20 und ein Anilox-Farbwerk 21 zum Einfärben des Druckformzylinders 20. Gegebenenfalls könnte dem Anilox-Farbwerk 21 ein Feuchtwerk zum Einfeuchten des Druckformzylinders 20 beigeordnet sein. Das Anilox-Farbwerk 21 umfasst eine einzige Auftragwalze 22 und eine Rasterwalze 23. Im Druckbetrieb liegt die Auftragwalze 22 nicht nur an der Rasterwalze 23, sondern auch an dem Druckformzylinder 20 an. Der Außendurchmesser D der Rasterwalze 23 ist genauso groß wie der Außendurchmesser D der Auftragwalze 22 und der Außendurchmesser D des Druckformzylinders 20. An der Rasterwalze 23 liegt eine Farbzuführeinrichtung 24 an, in welcher im Falle des ersten Anilox-Offsetdruckwerks 11 die Vierfarbdruck-Druckfarbe Black B gespeichert ist. Es versteht sich von selbst, dass in den entsprechenden Farbzuführeinrichtungen der anderen Anilox-Offsetdruckwerke 12 bis 14 die anderen Vierfarbdruck-Druckfarben Cyan C, Magenta M, Yellow Y gespeichert sind. Die Farbzuführeinrichtung 24 umfasst einen nach oben offenen Farbbehälter 25 und ein an dem im Wesentlichen wannenförmigen Farbbehälter 25 angebrachtes Rakelmesser 26. Im Druckbetrieb befindet sich in dem Farbbehälter 25 ein Farbpegel 27 oberhalb einer Schneide 28 des Rakelmessers 26, mit welcher letzteres an der Rasterwalze 23 anliegt. Das Rakelmesser 26 ist das einzige der Farbzuführeinrichtung 24 und negativ bezüglich des in der Zeichnung mit einem Pfeilsymbol angegebenen Drehsinns der Rasterwalze 23 ausgerichtet, d. h. das Rakelmesser 26 ist eine sogenannte Negativrakel. Außer dem Rakelmesser 26 liegt - im Gegensatz zu einer Kammerrakel - kein weiteres Rakelmesser an der Rasterwalze 23 an, weder ein weiteres Negativrakel noch ein Positivrakel. FIG. 2 shows the example of the first anilox offset printing unit 11, the structural design of the anilox offset printing units 11 to 14. The first anilox offset printing unit 11 comprises in addition to the impression cylinder 18 a blanket cylinder 19, a printing form cylinder 20 and an anilox inking unit 21 for coloring the printing form cylinder 20th Optionally, the anilox inking unit 21, a dampening unit be added to moisten the printing forme cylinder 20. The anilox inking unit 21 comprises a single applicator roller 22 and an anilox roller 23. In the printing operation, the applicator roller 22 rests not only on the anilox roller 23 but also on the printing form cylinder 20. The outer diameter D of the anilox roller 23 is the same size as the outer diameter D of the applicator roller 22 and the outer diameter D of the printing forme cylinder 20. On the anilox roller 23 is located on a Farbzuführeinrichtung 24, in which in the case of the first anilox offset printing unit 11, the four-color printing ink Black B. is stored. It goes without saying that the other four-color printing inks cyan C, magenta M, yellow Y are stored in the corresponding ink feeders of the other anilox offset printing units 12 to 14. The ink supply device 24 comprises an upwardly open ink container 25 and attached to the substantially trough-shaped ink container 25 doctor blade 26. In the printing operation is in the ink container 25, a color level 27 above a cutting edge 28 of the doctor blade 26, with which the latter rests against the anilox roller 23 , The doctor blade 26 is the only one of the ink feeder 24 and negatively aligned with respect to the indicated in the drawing with an arrow symbol rotation of the anilox roller 23, ie the doctor blade 26 is a so-called negative doctor blade. Except the doctor blade 26 is - in contrast to a chambered doctor blade - no more doctor blade on the anilox roller 23, neither another negative doctor blade nor a positive doctor.

Figur 3 zeigt am Beispiel des die Sonderfarbe S1 verdruckenden Offsetdruckwerks 15 den konstruktiven Aufbau der beiden zusätzlichen Offsetdruckwerke 15, 16. Das Offsetdruckwerk 15 umfasst außer dem Gegendruckzylinder 18 einen Gummituchzylinder 19 und einen Druckformzylinder 20. Da die drei Zylinder 18, 19, 20 des Offsetdruckwerks 15 mit den entsprechenden drei Zylindern 18, 19, 20 des Anilox-Offsetdruckwerks 11 baugleich sind, sind sie mit den aus Figur 2 in Figur 3 übernommenen Bezugszeichen bezeichnet. FIG. 3 shows the example of the special color S1 verdruckenden offset printing unit 15 the structural design of the two additional offset printing units 15, 16. The offset printing unit 15 includes except the impression cylinder 18 a blanket cylinder 19 and a plate cylinder 20. Since the three cylinders 18, 19, 20 of the offset printing unit 15 with the corresponding three cylinders 18, 19, 20 of the anilox offset printing unit 11 are identical, they are with the off FIG. 2 in FIG. 3 assumed reference numerals.

Das Offsetdruckwerk 15 umfasst weiterhin ein Walzenfarbwerk 29 und könnte ein dem Walzenfarbwerk 29 beigeordnetes Feuchtwerk umfassen.The offset printing unit 15 further comprises a roller inking unit 29 and could include a dampening unit associated with the roller inking unit 29.

Das Walzenfarbwerk 29 ist kein Anilox-Farbwerk, sondern ein Heberfarbwerk. Das Walzenfarbwerk 29 umfasst einen Farbkasten 30 mit einer Farbkastenwalze 31 und einer Farbdosiereinrichtung 32. In dem Farbkasten 30 ist die erste Sonderfarbe S1 bevorratet, wobei es sich von selbst versteht, dass in dem entsprechenden Farbkasten des anderen zusätzlichen Offsetdruckwerks 16 die zweite Sonderfarbe S2 bevorratet ist. Das Walzenfarbwerk 29 umfasst weiterhin mehrere im Druckbetrieb auf dem Druckformzylinder 20 abrollende Auftragwalzen 33, eine Heberwalze 34, eine Farbwerkswalze 35 und weitere zeichnerisch nicht dargestellte Farbwerkswalzen, die zwischen der Farbwerkswalze 35 und den Auftragwalzen 33 angeordnet sind, darunter Übertragungswalzen und axial changierende Reibwalzen. Die Heberwalze 34 führt eine in Figur 3 mit einem Pfeilsymbol dargestellte Pendelbewegung aus, infolge welcher die Heberwalze 34 abwechselnd mit der Farbkastenwalze 31 und mit der Farbwerkswalze 35 in Abrollkontakt gelangt, um von ersterer auf letztere die Druckfarbe - hier die Sonderfarbe S1 - zu übertragen.The roller inking unit 29 is not an anilox inking unit but a siphon inking unit. The roller inking unit 29 comprises an ink fountain 30 with an ink fountain roller 31 and a Farbdosiereinrichtung 32. In the ink fountain 30, the first spot color S1 is stored, it goes without saying that in the corresponding color box of the other additional offset printing unit 16, the second spot color S2 is stockpiled , The roller inking unit 29 further comprises a plurality of in the printing operation on the printing form cylinder 20 rolling applicator rollers 33, a squeegee roller 34, an inking roller 35 and other inking rollers not shown in the drawing, which are arranged between the inking roller 35 and the applicator rollers 33, including transfer rollers and axially iridescent Reibwalzen. The lifting roller 34 performs an in FIG. 3 represented by an arrow symbol pendulum movement, as a result of which the squeegee roller 34 comes alternately with the ink fountain roller 31 and the inking roller 35 in Abrollkontakt to transfer from the latter to the latter the ink - here the special color S1.

Figur 4 zeigt die Farbkastenwalze 31 und die Farbdosiereinrichtung 32 in einer der Blickrichtung IV aus Figur 3 entsprechenden Darstellung. Die Farbdosiereinrichtung 32 umfasst Dosierelemente 36, welche zur Erzeugung eines zonalen Farbprofils 37 relativ zueinander verstellbar sind. Mittels der in einer Reihe angeordneten Dosierelemente 36 ist die Farbdosiereinrichtung 32 in entlang der Druckbreite nebeneinander liegende Farbzonen 38 unterteilt, wobei die Dosierelemente 36 die von Farbzone 38 zu Farbzone 38 entsprechend dem Farbprofil 37 variierenden Farbschichtdicken auf der Rasterwalze 31 bestimmen. In jeder der Farbzonen 38 ist eines der Dosierelemente 36 angeordnet. Die Dosierelemente 36 können Dosierzylinder, -exzenter, -schieber oder Farbzonenschrauben sein. FIG. 4 shows the ink fountain roller 31 and the Farbdosiereinrichtung 32 in one of the viewing direction IV FIG. 3 corresponding representation. The ink metering device 32 comprises metering elements 36 which are adjustable relative to each other for generating a zonal color profile 37. By means of the metering elements 36 arranged in a row, the ink metering device 32 is subdivided into ink zones 38 adjacent to one another along the printing width, the metering elements 36 determining the ink layer thicknesses on the anilox roller 31 that vary from ink zone 38 to ink zone 38 corresponding to the ink profile 37. In each of the ink zones 38 one of the metering elements 36 is arranged. The metering elements 36 may be metering cylinders, eccentrics, gate valves or ink fountain keys.

Die Sonderfarbe S1 eines vorhergehenden Druckauftrages kann sich bezüglich ihrer z. B. rheologischen Verarbeitungseigenschaften stark von der bei einem Farbwechsel eingefüllten Sonderfarbe S1 eines nachfolgenden Druckauftrags unterscheiden, zumal wenn es sich um Kundenfarben handelt.The special color S1 of a previous print job may be with respect to their z. B. rheological processing properties greatly from that in a color change special color S1 of a subsequent print job, especially when it comes to customer colors.

Würden die Sonderfarben S1 in einem Anilox-Offsetdruckwerk verdruckt werden, dessen "Stellbereich" durch Variation des Näpfchenfüllvolumens der Rasterwalze (Rasterwalzenaustausch) und/oder Variation eine Walzentemperaturdifferenz (Differenz zwischen Rasterwalzentemperatur und Farbauftragwalzentemperatur) bestimmt und somit sehr eingeschränkt ist, wäre eine Farbwerksanpassung an die sehr unterschiedlichen Kunden- bzw. Sonderfarben S1 nur in unzureichendem Maße möglich.If the spot colors S1 were to be printed in an anilox offset printing unit whose "adjustment range" was determined by variation of the well filling volume of the anilox roller (screen roller replacement) and / or variation, a roller temperature difference (difference between screen roller temperature and inking roller temperature) would be an inking unit adaptation to the very different customer or spot colors S1 only to an insufficient extent possible.

Der Vorteil des Offsetdruckwerks 15 mit dem Walzenfarbwerk 29 und von dessen Farbdosiereinrichtung 32 ist in deren großem Stellbereich zu sehen, welcher es gestattet, Druckfarben mit voneinander sehr verschiedenen Eigenschaften wahlweise in dem Walzenfarbwerk 29 zu verarbeiten.The advantage of the offset printing unit 15 with the roller inking unit 29 and its ink metering device 32 can be seen in its large adjustment range, which allows to process printing inks with mutually very different properties selectively in the roller inking unit 29.

Die in den Figuren 1 bis 4 dargestellte Bogendruckmaschine 1 wird zum Bedrucken von Bedruckstoffbogen 39 (vgl. Figuren 2, 3) verwendet, von denen jeder auf seiner Bogenvorderseite zuerst in den Anilox-Offsetdruckwerken 11 bis 14 mit den Vierfarbdruck-Druckfarben Black B, Cyan C, Magenta M und Yellow Y und danach in den zusätzlichen Offsetdruckwerken 15, 16 mit den Sonderfarben S1, S2 in der genannten Farbreihenfolge bedruckt wird.The in the FIGS. 1 to 4 illustrated sheet-fed printing machine 1 is for printing of printing material sheet 39 (see. Figures 2 . 3 ), each of which on its sheet front side first in the anilox offset printing units 11 to 14 with the four-color printing inks Black B, Cyan C, Magenta M and Yellow Y and then in the additional offset printing units 15, 16 with the spot colors S1, S2 in the color order is printed.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
BogendruckmaschineSheetfed
22
Bogenanlegersheet feeder
33
Bogenauslegersheet delivery
4-104-10
./../.
1111
erstes Anilox-Offsetdruckwerkfirst anilox offset printing unit
1212
zweites Anilox-Offsetdruckwerksecond anilox offset printing unit
1313
drittes Anilox-Offsetdruckwerkthird anilox offset printing unit
1414
viertes Anilox-Offsetdruckwerkfourth anilox offset printing unit
1515
OffsetdruckwerkOffset printing
1616
OffsetdruckwerkOffset printing
1717
BogenlaufrichtungSheet running direction
1818
GegendruckzylinderImpression cylinder
1919
GummituchzylinderBlanket cylinder
2020
DruckformzylinderPlate cylinder
2121
Aniloxfarbwerkanilox inking unit
2222
Auftragwalzeapplicator roll
2323
Rasterwalzeanilox roller
2424
Farbzuführeinrichtungink supplement
2525
Farbbehälterpaint container
2626
Rakelmesserdoctor blade
2727
Farbpegelcolor level
2828
Schneidecutting edge
2929
WalzenfarbwerkRoller inking unit
3030
Farbkastenpaintbox
3131
FarbkastenwalzeInk fountain roller
3232
Farbdosiereinrichtungink metering
3333
Auftragwalzeapplicator roll
3434
Heberwalzevibrator roller
3535
FarbwerkswalzeInking roller
3636
Dosierelementmetering
3737
Farbprofilcolor profile
3838
Farbzonecolor zone
3939
Bedruckstoffbogenprinting material
BB
Vierfarbdruck-Druckfarbe BlackFour Color Printing Ink Black
CC
Vierfarbdruck-Druckfarbe CyanFour-color printing ink cyan
MM
Vierfarbdruck-Druckfarbe MagentaFour-color printing ink magenta
YY
Vierfarbdruck-Druckfarbe YellowFour Color Printing Ink Yellow
S1S1
erste Sonderfarbefirst special color
S2S2
zweite Sonderfarbesecond spot color
DD
Außendurchmesserouter diameter

Claims (8)

  1. Sheet-fed printing press (1) comprising a first anilox offset printing unit (11), a second anilox offset printing unit (12), a third anilox offset printing unit (13) and a fourth anilox offset printing unit (14), the anilox offset printing units (11, 12, 13, 14) providing printing ink in the four-colour printing process colours black (B), cyan (C), magenta (M) and yellow (Y),
    characterized in
    that the sheet-fed printing press (1) includes an offset printing unit (15) with a roller-type inking unit (29) that is different from an anilox inking unit and provides printing ink in a special colour (S1) different from the four process colours (B, C, M, Y), and that the roller-type inking unit (29) comprises an ink metering device (32) with adjustable ink zones (38).
  2. Sheet-fed printing press according to Claim 1,
    characterized in
    that the first anilox offset printing unit (11) provides printing ink in the four-colour printing process colour black (B), the second anilox offset printing unit (12) provides printing ink in the four-colour printing process colour cyan (C) and is arranged downstream of the first anilox offset printing unit (11), that the third anilox offset printing unit (13) provides ink in the four-color printing process colour magenta (M) and is arranged downstream of the second anilox offset printing unit (12), and that the fourth anilox offset printing unit (14) provides ink in the four-colour printing process colour yellow (Y) and is arranged downstream of the third anilox offset printing unit (13).
  3. Sheet-fed printing press according to one of Claims 1 or 2,
    characterized in
    that each of the anilox offset printing units (11, 12, 13, 14) comprises a printing forme cylinder (20) and a screen roller (23) that has the same diameter as the printing forme cylinder (20).
  4. Sheet-fed printing press according to one of Claims 1 to 3,
    characterized in
    that each of the anilox offset printing units (11, 12, 13, 14) comprises an ink feeding device (24) that is different from a chambered doctor blade and has a single doctor blade (26).
  5. Sheet-fed printing press according to one of Claims 1 to 4,
    characterized in
    that each of the anilox offset printing units (11, 12, 13, 14) comprises a different impression cylinder (18).
  6. Sheet-fed offset printing press according to one of Claims 1 to 5,
    characterized in
    that the roller-type inking unit (29) is a vibrator-type inking unit.
  7. Sheet-fed offset printing press according to one of Claims 1 to 6,
    characterized in
    that a further offset printing unit (16) including a further roller-type inking unit is provided, which provides ink in a special colour (S2) different from the special colour (S1) and from the four-colour printing process colours (B, C, M, Y).
  8. Sheet-printing method wherein in the sheet-fed printing press designed in accordance with one of Claims 1 to 7, the four-colour printing process colours black (B), cyan (C), magenta (M) and yellow (Y) are printed by means of the anilox offset printing units (11, 12, 13, 14) and wherein subsequently at least the special colour (S1) that is different from the four-colour printing process colours black (B), cyan (C), magenta (M) and yellow (Y) is printed by means of at least the one offset printing unit (15) comprising a vibrator-type inking unit (29) in the sheet-fed printing press.
EP06116685A 2005-08-10 2006-07-06 Sheet printing machine and process for sheet printing Not-in-force EP1752287B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005037743A DE102005037743A1 (en) 2005-08-10 2005-08-10 Sheetfed

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EP1752287A2 EP1752287A2 (en) 2007-02-14
EP1752287A3 EP1752287A3 (en) 2008-06-04
EP1752287B1 true EP1752287B1 (en) 2012-04-18

Family

ID=37525611

Family Applications (1)

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EP (1) EP1752287B1 (en)
CN (1) CN1911655B (en)
AT (1) ATE553921T1 (en)
DE (1) DE102005037743A1 (en)

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Publication number Priority date Publication date Assignee Title
US20150128821A1 (en) * 2013-11-13 2015-05-14 Stolle Machinery Company, Llc Fountain blade assembly for can decorator machine ink station assembly
CN106393952A (en) * 2016-08-31 2017-02-15 福建南王环保科技股份有限公司 Single paper flexo printing machine with asynchronous printing unit
CN114889310B (en) * 2022-06-17 2024-06-07 浙江汉辰科技有限公司 Intelligent flexographic printing machine

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Publication number Priority date Publication date Assignee Title
DD278551A1 (en) * 1988-12-27 1990-05-09 Polygraph Leipzig METHOD AND DEVICE FOR PROCESSING SPECIAL COLORS IN BORENO PRESSURE MACHINES
DE19750259B4 (en) * 1997-02-17 2008-09-18 Heidelberger Druckmaschinen Ag Method and printing machine for multicolor printing of non-absorbent material
DE19714807A1 (en) * 1997-04-10 1998-10-15 Kba Planeta Ag Sheet flexo printing machine
EP0870609A3 (en) * 1997-04-10 1999-05-12 Kba-Planeta Ag Sheet-fed flexographic press
DE59908515D1 (en) * 1998-12-17 2004-03-18 Koenig & Bauer Ag Sheetfed
DE10047394A1 (en) 1999-10-15 2001-04-19 Heidelberger Druckmasch Ag Modular printing machine system satellite system of print cylinders and a second printer with one zone-less printing device for uniform dosage of ink
DE10241739A1 (en) 2001-10-08 2003-04-10 Heidelberger Druckmasch Ag Multi-color printing unit has ink storage so meniscus lies above doctor blade wiper edge as adjoining notched roller center angle region at maximum angle to horizontal above and below.
DE10351868A1 (en) * 2003-11-06 2005-06-09 Koenig & Bauer Ag Multi-purpose print machine incorporates at least an offset printing unit, a flexo printing unit and or a gravure unit as well as a conditioning unit in the form of an embossing unit

Also Published As

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ATE553921T1 (en) 2012-05-15
EP1752287A2 (en) 2007-02-14
DE102005037743A1 (en) 2007-02-15
CN1911655A (en) 2007-02-14
CN1911655B (en) 2010-09-01
EP1752287A3 (en) 2008-06-04

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