EP0895858B1 - Printing tower of a printing machine - Google Patents

Printing tower of a printing machine Download PDF

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Publication number
EP0895858B1
EP0895858B1 EP98113925A EP98113925A EP0895858B1 EP 0895858 B1 EP0895858 B1 EP 0895858B1 EP 98113925 A EP98113925 A EP 98113925A EP 98113925 A EP98113925 A EP 98113925A EP 0895858 B1 EP0895858 B1 EP 0895858B1
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EP
European Patent Office
Prior art keywords
printing
roller
cylinder
application
inking
Prior art date
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Revoked
Application number
EP98113925A
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German (de)
French (fr)
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EP0895858A1 (en
Inventor
Roland Dr.-Ing. Kühn
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KBA Planeta AG
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KBA Planeta AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/36—Inking-rollers serving also to apply ink repellants

Definitions

  • the dampening units are also designed in several variants, the usual dampening units comprising a dampening roller, an upstream transfer roller and a duct roller rotating in a trough. These dampening units can be connected to the inking unit via a bridge roller to form an inking unit / dampening unit. All dampening units have in common that they have at least one dampening roller.
  • These printing towers described are earmarked, ie only designed for offset printing.
  • Printing towers for flexographic printing presses with anilox coloring are also known from the cited literature reference, an anilox roller with a chamber doctor blade device being assigned to the printing form cylinder for the application of low-viscosity printing ink. This printing tower is also designed for a specific purpose and is particularly unsuitable for high-quality inking of the printing form.
  • the object of the invention is a printing tower of high variability for several purposes with the like Build up and / or by partially using already existing and / or by exchange existing funds against other appropriate means.
  • the solutions according to the invention ensure that existing conventional Print towers in conjunction with a dampening system for inking offset printing forms serve, with partial use of existing means using some additives for other purposes - anilox coloring of offset printing forms or dry offset printing forms or flexographic printing plates can be converted (conversion variant) or that the Equipping machines with conventional offset printing towers or flexographic printing towers or dry offset printing towers or offset printing towers, flexographic printing towers or dry offset printing towers with anilox coloring in the manufacturer's factory with partial use of the same Medium is easily possible (equipment variant).
  • the equipment variant in turn, between a first equipment variant, at the pressure tower is equipped for all the purposes mentioned and when used for a specific purpose Certain means are deactivated and a second equipment variant, in which the pressure tower is specially equipped for one or more purposes.
  • the printing tower 1 shown in FIG. 1 for conventional offset printing contains a printing form cylinder 2 with an offset printing form 3, an offset cylinder 4 which is in operative connection with the printing form cylinder 2, usually covered with a rubber blanket, and an inking unit 6; 7 and a dampening unit 15.
  • the offset cylinder 4 is operatively connected to a pressure cylinder 5 not arranged in the printing tower 1.
  • the inking unit 6; 7 contains the two main assemblies, lower inking unit 6 and upper inking unit 7.
  • the upper inking unit 7 contains an ink supply line 8 with a divider roller 9 for connecting the upper inking unit 7 to the lower inking unit 6.
  • the lower inking unit 6 contains two applicator roller groups 10, each consisting of two applicator rollers 11 and a distribution cylinder 12 connecting them; an embodiment with only one applicator roller group is also possible.
  • the connection between the lower and upper inking units is realized via the dividing roller 9 and the distribution cylinder 12.
  • the two applicator roller groups 10 are connected to one another or to an odd number of rollers either via a connecting roller 13 connecting their applicator rollers 11 and / or via a bridge group 14 connecting the distribution cylinders 12.
  • the dampening application roller 16 is assigned an anilox roller 21 with chamber doctor blade 22 and the connection between the dampening application roller 16 and the transfer roller 17 is interrupted (indicated by a two-way arrow) (FIG. 2) or the transfer roller 17, the duct roller 18 and the trough 19 are not present and the anilox roller 21 is inserted into the bearing of the transfer roller 17 (FIG. 3).
  • the dampening roller 16 is assigned a rider roller 25 (FIG. 2).
  • this design with anilox coloring via the dampening unit 15 is the lower and upper Inking unit 6; 7 not installed or it is deactivated.
  • the lower inking unit 6 of a conventional printing tower 1, as shown in FIG. 1 is used to homogenize the ink applied by the modified dampening unit, the lower inking unit 6 in the variants with one or two application roller groups 10 or with two applicator roller groups 10, which are connected by a connecting roller 13 and / or bridge group 14, can be used.
  • the rider roller 25 can be assigned to the dampening unit or the dampening unit and the lower inking unit 6, it functions as a bridge roller 20.
  • the printing form cylinder 2 is covered with a plate printing form 24
  • the upper and lower inking unit 6; 7 and the dampening unit 15 are activated for conventional offset printing and for offset printing, dry offset printing and flexographic printing with anilox inking is the upper inking unit 7 or the upper and lower inking units 6; 7 deactivated.
  • the upper inking unit 7 is deactivated by removing the connection between the dividing roller 9 and the distribution cylinder 12.
  • the printing form cylinder is provided with a blanket covering instead of a printing form, ie it functions as an application cylinder and if the offset cylinder is equipped with a printing form instead of a blanket covering, i.e. if it functions as a form cylinder, the ink is transferred directly to the sheet to be printed.
  • the anilox roller 21 can be directly assigned to the application cylinder, wherein the anilox roller can be assigned a rubbing rider roller 25.
  • the combination of anilox roller 21 is also directly assigned to the application cylinder, connection of the lower inking unit 6 to the dampening unit 15 via a bridge roller 20 is possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Description

Es sind Drucktürme, die einen Druckformzylinder, einen mit einem Druckzylinder zusammenwirkenden Offsetzylinder sowie ein Farb- und ein Feuchtwerk enthalten, bekannt (Teschner, Offsetdrucktechnik, Fachschriften-Verlag Fellbach 1989, Abschnitt 10.3.3 Farbwerke).
Dabei sind die Farbwerke in vielerlei Ausführungsformen bekannt; wobei aber alle Ausführungsformen typische Elemente enthalten, wie ein oberes Farbwerk mit mindestens einem Farbzuführstrang und ein unteres Farbwerk mit mindestens einer Auftragwalzengruppe, die zwei Auftragwalzen und einen diese verbindenden Reibzylinder enthält.
Varianten dieses Farbwerkes sind beispielsweise

  • zwei Auftragwalzengruppen,
  • zwei Auftragwalzengruppen, die durch eine Verbindungswalze verbunden sind,
  • zwei Auftragwalzengruppen, die durch eine Brückengruppe verbunden sind,
  • zwei Auftragwalzengruppen, die durch eine Verbindungswalze und eine Brückengruppe miteinander verbunden sind.
Printing towers are known which contain a printing form cylinder, an offset cylinder interacting with a printing cylinder and an inking and dampening unit (Teschner, Offsetdrucktechnik, Fachschriften-Verlag Fellbach 1989, section 10.3.3 Farbwerke).
The inking units are known in many embodiments; However, all of the embodiments contain typical elements, such as an upper inking unit with at least one ink supply line and a lower inking unit with at least one application roller group, which contains two application rollers and a distribution cylinder connecting them.
Variants of this inking system are, for example
  • two applicator roller groups,
  • two applicator roller groups, which are connected by a connecting roller,
  • two applicator roller groups connected by a bridge group,
  • two applicator roller groups, which are connected by a connecting roller and a bridge group.

Dabei ist es erheblich, ob es sich um einen Druckturm für den Bogen- oder Rollendruck handelt.
Die Feuchtwerke sind ebenfalls in mehreren Varianten ausgeführt, wobei die üblichen Feuchtwerke eine Feuchtauftragwalze, eine vorgeordnete Übertragungswalze und eine in einem Trog umlaufende Duktorwalze enthalten. Über eine Brückenwalze können diese Feuchtwerke mit dem Farbwerk zu einem Farb-/Feuchtwerk verbunden werden. Allen Feuchtwerken ist dabei gemeinsam, dass sie über mindestens eine Feuchtauftragwalze verfügen.
Diese beschriebenen Drucktürme sind zweckgebunden, d.h. nur für den Offsetdruck konzipiert.
Es sind auch Drucktürme für Flexodruckmaschinen mit Aniloxeinfärbung durch die angeführte Literaturstelle bekannt, wobei zum Auftrag von niedrigviskoser Druckfarbe dem Druckformzylinder eine Rasterwalze mit einer Kammerrakeleinrichtung zugeordnet ist.
Dieser Druckturm ist ebenfalls zweckgebunden konzipiert und insbesondere für eine hochwertige Einfärbung der Druckform nicht geeignet.It is significant whether it is a printing tower for sheet or web printing.
The dampening units are also designed in several variants, the usual dampening units comprising a dampening roller, an upstream transfer roller and a duct roller rotating in a trough. These dampening units can be connected to the inking unit via a bridge roller to form an inking unit / dampening unit. All dampening units have in common that they have at least one dampening roller.
These printing towers described are earmarked, ie only designed for offset printing.
Printing towers for flexographic printing presses with anilox coloring are also known from the cited literature reference, an anilox roller with a chamber doctor blade device being assigned to the printing form cylinder for the application of low-viscosity printing ink.
This printing tower is also designed for a specific purpose and is particularly unsuitable for high-quality inking of the printing form.

Aufgabe der Erfindung ist ein Druckturm hoher Variabilität für mehrere Zwecke bei ähnlichem Aufbau und/oder unter teilweise Verwendung bereits vorhandener und/oder durch Austausch vorhandener Mittel gegen andere zweckentsprechende Mittel. The object of the invention is a printing tower of high variability for several purposes with the like Build up and / or by partially using already existing and / or by exchange existing funds against other appropriate means.

Erfindungsgemäß wird die Aufgabe durch die Patentansprüche gelöstAccording to the invention the object is solved by the claims

Durch die erfindungsgemäßen Lösungen wird erreicht, dass vorhandene konventionelle Drucktürme, die in Verbindung mit einem Feuchtwerk zur Einfärbung von Offsetdruckformen dienen, bei teilweiser Nutzung vorhandener Mittel unter Verwendung einiger Zusatzmittel für weitere Zwecke - Anilox-Einfärbung von Offsetdruckformen oder Trockenoffsetdruckformen oder Flexodruckformen-umgerüstet werden können (Umrüstungsvariante) bzw. dass die Ausrüstung von Maschinen mit konventionellen Offsetdrucktürmen oder Flexodrucktürmen oder Trockenoffsetdrucktürmen oder Offsetdrucktürmen, Flexodrucktürmen oder Trockenoffsetdrucktürmen mit Aniloxeinfärbung im Herstellerwerk bei teilweiser Verwendung gleicher Mittel problemlos möglich ist (Ausrüstungsvariante).The solutions according to the invention ensure that existing conventional Print towers in conjunction with a dampening system for inking offset printing forms serve, with partial use of existing means using some additives for other purposes - anilox coloring of offset printing forms or dry offset printing forms or flexographic printing plates can be converted (conversion variant) or that the Equipping machines with conventional offset printing towers or flexographic printing towers or dry offset printing towers or offset printing towers, flexographic printing towers or dry offset printing towers with anilox coloring in the manufacturer's factory with partial use of the same Medium is easily possible (equipment variant).

Bei der Ausrüstungsvariante wird wiederum zwischen einer ersten Ausrüstungsvariante, bei der der Druckturm für alle genannten Zwecke ausgerüstet ist und bei Einsatz für einen bestimmten Zweck bestimmte Mittel deaktiviert werden und einer zweiten Ausrüstungsvariante, bei der der Druckturm speziell für einen oder mehrere Zwecke ausgerüstet wird, unterschieden.In the equipment variant, in turn, between a first equipment variant, at the pressure tower is equipped for all the purposes mentioned and when used for a specific purpose Certain means are deactivated and a second equipment variant, in which the pressure tower is specially equipped for one or more purposes.

Bei der Umrüstvariante werden bereits installierte Drucktürme unter Verwendung einiger Zusatzmittel und Deaktivierung nicht benötigter Mittel für die speziellen Zwecke umgerüstet.With the retrofit variant, already installed printing towers are made using some additives and deactivation of unnecessary funds converted for special purposes.

Nachfolgend werden die erfindungsgemäßen Lösungen an einem Ausführungsbeispiel näher erläutert.
In den Zeichnungen zeigen

Fig. 1
Druckturm für konventionellen Offsetdruck,
Fig. 2
Druckturm für den Druck mit Aniloxeinfärbung 1. Variante (Offsetdruck, Trockenoffset, Flexodruck),
Fig. 3
Druckturm für den Druck mit Aniloxeinfärbung 2. Variante,
Fig. 4
Druckturm für den Druck mit Aniloxeinfärbung und Vergleichmäßigung,
Fig. 5
Druckturm mit Vergleichmäßigung (Direktzuordnung).
The solutions according to the invention are explained in more detail below using an exemplary embodiment.
Show in the drawings
Fig. 1
Printing tower for conventional offset printing,
Fig. 2
Printing tower for printing with anilox coloring 1st variant (offset printing, dry offset, flexographic printing),
Fig. 3
Printing tower for printing with anilox coloring 2nd variant,
Fig. 4
Printing tower for printing with anilox coloring and smoothing,
Fig. 5
Pressure tower with equalization (direct allocation).

Der in Fig. 1 dargestellte Druckturm 1 für den konventionellen Offsetdruck enthält einen Druckformzylinder 2 mit einer Offsetdruckform 3, einen in Wirkverbindung mit dem Druckformzylinder 2 stehenden, üblicherweise mit Gummituch bespannten Offsetzylinder 4, einem Farbwerk 6; 7 und einem Feuchtwerk 15.
Der Offsetzylinder 4 steht mit einem nicht im Druckturm 1 angeordneten Druckzylinder 5 in Wirkverbindung.
Das Farbwerk 6; 7 enthält die zwei Hauptbaugruppen unteres Farbwerk 6 und oberes Farbwerk 7. Das obere Farbwerk 7 enthält einen Farbzuführstrang 8 mit einer Teilerwalze 9 zur Verbindung des oberen Farbwerkes 7 mit dem unteren Farbwerk 6.
Das untere Farbwerk 6 enthält zwei Auftragwalzengruppen 10, bestehend aus jeweils zwei Auftragwalzen 11 und einem diese verbindenden Reibzylinder 12; wobei eine Ausführungsart mit nur einer Auftragwalzengruppe auch möglich ist Die Verbindung zwischen unteren und oberen Farbwerk wird über die Teilerwalze 9 und den Reibzylinder 12 realisiert. Die beiden Auftragwalzengruppen 10 sind entweder über eine deren Auftragwalzen 11 verbindende Verbindungswalze 13 und/oder über eine die Reibzylinder 12 verbindende Brückengruppe 14 mit einer oder einer ungeraden Anzahl von Walzen miteinander verbunden.The printing tower 1 shown in FIG. 1 for conventional offset printing contains a printing form cylinder 2 with an offset printing form 3, an offset cylinder 4 which is in operative connection with the printing form cylinder 2, usually covered with a rubber blanket, and an inking unit 6; 7 and a dampening unit 15.
The offset cylinder 4 is operatively connected to a pressure cylinder 5 not arranged in the printing tower 1.
The inking unit 6; 7 contains the two main assemblies, lower inking unit 6 and upper inking unit 7. The upper inking unit 7 contains an ink supply line 8 with a divider roller 9 for connecting the upper inking unit 7 to the lower inking unit 6.
The lower inking unit 6 contains two applicator roller groups 10, each consisting of two applicator rollers 11 and a distribution cylinder 12 connecting them; an embodiment with only one applicator roller group is also possible. The connection between the lower and upper inking units is realized via the dividing roller 9 and the distribution cylinder 12. The two applicator roller groups 10 are connected to one another or to an odd number of rollers either via a connecting roller 13 connecting their applicator rollers 11 and / or via a bridge group 14 connecting the distribution cylinders 12.

Das Feuchtwerk 15 besteht aus einer Feuchtauftragwalze 16, einer vorgeordneten Übertragungswalze 17 und einem dieser vorgeordneten Duktorwalze 18, die in einem Trog 19 umläuft
Nach einer Ausführungsart ist das Feuchtwerk 15 über eine Brückenwalze 20 mit der Auftragwalzengruppe 10 verbindbar (Wirkverbindung Feuchtauftragwalze 16/Brückenwalze 20/Auftragwalze 11).
Als Feuchtwerke können auch Feuchtwerktypen mit anderer Konfiguration verwendet werden.The dampening unit 15 consists of a dampening roller 16, an upstream transfer roller 17 and one of these upstream duct roller 18, which rotates in a trough 19
According to one embodiment, the dampening unit 15 can be connected to the applicator roller group 10 via a bridge roller 20 (active connection of the dampening applicator roller 16 / bridge roller 20 / applicator roller 11).
Dampening unit types with a different configuration can also be used as dampening units.

In den Figuren 2 bis 5 ist der Druckturm für den Druck mit Aniloxeinfärbung - Offsetdruck (bei Offsetdruck ist der Druckformzylinder 2 mit einer Offsetdruckform 3 ausgestattet), Flexodruck (bei Flexodruck ist der Druckformzylinder 2 mit einer Klischeedruckform 24 ausgestattet) und Trockenoffsetdruck (bei Trockenoffsetdruck ist der Druckformzylinder mit einer Trockenoffsetdruckform 23 ausgestattet)-dargestellt, d.h. dieser Druckturm ist auch nutzbar für die Aniloxeinfärbung der Offsetdruckform 3, der Klischeedruckform 24 und der Trockenoffsetdruckform 23.
Zum Farbauftrag (Aniloxeinfärbung) über das Feuchtwerk 15 ist der Feuchtauftragwalze 16 desselben eine Rasterwalze 21 mit Kammerrakel 22 zugeordnet und die Verbindung zwischen der Feuchtauftragwalze 16 und der Übertragungswalze 17 ist unterbrochen (durch einen Zweirichtungspfeil angedeutet) (Fig. 2) oder die Übertragungswalze 17, die Duktorwalze 18 und der Trog 19 sind nicht vorhanden und die Rasterwalze 21 ist in die Lagerstelle der Übertragungswalze 17 eingesetzt (Fig. 3).FIGS. 2 to 5 show the printing tower for printing with anilox inking - offset printing (in the case of offset printing, the printing form cylinder 2 is equipped with an offset printing form 3), flexographic printing (in the case of flexographic printing, the printing form cylinder 2 is equipped with a plate printing form 24) and dry offset printing (in the case of dry offset printing the printing form cylinder is equipped with a dry offset printing form 23) -shown, ie this printing tower can also be used for the anilox coloring of the offset printing form 3, the plate printing form 24 and the dry offset printing form 23.
For ink application (anilox inking) via the dampening unit 15, the dampening application roller 16 is assigned an anilox roller 21 with chamber doctor blade 22 and the connection between the dampening application roller 16 and the transfer roller 17 is interrupted (indicated by a two-way arrow) (FIG. 2) or the transfer roller 17, the duct roller 18 and the trough 19 are not present and the anilox roller 21 is inserted into the bearing of the transfer roller 17 (FIG. 3).

Nach einer Ausführungsform ist der Feuchtauftragwalze 16 eine Reiterwalze 25 zugeordnet (Fig.2). Bei dieser Bauform mit Aniloxeinfärbung über das Feuchtwerk 15 ist das untere und obere Farbwerk 6; 7 nicht installiert oder es wird deaktiviert.According to one embodiment, the dampening roller 16 is assigned a rider roller 25 (FIG. 2). In this design with anilox coloring via the dampening unit 15 is the lower and upper Inking unit 6; 7 not installed or it is deactivated.

Nach einer weiteren Ausführungsform (Fig. 4) wird zur Vergleichmäßigung der vom modifizierten Feuchtwerk aufgetragenen Farbe das untere Farbwerk 6 eines konventionellen Druckturmes 1, wie in Fig. 1 dargestellt, eingesetzt, wobei das untere Farbwerk 6 in den Varianten mit einer oder zwei Auftragwalzengruppen 10 oder mit zwei Auftragwalzengruppen 10, die durch eine Verbindungswalze 13 und/oder Brückengruppe 14 verbunden sind, angewendet werden kann.
Die Reiterwalze 25 kann bei dieser weiteren Ausführungsform dem Feuchtwerk oder dem Feuchtwerk und dem unteren Farbwerk 6, sie fungiert dabei als Brückenwalze 20, zugeordnet werden.
Das obere Farbwerk 7 ist bei dieser weiteren Ausführungsform entweder nicht vorhanden, d.h. der Druckturm ist für spezielle Zwecke ausgerüstet oder wird deaktiviert, d.h. der Druckturm ist für mehrere Zwecke ausgerüstet und es erfolgt bei Einsatz für einen bestimmten Zweck eine Deaktivierung bestimmter Mittel.
Bei der Ausrüstungsvariante des Druckturmes 1 für den konventionellen Offsetdruck ist das untere und obere Farbwerk 6; 7 und das Feuchtwerk 15 vorhanden; für den Offsetdruck, den Trockenoffsetdruck und den Flexodruck mit Aniloxeinfärbung fehlt das obere Farbwerk 7, d.h. dieses wird nicht installiert. Bei Flexodruck ist der Druckformzylinder 2 mit einer Klischeedruckform 24 belegt
Bei der Umrüstungsvariante des Druckturmes 1 ist das obere und untere Farbwerk 6; 7 und das Feuchtwerk 15 für den konventionellen Offsetdruck aktiviert und für den Offsetdruck, den Trockenoffsetdruck und den Flexodruck mit Aniloxeinfärbung ist das obere Farbwerk 7 oder das obere und untere Farbwerk 6; 7 deaktiviert.
Die Deaktivierung des oberen Farbwerkes 7 erfolgt über das Aufheben der Verbindung zwischen Teilerwalze 9 und Reibzylinder 12. Bei Verwendung von Druckformzylinder 2 und Offsetzylinder 4 erfolgt die Farbübertragung auf den zu bedruckenden Bogen indirekt. Ist der Druckformzylinder statt mit einer Druckform mit einer Gummituchbespannung versehen, d.h. fungiert dieser als Auftragzylinder und ist der Offsetzylinder statt mit einer Gummituchbespannung mit einer Druckform belegt, d.h. fungiert dieser als Formzylinder, erfolgt die Farbübertragung auf den zu bedruckenden Bogen direkt.
Die Rasterwalze 21 kann dabei, wie in Fig. 5 dargestellt, dem Auftragzylinder direkt zugeordnet werden, wobei der Rasterwalze eine verreibende Reiterwalze 25 zugeordnet werden kann. Es ist auch die Kombination Rasterwalze 21 dem Auftragzylinder direkt zugeordnet, Verbindung des unteren Farbwerkes 6 mit dem Feuchtwerk 15 über eine Brückenwalze 20 möglich.According to a further embodiment (FIG. 4), the lower inking unit 6 of a conventional printing tower 1, as shown in FIG. 1, is used to homogenize the ink applied by the modified dampening unit, the lower inking unit 6 in the variants with one or two application roller groups 10 or with two applicator roller groups 10, which are connected by a connecting roller 13 and / or bridge group 14, can be used.
In this further embodiment, the rider roller 25 can be assigned to the dampening unit or the dampening unit and the lower inking unit 6, it functions as a bridge roller 20.
The upper inking unit 7 is either not present in this further embodiment, ie the printing tower is equipped for special purposes or is deactivated, ie the printing tower is equipped for several purposes and certain means are deactivated when used for a specific purpose.
In the equipment variant of the printing tower 1 for conventional offset printing, the lower and upper inking unit 6; 7 and the dampening unit 15 available; the upper inking unit 7 is missing for offset printing, dry offset printing and flexographic printing with anilox coloring, ie this is not installed. In flexographic printing, the printing form cylinder 2 is covered with a plate printing form 24
In the conversion variant of the printing tower 1, the upper and lower inking unit 6; 7 and the dampening unit 15 are activated for conventional offset printing and for offset printing, dry offset printing and flexographic printing with anilox inking is the upper inking unit 7 or the upper and lower inking units 6; 7 deactivated.
The upper inking unit 7 is deactivated by removing the connection between the dividing roller 9 and the distribution cylinder 12. When using the printing form cylinder 2 and offset cylinder 4, the ink transfer to the sheet to be printed takes place indirectly. If the printing form cylinder is provided with a blanket covering instead of a printing form, ie it functions as an application cylinder and if the offset cylinder is equipped with a printing form instead of a blanket covering, i.e. if it functions as a form cylinder, the ink is transferred directly to the sheet to be printed.
As shown in FIG. 5, the anilox roller 21 can be directly assigned to the application cylinder, wherein the anilox roller can be assigned a rubbing rider roller 25. The combination of anilox roller 21 is also directly assigned to the application cylinder, connection of the lower inking unit 6 to the dampening unit 15 via a bridge roller 20 is possible.

Die genannten zweckgebundenen Möglichkeiten der Aus- bzw. Umrüstung der Drucktürme sind in nachfolgender Tabelle zusammengefasst. aktiv nicht vorhanden bzw. deaktiviert Druckform konv. Offsetdruck oberes Farbwerk 7 unteres Farbwerk 6 Feuchtwerk 15 - konv. Offsetdruckform 3 konv. Trockenoffsetdruck oberes Farbwerk 7 unteres Farbwerk 6 Feuchtwerk 15 Trockenoffsetdruckform 23 Offsetdruck, Trockenoffsetdruck, Flexodruck mit Aniloxeinfärbung Feuchtwerk 15 oberes Farbwerk 7; unteres Farbwerk 6 Trockenoffsetdruckform 23 Klischeedruckform 24 Offsetdruckform 3 Offsetdruck, Trockenoffsetdruck, Flexodruck mit Aniloxeinfärbung und Vergleichmäßigung Feuchtwerk 15 unteres Farbwerk 6 oberes Farbwerk 7 Trockenoffsetdruckform 23 Klischeedruckform 24 Offestdruckform 3 The specified options for equipping and converting the printing towers are summarized in the table below. active not available or deactivated printing form conv. offset upper inking unit 7 lower inking unit 6 dampening unit 15 - conv. Offset printing form 3 conv. Dry offset printing upper inking unit 7 lower inking unit 6 Dampening unit 15 Dry offset printing form 23 Offset printing, dry offset printing, flexo printing with anilox coloring Dampening unit 15 upper inking unit 7; lower inking unit 6 Dry offset printing form 23 Cliché printing form 24 Offset printing form 3 Offset printing, dry offset printing, flexo printing with anilox coloring and equalization Dampening unit 15 lower inking unit 6 upper inking unit 7 Dry offset printing form 23 Cliché printing form 24 Offest printing form 3

BezugszeichenaufstellungREFERENCE NUMBERS

11
Druckturmprinting tower
22
DruckformzylinderPlate cylinder
33
OffsetdruckformOffset printing form
44
Offsetzylinderoffset cylinder
55
Druckzylinderpressure cylinder
6;76; 7
Farbwerkinking
66
unteres Farbwerklower inking unit
77
oberes Farbwerkupper inking unit
88th
FarbzuführstrangFarbzuführstrang
99
Teilerwalzedivider roller
1010
AuftragwalzengruppeApplicator roll group
1111
Auftragwalzeapplicator roll
1212
Reibzylinderdistribution cylinder
1313
Verbindungswalzeconnecting roller
1414
Brückengruppebridge group
1515
Feuchtwerkdampening
1616
FeuchtauftragwalzeDampener roller
1717
Übertragungswalzetransfer roller
1818
Duktorwalzeduct roller
1919
Trogtrough
2020
Brückenwalzebridge roller
2121
Rasterwalzeanilox roller
2222
Kammerrakelchambered doctor blade
2323
TrockenoffsetdruckformDry offset printing plate
2424
KlischeedruckformGravure form
2525
Reiterwalzeriding roller

Claims (13)

  1. Printing tower of a printing machine with an offset cylinder (4) co-operating with a printing cylinder (5) and a printing forme cylinder (2) co-operating with a moistening mechanism (15), wherein the moistening mechanism (15) consists of a moisture application roller (16) co-operating with the printing forme cylinder (2), an upstream transfer roller (17) and a ductor roller (18) upstream of the transfer roller, characterised in that, for inking, a grid roller (21) with a chamber doctor blade (22) is arranged upstream of the moisture application roller (16) and the connection of the moisture application roller (16) to the transfer roller (17) is interrupted.
  2. Printing tower of a printing machine with an offset cylinder (4) co-operating with a printing cylinder (5) and a printing forme cylinder (2) co-operating with a moisture application roller (16), characterised in that, for inking, a grid roller (21) with a chamber doctor blade (22) is arranged upstream of the moisture application roller (16).
  3. Printing tower of a printing machine with an offset cylinder (4) co-operating with a printing cylinder (5) and a printing forme cylinder (2) co-operating with a moistening mechanism (15), characterised in that the moistening mechanism comprises, for inking, a grid roller (21), which is arranged upstream of the printing forme cylinder (2), with a chamber doctor blade (22).
  4. Printing tower according to claim 1, 2 or 3, characterised in that the printing forme cylinder (2) is constructed as an application cylinder with a rubber blanket covering and the offset cylinder (4) is constructed as a forme cylinder covered with a forme.
  5. Printing tower according to claim 1 to 2, characterised in that the moisture application roller (16) is associated with a rider roller (25).
  6. Printing tower according to claim 1, 2 or 3, characterised in that a lower inking mechanism (6) for inking uniformity is associated with the printing forme cylinder (2).
  7. Printing tower according to claim 6, characterised in that the lower inking mechanism (6) consists of at least one application roller group (10) with two application rollers (11) and a distributing cylinder (12) connecting the application rollers.
  8. Printing tower according to claim 6, characterised in that the lower inking mechanism (16) consists of two application roller groups (10) each with two application rollers (11), a distributing cylinder (12) connecting the application rollers and a connecting roller (13) connecting two application rollers (11) of different application roller groups (10).
  9. Printing tower according to claim 6, characterised in that the lower inking mechanism (16) consists of two application roller groups (10) each with two application rollers (11), a distributing cylinder (12) connecting the application rollers (11) and a bridge group (14) connecting the two distributing cylinders.
  10. Printing tower according to claim 9, characterised in that a connecting roller (13) is associated with two application rollers (11) of different application roller groups (10).
  11. Printing tower according to claim 1, 2 or 3 in conjunction with claim 6, characterised in that the moistening mechanism (15) and the lower inking mechanism (6) are connected by a bridge roller (20).
  12. Printing tower according to claim 3, characterised in that a spreading rider roller (25) is associated with the grid roller (21).
  13. Printing tower according to claim 11, characterised in that the bridge roller (20) is equipped as a spreading bridge roller.
EP98113925A 1997-08-07 1998-07-24 Printing tower of a printing machine Revoked EP0895858B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19734100 1997-08-07
DE19734100A DE19734100C5 (en) 1997-08-07 1997-08-07 Printing tower of a printing press

Publications (2)

Publication Number Publication Date
EP0895858A1 EP0895858A1 (en) 1999-02-10
EP0895858B1 true EP0895858B1 (en) 2002-03-13

Family

ID=7838191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98113925A Revoked EP0895858B1 (en) 1997-08-07 1998-07-24 Printing tower of a printing machine

Country Status (2)

Country Link
EP (1) EP0895858B1 (en)
DE (2) DE19734100C5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2604430A2 (en) 2011-12-16 2013-06-19 Heidelberger Druckmaschinen AG Flexographic printing process

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DE19840601C2 (en) * 1998-09-05 2001-10-11 Koenig & Bauer Ag Application unit for damp liquid
DE10020512A1 (en) * 2000-04-26 2001-11-15 Roland Man Druckmasch Dosing system for a coating unit in a printing machine
DE10352616A1 (en) * 2003-07-11 2005-02-10 Koenig & Bauer Ag Printing unit of a printing press
DE102004063190A1 (en) * 2004-12-29 2006-07-13 Man Roland Druckmaschinen Ag Device for adhesive application for cold foil stamping

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DE3046257C2 (en) * 1980-12-08 1984-02-16 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Painting equipment on printing machines
DD207358B1 (en) * 1982-05-05 1991-02-14 Hans Johne WETTING WORK WHICH CAN BE USED AS A PAINTING WORK
DE8716847U1 (en) * 1987-12-22 1988-02-18 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Wet inking unit for offset printing machines
JPH0720741B2 (en) * 1988-11-28 1995-03-08 株式会社東京機械製作所 Damping roller, dampening roller manufacturing method and dampening water supply device for printing machine
DE4404989C2 (en) * 1994-02-17 1995-11-30 Roland Man Druckmasch Offset printing device
JPH09136398A (en) * 1995-10-02 1997-05-27 Howard W Demoore Simultaneously operatable lead-in type printing/coating uniton plate cylinder and blanket cylinder from wetting device side of first printing unit or either one of printing units following first printing unit of all kinds of rotary offset presses
DK80097A (en) * 1997-07-03 1999-01-04 Tresu As Offset printing press

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H. Teschner, Offsetdrucktechnik, Fachschriften-Verlag Fellbach 1989, Abschnitt 10.3.3 Farbwerke *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2604430A2 (en) 2011-12-16 2013-06-19 Heidelberger Druckmaschinen AG Flexographic printing process
DE102011121320A1 (en) 2011-12-16 2013-06-20 Heidelberger Druckmaschinen Ag flexographic

Also Published As

Publication number Publication date
DE19734100C5 (en) 2007-08-09
EP0895858A1 (en) 1999-02-10
DE19734100C2 (en) 2003-07-24
DE19734100A1 (en) 1999-02-11
DE59803316D1 (en) 2002-04-18

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