EP0401655A2 - Eight cylinder printing unit - Google Patents

Eight cylinder printing unit Download PDF

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Publication number
EP0401655A2
EP0401655A2 EP90110232A EP90110232A EP0401655A2 EP 0401655 A2 EP0401655 A2 EP 0401655A2 EP 90110232 A EP90110232 A EP 90110232A EP 90110232 A EP90110232 A EP 90110232A EP 0401655 A2 EP0401655 A2 EP 0401655A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
blanket cylinder
printing unit
blanket
printing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90110232A
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German (de)
French (fr)
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EP0401655B1 (en
EP0401655A3 (en
Inventor
Rainer Burger
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0401655A2 publication Critical patent/EP0401655A2/en
Publication of EP0401655A3 publication Critical patent/EP0401655A3/en
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Publication of EP0401655B1 publication Critical patent/EP0401655B1/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
    • B41F7/025—Multicolour printing or perfecting on sheets or on one or more webs, in one printing unit

Definitions

  • the invention relates to an eight-cylinder printing unit with a first, a second, a third and a fourth blanket cylinder, to each of which a plate cylinder is assigned and of which the first blanket cylinder is used to produce a double face print and a double reprint (2/2) on a printing material web is adjustable to the second and the third blanket cylinder to the fourth blanket cylinder.
  • the object of the present invention is to develop the generic eight-cylinder printing unit in such a way that 2/1 or 1/2 printing is possible without the blanket cylinder which is superfluous in terms of printing technology being required as an impression cylinder.
  • the third blanket cylinder together with the first blanket cylinder to produce a 2/1 print or 1/2 print on the print carrier web second blanket cylinder is adjustable, the fourth blanket cylinder being separated from the third blanket cylinder.
  • a major advantage of the invention is that in the 2/1 printing according to the invention, the separation of the fourth blanket cylinder from the third blanket cylinder means that the ink applied by the second blanket cylinder cannot be smeared.
  • Fig. 1 shows in the lower part of the illustration in the positioning according to the invention blanket cylinders 1, 2, 3 and 4, each of which a plate cylinder 10, 20, 30 and 40 is assigned in the manner shown.
  • the third blanket cylinder 3 also separating the fourth blanket cylinder 4, from the second blanket cylinder 2 so that the between Blanket cylinders in the manner shown printing substrate 5 is provided with a double face print, namely via the blanket cylinders 1 and 3 and with a single reprint, namely via the blanket cylinder 2.
  • the cylinder arrangement according to the invention in the printing unit 6 shown in FIG. 1 below can thus provide the printing medium web 5 with a 2/1 print.
  • a further printing unit 7 preferably above the printing unit 6, so that optionally at the 1 a 4/2 pressure is possible.
  • the printing unit 7 is constructed identically to the printing unit 6, which is why the same reference numerals have been used for the individual parts, but these are each provided with an apostrophe for the purpose of differentiation.
  • FIG. 2 shows the printing unit according to the invention in cylinder positions in which a 2/2 printing is possible with the printing unit unit 6 and a 2/2 printing is also possible with the printing unit unit 7, so that after the printing medium web 5 has passed through the printing unit, the printing unit web 4 / 4 printing is provided.
  • the third blanket cylinder is positioned against the fourth blanket cylinder and the blanket cylinder 1 is separated from the two against the blanket cylinder 2.
  • the cylinders can be adjusted or pivoted in a conventional manner, for example with the aid of generally known eccentric bearings.
  • the cylinder arrangement can also be a mirror image or "reversed".

Abstract

In an eight cylinder printing unit, the third blanket cylinder (3) for generating a 2/1 pressure can be separated from the fourth blanket cylinder and, together with the first blanket cylinder (1), can be brought into contact with the second blanket cylinder (2). By this means, the fourth blanket cylinder (4) is not required and this printing unit, i.e. this one together with the assigned plate cylinder (40) and its inking unit, can be shut down without additional expenditure since, in contrast to the prior art, the fourth blanket cylinder is not required as a back-pressure cylinder for this type of printing. …<IMAGE>…

Description

Die Erfindung betrifft ein Achtzylinder-Druckwerk mit einem ersten, einem zweiten, einem dritten und einem vierten Gummituchzylinder, denen jeweils ein Plattenzylinder zugeordnet ist und von denen zur Erzeugung eines zweifachen Schöndruckes und eines zweifachen Wiederdruckes (2/2) auf einer Bedruckstoffbahn der erste Gummizylinder an den zweiten und der dritte Gummituchzylinder an den vierten Gummituchzylinder anstellbar ist.The invention relates to an eight-cylinder printing unit with a first, a second, a third and a fourth blanket cylinder, to each of which a plate cylinder is assigned and of which the first blanket cylinder is used to produce a double face print and a double reprint (2/2) on a printing material web is adjustable to the second and the third blanket cylinder to the fourth blanket cylinder.

Aus dem Fachbuch "Techniken, Systeme, Maschinen" von Oscar Frei, Polygraphverlag, ist u.a. auf Seite 11, Abbildung 21, Darstellung 4 ein Druckwerk der obenbezeichneten Gattung bekannt. Der Nachteil dieses bekannten gattungsgemäßen Achtzylinder-Druckwerkes liegt darin, daß bei der Erzeugung eines 2/1 Druckes bzw. 1/2 Druckes, d.h. zweifachen Schön- und eines einfachen Wiederdruckes oder umgekehrt, eine aus einem Platten- und einem Gummituchzylinder bestehende Druckeinheit drucktechnisch unwirksam gemacht werden muß, wobei jedoch der Gummituchzylinder als Gegendruckzylinder benötigt wird. Dies ist nachteilig, da die Abstellung, insbesondere die antriebsmäßige Trennung des nicht benötigten Plattenzylinders von dem als Gegendruckzylinder benötigten Gummituchzylinder aufwendig ist bzw. es sind zusätzliche Maßnahmen erforderlich. Das gleiche gilt für das in diesem Fall nicht benötigte dem Plattenzylinder zugeordnete Farbwerk.From the specialist book "Techniques, Systems, Machines" by Oscar Frei, Polygraphverlag, i.a. on page 11, Figure 21, illustration 4, a printing unit of the type described above is known. The disadvantage of this known generic eight-cylinder printing unit is that when generating a 2/1 print or 1/2 print, i.e. double fine and a simple reprint or vice versa, a printing unit consisting of a plate and a blanket cylinder must be rendered ineffective in terms of printing technology, but the blanket cylinder is required as an impression cylinder. This is disadvantageous because the shutdown, in particular the drive-related separation of the plate cylinder that is not required from the blanket cylinder required as an impression cylinder is complex, or additional measures are required. The same applies to the inking unit assigned to the plate cylinder which is not required in this case.

Die Aufgabe der vorliegenden Erfindung ist es, das gattungsgemäße Achtzylinder-Druckwerk so weiterzubilden, daß ein 2/1 bzw. 1/2 Druck möglich ist, ohne daß der drucktechnisch hierfür überflüssige Gummituchzylinder als Gegendruckzylinder benötigt wird.The object of the present invention is to develop the generic eight-cylinder printing unit in such a way that 2/1 or 1/2 printing is possible without the blanket cylinder which is superfluous in terms of printing technology being required as an impression cylinder.

Diese Aufgabe wird dadurch gelöst, daß zur Erzeugung eines 2/1 Druckes oder 1/2 Druckes auf der Druckträgerbahn der dritte Gummituchzylinder zusammen mit dem ersten Gummituchzylinder an den zweiten Gummituchzylinder anstellbar ist, wobei der vierte Gummituchzylinder vom dritten Gummituchzylinder getrennt wird. Ein wesentlicher Vorteil der Erfindung besteht darin, daß bei dem erfindungsgemäßen 2/1 Druck durch die Trennung des vierten Gummizylinders vom dritten Gummizylinder eine Abschmierung der von dem zweiten Gummituchzylinder aufgebrachten Farbe nicht auftreten kann.This object is achieved in that the third blanket cylinder together with the first blanket cylinder to produce a 2/1 print or 1/2 print on the print carrier web second blanket cylinder is adjustable, the fourth blanket cylinder being separated from the third blanket cylinder. A major advantage of the invention is that in the 2/1 printing according to the invention, the separation of the fourth blanket cylinder from the third blanket cylinder means that the ink applied by the second blanket cylinder cannot be smeared.

Im folgenden wird die Erfindung anhand eines Ausführungsbeispiels beschrieben, wobei Bezug auf die beiliegenden Zeichnungen genommen wird. In diesen zeigen

  • Fig. 1 in doppelter Anordnung ein Achtzylinder-Druckwerk in der erfindungsgemäßen 2/1 bzw. 4/2 Betriebsweise und
  • Fig. 2 das Druckwerk gemäß Fig. 1 in der 2/2 bzw. 4/4 Betriebsweise.
The invention is described below using an exemplary embodiment, reference being made to the accompanying drawings. Show in these
  • Fig. 1 in a double arrangement an eight-cylinder printing unit in the 2/1 or 4/2 mode of operation according to the invention and
  • Fig. 2 shows the printing unit according to FIG. 1 in the 2/2 or 4/4 mode of operation.

Fig. 1 zeigt im unteren Teil der Darstellung in der erfindungsgemäßen Positionierung Gummituchzylinder 1, 2, 3 und 4, denen jeweils ein Plattenzylinder 10, 20, 30 und 40 in der dargestellten Weise zugeordnet ist. Durch die erfindungsgemäße Anordnung der Zylinder 1 bis 4 und 10 bis 40 gemäß Fig. 1 ist es im Gegensatz zum Stand der Technik möglich, den dritten Gummituchzylinder 3 unter Trennung vom vierten Gummizylinder 4 ebenfalls an den zweiten Gummituchzylinder 2 anzustellen, so daß die zwischen den Gummituchzylindern in der dargestellten Weise durchgeführte Druckträgerbahn 5 mit einem zweifachen Schöndruck, nämlich über den Gummituchzylinder 1 und 3 und mit einem einfachen Wiederdruck, nämlich über den Gummizylinder 2 versehen wird. Wie durch die Dreiecksymbole angedeutet ist, kann somit durch die erfindungsgemäße Zylinderanordnung im in Fig. 1 unten dargestellten Druckwerk 6 die Druckträgerbahn 5 mit einem 2/1 Druck versehen werden.Fig. 1 shows in the lower part of the illustration in the positioning according to the invention blanket cylinders 1, 2, 3 and 4, each of which a plate cylinder 10, 20, 30 and 40 is assigned in the manner shown. By the arrangement of the cylinders 1 to 4 and 10 to 40 according to FIG. 1 according to the invention, it is possible, in contrast to the prior art, to employ the third blanket cylinder 3, also separating the fourth blanket cylinder 4, from the second blanket cylinder 2 so that the between Blanket cylinders in the manner shown printing substrate 5 is provided with a double face print, namely via the blanket cylinders 1 and 3 and with a single reprint, namely via the blanket cylinder 2. As indicated by the triangle symbols, the cylinder arrangement according to the invention in the printing unit 6 shown in FIG. 1 below can thus provide the printing medium web 5 with a 2/1 print.

Es ist vorteilhaft, ein weiteres Druckwerk 7 vorzugsweise oberhalb des Druckwerkes 6 anzuordnen, so daß wahlweise bei der erfindungsgemäßen Zylinderposition gemäß Fig. 1 ein 4/2 Druck möglich ist. Das Druckwerk 7 ist identisch aufgebaut wie das Druckwerk 6, weshalb die gleichen Bezugszeichen für die einzelnen Teile verwendet wurden, jedoch sind diese zwecks Unterscheidung jeweils mit einem Apostroph versehen.It is advantageous to arrange a further printing unit 7 preferably above the printing unit 6, so that optionally at the 1 a 4/2 pressure is possible. The printing unit 7 is constructed identically to the printing unit 6, which is why the same reference numerals have been used for the individual parts, but these are each provided with an apostrophe for the purpose of differentiation.

Fig. 2 zeigt das erfindungsgemäße Druckwerk in Zylinderpositionen, bei denen mit der Druckwerkeinheit 6 ein 2/2 und mit der Druckwerkeinheit 7 ebenfalls ein 2/2 Druck möglich ist, so daß nach dem Durchlauf der Druckträgerbahn 5 durch das Druckwerk diese mit einem 4/4 Druck versehen ist. Wie in Fig. 2 gezeigt, ist hierbei der dritte Gummituchzylinder an den vierten Gummituchzylinder angestellt und getrennt von diesen beiden der Gummituchzylinder 1 an den Gummituchzylinder 2.2 shows the printing unit according to the invention in cylinder positions in which a 2/2 printing is possible with the printing unit unit 6 and a 2/2 printing is also possible with the printing unit unit 7, so that after the printing medium web 5 has passed through the printing unit, the printing unit web 4 / 4 printing is provided. As shown in FIG. 2, the third blanket cylinder is positioned against the fourth blanket cylinder and the blanket cylinder 1 is separated from the two against the blanket cylinder 2.

Die Verstellung bzw. Verschwenkung der Zylinder kann in herkömmlicher Weise, beispielsweise mit Hilfe allgemein bekannter exzentrischer Lagerungen erfolgen.The cylinders can be adjusted or pivoted in a conventional manner, for example with the aid of generally known eccentric bearings.

Es versteht sich, daß im Rahmen der Erfindung die Zylinderanordnung auch spiegelbildlich bzw. "seitenverkehrt" sein kann.It goes without saying that, within the scope of the invention, the cylinder arrangement can also be a mirror image or "reversed".

Des weiteren ist es alternativ im Rahmen der Erfindung möglich, bei der Zylinderstellung gemäß Fig. 1, bei der ein 2/1 bzw. 4/2 Druck erfolgen kann, bei feststehendem Zylinder 3 bzw. 3′ den Zylinder 4 bzw. 4′ an den Zylinder 2 bzw. 2′ zur Erzeugung eines 2/2 bzw. 4/4 Druckes anzustellen.Furthermore, it is alternatively possible within the scope of the invention, in the cylinder position according to FIG. 1, in which a 2/1 or 4/2 pressure can take place, with a fixed cylinder 3 or 3 ', the cylinder 4 or 4' the cylinder 2 or 2 'to generate a 2/2 or 4/4 pressure.

Claims (4)

1. Achtzylinder-Druckwerk mit einem ersten, einem zweiten, einem dritten und einem vierten Gummituchzylinder, denen jeweils ein Plattenzylinder zugeordnet ist und von denen zur Erzeugung eines zweifachen Schöndruckes und eines zweifachen Wiederdruckes (2/2) auf einer Bedruckstoffbahn der erste Gummituchzylinder an den zweiten Gummituchzylinder und der dritte Gummituchzylinder an den vierten Gummituchzylinder anstellbar ist, dadurch gekennzeichnet, daß zur Erzeugung eines 2/1 oder 1/2 Druckes auf der Druckträgerbahn der dritte Gummituchzylinder zusammen mit dem ersten Gummituchzylinder an den zweiten Gummituchzylinder anstellbar ist, wobei der vierte Gummituchzylinder vom dritten Gummituchzylinder getrennt wird.1. eight-cylinder printing unit with a first, a second, a third and a fourth blanket cylinder, each of which is assigned a plate cylinder and of which the first blanket cylinder on to produce a double face print and a double reprint (2/2) on a printing material web second blanket cylinder and the third blanket cylinder can be adjusted to the fourth blanket cylinder, characterized in that the third blanket cylinder can be adjusted together with the first blanket cylinder on the second blanket cylinder to produce a 2/1 or 1/2 print on the printing carrier web, the fourth blanket cylinder is separated from the third blanket cylinder. 2. Achtzylinder-Druckwerk nach Anspruch 1, gekennzeichnet durch die zweifache Anordnung zweier Achtzylinder-Druckwerke übereinander und die Führung der Druckträgerbahn zwischen den aneinander anstellbaren Gummituchzylinderpaaren des ersten und des zweiten Achtzylinder-Druckwerkes.2. Eight-cylinder printing unit according to claim 1, characterized by the double arrangement of two eight-cylinder printing units one above the other and the guidance of the print carrier web between the mutually adjustable blanket cylinder pairs of the first and second eight-cylinder printing units. 3. Achtzylinder-Druckwerk nach Anspruch 1, gekennzeichnet durch die spiegelbildliche Anordnung der Zylinder.3. Eight-cylinder printing unit according to claim 1, characterized by the mirror-image arrangement of the cylinders. 4. Achtzylinder-Druckwerk insbesondere nach Anspruch 1, dadurch gekennzeichnet, daß bei an den zweiten Gummituchzylinder angestellten dritten Gummituchzylinder der vierte Gummituchzylinder an den dritten Gummituchzylinder anstellbar ist.4. Eight-cylinder printing unit in particular according to claim 1, characterized in that when employed on the second blanket cylinder third blanket cylinder, the fourth blanket cylinder can be adjusted to the third blanket cylinder.
EP90110232A 1989-06-03 1990-05-30 Eight cylinder printing unit Expired - Lifetime EP0401655B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3918127 1989-06-03
DE3918127A DE3918127C1 (en) 1989-06-03 1989-06-03

Publications (3)

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EP0401655A2 true EP0401655A2 (en) 1990-12-12
EP0401655A3 EP0401655A3 (en) 1991-06-05
EP0401655B1 EP0401655B1 (en) 1993-11-24

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ID=6381992

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EP90110232A Expired - Lifetime EP0401655B1 (en) 1989-06-03 1990-05-30 Eight cylinder printing unit

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US (1) US5031530A (en)
EP (1) EP0401655B1 (en)
JP (1) JP2837238B2 (en)
CA (1) CA2017374C (en)
DE (2) DE3918127C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676389A1 (en) * 1991-05-18 1992-11-20 Roland Man Druckmasch PRINTER GROUP FOR POLYCHROME PRINTING.
EP0710558A1 (en) * 1994-10-04 1996-05-08 Maschinenfabrik Wifag Rotary web printing press

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4303904C2 (en) * 1993-02-10 1997-09-11 Roland Man Druckmasch Tower-style printing unit
US5461470A (en) * 1993-06-18 1995-10-24 Xeikon Nv Electrostatographic single-pass multiple station printer for forming images on a web
US5704282A (en) * 1996-09-17 1998-01-06 Escher-Grad Technologies Inc. Method of generating proofs of print signatures
US5868069A (en) * 1996-09-17 1999-02-09 Escher-Grad Technologies Inc. Method of generating proofs of print signatures
US5778781A (en) * 1997-04-04 1998-07-14 F. L. Smithe Machine Company, Inc. Method and apparatus for printing on opposite sides of a web
US6474231B1 (en) * 2000-07-26 2002-11-05 Heidelberger Druckmaschinen Ag Multi-color printing press with common blanket cylinder
KR100501959B1 (en) * 2003-02-06 2005-07-20 조충 Rotary press
US7967407B2 (en) * 2006-02-03 2011-06-28 R.R. Donnelley Use of a sense mark to control a printing system
US8753026B2 (en) 2007-06-29 2014-06-17 R.R. Donnelley & Sons Company Use of a sense mark to control a printing system
US9098903B2 (en) * 2009-07-21 2015-08-04 R.R. Donnelley & Sons Company Systems and methods for detecting alignment errors
US20120247354A1 (en) * 2011-03-29 2012-10-04 Surbrook Louis M Perfecting printing unit and tower
US10370214B2 (en) 2017-05-31 2019-08-06 Cryovac, Llc Position control system and method

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GB2025326A (en) * 1978-07-17 1980-01-23 Polygraph Leipzig Convertible Offset Printing Press

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US4286519A (en) * 1978-08-23 1981-09-01 Smith R.P.M. Corporation Offset litho conversion from letterpress equipment
US4250809A (en) * 1979-08-21 1981-02-17 Publishers Equipment Corporation Perfecting or multicolor offset printing press
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DE3614030A1 (en) * 1986-04-25 1987-10-29 Roland Man Druckmasch PRINTER FOR A ROLL ROTATION PRINTING MACHINE
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DE3702071C1 (en) * 1987-01-24 1988-07-14 Roland Man Druckmasch Suitable printing unit for changing plate
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GB2025326A (en) * 1978-07-17 1980-01-23 Polygraph Leipzig Convertible Offset Printing Press

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676389A1 (en) * 1991-05-18 1992-11-20 Roland Man Druckmasch PRINTER GROUP FOR POLYCHROME PRINTING.
EP0710558A1 (en) * 1994-10-04 1996-05-08 Maschinenfabrik Wifag Rotary web printing press
US5699735A (en) * 1994-10-04 1997-12-23 Maschinenfabrik Wifag Web-fed rotary press

Also Published As

Publication number Publication date
EP0401655B1 (en) 1993-11-24
CA2017374C (en) 1993-04-13
EP0401655A3 (en) 1991-06-05
JPH0323943A (en) 1991-01-31
DE3918127C1 (en) 1990-12-13
DE59003582D1 (en) 1994-01-05
CA2017374A1 (en) 1990-12-03
JP2837238B2 (en) 1998-12-14
US5031530A (en) 1991-07-16

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