EP1712355B1 - Unité d'impression d'une machine rotative d'impression - Google Patents

Unité d'impression d'une machine rotative d'impression Download PDF

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Publication number
EP1712355B1
EP1712355B1 EP06007161A EP06007161A EP1712355B1 EP 1712355 B1 EP1712355 B1 EP 1712355B1 EP 06007161 A EP06007161 A EP 06007161A EP 06007161 A EP06007161 A EP 06007161A EP 1712355 B1 EP1712355 B1 EP 1712355B1
Authority
EP
European Patent Office
Prior art keywords
printing
cylinder
forme
images
cylinders
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
EP06007161A
Other languages
German (de)
English (en)
Other versions
EP1712355A1 (fr
EP1712355B2 (fr
Inventor
Norbert Dr. Dylla
Rainer Burger
Stefan Albrecht
Helmut Stuhlmiller
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 Web Systems GmbH
Original Assignee
Manroland AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Manroland AG filed Critical Manroland AG
Publication of EP1712355A1 publication Critical patent/EP1712355A1/fr
Publication of EP1712355B1 publication Critical patent/EP1712355B1/fr
Application granted granted Critical
Publication of EP1712355B2 publication Critical patent/EP1712355B2/fr
Not-in-force legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • B41F13/16—Registering devices with means for displacing the printing formes on the cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/10—Attaching several printing plates on one cylinder
    • B41P2227/11—Attaching several printing plates on one cylinder in axial direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/10—Attaching several printing plates on one cylinder
    • B41P2227/12—Attaching several printing plates on one cylinder in circumferential direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/70—Forming the printing surface directly on the form cylinder

Definitions

  • the invention relates to a printing unit of a web-fed rotary printing press according to the preamble of claim 1.
  • Printing units of web-fed rotary printing presses have a plurality of printing units, each printing unit consisting of a transfer cylinder, a forme cylinder and an inking unit and optionally a dampening unit.
  • the form cylinder are also referred to as a plate cylinder and the transfer cylinder as a rubber cylinder.
  • printing units can have impression cylinders, wherein an impression cylinder can interact with one or more transfer cylinders of different printing units.
  • the transfer cylinders are also referred to as satellite cylinders.
  • printing units are also known which do not have counter-pressure cylinders, with such printing units without counterpressure cylinders unrolling the transfer cylinders of two printing couples.
  • a web-fed rotary printing unit having a plurality of printing units accordingly comprises a plurality of forme cylinders and a plurality of transfer cylinders and optionally one or more impression cylinders.
  • the present invention relates to printing units having a plurality of forme cylinder, a plurality of transfer cylinders and at least one impression cylinder.
  • Such printing units are also referred to as satellite printing units.
  • Satellite printing units of web-fed rotary printing presses usually have four printing units and therefore four forme cylinders and four transfer cylinders and one or two impression cylinders.
  • Such satellite printing units with four printing units and a counter-pressure cylinder are referred to as 9-cylinder printing units;
  • Printing units with four printing units and two counter-pressure cylinders, however, are referred to as 10-cylinder printing units.
  • partial printing images are preferably applied in the region of each printing unit for preferably a plurality of printed pages in one printing ink to a printing material moved between the transfer cylinders and the or each impression cylinder.
  • a pressure must be applied in a so-called pressure-on position of the printing unit on the one hand between the cylinders and the transfer cylinders of the printing units and on the other hand between the transfer cylinders and the respective impression cylinder, said pressing by pivoting or hiring the transfer cylinder to the respective form cylinder and provided to the respective impression cylinder.
  • the transfer cylinders are usually mounted eccentrically and positioned relative to the respective forme cylinder and impression cylinder such that a center of the transfer cylinder is not located on a connecting line between centers of the corresponding forme cylinder and impression cylinder. Rather, a connecting line of a center of a transfer cylinder with the center of the corresponding counter-pressure cylinder with the line connecting the centers of the corresponding forme cylinder and counter-pressure cylinder forms an angle between 5 ° and 40 °.
  • the transfer cylinder, the form cylinder and the or each impression cylinder such pressure units are subject to a deflection due to their own weight and due to the pressure or contact forces. This deflection depends in particular on the shape of the cylinder, with relatively slender cylinder undergo a greater deflection.
  • a clear circumferential register deviation can occur between the partial printing images to be printed in the different printing units of the printing unit, which adversely affects the print quality.
  • these circumferential register deviations are particularly pronounced when relatively slender cylinders are present.
  • the ratio of printed pages or printed images positioned axially one behind the other in the circumferential direction is large, for example in the case of 6/2 cylinders, in which six printed pages or printed images are arranged next to each other and in the circumferential direction in the axial direction two printed pages or printed images is positioned one behind the other.
  • 6/2 cylinders in which six printed pages or printed images are arranged next to each other and in the circumferential direction in the axial direction two printed pages or printed images is positioned one behind the other.
  • 3/1 cylinder, 4/1 cylinder or 6/1 cylinder A conventional printing unit is in EP-A-1314559 disclosed.
  • the present invention is based on the problem to provide a novel printing unit of a web-fed rotary printing press with minimized circumferential register deviations.
  • each form cylinder of each printing unit carries at least one printing form, such that each form cylinder in the axial direction next to each other several print images are applied over the corresponding partial printing images on the substrate, the number of axially juxtaposed images of the number of axially next to each other to be printed on the substrate Corresponds to printed pages, and wherein in the region of at least one forme cylinder in the axial direction of the respective form cylinder juxtaposed printed images are offset in the circumferential direction to each other such that circumferential register deviations between the to be printed in different printing units partial printing images are compensated.
  • Fig. 1 shows a printing unit 10 of a web-fed rotary printing press, wherein the printing unit 10 four printing units 11, 12, 13 and 14 and therefore four forme cylinders 15, 16, 17 and 18 and four transfer cylinders 19, 20, 21 and 22 includes.
  • the printing units 11 to 14 have not shown inking units and optionally dampening units.
  • the printing unit of Fig. 1 is therefore designed as a so-called 9-cylinder printing unit.
  • At least one printing plate is positioned on each of the forme cylinders 15 to 18, such that each forme cylinder 15 to 18 carries several print images next to one another in the axial direction and optionally in circumferential direction to apply corresponding partial print images to a printing substrate 24, the number of axially juxtaposed print images the number of axially juxtaposed on the substrate 24 to be printed pages corresponds.
  • the web-shaped printing substrate 24 is therefore printed in the region of each printing unit 11 to 14 with partial printing images in a printing ink for a plurality of axially juxtaposed and possibly circumferentially successively arranged print pages, according to Fig. 1 the printing material 24 for this purpose is moved between the transfer cylinders 19 to 22 and the impression cylinder 23.
  • First partial printed images are applied to the printing substrate 24 in the area of the printing unit 11, and further partial printed images are successively printed on the printing substrate 24 in the printing units 12, 13 and 14.
  • circumferential register displacements between the partial print images to be printed in the different printing units must be minimized so that the partial print images are printed on the printing substrate 24 in exact coverage.
  • the curve 25 corresponds to the curvature of a printed in the printing unit 11 of the forme cylinder 15 and the transfer cylinder 19 on the substrate 24 line.
  • the curve 26 corresponds to the curvature of a printed in the printing unit 12 of the forme cylinder 16 and the transfer cylinder 20 line.
  • the vertical distance between the curves 25 to 28 corresponds to the circumferential register deviation at the respective axial position of the printing material between the in the printing units 11 to 14 partial prints to be printed.
  • Fig. 3 shows a forme cylinder 15 or 16 or 17 or 18 of the invention- ⁇ en printing unit 10, which carries in the axial direction next to each other six formed as printing plates 29 printing forms, each of the printing plates 29 carries a printed image 30.
  • the position of the print images 30 on the printing plates 29 is identical throughout, but the printing plates 29 arranged side by side in the axial direction on a plate cylinder are offset relative to each other in their position on the respective forme cylinder in the circumferential direction.
  • the offset is determined according to the in Fig. 2 expected circumferential register deviation between the partial printing images to be printed in the individual printing units 11 to 14.
  • Fig. 4 shows an embodiment of the invention in which on a plate cylinder 15 or 16 or 17 or 18 in turn in the axial direction of the same six printing plates 31 are positioned side by side, each of the printing plates 31 in turn carries a printed image 32.
  • the pressure plates 32 on the printing plates 31 are circumferentially offset from one another in order to compensate the circumferential register deviations between the partial printing images to be printed in different printing units.
  • the printing plates 31 are exposed with printing images 32 staggered in the circumferential direction. This has the advantage that no constructive changes must be made to the plate clamping systems of the forme cylinder, so that the invention can also be used in existing printing units.
  • each printing plate can comprise more than one printed image, namely, when a plurality of printed pages are printed with a printing plate.
  • the invention can also be used in printing units are used, are arranged on the form of cylinders designed as Drucksleeves printing plates. Several print images for a plurality of print pages are then arranged on such print sleeves in the axial direction next to one another, wherein the print images are circumferentially offset from one another in order to compensate for the circumferential register deviations between the partial print images to be printed in the different print units.
  • the invention is therefore not limited to the use of printing plates designed as printing plates.

Landscapes

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

Claims (7)

  1. Unité d'impression d'une machine rotative d'impression à bobines comportant plusieurs groupes d'impression (12, 13, 14),
    chaque groupe d'impression ayant un cylindre porte-plaques (15, 16, 17, 18), un cylindre de transfert (19, 20, 21), un dispositif d'encrage ainsi que le cas échéant un dispositif de mouillage et au moins un cylindre de contre-pression (23),
    et dans la position de mise en pression de l'unité d'impression, chaque cylindre porte-plaques (15, 16, 17, 18) d'un groupe d'impression roule sur le cylindre de transfert (19, 20, 21, 22) du groupe d'impression respectif et chaque cylindre de transfert (19, 20, 21, 22) roule sur un cylindre de contre-pression (23), pour transférer des images partielles d'impression sur un support d'impression (24) passant entre le cylindre de transfert (19, 20, 21, 22) et le ou chaque cylindre de contre-pression (23),
    caractérisée en ce que
    chaque cylindre porte-plaques (15, 16, 17, 18) de chaque groupe d'impression porte au moins une forme d'impression (29, 31) de façon que chaque cylindre porte-plaques (15, 16, 17, 18) porte plusieurs images d'impression (30, 32) juxtaposées dans la direction axiale, pour transférer les images d'impression partielles, correspondantes, sur le support d'impression (24),
    et dans la zone d'au moins un cylindre porte-plaques (15, 16, 17, 18) les images d'impression (30, 32) juxtaposées dans la direction axiale du cylindre porte-plaques (15, 16, 17, 18) respectif sont décalées dans la direction périphérique, le décalage étant défini en fonction de la déviation de registre périphérique entre les différentes images partielles à imprimer dans les différents groupes d'impression.
  2. Unité d'impression selon la revendication 1,
    caractérisée par
    plusieurs formes d'impressions constituées par des plaques d'impression (29, 31) installées sur chaque cylindre porte-plaques (15, 16, 17, 18) et chaque plaque d'impression (29, 31) a au moins une image d'impression (30, 32).
  3. Unité d'impression selon la revendication 2,
    caractérisée en ce que
    les positions des plaques d'impression (29) juxtaposées dans la direction axiale de chaque cylindre porte-plaques (15, 16, 17, 18) sont au moins partiellement décalées les unes des autres dans la direction périphérique.
  4. Unité d'impression selon la revendication 2,
    caractérisée en ce que
    les positions des images d'impression (32) des plaques d'impression (30) juxtaposées dans la direction axiale de chaque cylindre porte-plaques (15, 16, 17, 18) sont au moins partiellement décalées les unes par rapport aux autres dans la direction périphérique.
  5. Unité d'impression selon la revendication 1,
    caractérisée en ce que
    chaque cylindre porte-plaques (15, 16, 17, 18) comporte une forme d'impression réalisée comme manchon d'impression et
    le manchon d'impression a plusieurs images d'impression juxtaposées dans la direction axiale, les positions des images d'impression juxtaposées dans la direction axiale étant au moins partiellement décalées les unes des autres dans la direction périphérique.
  6. Unité d'impression selon l'une ou plusieurs des revendications 1 à 5,
    caractérisée en ce qu'
    elle est réalisée sous la forme d'une unité d'impression à neuf cylindres comprenant quatre cylindres porte-plaques (15, 16, 17, 18), quatre cylindres de transfert (19, 20, 21, 22) et un unique cylindre de contre-pression (23).
  7. Unité d'impression selon l'une ou plusieurs des revendications 1 à 5,
    caractérisée en ce qu'
    elle est réalisée sous la forme d'une unité d'impression à dix cylindres comprenant quatre cylindres porte-plaques (15, 16, 17, 18), quatre cylindres de transfert (19, 20, 21, 22) et deux cylindres de contre-pression (23).
EP06007161.0A 2005-04-13 2006-04-05 Unité d'impression d'une machine rotative d'impression Not-in-force EP1712355B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005017181A DE102005017181A1 (de) 2005-04-13 2005-04-13 Druckeinheit einer Rollenrotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP1712355A1 EP1712355A1 (fr) 2006-10-18
EP1712355B1 true EP1712355B1 (fr) 2008-07-30
EP1712355B2 EP1712355B2 (fr) 2014-12-17

Family

ID=36702796

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06007161.0A Not-in-force EP1712355B2 (fr) 2005-04-13 2006-04-05 Unité d'impression d'une machine rotative d'impression

Country Status (4)

Country Link
US (1) US7938064B2 (fr)
EP (1) EP1712355B2 (fr)
CA (1) CA2541942A1 (fr)
DE (2) DE102005017181A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004033920B4 (de) * 2004-05-04 2006-11-02 Koenig & Bauer Ag Druckform einer Druckmaschine und Rollenrotationsdruckmaschine
DE102007010358A1 (de) * 2007-03-03 2008-10-30 Manroland Ag Satellitendruckeinheit einer Rollendruckmaschine
DE102013212917B4 (de) * 2013-07-03 2017-03-16 Koenig & Bauer Ag Formzylinder einer Rotationsdruckmaschine sowie Druckwerk

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH345906A (de) * 1956-10-24 1960-04-30 Winkler Fallert & Co Maschf Verfahren und Einrichtung für einen stossfreien Druckablauf an Rotationsmaschinen
US3659525A (en) † 1969-10-28 1972-05-02 Wood Industries Inc Flexible printing plate clamping device
US5205039A (en) * 1991-11-14 1993-04-27 James Ternes Method for registering multiple printing plates
DE19516368C2 (de) † 1995-05-04 1999-09-23 Neumeister Geb Gmbh Verfahren und Vorrichtung zur Anpassung der Lage von Druckplatten an die Verformung des zu bedruckenden Papieres
JPH1071694A (ja) * 1996-08-30 1998-03-17 Mitsubishi Heavy Ind Ltd 印刷胴
JP3405386B2 (ja) 1997-02-21 2003-05-12 有限会社テエイク・ワン総合事務所 温度制御気液分離装置
JP3634265B2 (ja) * 1998-12-30 2005-03-30 ケーニツヒ ウント バウエル アクチエンゲゼルシヤフト ５本胴式印刷ユニットを備えた輪転印刷機
US6253678B1 (en) † 1999-03-24 2001-07-03 R. R. Donnelley & Sons Method of printing to reduce misregistration
DE19961574A1 (de) 1999-12-21 2001-07-19 Koenig & Bauer Ag Zylinder einer Rollenrotationsdruckmaschine
US6439117B1 (en) * 2000-05-17 2002-08-27 Heidelberger Druckmaschinen Ag Printing press with multi-plate plate cylinder
DE10035785A1 (de) * 2000-07-22 2002-02-07 Koenig & Bauer Ag Druckwerk einer Offsetrotationsdruckmaschine
JP2003159777A (ja) * 2001-11-27 2003-06-03 Tokyo Kikai Seisakusho Ltd 版胴及びこの版胴の刷版装着装置
WO2003084751A1 (fr) † 2002-04-06 2003-10-16 Koenig & Bauer Aktiengesellschaft Unites d'impression
DE10249947A1 (de) * 2002-10-26 2004-05-13 Man Roland Druckmaschinen Ag Druckwerk einer Rollenrotationsdruckmaschine für Zeitungsdruck
DE10321989B4 (de) * 2003-01-30 2005-10-06 Koenig & Bauer Ag Druckmaschine
DE502005003308D1 (de) † 2004-01-28 2008-04-30 Koenig & Bauer Ag Druckmaschine mit einer vorrichtung und einem verfahren zur kompensation der laengsdehnung und der querdehnung einer in verschiedenen druckwerken gedruckten bedruckstoffbahn
DE102005048619A1 (de) * 2004-10-11 2006-04-13 Koenig & Bauer Ag Druckeinheit mit einem Formzylinder,Übertragungszylinder und Farbauftragswalze und ein Verfahren zur Bestimmung einer Federkennlinie eines Farbauftragswalzenbelags oder Feuchtauftragswalzenbelags

Also Published As

Publication number Publication date
US20060230954A1 (en) 2006-10-19
DE502006001208D1 (de) 2008-09-11
CA2541942A1 (fr) 2006-10-13
EP1712355A1 (fr) 2006-10-18
US7938064B2 (en) 2011-05-10
EP1712355B2 (fr) 2014-12-17
DE102005017181A1 (de) 2006-10-19

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