WO2008015152A2 - Unité d'impression d'une imprimante rotative à bobines - Google Patents

Unité d'impression d'une imprimante rotative à bobines Download PDF

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Publication number
WO2008015152A2
WO2008015152A2 PCT/EP2007/057707 EP2007057707W WO2008015152A2 WO 2008015152 A2 WO2008015152 A2 WO 2008015152A2 EP 2007057707 W EP2007057707 W EP 2007057707W WO 2008015152 A2 WO2008015152 A2 WO 2008015152A2
Authority
WO
WIPO (PCT)
Prior art keywords
printing unit
printing
unit according
forme cylinder
circumference
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.)
Ceased
Application number
PCT/EP2007/057707
Other languages
German (de)
English (en)
Other versions
WO2008015152A3 (fr
Inventor
Georg Schneider
Bernd Kurt Masuch
Wolfgang Otto Reder
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to CN2007800282237A priority Critical patent/CN101495314B/zh
Priority to EP07787932A priority patent/EP2046578A2/fr
Publication of WO2008015152A2 publication Critical patent/WO2008015152A2/fr
Publication of WO2008015152A3 publication Critical patent/WO2008015152A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/304—Arrangements for inking roller bearings, forks or supports
    • B41F31/308—Swinging bearings
    • 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
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • B41F13/30—Bearings mounted on sliding supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/301—Devices for tripping and adjusting form rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/304—Arrangements for inking roller bearings, forks or supports
    • 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
    • B41F7/12—Rotary lithographic machines for offset printing using two cylinders one of which serves two functions, e.g. as a transfer and impression cylinder in perfecting machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2200/00—Printing processes
    • B41P2200/20—Lithography
    • B41P2200/21—Dry offset printing

Definitions

  • the invention relates to a printing unit of a web-fed rotary printing press according to the preamble of claim 1.
  • a printing unit of a web-fed rotary printing press wherein after a first embodiment an anilox roll is inked by means of a chambered doctor blade, the ink is transferred by means of a ink transfer roller or blanket roll to a forme cylinder and the print image via another cylinder on a printing substrate is transmitted.
  • the coloring of the printing plates on the forme cylinder by means of a conventional inking unit, z.
  • inking units which colorize the forme cylinder with a ink transfer roller whose circumference corresponds to the circumference of the forme cylinder. This works well in cold-set wet offset as well as, at low speeds up to about 4 m / s in waterless printing on sheetfed presses.
  • high-viscosity printing inks which are required in connection with waterless printing, and the high speed required by web-fed rotary printing presses, it is not possible to achieve the required color density with a single contact strip to the anilox roller.
  • the DE 197 31 003 B4 shows in Figure 17, an inking unit of a printing press with two form cylinder-sized inking rollers, which are colored by a dipping into an ink fountain roller.
  • DE 32 23 352 A1 describes a planographic printing machine, in the blanket cylinder, plate cylinder, inking roller, associated anilox roller and dampening roller have the same diameter.
  • DE 32 32 780 A1 and DE 33 29 331 C2 each disclose two form cylinder-sized inking rollers.
  • the invention has for its object to provide a printing unit of a web-fed rotary printing press.
  • At least one of the inking rollers preferably both inking rollers, but at least the last-applying inking roller, with a blanket, z. B. sleeve blanket is equipped, wherein the blanket, z. B. sleeve blanket has a relatively high hardness, in particular a hardness of 50 to 70 Shore (A), for example, of about 60 Shore (A).
  • the inking unit is also suitable for use with high print quality.
  • the two chamber doctor blade in the case of a double printing unit in both printing units, the two chamber doctor blade, each arranged in a corresponding spatial position on the respective ink transfer roller, and the directions of movement of the two ink transfer rollers are each rectified, ie in particular each downwards or upwards, so that the Abrakelung the ink is carried on the respective ink transfer roller or the respective chamber doctor blade in the same direction, which has the advantage that in both printing units of the double printing the Abrakelung in both chamber doctor blades each runs the same.
  • the invention makes it possible to build a printing tower as a compact tower without separation in the middle, in which even the blanket can be easily replaced due to the compact design and the small plate cylinder diameter of, for example, 197 mm on the basis of double printing.
  • the advantage of this variant is that it requires a small footprint.
  • Another advantage is the fact that when printing plates no substrate web is a hindrance. The accessibility and operation of the cylinder is very good in this construction.
  • the invention relates to printing machines with waterless offset printing, which thus print in the "dry offset” by means of waterless planographic printing plates and a short inking unit with i.d.R high-viscosity inks, the uniform printing can pose difficulties.
  • Fig. 2 is a side view of a second embodiment of a double printing unit
  • Fig. 3 is a side view of a printing machine with a plurality of double printing units according to Fig. 1 or 2;
  • Fig. 4 is a side view of a printing tower with a plurality of double printing units according to Fig. 1 or 2;
  • Fig. 5 is a side view of a printing machine with a printing tower of Fig. 4;
  • Fig. 6 is a linear bearing of a cylinder.
  • FIG. 1 shows a particularly designed for waterless planographic printing and / or offset printing unit 01 of a rotary printing machine, not shown here in detail, in particular a web-fed rotary offset printing machine, arranged on a machine frame 02 double printing unit 03, which two printing units 06; 07 for printing on both sides of a substrate web 04, such as a paper web 04 or a film web 04 in perfecting includes.
  • Each printing unit 06; 07 comprises a plate cylinder 08 bearing at least one printing plate, in particular a plate cylinder 08 carrying at least one waterless planographic printing plate, a transfer cylinder 09 transferring the printing image from the forme cylinder 08 to the printing material web 04, in particular a blanket cylinder 09, and a total denoted by the reference numeral 11, in particular as a short inking unit 1 1 formed inking unit 1 1 for coloring the Forming cylinder 08 with printing ink.
  • the axes of the forme cylinder 08 and the transfer cylinder 09 of the two printing units 06; 07 are parallel to each other and are preferably in a common plane. As in the case of the exemplary embodiments according to FIGS.
  • this plane can be clamped vertically or approximately vertically or else, as in the case of FIGS. 4 and 5, horizontally or approximately horizontally, or possibly also at another angle be.
  • the plane can also include an opening angle of preferably 81 ° to 87 ° with the transport direction / running direction of the printing material web 04.
  • the transfer cylinder 09 of the two printing units 06; 07 are in operation in a contact point 20, in particular pressure point 20 against each other and lead between them the printing substrate 04 to be printed.
  • the inks used are specially designed for waterless offset printing.
  • waterless offset printing z. B a silicone layer on the surface of a printing form
  • the non-printing areas and the printing areas of the printing form become areas of different surface tensions
  • printing inks are used whose properties differ from printing inks used in conventional "wet offset", in particular printing inks having a higher viscosity are used.
  • the viscosity of the ink is z. B according to the standard ISO 12644: 1996 (E). Their value can be z. B according to the above standard with a bar viscometer or z. B with the measuring method according to Höppler be determined with a falling ball viscometer.
  • the viscosity is a highly dependent on the temperature variable. As the temperature increases, printing inks show a significant drop in their viscosity in the temperature range between 15 ° C and 50 ° C, in particular between 22 ° C and 40 ° C, which is relevant for the printing process.
  • the value of the viscosity is for use in Conveniently associated with the present invention, printing inks in the temperature range between 22 ° C and 40 ° C, preferably of 27 ° C, below 350 Pa * s, in particular between 10 Pa * s and 150 Pa * s.
  • the printing inks used are preferably heatset inks which are dried in a dryer downstream of the printing unit 01, not shown in detail in FIG. 1, for example a hot air dryer or radiation dryer, in particular a UV (ultraviolet) dryer or IR (infrared) dryer ,
  • Each of the two inking units 1 1 of the two printing units 06; 07 comprises an ink supply device 12, in particular a chamber doctor blade 12, by means of which ink is applied to a ink transfer roller 13, in particular an anilox roller 13.
  • the ink transfer roller 13 or anilox roller 13 in turn is in operation with two inking rollers 14; 16 in contact, which in turn are in operation with the associated forme cylinder 08 in engagement, so that on the two inking rollers 14; 16 ink is transferred from the anilox roller 13 to the forme cylinder 08.
  • each of the inking rollers 14; 16 equal to the circumference of the forme cylinder 08.
  • the diameter of the inking rollers 14; 16 as well as the diameter of the forme cylinder 08 are each 197 mm.
  • At least the inking rollers 14; 16 are from their shown in Fig.
  • the axes of the inking rollers 14; 16 stored in a known per se and therefore unspecified manner, as is known per se, for example, from WO 2004/103704 A2.
  • the inking rollers 14; 16 may for example also be stored in storage units comprising controllable linear bearings.
  • FIG. 2 corresponds to that according to FIG. 1, wherein it can be seen from FIG. 2 that the inking rollers 14; 16 are mounted on pivot lever devices 17, which via actuators 18, z. B. hydraulically or pneumatically actuated piston-cylinder assemblies 18 are actuated.
  • FIG. 3 shows a printing machine with several, here five juxtaposed printing units 01 shown in FIG. 1 or 2, wherein the total horizontally guided printing substrate 04 coming from a supply roll 19, the five printing units 01 successively for printing z. B. with the colors black, cyan, magenta, yellow and lacquer, then for the purpose of drying the heatset printing inks through a suitable dryer 21, z. B. a hot air dryer 21 and / or a UV dryer 21 and / or an IR dryer 21 is guided and then wound on a pickup roller 22 for printed substrate web 04. In UV dryers UV ink is printed.
  • Fig. 4 shows a printing tower 23 with a plurality, here four stacked double printing units 03 according to or similar to Fig. 1 and 2.
  • the individual double printing units 03 are aligned here approximately horizontally and the Substrate web 04 is here in the vertical direction from bottom to top through the four double printing units 03 z. B. for double-sided printing with four inks.
  • FIG. 5 shows a printing press with a printing tower 23 according to FIG. 4, wherein the printing material web 04 is fed from below to the printing tower 23 by a roll changer 24, the printed printing material web 04 leaves the printing tower 23 at the top, then through a dryer 26, for example a UV Dryer 26 and IR dryer 26 is guided, then passes through a cooling roller device 27, then enters a Falzwerk hopper 28 and finally cut in a folding unit 29 and folded.
  • a dryer 26 for example a UV Dryer 26 and IR dryer 26 is guided, then passes through a cooling roller device 27, then enters a Falzwerk hopper 28 and finally cut in a folding unit 29 and folded.
  • At least one of the inking rollers 14; 16 has an elastic layer 15 with a hardness of 50-70 Shore A on its bale.
  • This layer 15 is arranged, for example, on a sleeve, the bale of the inking roller 14; 16 is removable.
  • At least one of the two inking rollers 14; 16 of a printing unit 06 is with respect to the contact point 20 of the double printing unit 03 point-symmetrical to at least one of the two inking rollers 14; 16 of the other printing 07 arranged.
  • the ink transfer roller 13 of the two printing units 06, 07 is arranged point-symmetrically with respect to the contact point 20 of the double printing unit.
  • each of the circumference of the inking rollers 14 differs; 16 of the circumference of the forme cylinder 08 less than 10%, in particular less than 5%.
  • each of the circumference of the inking rollers 14 differs; 16 of the circumference of the forme cylinder 08 less than 3%, in particular less than 1, 5%.
  • the circumference of the ink transfer roller 13 is substantially equal to the circumference of the forme cylinder 08.
  • the circumference of the ink transfer roller 13 differs from the circumference of the forme cylinder 08 less than 10%, in particular less than 5%.
  • the circumference of the ink transfer roller 13 differs from the circumference of the forme cylinder 08 less than 3%, in particular less than 1, 5%.
  • At least one forme cylinder 08 and each transfer cylinder 09 each have at least one own actuator 31 for changing the position (pressure ON or pressure AB).
  • At least one forme cylinder 08 and each transfer cylinder 09 have their own linear bearing 32.
  • Each of the inking rollers 14; 16 each has at least one own actuator 18 for positioning, which allows the on or off to the associated forme cylinder 08.

Landscapes

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

Abstract

L'invention concerne une unité d'impression (01) comprenant au moins un groupe d'impression (06; 07) d'une imprimante rotative à bobines avec au moins un cylindre d'impression (08) portant au moins une plaque d'impression, un cylindre de transfert (09) coopérant avec le cylindre d'impression (08) pour transférer des images imprimées du cylindre d'impression (08) à une bande de matière d'impression (04), et avec un dispositif d'encrage (11) pour encrer le cylindre d'impression (08) au moyen d'encre d'impression; le dispositif d'encrage (11) comprend un rouleau de transfert d'encre (13) pour transférer l'encre d'impression, un dispositif d'alimentation en encre d'impression (12) pour alimenter le cylindre de transfert d'encre (13) en encre d'impression, ainsi qu'un cylindre d'encrage (14; 16) coopérant d'une part avec le cylindre de transfert d'encre (13) et d'autre part avec le cylindre d'impression (08), pour appliquer de l'encre d'impression sur le cylindre d'impression (08). Le dispositif d'encrage (11) présente deux cylindres d'encrage (14; 16) coopérant avec le cylindre de transfert d'encre (13) ou avec le cylindre d'impression (08), la périphérie des cylindres d'encrage (14; 16) étant à chaque fois identique à la périphérie du cylindre d'impression (08).
PCT/EP2007/057707 2006-07-31 2007-07-26 Unité d'impression d'une imprimante rotative à bobines Ceased WO2008015152A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2007800282237A CN101495314B (zh) 2006-07-31 2007-07-26 具有至少一个卷筒纸轮转印刷机的印刷装置的印刷单元
EP07787932A EP2046578A2 (fr) 2006-07-31 2007-07-26 Unité d'impression d'une imprimante rotative à bobines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610035504 DE102006035504A1 (de) 2006-07-31 2006-07-31 Druckeinheit einer Rollenrotationsdruckmaschine
DE102006035504.0 2006-07-31

Publications (2)

Publication Number Publication Date
WO2008015152A2 true WO2008015152A2 (fr) 2008-02-07
WO2008015152A3 WO2008015152A3 (fr) 2008-07-17

Family

ID=38884759

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/057707 Ceased WO2008015152A2 (fr) 2006-07-31 2007-07-26 Unité d'impression d'une imprimante rotative à bobines

Country Status (4)

Country Link
EP (1) EP2046578A2 (fr)
CN (1) CN101495314B (fr)
DE (1) DE102006035504A1 (fr)
WO (1) WO2008015152A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8347785B2 (en) 2008-05-28 2013-01-08 Koenig & Bauer Aktiengesellschaft Web offset press as well as method for operating the web offset press

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009029572B4 (de) * 2009-09-18 2022-09-08 Manroland Goss Web Systems Gmbh Rollenrotationsdruckanlage für mehrfachbreite Bahnen mit einfachbreitem Falzapparat
DE102012220431B4 (de) 2012-11-09 2022-12-01 Koenig & Bauer Ag Verfahren zur Trocknung eines Bedruckstoffs mittels einer Trocknungseinrichtung einer Druckmaschine
CN109591454B (zh) * 2018-12-31 2020-08-07 高斯图文印刷系统（中国）有限公司 一种书刊卷筒纸印刷机的上部自动换版装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232780A1 (de) 1981-10-31 1983-05-11 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbwerk fuer offsetdruckmaschinen
DE3223352A1 (de) 1982-06-23 1983-12-29 Basf Farben + Fasern Ag, 2000 Hamburg Flachdruckmaschine
DE8224875U1 (de) 1982-09-03 1987-01-08 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbwerk für Offsetdruckmaschinen
DE3329331C2 (de) 1983-08-13 1987-02-26 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Druckwerk mit kurzem Farbwerk
WO2000054970A1 (fr) 1999-03-12 2000-09-21 Koenig & Bauer Aktiengesellschaft Groupe d'impression d'une presse d'imprimerie rotative
DE19731003B4 (de) 1997-07-18 2004-07-01 Man Roland Druckmaschinen Ag Kurzfarbwerk
WO2004103704A2 (fr) 2003-05-26 2004-12-02 Koenig & Bauer Aktiengesellschaft Serrures a cylindres dotees d'un element interne et d'un element externe
WO2005097505A2 (fr) 2004-04-05 2005-10-20 Koenig & Bauer Aktiengesellschaft Unite d'impression d'une rotative a bobines

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4408025A1 (de) * 1994-03-10 1995-09-14 Koenig & Bauer Ag Druckwerk für eine Mehrfarbenrollenrotationsdruckmaschine
CA2156005A1 (fr) * 1994-08-16 1996-02-17 John W. Bird Presse offset a plusieurs couleurs, faisant usage d'encre aqueuse et de planches d'impression sans eau, et avec sechage et extraction entre les stations
DE19527889C2 (de) * 1995-07-29 1997-07-17 Koenig & Bauer Albert Ag Kurzfarbwerk zum Einfärben einer Flachdruckplatte
FR2755057B1 (fr) * 1996-10-25 1999-01-15 Heidelberg Harris Sa Dispositif de mise en appui de rouleaux contre des surfaces rotatives
DE19804269A1 (de) * 1998-02-04 1999-08-05 Heidelberger Druckmasch Ag Vorrichtung zum Auftragen einer Flüssigkeit auf einen Bedruckstoffbogen, insbesondere Druck, oder Lackierwerk, in einer Bogenrotationsdruckmaschine
EP1815984B1 (fr) * 2001-11-22 2012-03-28 Koenig & Bauer AG Procédé d'utilisation d'une unité d'impression d'une presse rotative
DE10262042B4 (de) * 2001-12-06 2005-11-10 Koenig & Bauer Ag Farbwerk mit zumindest drei Walzen bzw. Zylinder
US20060070570A1 (en) * 2002-06-11 2006-04-06 Man Roland Druckmaschinen Ag Application device for a printing/painting unit in a processing machine

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232780A1 (de) 1981-10-31 1983-05-11 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbwerk fuer offsetdruckmaschinen
DE3223352A1 (de) 1982-06-23 1983-12-29 Basf Farben + Fasern Ag, 2000 Hamburg Flachdruckmaschine
DE8224875U1 (de) 1982-09-03 1987-01-08 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbwerk für Offsetdruckmaschinen
DE3329331C2 (de) 1983-08-13 1987-02-26 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Druckwerk mit kurzem Farbwerk
DE19731003B4 (de) 1997-07-18 2004-07-01 Man Roland Druckmaschinen Ag Kurzfarbwerk
WO2000054970A1 (fr) 1999-03-12 2000-09-21 Koenig & Bauer Aktiengesellschaft Groupe d'impression d'une presse d'imprimerie rotative
WO2004103704A2 (fr) 2003-05-26 2004-12-02 Koenig & Bauer Aktiengesellschaft Serrures a cylindres dotees d'un element interne et d'un element externe
WO2005097505A2 (fr) 2004-04-05 2005-10-20 Koenig & Bauer Aktiengesellschaft Unite d'impression d'une rotative a bobines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8347785B2 (en) 2008-05-28 2013-01-08 Koenig & Bauer Aktiengesellschaft Web offset press as well as method for operating the web offset press

Also Published As

Publication number Publication date
WO2008015152A3 (fr) 2008-07-17
CN101495314B (zh) 2011-04-20
EP2046578A2 (fr) 2009-04-15
DE102006035504A1 (de) 2008-02-07
CN101495314A (zh) 2009-07-29

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