EP1243414A1 - Méthode d'impression - Google Patents

Méthode d'impression Download PDF

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Publication number
EP1243414A1
EP1243414A1 EP02003008A EP02003008A EP1243414A1 EP 1243414 A1 EP1243414 A1 EP 1243414A1 EP 02003008 A EP02003008 A EP 02003008A EP 02003008 A EP02003008 A EP 02003008A EP 1243414 A1 EP1243414 A1 EP 1243414A1
Authority
EP
European Patent Office
Prior art keywords
printing
cylinder
printed
cylinders
printing cylinder
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
EP02003008A
Other languages
German (de)
English (en)
Other versions
EP1243414B2 (fr
EP1243414B1 (fr
Inventor
Wilfried Dr. Kolbe
Klaus Schirrich
Harald Bollhöfener
Hartmut Grosse
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.)
Bobst Bielefeld GmbH
Original Assignee
Fischer and Krecke GmbH and Co KG
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
Family has litigation
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Application filed by Fischer and Krecke GmbH and Co KG filed Critical Fischer and Krecke GmbH and Co KG
Publication of EP1243414A1 publication Critical patent/EP1243414A1/fr
Application granted granted Critical
Publication of EP1243414B1 publication Critical patent/EP1243414B1/fr
Publication of EP1243414B2 publication Critical patent/EP1243414B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/24—Rotary letterpress machines for flexographic printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/50—Printing presses for particular purposes
    • B41P2217/52—Printing presses for particular purposes for printing a long repeat length on webs

Definitions

  • the invention relates to a method for printing on a rotary printing press with several printing cylinders that can be set against a printing material web are.
  • the multiple printing cylinders are used for printing in multiple colors.
  • Examples are flexographic printing machines known in which several inking units, each a printing cylinder have, arranged on the circumference of a common impression cylinder are.
  • the substrate runs over the impression cylinder and is in the individual inking units one after the other with the color separations of the print Printed on the picture. Because the print image changes with every revolution of the printing cylinder repeated, is the print length, that is, the extent of the print Image in the direction of travel of the substrate, by the circumferential length of the Limited printing cylinder.
  • a printing press for printing large format images a printing press is required in which the printing cylinder has a large diameter have and thus allow a large print length and / or a large have an axial length and thus enable a correspondingly large printing width, so that the image can be printed in landscape format.
  • an expensive printing press is required, which is so designed that it enables large print lengths and / or print widths.
  • the object of the invention is to provide a method for printing large format Images with a small and inexpensive printing machine allows.
  • This object is achieved in that the print image in several elements is split, which is printed with different impression cylinders be, and that at least one of these pressure cylinders during the Printing operation periodically, each for the duration of at least one revolution of the printing cylinder, is turned off by the printing material.
  • the circumferential length of the printing cylinder therefore does not need to be the same as the total length of the printed image, but only needs the length of the with this Corresponding printing cylinder to the element to be printed.
  • this printing cylinder is at least for one revolution of the substrate turned off so that the corresponding place on the printing material is free remains. In this vacant position, another printing cylinder is used other element of the image printed.
  • the longitudinal register is selected so that the elements successively printed with different impression cylinders complement each other precisely to the desired print image.
  • the largest format the printed image that is printed in this way with a printing press can be limited in one direction by the printing width of the machine, can, however, in the other direction a multiple of the circumferential length of the Printing cylinders, depending on the number of printing cylinders used.
  • each printing cylinder can use a different color component be used so that a multi-color print with one of the number of Printing cylinder corresponding number of colors is made possible.
  • larger image formats can also be printed by at least two printing cylinders can be used for different elements of the same image. If these elements are to be printed in the same color or a common one Color component, however, is the total selection available standing inks are restricted accordingly. However, this is for many practical applications are perfectly acceptable.
  • One application example is the printing of large-format tablecloths, for example of disposable paper tablecloths.
  • Another example of practical application is printing on Packaging material, in which the printed images of each use, which later each form a single package, partly matching, but partly also have different picture elements.
  • picture elements can be different type designations, trade a printed packaging date and the like.
  • the circumferential length of the printing cylinder For example, is three times the useful length, so in one Pass-through printed with a maximum of three different prints become.
  • the print image only requires two colors, e.g. B. a color for the matching single color picture elements and a second color for the variable Imprint, so two inking units of the printing machine remain unused.
  • the invention also relates to a printing press that is used to carry out of the described method is suitable.
  • This printing press has as is known per se, an adjusting device for moving the printing cylinder between one attached to the substrate and one from the substrate parked position and is characterized by a control device, the at least one of the printing cylinders periodically during the printing operation turns on and off.
  • the actuator is preferably such that the period of time to Moving the impression cylinder between the set position and the set position is required, is significantly smaller than the rotation period of the Pressure cylinder.
  • Such adjusting devices are used in conventional flexographic printing machines an anilox roller, which is used to apply the color to the Printing cylinder serves to park relatively far from the printing cylinder and the printing cylinder to be parked relatively far from the impression cylinder or central cylinder, so that, for example, there is enough space to handle when changing cylinders the cylinder is created.
  • the printing cylinder needs during the periodic on and off movements only moved so far away from the substrate during printing be that no more printing ink is transferred to the substrate. A distance of just a fraction of a millimeter is sufficient. Also at high-speed printing presses can therefore neglect the time required be small in relation to the rotation period of the impression cylinder, so that the elements of the Join the printed image precisely and seamlessly and essentially without overlap to let.
  • the actuating devices can be designed in a known manner, for example as roller gear spindles with servo motors, in which the adjustment paths can be controlled precisely, so that an exact return to the original Position is possible.
  • These drives act on trestles on which the pressure cylinders are stored and which are guided on ball linear guides, for example.
  • Adjustment paths during the periodic on and off movements can a two-stage drive system can also be used.
  • the long-stroke adjustment movements are then carried out with the first stage, while the second Level is only responsible for the very short-stroke adjustment movements.
  • the short-stroke adjustment movements can also be limited by stops become. Hydraulic or pneumatic drives or piezoelectric drives can be used.
  • At least two printing cylinders periodically can be turned on and off.
  • the printed image consists of only two elements, namely one relative short print and a background that is solid or periodic Pattern, it is sufficient if only the printing cylinder for printing is on and off.
  • the rotary printing press shown in FIG. 1 for example a flexographic printing press, has a central cylinder 10 with a large diameter, at the Several inking units are arranged. In the drawing are only three inking units 12, 14, 16 shown.
  • a printing cylinder belongs to each inking unit 18, 20, to one not recognizable in FIG. 1, via the central cylinder 10 running printing material web is adjustable, an anilox roller 22 for application of printing ink on the impression cylinder and a chamber doctor blade 24, the serves to ink the anilox roller 22.
  • the pressure cylinders 20 are rotatable Bucks 26 stored, which are slidably guided on guides 28, as in Figure 1 is only shown for the inking units 14 and 16.
  • the anilox roller 22 and the chambered doctor blades 24 are supported on a common block 30 at each end, which can be moved on the same guide 28 or on a separate guide is.
  • the brackets 26 for the printing cylinders are each an adjusting device 32 assigned, which in the example shown by a servo motor 34 and a spindle drive 36 is formed.
  • the blocks 30 is a separate one Actuating device 38 assigned, which also by a servo motor 40 and Spindle drive 42 is formed.
  • the servomotors 34 and 40 have an integrated one With which it is possible to precisely adjust the adjustment paths measure and control. In this way, the pressure cylinder 20 can be precise bring it into a pressure-effective position in which it can be attached to the central cylinder 10 are employed and are therefore in contact with the substrate.
  • the printing cylinder 20 is from the central cylinder 10 turned off so that no ink is transferred to the substrate while in the inking unit 16, the printing cylinder 20 has a printing effect and on the central cylinder 10 is employed.
  • the inking unit 14 also has Anilox roller 22 turned off by the printing cylinder 20 while it is in the inking unit 16 is employed on the pressure cylinder 20.
  • FIG. 2 illustrates a printing process using the printing machine shown in Figure 1 can be executed.
  • a printing material web 44 is schematic here represented in a settlement.
  • the drive motors 46 are made electronic by a control device 48 synchronized with each other and with the central cylinder 10, not shown in Figure 2.
  • the control device 48 also acts on the servo motors 34, 40 of the Actuators 32, 38 and thus controls the on and off movements of the Printing cylinder 20. These on and off movements can be done easily while running Printing machine run because of the associated drive motors 46 move with the respective pressure cylinders.
  • the printing material web 44 for production of packaging material.
  • Every benefit N of the packaging material should be provided with a print image, which in the example shown consists of two Elements exists, namely a frame 50 and one that are the same for all purposes text to use varying from use to use 52.
  • Procedures are carried out in a single operation, i.e. in one Print run, six different uses printed, which are reflected in their text 52 differentiate.
  • the text prints are in Figure 2 by letter sequences "AAA”, "BBB”, ..., "FFF” symbolizes.
  • the printing cylinder 18 of the inking unit 12 are used for all purposes matching frame 50 printed.
  • the circumferential length of the impression cylinder 18 corresponds to the length of a panel.
  • Text prints 52 (AAA, BBB, CCC) made for three different uses.
  • the pressure cylinder 20 must be three times the pressure cylinder 18 Circumferential length and thus also three times the diameter (the Drawing is not to scale). It can be assumed that the Printing cylinders 20 have the largest diameter in the printing press is installable. It would therefore not be possible to print all six different text 52 to print with a single impression cylinder.
  • the benefits of group 56 with three others Provide text printing (DDD, EEE, FFF).
  • the pressure cylinder 20 of the Inking unit 16 turned on and off in push-pull to the printing cylinder of the inking unit 14.
  • the print image ultimately obtained thus consists of a sequence of benefits six different text prints 52 and has a print length that is twice that is the same as the circumferential length of the impression cylinder 20.
  • the process can be carried out without any problems generalize to applications where the effective print length is Is three times the circumference of the impression cylinder.
  • the printed image could then, for example from a sequence of nine uses with different text imprints 52 exist.
  • the pressure cylinders 20 would then alternate and clocked for one revolution and for two revolutions switched off.
  • FIG. 3 shows, as a further example, a tablecloth 58, which has an almost the The entire base area of the tablecloth is filled with a two-tone print image shall be.
  • the printed image here consists of an outer frame 60 which runs a little to the edge of the tablecloth, and a different color Inner surface 62, the length of which is not more than half the length of the tablecloth is.
  • the tablecloth 58 should have the dimensions 1900 x 1300 mm. It is assumed that a printing machine with three Printing cylinders are available, the maximum printing width is not essential is more than 1300 mm and their maximum circumferential length no longer than about 1000 mm. Three printing cylinders are then used for printing a circumferential length of 950 mm is used, which corresponds to exactly half of the Length of the tablecloth.
  • FIG. 4 illustrates how the complete printed image is generated on the tablecloth 58 can be.
  • the frame 60 is divided into two mirror-image elements 64, 66, which are printed with printing cylinders DZ1 and DZ2 of two inking units, who work with the same color.
  • a third element is through the inner surface 62 formed, which must be printed in a different color. Because the length of the Inner surface 62, however, is smaller than the circumferential length of the printing cylinder, is sufficient a third pressure cylinder DZ3.
  • the on and off phases during of the printing operation are related to each of the three printing cylinders Position of the elements 62, 64, 66 shown on the printing material 44. dashed horizontal lines divide the substrate into sections whose Length corresponds to the circumferential length of the printing cylinder.
  • the pressure cylinders DZ1 and DZ2 work almost in push-pull, so that the Add elements 64, 66 to frame 60.
  • the start and stop cycle of the Printing cylinder DZ3, on the other hand, is half a period longer than Stroke of the other two pressure cylinders, so that the inner surface 62 in the center of frame 60 is printed.
  • This exemplary embodiment can also be used analogously to use cases extend longer print lengths and a greater number of elements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Printing Methods (AREA)
EP02003008.6A 2001-03-22 2002-02-12 Méthode d'impression Expired - Lifetime EP1243414B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114250 2001-03-22
DE10114250A DE10114250A1 (de) 2001-03-22 2001-03-22 Druckverfahren

Publications (3)

Publication Number Publication Date
EP1243414A1 true EP1243414A1 (fr) 2002-09-25
EP1243414B1 EP1243414B1 (fr) 2007-04-11
EP1243414B2 EP1243414B2 (fr) 2014-12-24

Family

ID=7678696

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02003008.6A Expired - Lifetime EP1243414B2 (fr) 2001-03-22 2002-02-12 Méthode d'impression

Country Status (5)

Country Link
US (1) US6796226B2 (fr)
EP (1) EP1243414B2 (fr)
JP (1) JP2002326441A (fr)
DE (2) DE10114250A1 (fr)
ES (1) ES2283476T5 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006134070A3 (fr) * 2005-06-17 2007-04-12 Koenig & Bauer Ag Machine d'impression flexographique
EP1852256A1 (fr) * 2006-05-05 2007-11-07 Schaeffler KG Machine d'impression flexographique

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060263255A1 (en) * 2002-09-04 2006-11-23 Tzong-Ru Han Nanoelectronic sensor system and hydrogen-sensitive functionalization
US20060107852A1 (en) * 2004-01-28 2006-05-25 Rdp Marathon Inc. Printing unit convertible between at least two printing modes
DE102005004972A1 (de) * 2005-02-03 2006-08-10 Windmöller & Hölscher Kg Registerverfahren
DE102006003007B4 (de) * 2005-06-17 2010-09-23 Koenig & Bauer Aktiengesellschaft Flexodruckmaschine
US20100294927A1 (en) * 2005-09-12 2010-11-25 Nanolnk, Inc. High throughput inspecting
US7222568B1 (en) * 2005-12-23 2007-05-29 Fischer & Krecke Gmbh & Co. Method for flexographic multi-color printing using anilox rollers having different diameters
EP1803565A1 (fr) * 2005-12-27 2007-07-04 Fischer & Krecke GmbH & Co. KG Procédé pour changer un groupe d'impression sur une presse rotative tournante
US8931410B2 (en) * 2006-01-25 2015-01-13 Advanced Vision Technology (Avt) Ltd. System and method for setting up a printing press
ITFI20060189A1 (it) * 2006-08-01 2008-02-02 Perini Fabio Spa Gruppo stampa per decorare un materiale nastriforme e confezione di materiale nastriforme decorato
ES2300209B1 (es) * 2006-11-22 2009-05-01 Comexi, S.A. Metodo de ajuste posicional de cuerpos impresores en maquinas impresoras flexograficas.
DE102007046771A1 (de) * 2007-09-29 2009-04-02 Manroland Ag Verfahren zum Bedrucken einer Bedruckstoffbahn
DE102007046773B4 (de) * 2007-09-29 2019-01-17 Manroland Goss Web Systems Gmbh Verfahren zum Betreiben einer in eine Rollendruckmaschine integrierten Bearbeitungseinrichtung
ITFI20080064A1 (it) * 2008-04-04 2009-10-05 Perini Fabio Spa "macchina da stampa e metodo per la sua taratura"
US7793590B2 (en) * 2008-05-15 2010-09-14 T.S.D. Llc System and method for forming debit card using improved print cylinder mechanism
US20100122638A1 (en) * 2008-11-18 2010-05-20 C.G. Bretting Manufacturing Co., Inc. Flexographic Printing Apparatus And Method
WO2018098034A1 (fr) * 2016-11-28 2018-05-31 The Procter & Gamble Company Procédé de création de multiples motifs
US11449290B2 (en) 2017-07-14 2022-09-20 Georgia-Pacific Corrugated Llc Control plan for paper, sheet, and box manufacturing systems
US10642551B2 (en) 2017-07-14 2020-05-05 Georgia-Pacific Corrugated Llc Engine for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
US11485101B2 (en) 2017-07-14 2022-11-01 Georgia-Pacific Corrugated Llc Controls for paper, sheet, and box manufacturing systems
US11520544B2 (en) 2017-07-14 2022-12-06 Georgia-Pacific Corrugated Llc Waste determination for generating control plans for digital pre-print paper, sheet, and box manufacturing systems
US20190016551A1 (en) 2017-07-14 2019-01-17 Georgia-Pacific Corrugated, LLC Reel editor for pre-print paper, sheet, and box manufacturing systems
DE102019103788A1 (de) * 2019-02-05 2020-08-06 Koenig & Bauer Ag Druckwerk und Druckmaschine mit einem Druckwerk

Citations (2)

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Publication number Priority date Publication date Assignee Title
FR2248158A1 (en) * 1973-10-18 1975-05-16 Reggiani Spa Large pattern rotary screen printing press - uses synchronised screens each producing part of pattern on strip material
US3921519A (en) * 1971-11-15 1975-11-25 Peter Zimmer Rotary printing machine

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DE3113055A1 (de) * 1981-04-01 1982-10-21 Koenig & Bauer AG, 8700 Würzburg "sammeldruck-rotationsmaschinendruckwerk fuer wertpapierdruck"
DE3116505C2 (de) * 1981-04-25 1985-03-28 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Rotationsdruckmaschine, die wahlweise für verschiedene Druckverfahren verwendbar ist
US4628816A (en) * 1984-06-20 1986-12-16 Six Albert J Printing apparatus
WO1988007448A1 (fr) * 1987-03-24 1988-10-06 Sillars Ian Malin Appareil d'impression de tables de nombres quasi aleatoires
JP2602488B2 (ja) * 1989-05-30 1997-04-23 株式会社 東京機械製作所 両面多色印刷機
EP0403861B1 (fr) * 1989-06-19 1994-08-31 Heidelberger Druckmaschinen Aktiengesellschaft Méthode pour obtenir rapidement l'état d'impression
DE4303797C2 (de) * 1993-02-10 2001-09-20 Heidelberger Druckmasch Ag Rotationsdruckmaschine zum Bedrucken von Bogen
SE507819C2 (sv) * 1994-02-09 1998-07-20 Tetra Laval Holdings & Finance Tryckverk för en rotationstryckpress med i en separat ram vertikalt och roterbart anordnade cylindrar
DE4435991C2 (de) * 1994-10-08 1998-02-12 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zum Konstanthalten von Farbschichtdicken in einem Farbwerk einer Druckmaschine
DE19613360A1 (de) * 1996-04-03 1997-10-09 Heidelberger Druckmasch Ag Verfahren zur Steuerung der Hebwalze in Druckmaschinen
DE19720954C2 (de) * 1997-05-17 2001-02-01 Roland Man Druckmasch Verfahren zum Einrichten der Farbführung im Fortdruck in einer Rotationsdruckmaschine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921519A (en) * 1971-11-15 1975-11-25 Peter Zimmer Rotary printing machine
FR2248158A1 (en) * 1973-10-18 1975-05-16 Reggiani Spa Large pattern rotary screen printing press - uses synchronised screens each producing part of pattern on strip material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006134070A3 (fr) * 2005-06-17 2007-04-12 Koenig & Bauer Ag Machine d'impression flexographique
EP1852256A1 (fr) * 2006-05-05 2007-11-07 Schaeffler KG Machine d'impression flexographique

Also Published As

Publication number Publication date
ES2283476T3 (es) 2007-11-01
US20020134267A1 (en) 2002-09-26
JP2002326441A (ja) 2002-11-12
DE10114250A1 (de) 2002-09-26
EP1243414B2 (fr) 2014-12-24
ES2283476T5 (es) 2015-02-20
DE50209888D1 (de) 2007-05-24
EP1243414B1 (fr) 2007-04-11
US6796226B2 (en) 2004-09-28

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