EP0637286A1 - Dispositif permettant de determiner l'erreur de reperage entre des couleurs individuelles pendant l'impression polychrome effectuee sur une presse rotative a bande longue. - Google Patents

Dispositif permettant de determiner l'erreur de reperage entre des couleurs individuelles pendant l'impression polychrome effectuee sur une presse rotative a bande longue.

Info

Publication number
EP0637286A1
EP0637286A1 EP94905086A EP94905086A EP0637286A1 EP 0637286 A1 EP0637286 A1 EP 0637286A1 EP 94905086 A EP94905086 A EP 94905086A EP 94905086 A EP94905086 A EP 94905086A EP 0637286 A1 EP0637286 A1 EP 0637286A1
Authority
EP
European Patent Office
Prior art keywords
printing
web
registration marks
fed rotary
register
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
EP94905086A
Other languages
German (de)
English (en)
Other versions
EP0637286B1 (fr
Inventor
Hans W Wehmeier
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.)
ELTROMAT GESELLSCHAFT fur INDUSTRIE-ELEKTRONIK MBH
ELTROMAT GES fur IND ELEKTRONI
Original Assignee
ELTROMAT GESELLSCHAFT fur INDUSTRIE-ELEKTRONIK MBH
ELTROMAT GES fur IND ELEKTRONI
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 ELTROMAT GESELLSCHAFT fur INDUSTRIE-ELEKTRONIK MBH, ELTROMAT GES fur IND ELEKTRONI filed Critical ELTROMAT GESELLSCHAFT fur INDUSTRIE-ELEKTRONIK MBH
Publication of EP0637286A1 publication Critical patent/EP0637286A1/fr
Application granted granted Critical
Publication of EP0637286B1 publication Critical patent/EP0637286B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/025—Registering devices

Definitions

  • the invention relates to a device for determining the register error between the individual colors in multi-color printing in a long-web web-fed rotary printing press, according to the preamble of claim 1.
  • any register error that may be present is first determined.
  • a generic device which is known, for example, from DE 40 37 728, there are two path probes in each scanning head, which can be designed, for example, in the form of fiber-optic sensors.
  • the path sensors can only be arranged at a minimum distance of 18 mm from one another due to their geometric dimensions. From this it follows again that the registration marks must be arranged at a minimum distance of 20 mm from one another.
  • the register error is determined by measuring the registration marks of the colors one and two, two and three and three and four. A time signal is determined as the measured value, which, multiplied by the respective web speed, results in the register deviation.
  • the device according to the invention only one path sensor has to be mechanically adjusted, it being possible in principle to carry out a scanning on the roller. Furthermore, web flutter can advantageously be prevented and the device according to the invention saves set-up time.
  • a level measurement is a measurement that the register deviation always relates to the first color.
  • the device according to the invention can be used, preferably automatically, to switch over to the previously described level measurement, which results in a reduction in waste.
  • the registration or printing marks are arranged one behind the other in the running direction of the printing sheet.
  • the print marks can be optically scanned, as in a conventional double web scanner, converted into an electrical analog signal and fed to the register controller.
  • advantageously only an electrical signal has to be fed to the register controller.
  • the path sensors are preferably designed as fiber-optic path sensors.
  • the registration marks in the device according to the invention are also seen in alignment in the running direction of the printed sheet, one behind the other and spaced apart from one another.
  • the mark spacing can be significantly reduced, so that the space problems explained at the beginning no longer occur when using the device according to the invention.
  • an electronic window is set by the evaluation device to select the registration marks to be scanned and evaluated. This selects the marks to be scanned, so that the register marks which must be used to determine the respective register error are always scanned and evaluated at each measuring point, despite the aligned arrangement of the registration marks and despite the presence of only a single path sensor.
  • FIG. 1 shows a schematically, greatly simplified representation of a register control device for monitoring a long-web web-fed rotary printing press, which comprises a determination device according to the invention
  • FIG. 2 shows a greatly simplified schematic illustration of a section of a printed sheet with registration marks and schematically indicated web buttons
  • FIG. 3 shows a representation corresponding to FIG. 2 of the arrangement of the registration marks with the assignment of a schematically greatly simplified path scanner; 4 shows an exemplary representation of a graph of signals which are generated by means of the device according to the invention;
  • FIG. 6 shows a representation corresponding to FIG. 5 of a second example for signal generation.
  • a register control device with a controller 1 for monitoring a long-web web-fed rotary printing press 2, as is known in principle from DE 40 37 728 C1, and in the present case the invention according to the invention according device is integrated. Since the present invention is embodied both in a separate device for determining the register error and in a regulating device which comprises this device according to the application as claimed, the complete disclosure content of DE 40 37 is added to the disclosure content of this application 728 made by reference to the content of the present application.
  • the long web web-fed rotary printing press 2 shown in FIG. 1 has four printing units 3 to 6 in the example, in which the colors yellow, red, blue and black are successively applied to a material 7 to be printed in the form of a running printing sheet.
  • each of the printing units 3 to 6 each has a printing cylinder 8, 9, 10 and 11 rotating in an ink bath.
  • the material web 7 is passed through the printing units 3 to 6 one after the other, in each case being guided over the printing cylinders 8 to 11.
  • Each printing unit of the long-web web-fed rotary printing press 2 also has a drying device 12, 13, 14 and 15, which, viewed in the direction of travel of the material web 7, is arranged subsequently to the associated printing cylinder 8, 9, 10 and 11, respectively.
  • the drying devices 12 to 15 can be designed, for example, in the form of a drying drum.
  • the printing units 3, 4 and 5 are provided with a register roller arrangement with actuators 16, 17 and 18, each of which has a correction motor 19, 20 and 21 respectively.
  • the register control device which represents a control device arranged in a housing (not shown), has a central unit 22 for recording and storing all control parameters and the control behavior.
  • the register control device preferably has control units designed as plug-in modules, of which the control unit 23 is shown in FIG. 1. These control units serve to control the longitudinal register and / or to combine the longitudinal and lateral register, and for this purpose act on the previously mentioned correction motors 19 to 21 of the respective actuators 16, 17 and 18.
  • the device according to the invention for determining the register error between the individual colors in the multi-color printing carried out in the long-web web-fed rotary printing press 2 is integrated in the overall arrangement illustrated in FIG. 1.
  • the device according to the invention has a scanning device 24, which comprises each measuring point in the printing units 4, 5 or 6 scanning heads 25, 26 and 27, and which contains the register or registration marks P1 to P4 (see FIG. 2 , 3) capture.
  • the scanning heads 25, 26 and 27 are arranged at a suitable point in the printing units 4, 5 and 6 in the running direction L of the web material 7 behind the printing cylinder.
  • the scanning heads 25, 26 and 27 are connected to a signal recording unit of the scanning device 24, which in turn forwards the determined signals to an evaluation device 33 which is connected to the central unit 22 and which determines the relative positions of the individual registration marks P1 to P4 with respect to one another makes.
  • the device according to the invention has only one single path sensor per scanning head 25 to 27, which is identified in FIG. 1 by the reference symbols T 1 or T 2 and T 3 .
  • the web scanners T- to T 3 are preferably designed as fiber-optic web scanners which optically scan the registration marks P1 to P4 and generate electrical analog signals which are fed to the evaluation device 33.
  • the evaluation device 33 uses the supplied signals to determine the relative positions of the registration marks P1 to P4 and the results are fed to the control unit 23 via the central unit 22, which in turn is connected to the correction motors 19 via lines 40, 41 and 42 , 20 and 21 is connected to perform the register correction.
  • FIG. 2 shows a section of the material web or the printing sheet 7 with four print images 43, 44, 45 and 46 in the example.
  • the registration marks P 1 to P 4 are assigned to the print images 43 to 46 a side strip 47 of the printed sheet 7 are also printed when printing the printed images 43 to 46.
  • Fig. 2 illustrates the assignment of Path scanner T- ⁇ to T 3 to the print images 44, 45 and 46. There is therefore only a single path sensor T lf T 2 and T 3 is provided per measuring point and scanning head, which scans the respective registration marks and generates the corresponding signals.
  • Fig. 3 shows the arrangement of the registration marks Pl and P2 and their distance A to each other. It is clear from this illustration that the registration marks, viewed in the running direction L of the printing sheet 7, are arranged in alignment one behind the other and are correspondingly detected by the respective web buttons 1, T 2 and T 3 .
  • the distance A can be minimized to 3-5 mm.
  • the distance A between two registration marks is resolved via a sensor, for example the rotary sensors 30, 31 and 32 shown in FIG. 1.
  • a counter is started by means of the leading edge V ⁇ of a first signal S1, which counter is stopped with the leading edge V 2 of the second signal S2 picked up by the respective path sensor.
  • the resulting counted number of pulses corresponds directly to the distance, or the distance A between the register marks (e.g. 5 pulses corresponds to 5 mm distance A), so that an immediate distance measurement can be carried out with the device according to the invention. If the determined distances deviate from the previously known actual distances between the registration marks, the respective register deviation can be determined.
  • FIGS. 5 and 6 For further explanation and disclosure of the device according to the invention, reference is made explicitly to FIGS. 5 and 6 below.
  • the distance between the marks in the device according to the invention corresponds to the distance in the printed image. These distances have to be measured.
  • a third gate (measuring gate) is used, which lies over both digital marks K1, K2. These signals are supplied for measuring the previously mentioned counter stage which carries out the explained immediate distance measurement.
  • the printing distance of the marks which corresponds to the target distance A, is then subtracted using suitable software.
  • the invention is thus embodied in addition to the determination device defined in the claims, also in a device for register control for multicolor printing in long-web web-fed rotary printing presses 2, which controls 1 with the central unit 22 for recording and storing all re ⁇ gel parameters and the control behavior and further comprises the scanning device 24 with a plurality of scanning heads and the actuators 16, 17 and 18 for regulating the longitudinal and / or lateral register, with only one single path scanner ⁇ for each measuring point and scanning head 25 to 27 , T and T 3 is provided in the manner described above.

Landscapes

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

Abstract

L'invention concerne un dispositif permettant de déterminer l'erreur de repérage entre des couleurs individuelles pendant l'impression polychrome effectuée sur une presse rotative à bande longue (2). Le dispositif de l'invention comprend un dispositif de balayage (24) dont chaque tête de balayage (25 à 27) ne dispose que d'un palpeur de bande (T1, T2, T3).
EP94905086A 1993-01-19 1994-01-19 Dispositif permettant de determiner l'erreur de reperage entre des couleurs individuelles pendant l'impression polychrome effectuee sur une presse rotative a bande longue Expired - Lifetime EP0637286B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4301272 1993-01-19
DE19934301272 DE4301272A1 (de) 1993-01-19 1993-01-19 Vorrichtung zur Bestimmung des Registerfehlers zwischen den einzelnen Farben beim Mehrfarbendruck in einer Langbahn-Rollenrotationsdruckmaschine
PCT/EP1994/000123 WO1994016893A1 (fr) 1993-01-19 1994-01-19 Dispositif permettant de determiner l'erreur de reperage entre des couleurs individuelles pendant l'impression polychrome effectuee sur une presse rotative a bande longue

Publications (2)

Publication Number Publication Date
EP0637286A1 true EP0637286A1 (fr) 1995-02-08
EP0637286B1 EP0637286B1 (fr) 1997-07-23

Family

ID=6478469

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94905086A Expired - Lifetime EP0637286B1 (fr) 1993-01-19 1994-01-19 Dispositif permettant de determiner l'erreur de reperage entre des couleurs individuelles pendant l'impression polychrome effectuee sur une presse rotative a bande longue

Country Status (5)

Country Link
EP (1) EP0637286B1 (fr)
JP (1) JP3454823B2 (fr)
DE (2) DE4301272A1 (fr)
ES (1) ES2106506T3 (fr)
WO (1) WO1994016893A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008059584A1 (de) 2008-11-28 2010-06-02 Eltromat Gmbh Verfahren und Vorrichtung zur Regelung des Registers in einer Druckmaschine
DE102017131210A1 (de) 2017-12-22 2019-06-27 Leonhard Kurz Stiftung & Co. Kg Verfahren und Vorrichtung

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847666B4 (de) * 1998-10-15 2005-10-20 Eltromat Gmbh Vorrichtung und Verfahren zur Registerregelung einer Druckmaschine beim Mehrfarbendruck
DE10261059B4 (de) * 2002-12-24 2006-04-13 Eltromat Gmbh Verfahren und Vorrichtung zum Messen und Regeln eines Längs- und Seitenregisters sowie einer Druckbild-Parallelität eines Druckregisters in einer Mehrfarbendruckmaschine
DE102006060212B4 (de) * 2006-12-18 2013-07-11 Windmöller & Hölscher Kg Druckmaschine zum Bedrucken von Bedruckstoffbahnen sowie Verfahren zur Einstellung und Aufrechterhaltung des Registers einer solchen Druckmaschine
DE102007049192B4 (de) 2007-10-13 2011-12-29 Windmöller & Hölscher Kg Vorrichtung und Verfahren zum Transport einer bedruckten Materialbahn
US8899463B2 (en) 2010-09-30 2014-12-02 Ethicon Endo-Surgery, Inc. Surgical staple cartridges supporting non-linearly arranged staples and surgical stapling instruments with common staple-forming pockets
EP2851207B1 (fr) 2013-07-25 2015-12-30 Oberthur Technologies Personnalisation de documents

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2643620A1 (de) * 1976-09-28 1978-03-30 Siemens Ag Verfahren zur erkennung einer passmarke fuer eine registerregelung und vorrichtung zur durchfuehrung des verfahrens
FR2451337A1 (fr) * 1979-03-14 1980-10-10 Isar Dispositif pour le guidage et/ou le positionnement automatiques, par detection de reperes imprimes, de bandes en cours de defilement
DE2930438C2 (de) * 1979-07-26 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Verfahren zum Voreinstellen des Registers bei Rollen-Rotations-Tiefdruckmaschinen
EP0095437A1 (fr) * 1982-05-17 1983-11-30 Asea Ab Dispositif pour le repérage de machines à imprimer
DE3524594A1 (de) * 1985-07-10 1987-01-15 Licentia Gmbh Verfahren und anordnung zur messung der relativen lage von farbmarkenimpulsen, bezugsimpulsen und austastsignalen fuer die registerregelung
JPS6239242A (ja) * 1985-08-14 1987-02-20 Komori Printing Mach Co Ltd 検出信号抽出用ゲ−トパルス発生回路
US5127324A (en) * 1990-11-06 1992-07-07 Heidelberg Harris Gmbh Adjustment apparatus with DC drive system for use in a printing press
DE4037728C1 (fr) * 1990-11-27 1992-06-25 Eltromat Gesellschaft Fuer Industrie-Elektronik Mbh, 4817 Leopoldshoehe, De

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9416893A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008059584A1 (de) 2008-11-28 2010-06-02 Eltromat Gmbh Verfahren und Vorrichtung zur Regelung des Registers in einer Druckmaschine
DE102008059584B4 (de) 2008-11-28 2021-11-18 BST eltromat International GmbH Verfahren und Vorrichtung zur Regelung des Registers in einer Druckmaschine
DE102017131210A1 (de) 2017-12-22 2019-06-27 Leonhard Kurz Stiftung & Co. Kg Verfahren und Vorrichtung

Also Published As

Publication number Publication date
JP3454823B2 (ja) 2003-10-06
ES2106506T3 (es) 1997-11-01
EP0637286B1 (fr) 1997-07-23
DE59403438D1 (de) 1997-08-28
WO1994016893A1 (fr) 1994-08-04
DE4301272A1 (de) 1994-07-21
JPH07505100A (ja) 1995-06-08

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