EP0806294B1 - Procédé et dispositif pour le réglage du registre circonférentiel dans une presse rotative comprenant un cylindre porte-cliché muni d'un manchon porte-cliché - Google Patents

Procédé et dispositif pour le réglage du registre circonférentiel dans une presse rotative comprenant un cylindre porte-cliché muni d'un manchon porte-cliché Download PDF

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Publication number
EP0806294B1
EP0806294B1 EP97107129A EP97107129A EP0806294B1 EP 0806294 B1 EP0806294 B1 EP 0806294B1 EP 97107129 A EP97107129 A EP 97107129A EP 97107129 A EP97107129 A EP 97107129A EP 0806294 B1 EP0806294 B1 EP 0806294B1
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Prior art keywords
speed
sleeve
plate
detector
cylinder
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Expired - Lifetime
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EP97107129A
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German (de)
English (en)
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EP0806294A3 (fr
EP0806294A2 (fr
Inventor
James Brian Vrotacoe
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Heidelberger Druckmaschinen AG
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Heidelberger Druckmaschinen AG
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    • 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
    • B41F13/14—Registering devices with means for displacing the cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines

Definitions

  • the present invention relates to a method and an apparatus according to the The preamble of claims 1 and 11.
  • Printing presses include mechanisms for setting the circumferential register of a Cylinder relative to another cylinder of the printing press.
  • Rotary printing presses are usually such adjustments on one Plate cylinder made to the position of the plate cylinder relative to the assigned blanket cylinder set in the circumferential direction, the Blanket cylinder z. B. on a common drive shaft by the engine of the Main drive of the printing press is driven.
  • This adjustment is guaranteed by blanket-printing perfecting machines in the circumferential direction, an exact registration of the on both sides of the web printed images.
  • This setting is guaranteed in multicolour printing machines of the circumferential register the correctness of the register in a printing unit with a first color and printed images with a second color in a further printing unit.
  • each plate cylinder by a helical toothing or a helical gear that on the The pivot of the plate cylinder is axially movable.
  • a device is e.g. B. in U.S. Patent No. 4,709,634.
  • the device of the US patent allows No. 4,709,634 further a side register adjustment of the plate cylinder.
  • the axial movement of the helical gear on the pivot of the plate cylinder is limited, the angle of rotation of the plate cylinder is also limited. So that can Circumference registers can only be set within a limited range.
  • a speed difference between the speed of the sleeve-shaped pressure plate and the speed of the Printing machine determines and the speed of the sleeve-shaped printing plate supporting plate cylinder body changed in such a way that the Speed difference is reduced.
  • the Speed of the sleeve-shaped pressure plate by detection on the sleeve-shaped printing plate formed marks, such as register marks performed, the detection of the register marks on the sleeve-shaped printing plate preferably done optically. It can also be provided that the speed the sleeve-shaped pressure plate by measuring a time difference between two successive detections of a register mark is made indirectly.
  • the speed of the Printing machine preferably by an angle encoder or rotary encoder determined, for example with one assigned to the plate cylinder Blanket cylinder can be connected.
  • the detection of the register marks on the body of the blanket cylinder advantageously done optically and z.
  • indirectly by measuring a time difference between two successive detections of the registration mark on the body of the Blanket cylinder is carried out indirectly.
  • the Speed of the sleeve-shaped pressure plate by differentiation of a measured one Position signal take place.
  • the invention also has a device for adjusting a Circumferential register in a web-fed rotary printing press with a sleeve-shaped one Printing plate on a plate cylinder body carrying plate cylinder a first Detector for detecting the speed of the sleeve-shaped pressure plate, one second detector for detecting the speed of the printing press and one Speed control device that measures the speed of the sleeve Pressure plate-bearing plate cylinder body depending on the Speed difference between that by the first detector and the second Detector controls detected speeds in such a way that the Speed difference is reduced or minimized.
  • the first detector can be an optical detector, for example, which is one on the sleeve-shaped pressure plate arranged detected and for example the Speed of the sleeve-shaped pressure plate indirectly by measuring the time difference between two consecutive detections of the mark.
  • the second detector is an angle encoder or rotary encoder, the with the body of a blanket cylinder associated with the plate cylinder is connected.
  • the second detector can be a Be detector, on a blanket cylinder assigned to the plate cylinder formed marks detected, the marks on the blanket cylinder can advantageously be scanned optically and the second detector Speed of the printing press, for example, indirectly by measuring one Time difference between two consecutive detections of the marks on the Blanket cylinder determined.
  • the Speed control device connected to the plate cylinder speed-adjustable adjustment gear.
  • the speed control device Has individual drives that the plate cylinder and / or the associated Drive the blanket cylinder separately.
  • the inventive method and the inventive device have the Advantage of the fact that the setting of the Circumference register can be executed continuously. It is another advantage of present invention that the setting of the circumferential register is not on a certain angular range is limited. In addition, the invention The circumferential register setting is carried out automatically and does not require any additional Actions of the operator.
  • the printing unit 1 shown in Fig. 1 comprises a housing 2, in which a Blanket cylinder 4 and an associated plate cylinder 6 with their two-sided Pivots are rotatably received in the respective bearings.
  • a further cylinder 8 can be rotatably supported under the blanket cylinder 4.
  • the Cylinder 8 can either be a pressure cylinder, or in the case of a nice and Printing machine with rubber-to-rubber printing units, a second Be blanket cylinder which is assigned to a plate cylinder, not shown.
  • the Plate cylinder 6 has a plate cylinder body 10 on which one sleeve-shaped pressure plate 12 is attached.
  • the pressure plate 12 may e.g. B.
  • the pressure plate can be formed from a seamless tube to which the print image is subsequently transferred.
  • the sleeve-shaped pressure plate 12 - hereinafter also called the pressure plate sleeve - is applied to and held by the plate cylinder body 10 by the Pressure plate 12 laterally through a in the left side wall 2a of the housing 2 of the Printing unit formed opening 14 is moved to the plate cylinder body 10.
  • the plate cylinder 6 in the right side wall 2b of the housing 2 of the printing unit overhung, as this z. Described in U.S. Patent No. 4,913,048.
  • To be safe and precise To attach the pressure plate to the plate cylinder body 10 is to ensure Inner diameter of the printing plate sleeve 12 is slightly smaller than the outer diameter of the plate cylinder body 10.
  • This dynamic Register adjustment system 20 comprises a speed-adjustable adjustment gear 22, which, for example, can be a so-called "harmonic drive", how it z.
  • the speed controllable Adjustment gear 22 drives the drive shaft or the pivot 24 des Plate cylinder 6 with a shaft 26, with which in turn a helical tooth Drive wheel or plate cylinder gear 28 is axially rotatably connected.
  • the speed controllable Adjustment gear 22 ensures a slight speed difference between the Shaft 26 and the drive shaft 24 of the plate cylinder 6 and enables a very fine and precise adjustment of this speed difference.
  • the adjustment gear 22 can by an electric motor, e.g. B. a stepper motor 30, the shaft generator 32 of the Adjustment gear 22, z. B. over a extending through the center of the shaft 26 Shaft 34 rotates, or another known motor drive can be operated. If the shaft 34 is rotated, the adjustment gear 22 generates a speed difference between the shaft 26 and the drive shaft or the pivot 24 of the Plate cylinder 6, so that the plate cylinder body 10 with respect to Machine speed driven shaft 26 with a slightly higher Speed is driven.
  • the shaft 26 is through the Plate cylinder gear 28, which meshes with the blanket cylinder gear 36, driven, the blanket cylinder gear 36, by the main drive 38 of the Printing machine z. B. is driven at machine speed.
  • the dynamic includes Register setting system 20, a central control device 40, the speed and controls the direction of rotation of the stepper motor 30.
  • the central control device 40 is also electrically connected to a first detector 42 located on the surface of the Pressure plate sleeve 12 may be attached.
  • the first detector 42 is preferably a optical sensor, the brands such. B. on the side of a printing plate to the usual static circumferential and / or page register setting provided register marks, scans.
  • the detector 42 is not limited to scanning register marks, but can in the same way be a detector for scanning a certain area within the printed image recorded on the printing plate or else an electrical, magnetically or mechanically operated sensor.
  • the second detector 44 for measuring the speed of the printing press connected to the central control device 40.
  • the second detector 44 can e.g. B. a conventional rotary encoder or encoder which is connected to the drive shaft 46 or the pivot of the blanket cylinder 4 is connected and that of the central Control device 40 supplies a signal which corresponds to the speed of the printing press or corresponds to the printing unit 1.
  • An encoder can e.g. B. when using a continuous sleeve-shaped rubber blanket can be used, as in the US patent No. 5,429,048.
  • the sleeve-shaped rubber blanket is placed on the Blanket cylinder body applied in the same way as that Printing plate sleeve 12 is applied to the plate cylinder body 10. So hikes during operation of the printing press, the sleeve-shaped rubber blanket also on the Blanket cylinder body.
  • the second detector 44 can also be an optical detector that in the same way as the first detector 42 provided on the blanket cylinder 4 Brands optically scanned.
  • the second detector 44 z. B. also on the main machine drive, on another Printing unit, on the central drive shaft of the machine or on another possible Point where the machine speed can be measured can be provided.
  • the second detector 44 is not limited to an optical sensor, but can also be an be electrically, magnetically or mechanically operated or other suitable sensor.
  • the first and second detectors 42, 44 generate corresponding first and second signals, which each the speed of the printing plate sleeve 12 and the speed of the Printing machine or the printing unit 1 correspond.
  • the first and the second signal are evaluated by the central control device 40.
  • the central one Control device 40 generates a control signal for stepper motor 30 speed-adjustable adjusting gear 22 on the basis of Speed difference between that measured by the first detector 42 Speed of the printing plate sleeve 12 and that of the second detector 44 measured speed of the printing press.
  • the central control device 40 controls the stepper motor 30 in such a way that the adjusting gear 22 has a slight Over speed of the plate cylinder body 10 produced and the Speed difference between the 'measured by the first detector 42 Speed of the printing plate sleeve 12 and that of the second detector 44 minimized measured speed of the printing press and / or reduced to zero becomes.
  • Those for the central control device 40 and the first and second detectors 42, 44 Hardware used can e.g. B. a commercially available register control system to control the dynamic range and page register in one Web rotary printing press.
  • Such a system is e.g. B. from Web Printing Controls Co., Inc., 23872 N. Kelsey Road, Lake Barrington, Illinois 60010-1653, U.S.A., manufactured and distributed and is in the printing machines manufactured by the applicant of the M3000 series.
  • the control system of the above. Manufacturer is in one of Web Printing Controls distributed manual entitled "Micro Track CCR" (January 1990).
  • a commonly used static girth and page register adjustment system can also be used to control the static circumference and page register independently of the dynamic range register setting mentioned above may be provided, e.g. B. the system described in U.S. Patent No. 4,709,634.
  • Fig. 1 is the static circumferential register setting of the Plate cylinder 6 represented by a double arrow 48 to the static Circumferential register adjustment of the plate cylinder 6 by axial movement of the helical gear 28 on the shaft 26, which with respect to the drive shaft 46 of the Blanket cylinder 4 is rotated to indicate schematically.
  • the speed signals generated by the first and second detectors 42, 44 can be signals that correspond to a surface speed, e.g. B. the Surface speed of the printing plate sleeve 12 and / or the Blanket cylinder 4 correspond and / or can be signals that one Angular velocity, e.g. B. the angular velocity of the shaft 46 of the Blanket cylinder 4, correspond and / or can be signals that a temporal Difference between two successive scans of a mark on the Corresponding printing plate sleeve 12 or on the blanket cylinder 4.
  • Speed signals are obvious to those skilled in the art.
  • the signals can e.g. B. also by measuring and differentiating relative Positions of locations or marks on the printing plate sleeve 12 and an associated one Reference point or brand (e.g. on a drive shaft or a blanket cylinder) be preserved. In this case, the two digits or stamps on each Rotation of the cylinders held in the same position that the Speed as described above is changed and adjusted.
  • the dynamic register setting can either be in the above described way or by a direct control of the relative speed of the motors are running. So a dynamic setting of the register can be achieved, for example, in that the individual drive motor of the plate cylinder 6 or the plate cylinder is controlled via the central control device 40. In this A speed-adjustable adjusting gear 22 is not necessary. The gears 28 and 36 are then also not required.

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

Claims (19)

  1. Procédé pour régler le repérage circonférentiel dans une machine à imprimer rotative à bobines comprenant un cylindre porte-plaque (6) qui porte une plaque d'impression (12) en forme de manchon sur un corps (10) de cylindre porte-plaque, caractérisé par les étapes de procédé suivantes
    déterminer une différence de vitesse entre la vitesse de la plaque d'impression (12) en forme de manchon et la vitesse de la machine à imprimer, et modifier la vitesse du corps (10) du cylindre porte-plaque, qui porte la plaque d'impression (12) en forme de manchon de telle manière que la différence de vitesse soit réduite.
  2. Procédé selon la revendication 1, caractérisé en ce que la vitesse de la plaque d'impression (12) en forme de manchon s'effectue par détection de marques de repérage formées sur la plaque d'impression (12) en forme de manchon.
  3. Procédé selon la revendication 2, caractérisé en ce que la détection des marques de repérage sur la plaque d'impression (12) en forme de manchon est exécutée par voie optique.
  4. Procédé selon la revendication 2, caractérisé en ce que la vitesse de la plaque d'impression (12) en forme de manchon s'effectue par mesure du différence de temps entre deux détections successives d'une marque de repérage.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que la vitesse de la machine à imprimer est déterminée par un encodeur d'angle.
  6. Procédé selon la revendication 5, caractérisé en ce que l'encodeur d'angle est lié à un cylindre porte-blanchet (4) associé au cylindre porte-plaque (6).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que la vitesse de la machine à imprimer est déterminée par détection de marques de repérage qui sont formées sur le corps d'un cylindre porte-blanchet (4) associé au cylindre porte-plaque (6).
  8. Procédé selon la revendication 7, caractérisé en ce que la détection des marques de repérage sur le corps du cylindre porte-blanchet (4) s'effectue par voie optique.
  9. Procédé selon la revendication 7, caractérisé en ce que la détermination de la vitesse de la machine à imprimer s'effectue par mesure d'une différence de temps entre deux détections successives de la marque de repérage présente sur le corps du cylindre porte-blanchet (4).
  10. Procédé selon la revendication 1, caractérisé en ce que la vitesse de la plaque d'impression (12) en forme de manchon est obtenue par différenciation d'un signal de position mesuré.
  11. Dispositif pour le réglage d'un repérage circonférentiel dans une machine à imprimer rotative à bobines comprenant un cylindre porte-plaque (6) qui porte une plaque d'impression (12) en forme de manchon sur un corps (10) de cylindre porte-plaque, caractérisé par :
    Figure 00220001
    un premier détecteur (42) destiné à détecter la vitesse de la plaque d'impression (12) en forme de manchon ;
    un deuxième détecteur (44) destiné à détecter la vitesse de la machine à imprimer ; ainsi que
    un dispositif (40) de commande de la vitesse, qui commande la vitesse du corps (10) du cylindre porte-plaque qui porte la plaque d'impression (12) en forme de manchon en fonction de la différence de vitesse entre les vitesses détectées par le premier détecteur (42) et par le deuxième détecteur (44), de manière ce que la différence de vitesse soit réduite.
  12. Dispositif selon la revendication 11, caractérisé en ce que le premier détecteur (42) est un détecteur optique qui détecte une marque disposée sur la plaque d'impression (12) en forme de manchon.
  13. Dispositif selon la revendication 11, caractérisé en ce que le premier détecteur (42) détermine indirectement la vitesse de la plaque d'impression (12) en forme de manchon, indirectement, par mesure de la différence de temps entre deux détections successives de la marque.
  14. Dispositif selon l'une des revendications 11 à 13, caractérisé en ce que le deuxième détecteur (44) est un encodeur d'angle qui est lié au corps d'un cylindre porte-blanchet (4) associé au cylindre porte-plaque (6).
  15. Dispositif selon l'une des revendications 11 à 14, caractérisé en ce que le deuxième détecteur (44) est un détecteur qui détecte des marques formées sur un cylindre porte-blanchet (4) associé au cylindre porte-plaque (6).
  16. Dispositif selon la revendication 15, caractérisé en ce que les marques présentes sur le cylindre porte-blanchet (4) sont détectées par voie optique.
  17. Dispositif selon la revendication 15, caractérisé en ce que le deuxième détecteur (44) détermine indirectement la vitesse de la machine à imprimer par mesure d'une différence de temps entre deux détections successives des marques présentes sur le cylindre porte-blanchet (4).
  18. Dispositif selon l'une des revendications 11 à 17, caractérisé en ce que le dispositif (40) de commande de la vitesse comprend un mécanisme de réglage (22) réglable en vitesse lié au cylindre porte-plaque (6).
  19. Dispositif selon la revendication 11 à 18, caractérisé en ce que le dispositif (40) de commande de la vitesse comprend des entraínements individuels qui entraínent séparément le cylindre porte-plaque (6) et/ou le cylindre porte-blanchet (4) qui lui est associé.
EP97107129A 1996-05-07 1997-04-30 Procédé et dispositif pour le réglage du registre circonférentiel dans une presse rotative comprenant un cylindre porte-cliché muni d'un manchon porte-cliché Expired - Lifetime EP0806294B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US646077 1996-05-07
US08/646,077 US6293194B1 (en) 1996-05-07 1996-05-07 Method and apparatus for adjusting the circumferential register in a web-fed rotary printing press having a plate cylinder with a sleeve-shaped printing plate

Publications (3)

Publication Number Publication Date
EP0806294A2 EP0806294A2 (fr) 1997-11-12
EP0806294A3 EP0806294A3 (fr) 1998-05-13
EP0806294B1 true EP0806294B1 (fr) 2001-07-11

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US (1) US6293194B1 (fr)
EP (1) EP0806294B1 (fr)
JP (1) JPH1044380A (fr)
DE (1) DE59703993D1 (fr)

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DE10118759A1 (de) * 2001-04-17 2002-11-07 Koenig & Bauer Ag Verfahren und Vorrichtung zur Registerregelung
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JP4276010B2 (ja) * 2003-07-24 2009-06-10 株式会社小森コーポレーション 印刷機における駆動装置
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US7963225B2 (en) * 2005-05-04 2011-06-21 Koenig & Bauer Aktiengesellschaft Method for controlling and/or adjusting a register in a printing machine and a device for controlling and/or adjusting a circumferential register
DE102006018462B4 (de) * 2005-05-04 2010-07-08 Koenig & Bauer Aktiengesellschaft Verfahren zum Steuern und/oder Regeln eines Registers in einer Druckmaschine
DE102005053162A1 (de) * 2005-11-08 2007-05-10 Man Roland Druckmaschinen Ag Druckmaschine und Verfahren zum Betreiben derselben
DE102008009203B4 (de) 2007-03-02 2019-04-25 Heidelberger Druckmaschinen Ag Druckmaschine mit verstellbaren Schmitzringen und Verfahren zum aktiven Gegeneinanderverdrehen von Zylinderpaaren
JP2008213366A (ja) * 2007-03-06 2008-09-18 Ryobi Ltd 印刷機におけるカラーバーの色濃度測定方法及び印刷機におけるカラーバーの色濃度測定装置並びに色濃度測定装置を備えた印刷機
DE102007034835A1 (de) * 2007-07-26 2009-01-29 Robert Bosch Gmbh Verfahren zum Betreiben einer wellenlosen Druckmaschine und wellenlose Druckmaschine
KR100953475B1 (ko) * 2008-02-19 2010-04-16 건국대학교 산학협력단 전자소자 연속공정 롤투롤 인쇄를 위한 초정밀 레지스터제어 방법
JP6128372B2 (ja) * 2013-02-13 2017-05-17 大日本印刷株式会社 印刷機および印刷方法
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DE10320205A1 (de) * 2003-05-07 2004-12-09 Windmöller & Hölscher Kg Mehrfarben-Rotationsdruckmaschine
US7748318B2 (en) 2003-05-07 2010-07-06 Windmoeller & Hoelscher Kg Polychrome rotary press
DE10320205B4 (de) * 2003-05-07 2015-12-17 Windmöller & Hölscher Kg Mehrfarben-Rotationsdruckmaschine

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EP0806294A3 (fr) 1998-05-13
JPH1044380A (ja) 1998-02-17
DE59703993D1 (de) 2001-08-16
US6293194B1 (en) 2001-09-25
EP0806294A2 (fr) 1997-11-12

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