EP1249346B2 - Dispositif de repérage de l'image d'impression dans une machine d'impression flexographique - Google Patents

Dispositif de repérage de l'image d'impression dans une machine d'impression flexographique Download PDF

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Publication number
EP1249346B2
EP1249346B2 EP02005727A EP02005727A EP1249346B2 EP 1249346 B2 EP1249346 B2 EP 1249346B2 EP 02005727 A EP02005727 A EP 02005727A EP 02005727 A EP02005727 A EP 02005727A EP 1249346 B2 EP1249346 B2 EP 1249346B2
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EP
European Patent Office
Prior art keywords
printing
printed image
rolls
involved
intensity
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.)
Expired - Lifetime
Application number
EP02005727A
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German (de)
English (en)
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EP1249346A1 (fr
EP1249346B1 (fr
Inventor
Dietmar Pötter
Martin Krümpelmann
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Windmoeller and Hoelscher KG
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Windmoeller and Hoelscher KG
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Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Priority to EP05022128A priority Critical patent/EP1666252B1/fr
Publication of EP1249346A1 publication Critical patent/EP1249346A1/fr
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Publication of EP1249346B1 publication Critical patent/EP1249346B1/fr
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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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/20—Supports for bearings or supports for forme, offset, or impression 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
    • 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
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • B41F33/0045—Devices for scanning or checking the printed matter for quality control for automatically regulating the ink supply
    • 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
    • B41P2200/10—Relief printing
    • B41P2200/12—Flexographic printing
    • 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
    • B41P2200/30—Heliography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/70—Driving devices associated with particular installations or situations
    • B41P2213/73—Driving devices for multicolour presses
    • B41P2213/734—Driving devices for multicolour presses each printing unit being driven by its own electric motor, i.e. electric shaft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/45—Sensor for ink or dampening fluid thickness or density

Definitions

  • the invention relates to a method according to the preamble of claims 1 and 17. It should be noted that there is a need to adjust the print image by optimizing the relative position of the rollers involved in the inking and printing process in all areas of the rotary printing. Thus, in gravure printing machines, the position of the impression roller is set to the pressure roller. In flexographic printing machines, the impression cylinder, the pressure roller and the anilox roller must be adjusted to each other.
  • flexographic printing machines which are equipped with a pressure roller and an anilox roller, which are movable on at least one console of the printing press frame. These two rollers can be employed by their own actuators both independently of each other and together to the impression cylinder on which the printing material is applied.
  • the adjustment of the printed image in a known manner can be done as follows.
  • An electronic control device is provided which can access data entered into a memory device. The data relate to the travel between the pressure and the back pressure, taking into account the geometrical dimensions of the machine and the diameter of the rollers.
  • This control device then adjusts the relative roller positions so that it is ensured that all parts of the printed image are transferred.
  • This loading operation is performed by the print engine operator, who adjusts the roll positions while observing the print image.
  • the object of the invention is therefore to provide a method of the type described, which allow automatic adjustment of the printed image to the desired optimum quality.
  • the digitized desired shape of the printed image is stored in the memory unit. This desired shape is then (possibly in the control device) compared with the respective recorded print image. The control device then generates actuating signals for the actuators moving the rollers until the comparison yields the best match between the recorded print image and its stored desired shape.
  • Another embodiment of the invention does not require a stored in a memory digitized desired form.
  • the intensity of the reflected light does not change unless contact is made between all the rollers involved in the printing or inking process.
  • the ink transfer to the substrate and the intensity of the reflected begins Light changes relatively strong until an optimum value of the color transfer is reached.
  • a further approximation of the rollers then leads only to a smaller change in the intensity of the reflected light.
  • an optimum between ink transfer and contact pressure of the rollers is usually achieved against each other.
  • a further mutual approach of the rollers then only builds up pressure, which can lead to damage to the rollers, roller bearings, printing plates, materials to be printed, etc.
  • An improvement of this embodiment can be achieved if there is a difference between the intensity values of the printed substrate and the intensity values of the unprinted substrate.
  • the obtained difference values are called contrast values below. They can be used in a similar way as the intensity values.
  • the use of at least one color camera is recommended, so that light of selected wavelength ranges can be recorded.
  • This measure is suitable both to facilitate the comparison with a stored digitized desired form of the printed image and to carry out the course of the light intensity or the contrast values in an improved form.
  • Commercially available cameras of modern design usually have as photosensitive elements semiconductor devices that are sensitive to light of certain wavelengths, which is due to the photoelectric effect and its applications in the semiconductor field. It is expedient for a camera in this way to be able to assign electrical output values to color intensity values of several colors (eg red, yellow, blue). These values are then made accessible to a control and control unit.
  • the color intensity profile of different colors or even the entire spectrum of a printed image or even the sections of a printed image can be recorded.
  • the measured values are then used in the manner already described in order to set the suitable position of the pressure rollers.
  • Also for the individual colors can be done in the manner already described a contrast formation.
  • Light intensity values can also be converted into coordinate systems suitable for further evaluation. The same naturally applies to the contrast values.
  • These values derived in the last instance from intensity values and color values (wavelength / frequency) also have a characteristic course as a function of the relative position of the rollers and can be used in the manner already described.
  • the camera used is expediently a digital camera which supplies digitized images of the recorded print images.
  • the setting can be made separately for each printing unit.
  • a separate adjustment of the actuators for producing the parallelism of the various rollers may be provided if, due to an inclination of a roller over the length underschledliche Andschreibe arise.
  • flexographic printing would z. B. a separate adjustability of the actuators one side of the inking unit or the inking provide v. a . to ensure the parallelism of pressure and impression cylinder.
  • a measuring process is the observation of the course of the intensity or contrast values, while the welts involved in the printing process are adjusted to one another. If only one camera is used, it is possible to sequentially set several inking units of a machine, that is to perform a measuring operation during the setting of an inking unit.
  • a counter-pressure roller 3 provided with a drive is mounted in the usual way.
  • the side parts 1, 2 carry a printing unit console 4, on the guides in not shown, the bearing blocks 5 and 6 of a pressure roller 7 and an anilox roller 8 slidably guided in the direction of the double arrows A and B.
  • the mutually arranged bearing blocks 5, 6 are movable by individually controllable servo motors M1 to M4, in the catfish that each roller 7, 8 can be moved by itself and both in a fixed position to each other are moved together.
  • the printing machine frame 1, 2 is provided with further inking consoles, not shown, on which printing and anilox rollers 8 are moved in a corresponding manner, with only the single counterpressure roller 3 being provided for all printing cylinders.
  • the flexographic printing machine according to the invention can in principle be designed in the same way as in the case of its mechanical construction DE 29 41 521 A 1 .
  • the anilox roller 8 is provided with a conventional inking device, which preferably consists of a known color camera.
  • the pressure roller 7 is provided with printing on the web 17 Kilschees 9. In this case, a diamond pattern, which is easy to represent in the figure, is printed.
  • a diamond pattern which is easy to represent in the figure, is printed.
  • the running on the platen 3 in the direction of arrows C and D paper web 17 is printed with a printed image 10, which is shown for the sake of simplicity in the form of squares.
  • This print image 10 is recorded in the detection area 11 by the camera K, which feeds successively recorded images via the line 12 to the computer-equipped control unit 13.
  • data are entered via a special input device 14, which relate to the diameter of the pressure roller 7 and the thickness of the worn therefrom 9 clichés.
  • the desired form of the print image 10 to be printed is entered into the control and regulation unit 13.
  • the control and regulation unit 13 for example, in one embodiment, the printed images taken by the camera K are compared with the desired form of the printed image entered via the input unit 15, and the control and regulating unit 13 sends signals to an adjusting device 16 via lines according to the signals generated by the control unit 13, the servo motors M1 to M4 of the printing and anilox roller 7, 8 controls.
  • the settings are stored in a memory of the control unit, so that, if necessary, the optimal position of the printing and anilox rollers 7, 8 can be found again ,
  • FIG. 2 is constructed in matrix form.
  • the columns denoted by the capital letters A to C containsupplementarysbelplete, while the designated by the small letters a to e lines designate process steps of the individual principalsbeipiele.
  • the printing material that runs during the printing process between the pressure 7 and counter-pressure roller 6 and which in FIG. 1 the reference numeral 17 is assigned is in FIG. 2 not shown.
  • the “distance” by which it must be “overdriven” or the pressure that is necessary for this varies from printing process to printing process from millimeter fractions to millimeters. It is clear that in most printing processes flexible rollers, substrates or other flexible additional elements are used, which increase this distance. In this context, the clichés of flexographic printing or gravure impression are mentioned as examples. However, it is also worth noting that cylinders made of steel can usually be overpowered by simple means, which goes beyond the ovality of their mantle surface. This is the case in particular if the cylinders have rubberized lateral surfaces. Therefore, the mentioned overpressing can be used in various printing processes.
  • the pressure roller 7 is set against the counter-pressure roller 6 and over-pressed in the manner already described above.
  • the individual movement of the pressure roller 7 is represented by the arrow. This ensures that all zones of the plate (when colored) transfer color to the substrate.
  • the process step A b there is still no contact and thus no ink transfer to the pressure roller 7 and the substrate.
  • the next step c of the embodiment A is in approaching the anilox roller 8 to the platen 7 until all pixels on the substrate can be seen. This circumstance is verified in the manner already described with the help of at least one camera.
  • the process step A d shows how the two rollers 7 and 8 are moved away from the Gegendurckwalze, wherein the set relative position between the anilox roller B and the pressure roller 7 is maintained.
  • the two rollers are moved back to the counter-pressure roller until all pixels are again present on the Betikuckstoff, which is verified again with the help of the camera. The process is completed, the print image optimized and the actual production process can begin.
  • the line a is the Kirbystend, in which the three rollers involved, 7, 8 are not yet employed against each other.
  • the anilox roller 8 is set against the pressure roller 7 and over-pressed in the manner already described above. This ensures that all zones of the cliché are completely colored.
  • the next step c ofchiefsbeipiels B consists in approaching the package of anilox roller 8 and pressure roller 7 to the platen roller 3 to all pixels on the substrate can be seen. This circumstance is verified in the manner already described with the help of at least one camera. Since a permanent suppression of the set in step b to each other rollers 7 and 8 is undesirable, now carried out the process steps B d and B e.
  • the process step B d shows how the roller 8 is moved away from the pressure roller 7, whereby the set relative position between the pressure roller 7 and the counter-pressure roller 3 is maintained.
  • the two wafers are brought together again until all image elements are present on the printing material, which is verified again with the aid of the camera.
  • the pressure roller 7 and the anilox roller 8 are made common to the counter-pressure roller 3 wherein all three rollers involved 3, 7, 8 are suppressed from each other.
  • the pair of rollers consisting of printing roller 7 and anilox roller 8 are then driven together by the counterpressure roller, whereby the suppression between the rollers of the roller pair remains.
  • the roller pair is adjusted to the counterpressure roller until all image elements are transferred to the printing material.
  • the anilox roller 8 is moved away from the pressure roller, there is at least no complete color transfer instead. The retraction of the anilox roller 8 to the pressure roller 7 shown in the method step C1 f takes place again until the printed image is imaged without loss of area.
  • the embodiment according to Fig. 2C2 differs in the steps c to e of the embodiment Fig. 2C1 in that in step c, the anilox roller 8 of the In overpressed position pressed against the counter-pressure roller 7 pressure roller is moved from its over-pressed position relative to the pressure roller in the direction of the arrow. Subsequently, the anilox roller 8 is brought in step d in their optimal employment of the pressure roller and in steps e and f, the common departure of pressure roller and anilox roller from the platen roller and the hiring done by the control unit in a form to the platen roller, which ensures that the print image is imaged without loss of area.
  • FIG. 3 schematically illustrates how the printed image 10, which is included in the rectangle 20, can be decomposed into different sections 18.
  • FIG. 4 shows the contrast curve k i of the sections 18a and 18b, which is plotted as a function of the position of the rollers relative to each other x.
  • the resulting characteristics 19 a and 19 b are assigned to the sections 18 a and 18 b. It immediately becomes clear that both characteristics have largely the same shape. The fact that both characteristics have almost identical maxima. However, due to the fact that the contrast values were normalized in this embodiment.
  • Such standardization may be performed, for example, with respect to average values of multiple sections 18.
  • the course of the two characteristic curves is offset relative to the roll position, since the rolls involved in the printing process, clichés, etc., as already mentioned several tolerances, which in this case cause the portion 18 a "earlier" is completely printed, as the portion 18 b ,
  • the portion 18a is already completely printed when the area 21a of the characteristic 19a is reached.
  • Both sections 19 a, b are printed when the portion 21 b of the curve 18 b is reached Similarly, when the ninth characteristic area 21n is reached, where n is a selected number of image portions, the setting operation of the printing rollers can be terminated.
  • the fact that the regions 21 of the characteristic curves 19 lie behind the second inflection point of the characteristic curves 19 in the exemplary embodiment shown does not mean that this always has to be the case. Rather, the characteristics shown have several areas, the course is so characteristic that an evaluation device can easily recognize when the characteristics 19 has reached a selected number of image sections 18 such a range.
  • the definition of this range is therefore a measure that depends on a number of parameters (print quality to be achieved, substrate, printing process, etc.) and can be performed as needed.
  • the consideration of the characteristics of FIG. 4 also makes it easier to understand that all methods according to the invention also work if the wheat involved in the printing process are initially over-pressed against one another and then the rolls are driven apart from each other (the mechanical contact nevertheless remains).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Image Analysis (AREA)
  • Printing Methods (AREA)

Claims (15)

  1. Procédé de réglage de l'image d'impression d'une presse de flexographie par le réglage de la position relative des rouleaux (3, 7, 8) participant au transfert de l'encre,
    où au moins une partie de ces rouleaux (7, 8) sont déplacés par des commandes de positionnement propres (M1 à M4) à la fois conjointement et aussi indépendamment les uns contre les autres de sorte que les rouleaux (3, 7, 8) participant au processus d'impression peuvent être serrés les uns contre les autres,
    caractérisé
    en ce qu'au moins une caméra (K) prenant l'image d'impression (10) sur la bande de tissu d'impression (17) transmet des images prises successivement à une unité de commande et de réglage électronique (13),
    en ce que l'unité de commande et de réglage évalue les images de l'image d'impression ou les images de parties de l'image d'impression,
    ce faisant vérifie si le transfert de l'encre dans les images de l'image d'impression est sans perte de surface,
    et en ce que l'unité de commande et de réglage (13) produit pour les commandes de positionnement au moins d'une partie des rouleaux (3, 7, 8) participant au processus d'impression et de coloration des signaux aussi longtemps que ou que l'image d'impression est représentée sans perte de surface,
    en ce que pendant le processus de mise à disposition des rouleaux (3, 7, 8) participant au processus d'impression, il se produit au moins une surpression entre au moins deux rouleaux (3, 7, 8), pour garantir un transfert de l'encre sur toute la surface.
  2. Procédé selon la revendication 1, caractérisé en ce qu'un programme de commande est prévu, qui connaît les dimensions géométriques des rouleaux (3, 7, 8) participant au processus d'impression et de coloration respectivement leurs positions relatives pouvant être déduites de ces dimensions, et lequel règle tout d'abord la position de ces rouleaux (3, 7, 8) les uns relativement aux autres par des signaux aux commandes de positionnement et
    en ce que la caméra transmet ensuite les images prises successivement à une unité de commande et de réglage électronique (13), et
    en ce que l'unité de commande et de réglage produit ensuite pour les commandes de positionnement au moins d'une partie des rouleaux (3, 7, 8) participant au processus d'impression et de coloration des signaux jusqu'à ce que ou que l'image d'impression (10) soit représentée sans perte de surface.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, dans une unité de stockage, la forme de consigne numérisée de l'image d'impression est stockée,
    en ce que dans une unité de comparaison de l'unité de commande et de réglage (13), l'image d'impression respectivement prise est comparée à la forme de consigne et
    en ce que l'unité de commande et de réglage (13) produit pour les commandes de positionnement des rouleaux participant au processus d'impression ou de coloration des signaux aussi longtemps jusqu'à ce que ou que la comparaison produise la meilleure coïncidence entre l'image d'impression prise et la forme de consigne stockée.
  4. Procédé selon la revendication 1 ou 2, caractérisé en ce qu'une unité d'évaluation ou de calcul (13) met l'intensité de la lumière réfléchie de différentes sections (18) de l'image d'impression en relation avec les positions des rouleaux, où pour des sections différentes de l'image d'impression, un tracé d'intensité similaire, typique d'un procédé d'impression est à observer, et
    en ce que l'unité de commande et de réglage (13) produit pour les commandes de positionnement (M1, M2, M3, M4) des rouleaux (3, 7, 8) participant au processus d'impression ou de coloration des signaux aussi longtemps jusqu'à ce qu'une part prédéterminée des différentes sections (18) de l'image d'impression (10) présente un tracé d'intensité déterminé (19) respectivement a présenté ce tracé.
  5. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'intensité de la lumière réfléchie de différentes sections (18) de l'image d'impression (10) est déduite de l'intensité de la lumière réfléchie par le tissu d'impression (17) non imprimé et
    en ce qu'une unité d'évaluation ou de calcul (13) met ces valeurs de différence ou de contraste (ki) des sections de l'image d'impression en relation avec les positions relatives des rouleaux, où pour des sections différentes de l'image d'impression, un tracés d'intensité ou tracé de valeurs de contraste (19) similaire, typique d'un procédé d'impression, est à observer, et
    en ce que l'unité de commande et de réglage (13) produit pour les commandes de positionnement (M1, M2, M3, M4) des rouleaux (3, 7, 8) participant au processus d'impression ou de coloration des signaux aussi longtemps jusqu'à ce qu'une part prédéterminée des différentes sections (18) de l'image d'impression présente respectivement a présenté un tracé d'intensité déterminé ou tracé de valeurs de contraste (19).
  6. Procédé selon la revendication 3, 4 ou 5, caractérisé en ce que l'enregistrement de l'image d'impression (10) ou au moins de parties de celle-ci (10) est prévu avec au moins une caméra couleur (K) pour l'enregistrement.
  7. Procédé selon la revendication 6, se référant à la revendication 4 ou 5, caractérisé en ce que le tracé d'intensité de lumière ou le tracé de valeurs de contraste d'une couleur est mis par une unité de calcul en rapport avec les positions des rouleaux et en ce que l'unité de commande et de réglage (13) produit pour les commandes de positionnement (M1, M2, M3, M4) des rouleaux (3, 7, 8) participant au processus d'impression ou de coloration des signaux aussi longtemps jusqu'à ce qu'une part prédéterminée des différentes sections de l'image d'impression (10) présente respectivement a présenté un tracé d'intensité de couleur déterminé (19).
  8. Procédé selon la revendication 7, se reportant à la revendication 4 ou 5, caractérisé en ce que les valeurs d'intensité de lumière ou les valeurs de contraste (19) de plusieurs couleurs sont enregistrées par une unité de commande et de réglage et
    en ce qu'une unité de calcul transmet ces valeurs à un autre système de coordonnées qui est basé sur les coordonnées dérivées des valeurs d'intensité de lumière ou des valeurs de contraste (19) et en ce qu'au moins une sélection de ces coordonnées est mise en rapport avec les positions relatives des rouleaux et
    en ce que l'unité de commande et de réglage (13) produit pour les commandes de positionnement (M1, M2, M3, M4) des rouleaux (3, 7, 8) participant au processus d'impression ou de coloration des signaux aussi longtemps jusqu'à ce qu'une part prédéterminée des différentes sections (18) de l'image d'impression (10) présente respectivement a présenté un tracé de coordonnées déterminé.
  9. Procédé selon l'une des revendications 4, 5, 7 et 8, caractérisé en ce que les valeurs (ki) obtenues à partir de l'intensité de lumière ou de couleur de la lumière réfléchie de l'image d'impression sont normalisées.
  10. Procédé selon l'une des revendications 4, 5, 7, 8 et 9, caractérisé en ce que les valeurs (ki) obtenues à partir de l'intensité de lumière ou de couleur de la lumière réfléchie de l'image d'impression sont portées sur la position des rouleaux (3, 7, 8) participant au processus d'impression ou de coloration et sont rendues visibles sur une console ou un écran.
  11. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que dans le cas de plusieurs groupes imprimeurs, le réglage pour chaque groupe imprimeur a lieu sur la base d'opérations de mesure séparées.
  12. Procédé selon l'une des revendications 1 à 10, caractérisé en ce que le réglage de plusieurs groupes imprimeurs a lieu sur la base d'une opération de mesure.
  13. Procédé selon l'une des revendications 1 à 12, caractérisé en ce que les réglages géométriques des rouleaux (3, 7, 8) les uns relativement aux autres, pour lesquels la meilleure coïncidence entre l'image d'impression prise (10) et la forme de consigne de l'image d'impression a été constatée
    et/ou jusqu'à ce qu'une part prédéterminée des différentes sections (3, 7, 8) de l'image d'impression présente ou ait présenté un tracé d'intensité ou de contraste déterminé, sont stockés dans un dispositif de stockage.
  14. Procédé de réglage de l'image d'impression d'une presse rotative à imprimer selon la revendication 1, caractérisé en ce que la pression d'application, qui règne entre les rouleaux (3, 7, 8) participant à la surpression, est de nouveau abaissée et que la surpression est supprimée.
  15. Procédé de réglage de l'image d'impression d'une presse rotative à imprimer selon la revendication 14, caractérisé en ce que les rouleaux (3, 7, 8) après que la pression d'application a été abaissée, sont de nouveau rapprochés, où la pression d'application augmente de nouveau.
EP02005727A 2001-03-27 2002-03-13 Dispositif de repérage de l'image d'impression dans une machine d'impression flexographique Expired - Lifetime EP1249346B2 (fr)

Priority Applications (1)

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EP05022128A EP1666252B1 (fr) 2001-03-27 2002-03-13 Dispositif et procédé de réglage de l'image d'impression dans une machine d'impression flexographique

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DE10115134 2001-03-27
DE10115134 2001-03-27
DE10145957.2A DE10145957B4 (de) 2001-03-27 2001-09-18 Vorrichtung und Verfahren zur Einstellung des Druckbildes in einer Flexodruckmaschine
DE10145957 2001-09-23

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EP05022128A Division EP1666252B1 (fr) 2001-03-27 2002-03-13 Dispositif et procédé de réglage de l'image d'impression dans une machine d'impression flexographique
EP05022128.2 Division-Into 2005-10-11

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EP1249346A1 EP1249346A1 (fr) 2002-10-16
EP1249346B1 EP1249346B1 (fr) 2005-10-12
EP1249346B2 true EP1249346B2 (fr) 2013-03-06

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EP05022128A Expired - Lifetime EP1666252B1 (fr) 2001-03-27 2002-03-13 Dispositif et procédé de réglage de l'image d'impression dans une machine d'impression flexographique

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US (1) US6634297B2 (fr)
EP (2) EP1249346B2 (fr)
JP (2) JP4363819B2 (fr)
AT (1) ATE306395T1 (fr)
CA (1) CA2379013C (fr)
DE (3) DE10145957B4 (fr)
ES (2) ES2386548T3 (fr)

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Also Published As

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US6634297B2 (en) 2003-10-21
ATE306395T1 (de) 2005-10-15
CA2379013C (fr) 2010-05-25
DE10145957B4 (de) 2014-09-25
JP2002355951A (ja) 2002-12-10
EP1666252A3 (fr) 2009-10-21
DE50204501D1 (de) 2006-02-23
DE20122584U1 (de) 2006-07-27
EP1249346A1 (fr) 2002-10-16
ES2232327T3 (es) 2006-03-16
JP4363819B2 (ja) 2009-11-11
ES2232327T1 (es) 2005-06-01
CA2379013A1 (fr) 2002-09-27
ES2386548T3 (es) 2012-08-22
EP1249346B1 (fr) 2005-10-12
ES2232327T5 (es) 2013-04-17
US20030005840A1 (en) 2003-01-09
JP2009179067A (ja) 2009-08-13
EP1666252A2 (fr) 2006-06-07
DE10145957A1 (de) 2002-10-17
EP1666252B1 (fr) 2012-06-13

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