WO2010146040A1 - Appareil pour vérifier des paramètres géométriques d'ensembles d'impression constitués par des plaques d'impression flexographiques montées sur des rouleaux respectifs, par des plaques d'impression flexographiques montées sur des manchons de support de plaque d'impression respectifs et par des rouleaux/manchons d'encrage - Google Patents

Appareil pour vérifier des paramètres géométriques d'ensembles d'impression constitués par des plaques d'impression flexographiques montées sur des rouleaux respectifs, par des plaques d'impression flexographiques montées sur des manchons de support de plaque d'impression respectifs et par des rouleaux/manchons d'encrage Download PDF

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Publication number
WO2010146040A1
WO2010146040A1 PCT/EP2010/058355 EP2010058355W WO2010146040A1 WO 2010146040 A1 WO2010146040 A1 WO 2010146040A1 EP 2010058355 W EP2010058355 W EP 2010058355W WO 2010146040 A1 WO2010146040 A1 WO 2010146040A1
Authority
WO
WIPO (PCT)
Prior art keywords
printing
sleeves
assembly
printing plate
rollers
Prior art date
Application number
PCT/EP2010/058355
Other languages
English (en)
Inventor
Stefano Sambri
Original Assignee
Bieffebi - Societa' Per Azioni
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 Bieffebi - Societa' Per Azioni filed Critical Bieffebi - Societa' Per Azioni
Publication of WO2010146040A1 publication Critical patent/WO2010146040A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/005—Attaching and registering printing formes to 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
    • B41F33/0027—Devices for scanning originals, printing formes or the like for determining or presetting 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
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/30—Detecting the correct position of printing plates on the cylinder

Definitions

  • the present invention relates to an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves.
  • flexographic printing suitable printing plates are normally used which have to be mounted on respective rollers or sleeves (basically tubular bodies upon the outside surface of which it is possible to fix the printing plate).
  • the term "printing assembly” shall be used to identify the set of objects that is constituted by a roller or a sleeve upon which is fixed (with any fixing element) a flexographic printing plate or the element constituted by an inking roller or sleeve.
  • the techniques for mounting printing plates on respective supports can be controlled by position verification devices which can be semi-automatic (as described in EP 0 728 580 in the name of this same applicant) or completely automatic/virtual (as described in EP 1 666 251 in the name of this same applicant).
  • the first type of device necessarily requires the printing of proof sheets to control the placement in register of the printing plate on the printing plate support
  • the second type it is possible to mount the printing plates in register by using virtual computer software which, by using the work file, eliminates the need for the proof sheet with inks and enables the operator to make exact comparisons of position and of the entire image between the pre-processed graphic reproduction of the image to be printed, made available on a digital memory medium, and the image of the printing plate mounted on the roller or on the printing plate supporting sleeve.
  • the aim of the present invention is to solve the above mentioned drawbacks, by providing an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves that is adapted to check the geometric and dimensional parameters of the printing assembly in order to identify it completely and univocally so as to verify its complete respondence to the usage requirements.
  • an object of the present invention is to provide an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves that is adapted to check the dimensional and geometric deviation from the ideal dimensions and shape, which may be preset and/or stored, so as to control that such deviation is less than a predefined limit value for that type of printing assembly.
  • Another object of the present invention is to provide an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves that can be simply mounted on a plate mounter device.
  • Another object of the present invention is to provide an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves that can be simply mounted on a printing machine.
  • a further object of the present invention is to provide an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves that has a low cost, is easily and practically implemented and safely applied.
  • an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves, characterized in that it comprises at least one sensor, which is aligned, along a substantially tangential direction, with at least one portion of the profile of the outer surface of the printing assembly to be analyzed, and is intended to detect the shape of the outer surface of the printing plate, in the form of the actual radius of the assembly, mounted on the respective supporting element constituted by rollers, printing plate supporting sleeves and inking rollers/sleeves.
  • Figure 1 is a front elevation view of an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves according to the invention;
  • Figure 2 is a front view of an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves according to the invention, mounted on a plate mounter;
  • Figure 3 is a side view of a printing assembly constituted by a flexographic printing plate mounted on a respective roller;
  • Figure 4 is a front view of a printing assembly constituted by a flexographic printing plate mounted on a respective roller
  • Figure 5 is in a schematic view of a functional block diagram of an apparatus for checking geometric parameters of printing assemblies constituted by flexographic printing plates mounted on respective rollers, by flexographic printing plates mounted on respective printing plate supporting sleeves, and by inking rollers/sleeves according to the invention, mounted on a plate mounter;
  • Figure 6 is a schematic front view of the functional diagram of a printing machine station on which at least one printing assembly is mounted;
  • Figure 7 is a schematic top view of the functional diagram of a printing machine station on which at least one printing assembly is mounted;
  • Figure 8 is a schematic front view of the functional diagram of a wheel printing machine on which at least one printing assembly is mounted. Ways of carrying out the Invention
  • the reference numeral 1 generally designates an apparatus for checking geometric parameters of printing assemblies 2 constituted by flexographic printing plates 3 mounted on respective rollers 4, by flexographic printing plates 3 mounted on respective printing plate supporting sleeves 5, and by inking rollers/sleeves 6.
  • the apparatus 1 comprises at least one sensor 7, which is aligned, along a substantially tangential direction, with at least one portion 8 of the profile of the outer surface of the printing assembly 2 to be analyzed, and is designed to detect the shape of the outer surface of the printing plate 3 mounted on the respective supporting element constituted by the rollers 4, the printing plate supporting sleeves 5 and the inking rollers/sleeves 6. It is specified that the assembly 2 is normally axially symmetric (axis of symmetry 9) and can rotate about its axis of symmetry 9. In substance the sensor 7 analyses and examines the outside surface of the printing assembly 2 by detecting the shape or the dimensions at some parts of particular interest.
  • the sensor 7 By analysing the printing assembly 2 in a direction of examination that is substantially tangential to the outside surface of such assembly, the sensor 7 basically probes the extent of the actual radius of the printing assembly 2, invalidated by the dimensional and geometric irregularities of all its components. Detection of this actual radius will enable its comparison with the theoretical radius in order to calibrate the positioning of the assembly 2 so as to minimise the effects of the irregularities on the products that will be printed with the assembly 2.
  • the senor 7 is an apparatus for acquiring images, such as a still camera, a video camera and the like. It should be emphasised that there are video cameras provided with optics and electronics that are capable of performing high magnifications of the detected images, without distortion (or in any case with levels of optical distortion of known extent). From the image it will thus be possible to detect, with certainty, the thicknesses of all the parts that are seen in profile.
  • the printing plate is normally transparent and/or partially transparent, it will be possible to detect the thickness of such printing plate and also of the components that are located under it. In general the important thing is to detect the value of the actual radius at each point examined, independently of the thicknesses of the individual components, even if in certain applications it may be advisable (and possible with the apparatus 1 according to the invention) to detect such thicknesses.
  • a layer of adhesive material 3 a be interposed between them having a thickness that is specific and preset according to suitable design criteria.
  • Such thickness can in any case be controlled by means of the sensor 7.
  • the sensor 7 will be capable of detecting the value of the actual radius of the outside surface at that point, since it will acquire a signal (for example an image) tangentially at such surface, and by knowing the exact position of the axis of the assembly 2 and the exact position of the sensor 7, the detected signal can be easily correlated with the exact value of the actual radius at the point that is being operated on.
  • the senor 7 can be coupled to a sliding block 10 which can slide along a rail 11 that is parallel to the pivoting and assembly axis 9 of the printing assembly 2.
  • the sliding of the sliding block 10 determines in such case the alignment of the sensor 7 with different and contiguous portions 8 of the printing assembly 2 for detecting the outside surface shape at each position of alignment (the detection is possible because the sliding block 10 slides on the rail so as to keep the sensor 7, the video camera according to the example cited above, facing the profile of the assembly 2). Maintaining this particular alignment (tangential alignment, rather than the typical radial alignment that is adopted with mechanical and optical diameter gauges) ensures that the area upon which the video camera will perform the acquisition of the image is that proximate to the plane that is tangential to the outside surface of the assembly 2, basically showing the shape, or the silhouette, of the assembly 2.
  • the sliding block 10 can move according to successive incremental steps of preset extent for alignment with corresponding positions of the assembly 2 at a preset mutual distance. If the sliding block 10 can move by discrete incremental steps, then the sensor 7 can be constituted by a video camera or by a still camera, irrespectively. The still camera will be activated to acquire the photographic image only in the instant when the sliding block 10 has stopped in one of the preset positions.
  • the sliding block 10 can also move continuously for continuous detection, on the part of the sensor 7 (video camera), of the geometric/dimensional parameters of the printing assembly 2 in all the positions that are successively aligned with the sensor 7.
  • a video camera is clearly preferred over a still camera because continuous detection is much more practical with this type of sensor 7.
  • the use of still cameras adapted to acquire a plurality of photographic frames in sequence is not excluded.
  • the printing assembly 2 can rotate continuously about its axis 9 (as can be seen in the accompanying Figures). Therefore the sensor 7 will be designed to detect the geometric/dimensional parameters continuously (i.e. at each angular position reached by the assembly 2), and at each instant during the rotation of the assembly 2.
  • the rotation of the printing assembly 2 determines an angular movement ⁇ with respect to a starting reference (the corresponding angle ⁇ will be associated with each detection performed).
  • the printing assembly 2 can rotate about its own axis 9 according to successive angular increments of preset extent ( ⁇ ).
  • the sensor 7 will thus be designed to detect the geometrical/dimensional parameters at each stop between successive incremental angular movements.
  • a suitable movement apparatus 13 which is controlled in such a way as to determine precise rotations and to make incremental steps ( ⁇ ), even extremely small steps (these also optionally obtainable with high precision and resolution).
  • the apparatus 1 in a complete version and adapted to immediate industrial application, comprises a memory unit for collecting the geometric/ dimensional parameters detected.
  • the memory unit is comprised in the computer 12 mentioned previously.
  • the data may be read from the memory unit of the processor present on the machinery and used to speed up the dimensional and geometric calibration operations of the printing components (the various different assemblies 2 present).
  • the apparatus in order to facilitate the data transfer operations, comprises a component, such as a port and the corresponding cable, for connection and communication. These components will be associated with the computer 12 for storage and optional analysis of the detected data.
  • the apparatus 1 enables the detection, storage and transmission of the total errors and deviations from the ideal geometric conditions, with respect to nominal values, caused by: a) machining tolerance of the roller 4 and the printing plate supporting sleeve 5 with respect to values of circularity, concentricity, cylindricity and diameter; b) tolerance in the thickness of the double-sided adhesive tape (which keeps the printing plate 3 on the respective printing plate support): such thickness may be different from spool to spool; c) tolerance of the thickness of the printing plate 3.
  • the adoption of the apparatus 1 according to the invention makes it possible to compare the theoretical printing radius referred to the axis of rotation 9 with the actual surface radius of the printing plate 3 on all the points considered necessary of the circumference and of the width of the printing zones of the printing plates 3.
  • the important points to be stored are those that have an actual radius value that is less than the theoretical radius value, as these points determine the amount of movement of the axis 9 of the roller 4 (or the printing plate supporting sleeve 5) with respect to a coimterpressure roller 15 or a central drum 16 which must be corrected on both sides directly on the printing machinery in order to obtain, without losing time, the complete printing of the printing plates 3 by exercising the minimum possible pressure.
  • the amounts of movement of the axis 9 of the printing roller 4 with respect to the counterpressure roller 15 or the central drum 16 can also be used to correct the movement of the axis 9 of the inking roller/sleeve 6.
  • the detected data can be stored and sent to the printing machinery to modify the position of the axis in relation to the geometric errors of the printing assembly 2 and the geometric errors of the inking roller/sleeve 6.
  • the inking rollers/sleeves 6 In order to manage the data from the "pre-printing geometric measurements" it is necessary to be able to recognise, with a code, all of the technical information relating to the use and printing characteristics of each printing assembly 2. In relation to geometric printing errors of the printing plates 3 mounted on the rollers 4 or the printing plate supporting sleeves 5, the inking rollers/sleeves 6 also have to be registered (specifically, the inking rollers/sleeves 6 take the ink from a reservoir 17 and distribute it on the outside surface of the printing plate 3).
  • the adoption of the apparatus 1 according to the invention makes it possible to compare the theoretical printing radius referred to the axis of rotation 9 with the actual surface radius of the printing plate 3 on all the points considered necessary of the circumference and of the width of the printing zones of the printing plates 3. In the detection phase it is possible to verify, at various points, whether the actual radius of the printing plate 3 is greater than, equal to, or less than the circumference and the length for the theoretical radius.
  • the important points to be stored are those that have an actual radius value that is less than the theoretical radius value, as those points permit the operator to assess the result of the mounting and to verify the suitability of the printing assembly to be applied to a determined print process.
  • the apparatus 1 is normally applied to a plate mounter 20 (as shown in Figure 2) that is adapted to mounting the printing plates 3 in register, but, as specified previously and shown in Figure 1, it can be incorporated in a completely dedicated structure, thus constituting an autonomous machine.
  • a plate mounter 20 as shown in Figure 2 that is adapted to mounting the printing plates 3 in register, but, as specified previously and shown in Figure 1, it can be incorporated in a completely dedicated structure, thus constituting an autonomous machine.
  • the detection sensor 7 can be connected by means of a flexible cable to its controller 21, which can communicate by means of special software with the computer 12 of the plate mounter 20 via ports 22 (USB and RS-232C).
  • the apparatus 1 for geometric detection also makes it possible to provide digital information for each printing plate supporting sleeve 5 via the computer of the plate mounter 20. As already mentioned, this information can also be stored directly on memory units that are comprised in the printing assembly 2 under examination. The possibility is not excluded of reading the information contained in the memory unit installed in the printing assembly by means of wireless connections (electromagnetic links, such as frequency modulation, infrared and the like).
  • the scope of the present invention is considered to include within it any unit (plate mounter 20) for mounting the flexographic printing plates 3 that comprise an apparatus 1 for controlling geometric parameters of printing assemblies 2 constituted by flexographic printing plates 3 mounted on respective rollers 4, by flexographic printing plates 3 mounted on respective printing plate supporting sleeves 5, and by inking rollers/sleeves 6 in conformance with what is described above.
  • any unit for mounting the flexographic printing plates 3 that comprise an apparatus 1 for controlling geometric parameters of printing assemblies 2 constituted by flexographic printing plates 3 mounted on respective rollers 4, by flexographic printing plates 3 mounted on respective printing plate supporting sleeves 5, and by inking rollers/sleeves 6 in conformance with what is described above.
  • Figure 2 refers to such possible application of the apparatus 1 to a plate mounter 20 (unit for mounting flexographic printing plates 3).
  • the scope of the present invention is considered to also include within it any printing machine that comprises an apparatus 1 for checking geometric parameters of printing assemblies 2 constituted by flexographic printing plates 3 mounted on respective rollers 4, by flexographic printing plates 3 mounted on respective printing plate supporting sleeves 5, and by inking rollers/sleeves 6.
  • Figures 6, 7 and 8 refer to such possible application of the apparatus 1 to a machine for printing and they describe the details of such machine to identify the permitted operations following the adoption of the apparatus 1 according to the invention.
  • the procedure for detecting the geometric parameters of printing assemblies 2 constituted by flexographic printing plates 3 mounted on respective rollers 4, by flexographic printing plates 3 mounted on respective printing plate supporting sleeves 5, and by inking rollers/sleeves consists in a first phase a) of detecting the value of the actual radius of the printing assembly 2 at a predetermined distance X, along the axial direction 9, from the end of the assembly 2 and at a predefined angular position ⁇ of the assembly 2 with respect to a reference angular position.
  • a second phase b) performs a comparison of the detected value of the actual radius with the value of the theoretical, ideal radius, so determining the extent of the movement and the coordinates relating to it, i.e. overall the coordinates of the point of detection, i.e. the axial distance X and the angular position ⁇ , the actual radius detected and the movement from the theoretical radius, for a plurality of points of the printing assembly 2.
  • the apparatus 1 makes it possible to control the geometric errors of the printing plates 3 mounted on the rollers 4 or the printing plate supporting sleeves 5.
  • the apparatus 1 can comprise at least one management and control device that is designed to check the correct positioning of the flexographic printing plate 3, mounted on the respective roller 4, on a respective printing plate supporting sleeve 5 and on other similar supports.
  • the management and control device will be provided with a memory unit that is designed to store the image file of the printing plate 3 (for example the file with which the printing plate 3 was created or, more generally, a file that describes the image of the file under standard conditions of positioning, dimensions and proportions), and provided with at least one element for the acquisition of the image of the printing plate 3 (in this case too it can be a video camera, a still camera or other element that is generally adapted to acquire an image) on the corresponding support, and with a screen (for example the screen of a personal computer or a dedicated video screen) for superimposing the image acquired by such element with the image of the file and for checking the perfect juxtaposition of such images.
  • the correct juxtaposition of the two images corresponds to a correct mounting and positioning of the printing plate 3.
  • the apparatus 1 will be able to detect the extent of the thickness of an assembly 2 that has been previously mounted and correctly placed and which therefore will not be subject to further errors caused, for example, by bad placing/mounting of the printing plate 3.

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  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

L'invention porte sur un appareil (1) pour vérifier des paramètres géométriques d'ensembles d'impression (2) constitués par des plaques d'impression flexographiques (3) montées sur des rouleaux respectifs (4), par des plaques d'impression flexographiques (3) montées sur des manchons de support de plaque d'impression respectifs (5), et par des rouleaux/manchons d'encrage (6), lequel appareil comprend au moins un capteur (7) qui est aligné, le long d'une direction sensiblement tangentielle, avec au moins une partie (8) du profil de la surface externe de l'ensemble d'impression (2) devant être analysé, et est conçu pour détecter la forme de la surface externe de la plaque d'impression (3), sous la forme du rayon effectif de l'ensemble (2), monté sur l'élément de support respectif constitué par des rouleaux (4), des manchons de support de plaque d'impression (5) et des rouleaux/manchons d'encrage (6).
PCT/EP2010/058355 2009-06-16 2010-06-15 Appareil pour vérifier des paramètres géométriques d'ensembles d'impression constitués par des plaques d'impression flexographiques montées sur des rouleaux respectifs, par des plaques d'impression flexographiques montées sur des manchons de support de plaque d'impression respectifs et par des rouleaux/manchons d'encrage WO2010146040A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2009A000387 2009-06-16
IT000387A ITBO20090387A1 (it) 2009-06-16 2009-06-16 Apparato per il controllo di parametri geometrici di gruppi di stampa costituiti da cliché flessografici montati su rispettivi cilindri, da cliché flessografici montati su rispettivi sleeve portacliché e da cilindri/sleeves distributori di inchiostro

Publications (1)

Publication Number Publication Date
WO2010146040A1 true WO2010146040A1 (fr) 2010-12-23

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PCT/EP2010/058355 WO2010146040A1 (fr) 2009-06-16 2010-06-15 Appareil pour vérifier des paramètres géométriques d'ensembles d'impression constitués par des plaques d'impression flexographiques montées sur des rouleaux respectifs, par des plaques d'impression flexographiques montées sur des manchons de support de plaque d'impression respectifs et par des rouleaux/manchons d'encrage

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IT (1) ITBO20090387A1 (fr)
WO (1) WO2010146040A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013076526A1 (fr) * 2011-11-22 2013-05-30 Bieffebi - Societa' Per Azioni Ensemble pour détecter des paramètres géométriques de supports pour plaques d'impression
ITBO20130091A1 (it) * 2013-03-04 2014-09-05 Bieffebi Spa Metodo di gestione di sleeve portacliché per la stampa flessografica
WO2014162215A1 (fr) * 2013-03-04 2014-10-09 Bieffebi S.P.A. Procédé de manipulation de manchons porte-plaques d'impression flexographique
ITBO20130568A1 (it) * 2013-10-16 2015-04-17 Bieffebi Spa Modulo, procedimento ed apparecchiatura per l'analisi dimensionale di un cilindro porta-cliche'
CN104742514A (zh) * 2015-02-26 2015-07-01 重庆宏劲印务有限责任公司 一种烫金压力的检测方法
CN104827765A (zh) * 2015-05-15 2015-08-12 合肥京东方光电科技有限公司 一种印刷机及控制方法
EP3738773A1 (fr) 2019-05-09 2020-11-18 Heidelberger Druckmaschinen AG Dispositif de mesure des élévations de la surface d'un corps rotatif
JP2021000781A (ja) * 2019-06-24 2021-01-07 総武機械株式会社 印刷用樹脂凸版の貼込装置
CN114379220A (zh) * 2020-10-22 2022-04-22 海德堡印刷机械股份公司 用于测量转动体的表面的隆起部的设备和系统
CN114379222A (zh) * 2020-10-22 2022-04-22 海德堡印刷机械股份公司 用于测量转动体的表面或其隆起部的设备和系统
EP3988305A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Procédé de fonctionnement d'une machine d'impression flexographique, machine d'impression flexographique, système et manchon pour une forme d'impression flexographique
EP3988306A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Dispositif de mesure des élévations de la surface d'un corps rotatif
EP3988308A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Procédé de fonctionnement d'une machine d'impression flexographique, machine d'impression flexographique, système, forme d'impression flexographique et manchon pour une forme d'impression flexographique
EP3988309A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Procédé de fonctionnement d'une machine d'impression flexographique, machine d'impression flexographique, système et manchon
EP3988307A1 (fr) 2020-10-22 2022-04-27 Heidelberger Druckmaschinen AG Procédé de fonctionnement d'une machine d'impression flexographique, système, forme d'impression flexographique ou manchon pour une forme d'impression flexographique

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EP1666251A1 (fr) 2004-12-02 2006-06-07 Bieffebi S.p.A. Machine pour monter en registre des plaques d'impression fléxographiques avec un système virtuel de traitement de données
EP1916102A1 (fr) * 2006-10-23 2008-04-30 Fischer & Krecke GmbH & Co. KG Procédé, dispositif de montage et unité de control pour ajuster un cylindre dans une machine à imprimer

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Publication number Priority date Publication date Assignee Title
EP0728580A1 (fr) 1995-02-24 1996-08-28 BIEFFEBI S.p.A. Machine pour le montage de plaques souples sur des cylindres de plaque de machines flexographiques et pour imprimer des épreuves
WO1997039893A1 (fr) * 1996-04-22 1997-10-30 Leader Engineering-Fabrication, Inc. Structure de montage de plaque d'impression
EP1060884A1 (fr) * 1999-06-08 2000-12-20 Bieffebi S.p.A. Dispositif d'accrochage pour plaques d'impression flexographique
US20060005728A1 (en) * 2003-02-03 2006-01-12 Creo Inc. Printing plate registration using a camera
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EP1916102A1 (fr) * 2006-10-23 2008-04-30 Fischer & Krecke GmbH & Co. KG Procédé, dispositif de montage et unité de control pour ajuster un cylindre dans une machine à imprimer

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013076526A1 (fr) * 2011-11-22 2013-05-30 Bieffebi - Societa' Per Azioni Ensemble pour détecter des paramètres géométriques de supports pour plaques d'impression
ITBO20130091A1 (it) * 2013-03-04 2014-09-05 Bieffebi Spa Metodo di gestione di sleeve portacliché per la stampa flessografica
WO2014162215A1 (fr) * 2013-03-04 2014-10-09 Bieffebi S.P.A. Procédé de manipulation de manchons porte-plaques d'impression flexographique
ITBO20130568A1 (it) * 2013-10-16 2015-04-17 Bieffebi Spa Modulo, procedimento ed apparecchiatura per l'analisi dimensionale di un cilindro porta-cliche'
EP2862717A1 (fr) * 2013-10-16 2015-04-22 Bieffebi Srl Forme, procédure et èquipement pour l'analyse dimensionelle d'un cylindre porte-cliché
CN104742514A (zh) * 2015-02-26 2015-07-01 重庆宏劲印务有限责任公司 一种烫金压力的检测方法
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