EP2418083B1 - Dispositif de régulation du taux d'agent d'humidification et du taux de couleur dans une presse - Google Patents

Dispositif de régulation du taux d'agent d'humidification et du taux de couleur dans une presse Download PDF

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Publication number
EP2418083B1
EP2418083B1 EP11006251.0A EP11006251A EP2418083B1 EP 2418083 B1 EP2418083 B1 EP 2418083B1 EP 11006251 A EP11006251 A EP 11006251A EP 2418083 B1 EP2418083 B1 EP 2418083B1
Authority
EP
European Patent Office
Prior art keywords
dampening
printing
ink
roller
printing material
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.)
Active
Application number
EP11006251.0A
Other languages
German (de)
English (en)
Other versions
EP2418083A1 (fr
Inventor
Karl Altthaler
Peter Knauer
Stefan Wasserbäch
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.)
Manroland Web Systems GmbH
Original Assignee
Manroland Web Systems GmbH
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.)
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Publication date
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Publication of EP2418083A1 publication Critical patent/EP2418083A1/fr
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Publication of EP2418083B1 publication Critical patent/EP2418083B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/26—Damping devices using transfer rollers
    • 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
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0054—Devices for controlling dampening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/02—Arrangements of indicating devices, e.g. counters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/30—Damping devices using spraying elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/40—Devices for tripping or lifting damping rollers; Supporting, adjusting, or removing arrangements therefor

Definitions

  • the invention relates to a device for controlling the dampening agent application and optionally also the application of paint in a printing press according to the features of patent claim 1.
  • the dosage of the dampening solution is controlled via the control station.
  • the dampening drive speed is controlled and the amount of dampening solution is manually controlled via the web width by changes in pressure between the dipping roller and the dampening motor.
  • the dampening solution quantity can be controlled via the spraying frequency of the nozzles or via the flap opening in turbofan plants.
  • a dampening unit for a printing machine with means for applying a dampening solution to a printing form and means for adjusting the amount of dampening solution, wherein a sensor is provided for detecting the amount of dampening agent applied to a printing form. The sensor detects the dampening solution layer thickness of the dampening solution on the printing form. The amount of dampening solution on the printing form is controlled by comparison with a predetermined amount of dampening solution. It is therefore this regulation of dampening solution based on sensor measurement data with respect to the dampening solution layer thickness.
  • From the DE 10 2008 061599 A1 is a device for controlling the damping agent application in a printing press, in which the dampening solution is controllable in dependence on determined pressure parameters of the applied color.
  • the object of the invention is to improve the control of dampening solution application and optionally also the application of paint in a printing press, in particular in a printing unit.
  • a difference of the invention to the o.g. The state of the art in this case is that no sensory detection of the dampening solution layer thickness of the dampening solution on the printing form must take place.
  • the optically detectable printing parameters of the applied ink on the printing material are detected selectively and / or over the entire width of the printing material, which ultimately causes the visual impression of the printed ink and thus the result of the printing process. It can take place at any printed location of the printing material, for example in areas in which measuring strips are printed or in areas in which subjects, ie printed images of any kind are printed in the form of images and / or texts.
  • the color measuring device is thus designed so that they detect optically detectable parameters or states of the applied color on the printing material, the Vollton Together and / or the Tonwertzutes serve as an indicator or control base for necessary control and regulation operations.
  • the printing material may be formed as a web-shaped printing substrate, for example as a paper web or paper roll, or as a sheet-like printing material, for example as a paper sheet or cardboard sheet.
  • instabilities in the time course of the determined pressure parameters of the applied color such as temporal fluctuations of the determined pressure parameters of the applied color
  • provide conclusions as to the amount of fountain solution and a need for adaptation allow the fountain solution and thus can be used as input for the control of dampening solution on the printing cylinder.
  • periodic fluctuations of the printing parameters which are determined by the color measuring device and which are used by the control and regulating device as the basis for the regulation of the controlled variables.
  • the amplitude and / or the frequency of such periodic fluctuations can be used for the strength of the regulation of the controlled variables, so that the amplitude and / or the frequency of such periodic fluctuations can be included as an input variable in a modification rule for the controlled variables.
  • sudden changes in the printing parameters can be used, which are determined by the color measuring device and are used by the control and regulating device as a basis for the control of the controlled variables.
  • the intensity-that is to say the amount of change in a pressure parameter-of such sudden changes can be used for the magnitude of the regulation of the controlled variables, so that the intensity-that is to say the magnitude of the change of a pressure parameter-as a further or alternative input variable into a modification rule can enter the controlled variables.
  • the detected printing parameters in the sense of the invention are those parameters which characterize the printed ink or colors on the print substrate, in particular parameters which are the color density and / or the color consistency and / or the color contrast and / or the color dot size of color screen dots and / or characterizing the shape of color halftone dots and / or the relative arrangement of color halftone dots relative to each other for the applied color or for the applied colors on the printing material.
  • the color measuring device is designed to detect the full-tone density and / or the tone value increase of the ink, which is applied to the printing material.
  • the color measuring device can thus detect optically detectable parameters or states of the applied color on the printing material, wherein the Vollton Why and / or the dot gain serve as an indicator or regulatory basis for necessary control and regulation processes.
  • the color measuring device can be designed in particular for detecting printing parameters of the applied color in printed measuring strips and / or for detecting printing parameters of the applied color in printed subjects.
  • recording the printing parameters in measuring strips separate measuring strips are recorded from the actual printed image or printing area of the finished printed copy, which are applied specifically for the purpose of recording printing parameters on the printing substrate.
  • capturing the printing parameters in printed subjects printing parameters are recorded directly in the actual printed image or printing area of the finished printed copy (also known as "measuring in the image").
  • the color measuring device or the plurality of color measuring devices can be designed as an optical color measuring device in the form of a camera or a spectrometric device.
  • control and regulating device can be designed to compare the actual values of the printing parameters of the ink applied at specific points and / or across the entire width of the printing material with predetermined and / or pre-stored nominal values for the printing parameters of the printing material over the entire width of the printing material applied color, wherein means are provided for adjusting the amount of ink on the printing cylinder, wherein further the means for adjusting the amount of ink on the printing cylinder as a function of deviations of the actual values of punctually and / or over the entire width of the printing material determined pressure parameters of the applied color of the punctiform and / or predetermined over the entire width of the printing material and / or pre-stored setpoint values for the pressure parameters of the applied color are controllable. This can be done in addition to a regulation of dampening solution also a regulation of the paint job.
  • the control and regulating device can be designed as a self-learning control and regulating device, wherein in the control and regulating device (3) the settings of the controlled variables can be stored and read back as presetting data.
  • self-learning algorithms are stored in the control and regulating device, the control variables over a plurality of print jobs stored in a data memory of the control and regulating device, in particular depending on and linked to data concerning the color and / or ink composition used and / or printing material type and / or duration of the print job and / or temperature or temperature profile of individual devices of the printing press or the printing unit.
  • control and regulating device is also advantageously self-learning and compensates for changes to the roll coatings due to swelling or shrinking automatically.
  • the color measuring devices can be designed to record printing parameters only on one side of the printing material, ie in particular be arranged only on one side of the printing material, but they can also be designed to capture printing parameters on both sides of the printing material, ie in particular on both sides of the printing material be arranged.
  • the control and regulating device is then designed according to the evaluation of the printing parameters on one side and / or on both sides of the printing material.
  • lubrication, toning and color build-up can be recognized early and thus the waste can be reduced in an advantageous manner.
  • FIG. 1 the principle is schematically represented by a film dampening unit.
  • a printing cylinder 1 As a section of a printing press, a printing cylinder 1 is shown, which usually interacts with a transfer cylinder.
  • a transfer cylinder On the printing cylinder 1 is a not explicitly shown printing form, which is provided with ink-accepting and ink-repellent areas. If a dampening solution is applied to the printing cylinder 1, this remains adhering to the ink-repellent areas of the printing plate.
  • At least one color measuring device 2 for detecting pressure parameters of the applied color on the printing material P is provided, wherein the detection of the printing parameters at a point or over the entire width B of Printing material P is carried out in a measuring range MB.
  • a detection is meant in particular only in the immediate optical detection range OEB of the color measuring device, ie as far as it does not extend over the entire width of the printing material is meant a range in the direction of the width of the printing material, which has a smaller extent than the width of the Betiksstoffs.
  • a control and regulating device 3 is provided for evaluating the punctiform and / or over the entire width B of the printing material P determined printing parameters of the applied color.
  • the means for adjusting the amount of fountain solution on the printing cylinder 1 can be controlled in dependence on a time course of the determined printing parameters of the applied color.
  • a plurality of color measuring devices 2 can be provided, which are arranged distributed over the width B of the printing material P.
  • the amount of dampening solution which is applied to the printing cylinder depends in particular on the pressure between a fountain roller 9 and a dampening driver 8 and the oblique adjustment of the fountain roller 9 with respect to the dampening device 8 and the dampening speed, ie the rotational speed of the moisture driver 8 and / or Rotary speed of the fountain roller 9 from.
  • Presetting values 4 can be specified as setpoint values for these settings of the pressure, oblique adjustment and rotational speed, ie default values 4a, 4b as setpoint values for the pressure between dipping roller 9 and dampening driver 8, default value 4c as the setpoint value for the oblique adjustment of dipping roller 9 with respect to dampening drive 8 and default value 4d as setpoint for the dampening drive rotation speed or dipping roller rotation speed.
  • Fig. 1 this is shown schematically for the dipping roller rotation speed of the dipping roller 9, in FIG Fig. 8 also for the rotational speed of the dampener 8 and / or the fountain roller.
  • the control and regulating device 3 evaluates the printing parameters for the applied color or for the applied colors on the printing material P.
  • the actual values of the printing parameters for the applied color or for the applied colors on the printing material P are in particular compared with desired values for the printing parameters for the applied color or for the applied colors on the printing material P, and it also takes place In particular, an evaluation of the time course of the printing parameters for the applied color or for the applied colors on the printing substrate P. In particular, it is determined by the control and regulating device 3, whether instabilities of the time course of the determined printing parameters of the applied color occur, in particular temporal Variations in the print parameters of the applied color.
  • the control and regulation device 3 determines an alteration rule for the change of the desired value of the pressure between the dipping roller 9 and dampening driver 8 and / or via an algorithm. or for the change of the desired value of the skew adjustment of the fountain roller 9 and / or for the change of the set value of the dampening drive rotation speed or immersion roller rotation speed with the aim of adjusting the actual values according to the modification rule.
  • the changes in the printing parameters for the applied ink or for the applied colors on the printing material P are observed and recorded via the color measuring device 2, and after a comparison between desired and actual values, the deviations determined are readjusted by corresponding regulating devices 5.
  • two motors 6 a, b are provided which can adjust the roller bearings preferably via spindles.
  • a further motor 6c is provided and to control the rotational speed of the fountain roller, a motor 6d is driven.
  • the achievement of the desired values of the printing parameters is achieved in the production of a so-called good sheet. This has the desired print quality, and the adjusted values for the control variables 4a, 4b, 4c and 4d can be stored and later read back into the control and regulation device 3 for the production of a similar order.
  • Each controlled variable 4a, 4b, 4c, 4d may be controlled alone or in conjunction with one or more others.
  • the dampening roller 9 or the fountain roller 9 applies the dampening solution to a wet rubbing roller 8 which applies the dampening solution to the printing form of the printing cylinder 1 via an applicator roller 7.
  • adjusting motors 6 a, b are provided, which can preferably adjust the position of the roller bearings via spindles.
  • an adjusting motor 6c is provided, which also preferably acts on the storage of the ductor roller 9 via a spindle drive.
  • FIG. 3 the principle is illustrated by means of a spray dampening unit.
  • the dampening solution is sprayed over a spray bar 14 with a plurality of nozzles onto a dampening drive roller 8, which transfers the dampening solution to the printing cylinder 1 via a dampening applicator roll 7.
  • the dampening solution quantity can be influenced by the clock frequency 10 and the cycle time 11 of the spraying. Furthermore, it is also possible to influence the dampening agent layer thickness via the dampening roller speed 12 and the dampening roller speed 13.
  • a color measuring device 2 is also provided here, which determines the determined printing parameters for the applied color or for the applied colors on the Printing material P to a control / regulation device 3 passes.
  • the control and regulation device 3 evaluates the printing parameters for the applied color or for the applied colors on the printing material P and determined by an algorithm a modification rule for changing the setpoint value 10 of the clock frequency and / or the setpoint value 11 of Cycle time and / or the desired value 12 of the dampening drive speed and / or the desired value 13 of the rotational speed of the dampening roller or the rotational speed of the fountain roller. After determining the changed target values, the corresponding deviations are readjusted. As soon as the first "good bow” is produced, the ideal settings are achieved, ie the current actual values 4e, 4f, 4g, 4h can serve as new target values and thus be stored as default data for comparable print jobs. These values can then be read back into the control and regulation device 3 for the next similar job and used as default values for the various settings.
  • FIG. 4 is shown a Schleuderfeuchtwerk.
  • the dampening solution is spun contactlessly through a rotor 15 onto a dampening device 8 or directly onto the printing cylinder 1.
  • Adjustable orifices 16 are provided for metering the amount of dampening solution. It can also be the dampening drive speed or the speed of the dampening roller 7 used for dosing ie controlled.
  • a color measuring device 2 is also provided here, which forwards the determined printing parameters for the applied ink or for the applied colors on the printing material P to a control / regulation device 3.
  • the control and regulation device 3 evaluates the printing parameters for the applied color or for the applied colors on the printing material P and determines via an algorithm a modification rule for changing the actual value of the position of the orifices 16 and / or the dampening drive speed and / or the dampening roller speed. On the basis of the determined changed actual values, the various settings 16 and / or the dampening drive speed and / or the dampening roller speed can be readjusted by the regulators 5i, 5j, 5k and via the adjusting motors Adjustment 6i, 6j, 6k are set.
  • the current actual values 4i, 4j, 4k can serve as new desired values and thus stored as presetting data for comparable print jobs in a memory, to be analogous to the later to be read back to previous embodiments.
  • Fig. 5 shows schematically an inking unit 25 having a Farbduktor 20 with a motor drive 21 with variable speed and, for example, an ink fountain meter 22 with a setting motor 23 for the ink zone meter. These serve to remove from the ink fountain 24 and on a - in Fig. 5 not explicitly shown - set printing cylinder 1 transmitted amount of ink by adjusting the speed of the ink fountain roller 20 and / or by adjusting the gap between the ink fountain meter 22 and ink duct 20.
  • a selective adjustment of the amount of ink is limited to a color zone achieved, whereas on the adjustment of the speed of the ink fountain roller 20, an adjustment of the amount of ink over the entire width B of the printing material P.
  • the means 20, 21, 22, 23 for adjusting the amount of ink on the printing cylinder 1 are on the Control and regulating device 3 adjustable as a function of deviations of the actual values IF of punctually and / or over the entire width B of the printing material P determined print parameters of the applied color of the punctual and / or over the entire width B of the printing material P predetermined and / or pre-stored Setpoints SF for the print parameters of the applied color.
  • Fig. 6 shows a printed area on a printing substrate P.
  • a subject S is printed on the printing material P in the form of a graphic image.
  • a measuring strip MS is printed on the printing material P.
  • the measuring strip MS has measuring fields for a plurality of color zones FZ1 to FZ5, which are printed over the width B of the printing material P.
  • these measuring fields are shown enlarged again for a color zone FZ1.
  • the measuring fields MF1 are used to determine the dot gain over the screen densities in the ranges of 10% to 90% area coverage, ie a hiding power of the ink on the printing material of 10% to 90%.
  • the measurement field MF2 is used to determine the solid density, ie an opacity of the ink on the printing substrate at 100% area coverage.
  • the above-mentioned values for dot gain and solid color density can also be determined from the corresponding areas of subject S which have the values for covering the ink on the printing substrate of 10% to 90% or for covering the ink on the printing substrate at 100%. Area coverage. These areas can be determined via the color measuring device 2. However, these areas can be determined by the control and regulation device 3 from print image data relating to the printed subjects S, which can be read from the control device 3 as further presetting data V from a storage device or the control and regulating device 3 transmitted by a machine control can be or the control and regulation device 3 can be entered via a man-machine interface.
  • the control and regulating device 3 can then control the color measuring device 2 accordingly on the basis of this print image data, so that the color measuring device 2 specifically detects the corresponding image areas of the subject S, ie for determining the dot gain ranges from 10% to 90% area coverage, ie an opacity of the color on the printing material from 10% to 90% and to determine the Vollton Together Areas with opacity of the ink on the substrate at 100% area coverage.
  • a web-shaped printing material P for example, a paper web, which is printed by an offset printing unit with a plate cylinder PZ, which serves as a printing cylinder 1, and a transfer or blanket cylinder GZ in an indirect printing method.
  • the reference numerals in Fig. 8 denote analog devices as explained with reference to the previous figures, in particular with reference to FIG FIGS. 1 and FIGS. 6 and 7 ,
  • the color measuring devices 2 have an optical detection range OEB.
  • Several or many color measuring devices 2 may be arranged along the width B of the printing material P. Subjects S are printed on the printing material P at regular intervals.
  • measuring strips MS can also be printed on the printing material P at regular intervals, but these are not absolutely necessary since the method described here can also be carried out exclusively on the basis of the subjects S. If measuring strips MS are present, the method described here can be carried out either exclusively on the measuring strips MS or on the measuring strips MS and the subjects S.
  • the color measuring device 2 can detect the printing parameters of the ink applied to the printing material P again selectively - in particular only in the respective optical detection range OEB one or each respective color measuring device 2 - and / or perform over the entire width B of the printing material P.
  • the drive motor M drives so in Fig. 8 both the dampening drive roller 8 and the fountain roller 9 at.
  • the drive motor M drives either directly the dampening drive roller 8 and is driven from this via a drive coupling such as a gear, a toothed belt or the like on the fountain roller 9, or that the drive motor M directly drives the fountain roller 9 and from this is driven to the dampening drive roller 8 via a drive coupling such as a gear, a toothed belt or the like.
  • the motor M can also drive only one of the mentioned rollers and a separate motor M can be provided for each of the rollers 8, 9.
  • a control and regulating device 3 which functions in accordance with the control and regulating device 3 already described above and is connected to the color measuring device 2 for data purposes. It can be read into the control and regulation device 3 preset data V for the controlled settings of the controlled variables, which can either be stored in a memory device or can be entered via a machine control or a man-machine interface.
  • the inking unit 25 is described in terms of control technology with the control and regulating device 3 in an analogous manner as already described above with reference to the other examples.

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

Claims (10)

  1. Dispositif de régulation de l'application d'humidifiant dans une machine d'impression, comportant des moyens d'application d'un lubrifiant sur un cylindre d'impression (1) et des moyens de réglage de la quantité d'humidifiant, dans lequel
    - au moins un dispositif de mesure d'encre (2) est prévu pour enregistrer les paramètres d'impression de l'encre appliquée sur le support d'impression (P), l'enregistrement des paramètres d'impression ayant lieu ponctuellement et/ou sur toute la largeur (B) du support d'impression (P),
    et dans lequel
    - il est prévu un dispositif de commande et de régulation (3) pour exploiter des paramètres d'impression de l'encre appliquée déterminés ponctuellement et/ou sur toute la largeur (B) du support d'impression (P),
    caractérisé en ce que
    - le dispositif de commande et de réglage (3) est conçu pour déterminer une évolution temporelle des paramètres d'impression déterminés de l'encre appliquée et
    - que les moyens de réglage de la quantité d'humidifiant sur le cylindre d'impression (1) sont réglables en fonction d'instabilités de l'évolution temporelle des paramètres d'impression déterminés de l'encre appliquée.
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de mesure d'encre (2) est conçu pour enregistrer la densité des aplats et/ou l'augmentation de valeur tonale de l'encre appliquée sur le support d'impression.
  3. Dispositif selon une des revendications 1 à 2, caractérisé en ce que le dispositif de mesure d'encre (2) est conçu pour enregistrer des paramètres d'impression de l'encre appliquée dans des bandes de mesure imprimées (MS) et/ou pour enregistrer des paramètres d'impression de l'encre appliquée dans des sujets imprimés (S).
  4. Dispositif selon une des revendications 1 à 3, caractérisé en ce qu'il est prévu plusieurs dispositifs de mesure d'encre (2) qui sont disposés répartis sur la largeur (B) du support d'impression.
  5. Dispositif selon une des revendications 1 à 4, caractérisé en ce que le dispositif de mesure d'encre (2) est réalisé sous forme d'un dispositif de mesure d'encre optique prenant la forme d'une caméra ou d'un dispositif spectrométrique.
  6. Dispositif selon une des revendications 1 à 5, caractérisé en ce que
    - le dispositif de commande et de régulation (3) est en outre conçu pour comparer les valeurs réelles (IF) des paramètres d'impression déterminés ponctuellement et/ou sur toute sa largeur (B) du support d'impression (P) de l'encre appliquée avec des valeurs théoriques (SF) prédéfinies et/ou préenregistrées ponctuellement et/ou sur toute la largeur (B) du support d'impression (P) pour les paramètres d'impression de l'encre appliquée et
    - des moyens (20, 21, 22, 23) de réglage de la quantité d'encre sur le cylindre d'impression (1) sont prévus,
    - les moyens (20, 21, 22, 23) de réglage de la quantité d'encre sur le support d'impression (1) sont réglables en fonction des écarts des valeurs réelles (IF) des paramètres d'impression déterminés ponctuellement et/ou sur toute sa largeur (B) du support d'impression (P) de l'encre appliquée par rapport aux valeurs théoriques (SF) prédéfinies et/ou préenregistrées ponctuellement et/ou sur toute la largeur (B) du support d'impression (P) pour les paramètres d'impression de l'encre appliquée.
  7. Dispositif selon une des revendications 1 à 6, caractérisé en ce qu'il est prévu un groupe d'humidification de film comprenant au moins un cylindre plongeant et un cylindre racleur d'humidité et que, pour régler la quantité d'humidifiant,
    - la compression du cylindre plongeant par rapport au cylindre racleur d'humidité et/ou
    - le réglage oblique du cylindre plongeant par rapport au cylindre racleur d'humidité et/ou
    - la vitesse du cylindre racleur d'humidité et/ou du cylindre plongeant sont réglés.
  8. Dispositif selon une des revendications 1 à 6, caractérisé en ce qu'il est prévu un groupe d'humidification centrifuge comportant au moins un cylindre racleur d'humidité et un cylindre applicateur d'humidité et que, pour régler la quantité d'humidifiant,
    - des caches réglables peuvent être commandés et/ou
    - la vitesse de rotation du cylindre racleur d'humidité et/ou
    - la vitesse de rotation du cylindre applicateur d'humidité est réglable.
  9. Dispositif selon la revendication 6, caractérisé en ce qu'il est prévu un groupe d'humidification à pulvérisation comportant au moins un cylindre racleur d'humidité et un cylindre applicateur d'humidité et que, pour régler la quantité d'humidifiant,
    - la fréquence de pulvérisation et/ou
    - la durée de pulvérisation peuvent être commandées et/ou
    - la vitesse de rotation du cylindre racleur d'humidité et/ou
    - la vitesse de rotation du cylindre applicateur d'humidité sont réglables.
  10. Dispositif selon une des revendications précédentes, caractérisé en ce que le dispositif de commande et de réglage (3) est réalisé sous forme d'un dispositif de commande et de réglage à autoapprentissage (3), les réglages des paramètres de réglage pouvant être enregistrés et reconsultés sous forme de données de pré sréglage (V).
EP11006251.0A 2010-08-14 2011-07-29 Dispositif de régulation du taux d'agent d'humidification et du taux de couleur dans une presse Active EP2418083B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010034350A DE102010034350A1 (de) 2010-08-14 2010-08-14 Einrichtung zur Regelung des Feuchtmittelauftrags und Farbauftrags in einer Druckmaschine

Publications (2)

Publication Number Publication Date
EP2418083A1 EP2418083A1 (fr) 2012-02-15
EP2418083B1 true EP2418083B1 (fr) 2016-11-09

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EP11006251.0A Active EP2418083B1 (fr) 2010-08-14 2011-07-29 Dispositif de régulation du taux d'agent d'humidification et du taux de couleur dans une presse

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US (1) US20120145020A1 (fr)
EP (1) EP2418083B1 (fr)
DE (1) DE102010034350A1 (fr)
ES (1) ES2602830T3 (fr)

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DE102017207306A1 (de) 2016-05-20 2017-11-23 Heidelberger Druckmaschinen Ag Verfahren zur Überwachung eines Färbungsstandards in einer Druckmaschine

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DE4238557A1 (de) * 1992-11-14 1994-05-19 Koenig & Bauer Ag Verfahren zur Einstellung der Feuchtmittelmenge bei einer Offset-Rotationsdruckmaschine
US5791249A (en) * 1997-03-27 1998-08-11 Quad/Tech, Inc. System and method for regulating dampening fluid in a printing press
JP2001322252A (ja) * 2000-05-17 2001-11-20 Komori Corp オフセット輪転機の切替作業の自動化装置
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EP2418083A1 (fr) 2012-02-15
ES2602830T3 (es) 2017-02-22
DE102010034350A1 (de) 2012-02-16
US20120145020A1 (en) 2012-06-14

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