EP1359011B1 - Procédé et dispositif de commande d'un dispositif pour régler la température du liquide mouilleur - Google Patents

Procédé et dispositif de commande d'un dispositif pour régler la température du liquide mouilleur Download PDF

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Publication number
EP1359011B1
EP1359011B1 EP03008313A EP03008313A EP1359011B1 EP 1359011 B1 EP1359011 B1 EP 1359011B1 EP 03008313 A EP03008313 A EP 03008313A EP 03008313 A EP03008313 A EP 03008313A EP 1359011 B1 EP1359011 B1 EP 1359011B1
Authority
EP
European Patent Office
Prior art keywords
tempering
tempering medium
unit
sensor
value
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.)
Revoked
Application number
EP03008313A
Other languages
German (de)
English (en)
Other versions
EP1359011A2 (fr
EP1359011A3 (fr
Inventor
Hans-Georg Eitel
Ruth Dr. Kremer
Jürgen Schölzig
Udo Von Sack
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 AG
Original Assignee
MAN Roland Druckmaschinen AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=28798951&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1359011(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1359011A2 publication Critical patent/EP1359011A2/fr
Publication of EP1359011A3 publication Critical patent/EP1359011A3/fr
Application granted granted Critical
Publication of EP1359011B1 publication Critical patent/EP1359011B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/002—Heating or cooling of ink or ink rollers

Definitions

  • the invention relates to a method and a device for operating a Tempering device in the inking unit or dampening unit of an offset printing machine.
  • inking units are provided for the application of printing ink.
  • inking unit temperature control allows the ink processed in the inking unit to be heated or cooled as needed during the printing process.
  • tempering for Lackumlaufsysteme or Lackwerktemperierung in coating facilities of finishing machines or for the so-called inline coating in conjunction with offset and flexographic printing machines can be designed in the form of sheet or web presses. Tempering devices have also become known for dampening units on offset printing machines.
  • the temperature control devices are often designed according to the heat exchanger principle.
  • a so-called tempering medium is preferably passed through the interior of one of the rollers of the inking unit or the coating device.
  • a liquid medium is used in an open or closed temperature control.
  • the temperature control medium can be used for heating or for cooling or for heating and cooling.
  • the temperature control is cooled by a refrigeration unit, for example by means of a heat exchanger or heated by a heating element or a heat exchanger.
  • the temperature control and temperature sensor in the respective printing press or in the coating device is carried out by temperature adjustment of the medium or the amount of flow.
  • EP-A-0383295 discloses a tempering device in the inking unit of a printing machine with a sensor for detecting the color density
  • the tempering medium consists of a mixture of water and additives to protect the temperature control system in the printing press.
  • the additives serve especially the rust protection. But there are also other types of additives used.
  • the tempering medium is usually after prolonged use by the Specification of fixed change intervals, i. depending on the time of use, replaced. It is also possible, after stopping the printing press and opening of the tempering system, by means of manual control of the pH value or a specially obtained conductance the state of the To determine tempering and this example. when it falls below one minimum value of corrosion inhibitor or exchange.
  • Temperiermedium in the field of engine gearbox in the lubricating oil of the Machine drive can do that Temperiermedium in the field of engine gearbox in the lubricating oil of the Machine drive and thus reduce its function or even completely override.
  • the object of the invention is therefore an apparatus and a method to manage that in printing machines with tempering damage through Exiting tempering safely prevented.
  • the temperature control circuit is on the machine side and / or aggregate side Detector or sensor, for example a pH probe and / or a Conductance probe used depending on the tempering medium used.
  • the detector or sensor detects the composition of the Temperiermediums and takes into account its constituent parts. This relates to all substances in the form of protective agents, e.g. Corrosion inhibitor, and also water in the context of each of them certain mixing ratios.
  • the sensor constantly or cyclically measures the actual value in the temperature control medium and compares the entered required setpoint value via a controller.
  • the Setpoint can be stored in the machine control and can be from Be specified by the manufacturer.
  • the setpoint can also be operational specified and entered and stored by the operator, e.g. depending on local water quality. When falling below the setpoint takes place a corresponding error message.
  • the required control can z. In the Machine control station or in the temperature control unit to be installed. A Acoustic or optical indication of the error message can also be made. At the same time the value is logged or via data exchange to the Service Center or the machine manufacturer.
  • the temperature control medium can then be exchanged or refreshed by the addition of protective agent during the next cyclical maintenance.
  • the tempering system can also be tested with regard to tightness or fill level via a pressure sensor, for example a pressure switch, and thus the tempering system can be monitored for leaks in the temperature control medium cycle. In this way, above all, an uncontrolled discharge of tempering medium within the printing machine is detected.
  • a pressure sensor for example a pressure switch
  • the effort of the components used for this purpose is in terms of Scope of this possible machine damage relatively low.
  • One Damage to the printing press due to the penetration of tempering medium in the oil circuit of the printing press can be completely prevented in this way or at least be recognized early.
  • protection means may e.g. via dosing pumps with Reservoir also actively dosed depending on the measured value of the sensor become.
  • By logging the measured values is at machine damage an up-to-date inventory of the maintenance status for the Machine manufacturer possible. This can affect warranty issues.
  • Simple service work on the tempering devices are now over Diagnosis system, also a remote diagnosis system, possible. Festivals and times Scheduled and thus also expensive change intervals can be omitted. It is Also a trend display regarding hints for preventive maintenance possible.
  • Turbidity sensor the bacterial contamination of the medium are detected.
  • the temperature control becomes active with respect to the remaining Corrosion protection and accumulated operational pollution supervised. Fixed change intervals are ecologically meaningful, since not the actual use state of the tempering is detected.
  • An advantage of the invention is that a needs-based maintenance means Remote diagnosis or via data transfer is possible.
  • the condition of the Temperature control system can be monitored at any time by display on the control desk become.
  • the documentation of the actual state of the temperature control, also in Regarding the required maintenance of the printing press can be used in the analysis of Damage claims and assessment of warranty claims.
  • For the maintenance of the machine condition is a precautionary maintenance possible.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Heat Treatment Of Articles (AREA)
  • Forging (AREA)
  • Heat Treatment Of Steel (AREA)

Claims (11)

  1. Procédé pour le fonctionnement d'un équipement d'équilibrage de température dans le groupe d'encrage et/ou le groupe de mouillage d'une machine d'impression afin d'influer sur la température du groupe d'encrage ou du groupe de mouillage avec un circuit d'agent d'équilibrage de température, lequel est guidé à travers des éléments du groupe d'encrage et/ou du groupe de mouillage à l'intérieur de la machine d'impression, comportant au moins un dispositif pour mesurer et pour influer sur la température de l'agent d'équilibrage de température à l'intérieur du circuit d'agent d'équilibrage de température, l'agent d'équilibrage de température étant représenté par un mélange liquide,
    caractérisé en ce que, comme agent d'équilibrage de température, on utilise un mélange liquide dont au moins une composante est un agent anti-corrosion, en ce que, au moyen d'un ou plusieurs capteurs, la composition des composantes, notamment de la part de l'agent anti-corrosion, et/ou le niveau de remplissage ou la pression de remplissage de l'agent d'équilibrage de température à l'intérieur du circuit d'agent d'équilibrage de température sont détectés, en ce que la valeur réelle de la composition est comparée à une valeur de consigne enregistrée, en ce que les écarts de la valeur réelle par rapport à la valeur de consigne sont enregistrés et en ce que, en fonction de l'écart, des signaux d'avertissement sont émis sur la machine d'impression ou la machine d'impression est immobilisée.
  2. Dispositif servant à la mise en oeuvre du procédé suivant la revendication 1 dans un équipement d'équilibrage de température dans le groupe d'encrage et/ou le groupe de mouillage d'une machine d'impression afin d'influer sur la température du groupe d'encrage ou du groupe de mouillage avec un circuit d'agent d'équilibrage de température, lequel est guidé à travers des éléments du groupe d'encrage et/ou du groupe de mouillage à l'intérieur de la machine d'impression, comportant au moins un dispositif qui comprend au moins un capteur pour mesurer et un équipement au moyen duquel on influe sur la température de l'agent d'équilibrage de température à l'intérieur du circuit d'agent d'équilibrage de température, l'agent d'équilibrage de température étant représenté par un mélange liquide,
    caractérisé en ce que l'agent d'équilibrage de température est un mélange liquide dont au moins une composante est un agent anti-corrosion, en ce qu'un capteur est prévu pour déterminer la composition des composantes de l'agent d'équilibrage de température et notamment la part de l'agent anti-corrosion et en ce qu'un dispositif est prévu pour comparer la valeur réelle de la composition à une valeur de consigne enregistrée.
  3. Dispositif d'équilibrage de température selon la revendication 2,
    caractérisé en ce que le capteur est un capteur de pH.
  4. Dispositif d'équilibrage de température selon la revendication 2,
    caractérisé en ce que le capteur est un capteur de valeur de référence.
  5. Dispositif d'équilibrage de température selon l'une des revendications 2 à 4,
    caractérisé en ce qu'un capteur est prévu pour détecter la pression dans le circuit d'agent d'équilibrage de température.
  6. Dispositif d'équilibrage de température selon l'une des revendications 2 à 4
    caractérisé en ce qu'un capteur est prévu pour détecter le niveau de remplissage dans le circuit d'agent d'équilibrage de température.
  7. Dispositif d'équilibrage de température selon l'une des revendications 2 à 6,
    caractérisé en ce qu'un dispositif est prévu pour déterminer et enregistrer une valeur de consigne pour la composition de l'agent d'équilibrage de température, en ce qu'un dispositif est prévu pour déterminer les valeurs de mesure du ou des capteurs en tant que valeur(s) réelle(s) et en ce qu'un dispositif est prévu pour comparer les valeurs de consigne aux valeurs réelles.
  8. Dispositif d'équilibrage de température selon la revendication 7,
    caractérisé en ce qu'un dispositif est prévu pour émettre au moins un signal en cas d'écart entre les valeurs réelles et les valeurs de consigne.
  9. Dispositif d'équilibrage de température selon la revendication 7,
    caractérisé en ce que le signal est émis de manière optique, acoustique ou sous la forme de données.
  10. Dispositif d'équilibrage de température selon l'une des revendications 7 à 9,
    caractérisé en ce qu'un dispositif est prévu pour enregistrer les valeurs de consigne, les valeurs réelles et pour enregistrer la nature et les données d'émission des signaux en cas d'écart entre les valeurs réelles et les valeurs de consigne.
  11. Dispositif d'équilibrage de température selon la revendication 7,
    caractérisé en ce que le signal est utilisé pour commander un dispositif de dosage au moyen duquel un ou plusieurs additifs peuvent être ajoutés à l'agent d'équilibrage de température en fonction des valeurs de mesure.
EP03008313A 2002-05-02 2003-04-10 Procédé et dispositif de commande d'un dispositif pour régler la température du liquide mouilleur Revoked EP1359011B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10219443 2002-05-02
DE10219443A DE10219443A1 (de) 2002-05-02 2002-05-02 Verfahren und Vorrichtung zum Betrieb einer Temperiereinrichtung

Publications (3)

Publication Number Publication Date
EP1359011A2 EP1359011A2 (fr) 2003-11-05
EP1359011A3 EP1359011A3 (fr) 2004-05-26
EP1359011B1 true EP1359011B1 (fr) 2005-10-12

Family

ID=28798951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03008313A Revoked EP1359011B1 (fr) 2002-05-02 2003-04-10 Procédé et dispositif de commande d'un dispositif pour régler la température du liquide mouilleur

Country Status (3)

Country Link
EP (1) EP1359011B1 (fr)
AT (1) ATE306394T1 (fr)
DE (2) DE10219443A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2745741B2 (de) * 1976-10-15 1981-04-16 Nikkei Shoji Co., Ltd., Tokyo Verfahren und Vorrichtung zur Regulierung des in nach dem lithographischen Verfahren arbeitenden Druckmaschinen verwendeten Feuchtwassers
FR2431371A1 (fr) * 1978-07-17 1980-02-15 Marinoni Perfectionnements aux cylindre de presses a imprimer
DE3327252A1 (de) * 1983-07-28 1985-02-07 GFD Gerätebau für Druckmaschinen GmbH, 8851 Thierhaupten Alkoholdosiergeraet fuer das feuchtwasser in einer offset-druckmaschine
FR2641733B1 (fr) * 1989-01-13 1993-12-24 Zanon Alain Dispositif pour le controle et la regulation de l'eau de mouillage dans un systeme d'impression offset
DE3904854C1 (fr) * 1989-02-17 1990-04-26 Jagusch & Co, 8649 Wallenfels, De
JP2662828B2 (ja) * 1990-10-25 1997-10-15 富士写真フイルム株式会社 平版印刷用湿し水組成物及び平版印刷方法
DE4442072B4 (de) * 1994-11-25 2005-11-10 Technotrans Ag Anordnung zur Temperierung eines Feuchtmittels und eines Kühlfluids für ausgewählte Walzen einer Druckmaschine
US5694848A (en) * 1996-03-13 1997-12-09 Heidelberger Druckmaschinen Ag Printing unit for water based inks

Also Published As

Publication number Publication date
EP1359011A2 (fr) 2003-11-05
DE10219443A1 (de) 2003-11-20
EP1359011A3 (fr) 2004-05-26
DE50301336D1 (de) 2006-02-23
ATE306394T1 (de) 2005-10-15

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