WO2013097916A1 - Procédé de commande d'au moins un dispositif de façonnage sans format d'une machine de façonnage - Google Patents

Procédé de commande d'au moins un dispositif de façonnage sans format d'une machine de façonnage Download PDF

Info

Publication number
WO2013097916A1
WO2013097916A1 PCT/EP2012/004682 EP2012004682W WO2013097916A1 WO 2013097916 A1 WO2013097916 A1 WO 2013097916A1 EP 2012004682 W EP2012004682 W EP 2012004682W WO 2013097916 A1 WO2013097916 A1 WO 2013097916A1
Authority
WO
WIPO (PCT)
Prior art keywords
processing
transport
unformatted
value
motion control
Prior art date
Application number
PCT/EP2012/004682
Other languages
German (de)
English (en)
Inventor
Stephan Schultze
Holger Schnabel
Mario Goeb
Original Assignee
Robert Bosch 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.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2013097916A1 publication Critical patent/WO2013097916A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/36—Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42—Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles

Definitions

  • the present invention relates to a method for driving at least one format-free processing device of a processing machine and a corresponding
  • analog printing units are used in which the printed image as a complete template or printing form, for example in the form of a printing plate or a cliché, is present.
  • digital printing units are used in which the printed image is generated in a computing unit and then, for example, in the inkjet printing process or in
  • electrophotographic printing process is applied to the material or an image transfer cylinder.
  • digital printing process in particular, the difficulty of the beginning and the inner grid, such as print lines, the printed image with the
  • a donor resolution is selected, which can be converted in a simple manner into the internal processing of the printing works.
  • a printing unit is operated, for example, at 600 dpi (dots per inch)
  • the encoder or the encoder emulation is expedient for the encoder or the encoder emulation to be a multiple or, as is usually the case, a divisor of 600.
  • a sensor resolution of 15 increments per inch can be selected.
  • this can then be increased to 60 increments per inch with a so-called quadruple evaluation.
  • An increase to 600 increments per inch is then typically performed by means of a Phase Locked Loop (PLL).
  • PLL Phase Locked Loop
  • Evaluation of the input of the transmitter is dependent, since this is often carried out in a time-discrete manner.
  • the evaluation of the encoder input is also noisy. Filtering for
  • Pages allows the same mapping between the transferred date and the validity date.
  • the digital printing unit is, for example, a position value via the real-time bus x, so that the digital printing unit can also assign the position value a time t at which this value is valid.
  • the digital printing unit receives exact data x (t). This solution is very accurate, but also expensive to implement. It is desirable to couple a format-free processing device as simple as possible and yet accurate to the transport of the web or the material sheet.
  • Processing device is not associated with a fixed processing length (format) (such as the so-called printing form determines the format in analogue printing machines, for example), but that such as e.g. In digital printing, an almost any processing length can be obtained.
  • a fixed processing length format
  • printing form determines the format in analogue printing machines, for example
  • Machining facilities basically do not have to comply with a highly accurate position reference to the material, but usually the knowledge of the transport speed (ie the speed at which the material is transported relative to the processing device) is sufficient. Real-time positions x (t) must therefore not be known in the processing device. Since even the transport speed usually changes at most relatively slowly, even the knowledge of a real-time transport speed v (t) is not necessary. It is therefore sufficient for a substantially error-free processing when the Machining the current transport speed with simple timing accuracy is known.
  • the transport speed is in the
  • Motion control device motion control, PLC
  • PLC motion control
  • a standard data connection e.g. a "normal”, non-real-time Ethernet connection, off. This is particularly easy and inexpensive to provide.
  • the data connection additionally advantageously offers the possibility of a diagnostic connection.
  • the machining device can be controlled by the motion control device, so that the previously existing need for a superimposed
  • Digital printing unit is set to a material position, this means that it is therefore sufficient here if the digital printing units, the transport speed is known so that they can align the format length of it. Again, since the transport speed usually does not fluctuate very much, a simple digital data transmission, which in particular does not have to be real-time capable, is sufficient here.
  • the printing process i. the imaging of the cylinder in an electrophotographic process in an ink-jet process is directly controlled by the digitally transmitted values.
  • data that serves as the basis for imaging is always transmitted in real time in the case of digital transmission over data networks. In the prior art are often used as
  • Real-time communication systems based on so-called real-time Ethernet-based fieldbuses, e.g. SERCOS III or ProfiNet. Here is on both transmitter and on
  • the receiver side establishes a relationship between the date and the validity date in order to ensure the most accurate processing possible and to minimize rejects or waste.
  • Information in the prior art real-time communication systems becomes information typically transmitted in so-called communication cycles, ie at known and thus predeterminable, in particular equidistant, times. It is known at what time (within the communication cycle) the transmitted data is valid (in the same cycle), valid (in previous cycles) or will be valid (in subsequent cycles). The invention now consciously turns away from this well-established exercise. It has been shown that in the case of format-free processing facilities, the knowledge of a transport speed with a simple temporal accuracy is sufficient for a substantially error-free processing. In the case of a (register-containing) processing of a pre-processed material, a possibly necessary position information, for example, from one to the
  • Machining device connected sensor can be generated.
  • the invention has the additional advantage that, for example, the transport speed for any point in the processing machine is known or can be determined and therefore the processing facilities in particular the transport speed can be transmitted exactly at the location of the processing device.
  • Motion control system to the processing device, in particular a transport speed, but for example. Also a position (e.g., Leitachsposition), a
  • a more accurate speed value can be calculated, especially if an average transmission time from the motion control device to the processing device is known. Such an average transmission time can be measured in particular.
  • a speed change purely binary (“changes", "does not change") can be transmitted, whereby, for example, functionalities can be controlled in the processing device. For example, register control may be disabled during a speed change when dynamically occurring but not stationary
  • the movement control device can
  • Transfer processing equipment This is particularly advantageous since, in some dynamic transients, the web speed is identical before and after the end of the transient, but may be different in the transient (especially by intervening a web tension controller).
  • Transport speed information can also be used in a common
  • Data transmission packet are transmitted so that these data are consistent with each other.
  • one reference speed and more can also be transmitted
  • FIG. 1 shows a format-free formed as a digital printing machine
  • FIG. 1 schematically shows a processing machine 100, which can underlie the present invention.
  • the processing machine 100 is designed as a digital printing press with four digital printing units 110, 120, 130 and 140 as format-free processing devices for a four-color printing.
  • the digital printing works work, for example.
  • a web 101 is transported by driven transport devices 102, 103, 104 through the printing press.
  • the transport devices are clamping points, ie between them, the web 101 is clamped.
  • the transport device 102 is driven at a speed Vi, the transport device 103 at a speed v 2 and the transport device 104 at the speed v 3 .
  • the web moves at the points of the digital printing units with the velocities ⁇ ⁇ , v ⁇ , and v 14 .
  • the speeds v ) 5 v 2 and v 3 are predetermined by a motion control device 160, which is connected thereto, for example, via cable connections to drives (not shown) of the transport devices 102, 103, 104.
  • a web tension control can be implemented in order to regulate the web tension of the web between the transport devices 102, 103, 104.
  • the actual tractive forces can be measured, for example, via load cells or via the drive torques at the transport devices. This is well known in the art.
  • Processing positions in the material flow direction are longitudinal register control devices 180, 181 and 182 provided that the processing positions of the digital printing units 120, 130 and 140 in
  • Reference color controls possible such as regulation of the register deviations yi 4 , y2 4, and y 34 (digital printing unit 140 is reference printing unit, in this case, the
  • Longitudinal register controller 182 correct digital printing unit 110). Furthermore, it would also be possible to register and control the registers as predecessor color control, ie to control the registers y [2 , y 23 , y 3 4.
  • one or more corresponding sensors 170 for example (color) brand sensor, camera
  • the longitudinal register control device 180 adjusts the
  • the longitudinal register control devices 180, 181 and 182 are often implemented in a common arithmetic unit, the so-called register controller.
  • the register controller may, for example, also be implemented in the sensor 170 or in the motion control device 160.
  • the digital printing units 110, 120, 130 and 140 are now connected to the motion control device 160 via a further data connection 190.
  • the further data connection 190 is not real-time capable and preferably as normal
  • the movement control device 160 transmits in the present example, the transport speeds Vn, v 12 , v 13 and v 14 and
  • the web tension or web stretch as the transport characterizing quantities to the respective digital printing units 110, 120, 130 and 140 which set based on the transmitted transport speeds (and optionally web tension or web stretch) substantially the print length and the print grid.
  • the motion control to the processing device, it is also conceivable to transfer data from the processing device to the motion controller, for example, a disturbing influence of the substances applied or removed (color, moisture, material removal, etc.) on the web (in particular by change of the modulus of elasticity).

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Handling Of Sheets (AREA)

Abstract

L'invention concerne un procédé de commande d'au moins un dispositif de façonnage sans format (110, 120, 130, 140) d'une machine (100) servant à façonner un matériau à façonner (101), laquelle machine de façonnage (100) présente au moins un système entraîné (102, 103, 104) pour transporter le matériau à façonner ainsi qu'un dispositif de commande de mouvement (160) associé. Le ou les dispositifs de façonnage sans format (110, 120, 130, 140) sont reliés au dispositif de commande de mouvement (160) par une liaison de données (190) et au moins une valeur (v11, v12, v13, v14) d'une ou plusieurs grandeurs caractérisant le transport est transmise sous forme numérique par le dispositif de commande de mouvement (160), par le biais de la liaison de données (190), au(x) dispositif(s) de façonnage sans format (110, 120, 130, 140) et utilisée pour commander le façonnage dans le ou les dispositifs de façonnage sans format (110, 120, 130, 140), les données n'étant pas transmises en temps réel.
PCT/EP2012/004682 2011-12-31 2012-11-10 Procédé de commande d'au moins un dispositif de façonnage sans format d'une machine de façonnage WO2013097916A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011122744.3 2011-12-31
DE201110122744 DE102011122744A1 (de) 2011-12-31 2011-12-31 Verfahren zum Ansteuern wenigstens einer formatfreien Bearbeitungseinrichtung einer Bearbeitungsmaschine

Publications (1)

Publication Number Publication Date
WO2013097916A1 true WO2013097916A1 (fr) 2013-07-04

Family

ID=47257742

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/004682 WO2013097916A1 (fr) 2011-12-31 2012-11-10 Procédé de commande d'au moins un dispositif de façonnage sans format d'une machine de façonnage

Country Status (2)

Country Link
DE (1) DE102011122744A1 (fr)
WO (1) WO2013097916A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1157837A2 (fr) 2000-05-17 2001-11-28 NexPress Solutions LLC Procédé et dispositif pour la mise en repérage dans une presse multicolor
DE102006009773A1 (de) 2006-03-01 2007-09-06 Eastman Kodak Co. Verfahren zum Vermeiden eines Passerfehlers beim Drucken
DE102010044645A1 (de) 2009-10-16 2011-04-21 Robert Bosch Gmbh Verfahren zum Ansteuern eines Digitaldruckwerks und Digitaldruckmaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010024524A1 (de) * 2010-06-21 2011-12-22 Robert Bosch Gmbh Verfahren zum Ansteuern wenigstens einer mittels eines Gebersignals an eine Bearbeitungsmaschine angekoppelten Bearbeitungseinrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1157837A2 (fr) 2000-05-17 2001-11-28 NexPress Solutions LLC Procédé et dispositif pour la mise en repérage dans une presse multicolor
DE102006009773A1 (de) 2006-03-01 2007-09-06 Eastman Kodak Co. Verfahren zum Vermeiden eines Passerfehlers beim Drucken
DE102010044645A1 (de) 2009-10-16 2011-04-21 Robert Bosch Gmbh Verfahren zum Ansteuern eines Digitaldruckwerks und Digitaldruckmaschine

Also Published As

Publication number Publication date
DE102011122744A1 (de) 2013-07-04

Similar Documents

Publication Publication Date Title
DE10243454C5 (de) Antriebsvorrichtung einer Bearbeitungsmaschine
EP0747214B1 (fr) Méthode et dispositif de commande de plusieurs moteurs d'entraínement d'une machine à imprimer
EP1820650B1 (fr) Commande d'une presse à l'aide d'un modèle de torsion
EP1620266B1 (fr) Procédé d'utilisation de dispositifs pour r gler au moins un registre d'une presse
DE3836310C2 (de) Verfahren zum Einstellen einer Wendeeinrichtung an einer Druckmaschine mit mehreren Druckwerken
EP1745925B2 (fr) Dispositif de contrôle de registre
DE10132266B4 (de) Verfahren zur Regelung des Übergabepassers in einer Bogenrotationsdruckmaschine
DE19903869A1 (de) Antriebssteuerung und Verfahren zur Antriebssteuerung von Bogendruckmaschinen
DE102007049679B4 (de) Markierungssensor und Verfahren zum Auswerten von Markierungen
EP0709184B1 (fr) Dispositif pour éviter des défauts de repérage
EP0917954B1 (fr) Dispositif et procédé pour produire un valeur de référence d'une position individuelle dans un procédé d'impression
DE102005054975B4 (de) Registerregelung bei einer Druckmaschine
EP1531992B1 (fr) Dispositif d'entrainement et procede pour assurer la commande d'une unite d'imprimante
EP2488367B1 (fr) Procede de commande d'un groupe imprimant numerique, et machine a imprimer numerique
EP2397925B1 (fr) Procédé de commande d'au moins un dispositif de traitement couplé à une machine de traitement à l'aide d'un signal de capteur
WO2013097916A1 (fr) Procédé de commande d'au moins un dispositif de façonnage sans format d'une machine de façonnage
DE102004031508A1 (de) Verfahren zur Korrektur von Passerdifferenzen
EP0692377B2 (fr) Procédé et dispositif pour l'entraînement synchrone de composants d'une machine d'impression
DE19520918C2 (de) Steuerung für eine Druckmaschine
DE10339655A1 (de) Verfahren zur Kompensation von Passerdifferenzen beim Betreiben einer Druckmaschine
EP1882588A2 (fr) Procédé destiné au fonctionnement d'une presse d'impression sur feuilles
EP1156382B1 (fr) Méthode et appareil pour l'ajustement de registre dans une imprimante couleur
DE10318571B4 (de) Verfahren zum Betreiben einer Register-Verstelleinrichtung in einer Offset-Druckmaschine
DE19806141A1 (de) Steuerung für eine Druckmaschine
EP1615774B1 (fr) Presse et procede pour faire fonctionner une presse

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12791696

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 12791696

Country of ref document: EP

Kind code of ref document: A1