EP2098369B1 - Procédé de fonctionnement d'une imprimante comprenant plusieurs unités d'impression - Google Patents

Procédé de fonctionnement d'une imprimante comprenant plusieurs unités d'impression Download PDF

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Publication number
EP2098369B1
EP2098369B1 EP09153398A EP09153398A EP2098369B1 EP 2098369 B1 EP2098369 B1 EP 2098369B1 EP 09153398 A EP09153398 A EP 09153398A EP 09153398 A EP09153398 A EP 09153398A EP 2098369 B1 EP2098369 B1 EP 2098369B1
Authority
EP
European Patent Office
Prior art keywords
running
printing
material web
control unit
disturbed
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.)
Not-in-force
Application number
EP09153398A
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German (de)
English (en)
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EP2098369A2 (fr
EP2098369A3 (fr
Inventor
Volker Rauh
Jürgen Hüblein
Nikolaus Markert
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.)
Koenig and Bauer AG
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Koenig and Bauer 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
Priority claimed from DE200810000526 external-priority patent/DE102008000526A1/de
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP2098369A2 publication Critical patent/EP2098369A2/fr
Publication of EP2098369A3 publication Critical patent/EP2098369A3/fr
Application granted granted Critical
Publication of EP2098369B1 publication Critical patent/EP2098369B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • B65H26/025—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs responsive to web breakage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/18—Web break detection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a method for operating a printing machine having a plurality of printing units according to the preamble of claim 1.
  • DE 197 22 243 A1 is a drive of a rotary printing machine for multi-track operation with each on the moving individual tracks prior to merging for common further processing a tensile force exerting, separately driven assemblies known, these assemblies provided by one or more equipped with a speed control for a first braking process depending on a web tension motors are, each motor of the endangered by a web break of the individual train assemblies is additionally designed with a speed control for a second braking independent of the web tension with respect to the first braking process greater braking deceleration.
  • one method of preventing the possibility of breakage of a web in a rotary printing machine for printing multiple (paper) webs results in breakage of another web, wherein when a web break signal from one of a plurality of web break sensors is used to detect a web break Bruchs one of the continuous webs are provided is issued, transferred in accordance with the number of still intact, continuous webs modified or modified clamping pressure signal to the individual Klemmdruckreglern and thus to prevent a follow-up break other webs the clamping pressures of a pressure roller for a folder tensioning or -Zugzylinder and clamping rollers can be reduced.
  • the cylinders are associated with a plurality of drive motors which are synchronized by means of an associated control means and wherein the drive motors in the event of a web break at least within a few revolutions jerky until be slowed to a standstill.
  • a device for detecting a running disturbance in a moving material web wherein the device has a sensor and a material web leading cylinder.
  • the device is arranged in a printing machine, wherein the material web passes through a pressure gap between two cooperating cylinders.
  • the material web begins to loop around one of the two cylinders from an exit of the printing nip, with a regular material web path and a faulty material web path enclosing an acute opening angle with one another.
  • the wrapping of the cylinder with the Material web is detected by the sensor.
  • the invention has for its object to provide a method for operating a plurality of printing units having printing machine, with which an affected by a winder body of rotation, preferably a transfer cylinder in a printing unit of the printing press, is brought to a standstill in a very short time.
  • the advantages which can be achieved with the invention are, in particular, that a running disturbance which has occurred in a printing machine on a moving material web is accelerated, that is to say in the case of a running web. H. is detected with the least possible delay.
  • This advantage results from the fact that a running disturbance in the form of a winder, in particular pull-back winder, is detected directly at the place of its formation. A risk of damage to the printing press can therefore be minimized effectively by a rapid introduction of protective measures. Because the damage potential in the printing press is limited by the fact that the material web length affected by the running disturbance is kept very short. Moreover, at least the affected by a winder rotation body, z.
  • the solution found is also robust and does not affect their function by unavoidable in the printing machine sources of dirt such as paint mist or dust.
  • the device which detects the running disturbance on a material web is suitable for material webs of different widths used in the same printing machine without any change, in particular without a change in its structural design.
  • Fig. 1 shows an example of a printing press in a side view.
  • the printing press is one of several, z. B. two separately operable sections 01; 02 existing pressure system formed, wherein in each of these sections 01; 02 independently, ie independent of the other section 01; 02, one each Production for the production of a printed product is executable. At least one of these sections 01; 02, but preferably each of these sections 01; 02 has several, z. B. each five arranged in a row printing towers 03 and a folder 04 on.
  • a plurality of pasters 06 are provided, of which each wound on a roll 08 web 07, in particular a paper web 07, unwindable and one of the printing towers 03 can be fed.
  • the one of the printing towers 03 fed from one of the roll changer 06 web 07 passes through the respective printing tower 03 substantially vertically, wherein in each of the printing towers 03 is a running direction or transport direction of the web 07 is directed from bottom to top.
  • the relevant material web 07 can be passed, if required, in particular depending on the type of printing inks used, by a dryer 09 and a dryer 09 in the running direction of the web 07 downstream, a plurality of cooling rollers having cooling roller stand 19 before this material web 07 of the respective section 01; 02 associated folding apparatus 04 is supplied.
  • the printing system exemplified is therefore suitable for use of both coldset inks and heatset inks.
  • Strichliert or only schematically illustrated printing towers 03, dryer 09 and chill roll stand 19 provide in the Fig. 1 as well as in subsequent figures each optional extensions of the printing system.
  • For the production of a printed product at least one of the printing towers 03 with an associated him roll changer 06 and a folder 04 in operation.
  • the printing machine is z. B. used in newspaper printing.
  • a new, one of the reel changer 06 supplied roller 08 has z. B. a diameter between 1200 mm and 1,300 mm.
  • a width of the web 07 may, for. B. between 600 mm and 1,000 mm.
  • Each of the printing towers 03 has in the in the Fig. 1 Example shown two superimposed printing units 11; 12 (cf. Fig. 2 or 3 ), z. B. in the form of H-pressure units 11; 12, with two each for a double-sided printing of the material web 07 suitable pressure points. In each of the printing towers 03 are thus provided on both sides of the web 07 each two double printing units with a total of four pressure points.
  • the printing machine is z. B. as a in an offset printing process, in particular in a wet offset printing printing printing machine, wherein at each pressure point two each z. B. occupied with at least one blanket transfer cylinder 13; 14 hired against each other or at least be set.
  • Each of the transfer cylinders 13; 14 acts with an associated form cylinder 16; 17 together, each of the forme cylinder 16; 17 is occupied in each case with at least one printing plate or at least assignable.
  • the Fig. 2 shows an overview of an arrangement for controlling arranged in the section 01 drives; the Fig. 3 shows an overview of an arrangement for controlling arranged in the section 02 drives.
  • each printing unit 11; 12 of each of the printing towers 03 at least one of the local transfer cylinder 13; 14 and forme cylinder 16; 17 driving drive 18, z. B. an electric motor 18, in particular a speed-controlled by a controller and position-controlled electric motor 18 is provided.
  • an electric motor 18, in particular a speed-controlled by a controller and position-controlled electric motor 18 is provided in the in the Fig. 2 and 3 illustrated example of one for the relevant printing unit 11; 12 central drive 18 whose torque z. B. via a gear (not shown) on the in the relevant printing unit 11; 12 arranged transfer cylinder 13; 14 and / or forme cylinder 16; 17 transferable.
  • the in the respective printing unit 11; 12 arranged transfer cylinder 13; 14 and forme cylinder 16; 17 can in another drive variant also z. B. each be equipped with individual drives.
  • the Fig. 2 and 3 are to be controlled or regulated drives each represented by a motor symbol.
  • the respective roll changer 06 and web guide elements such.
  • an inking unit and / or a dampening unit, in particular an anilox roller of the respective inking unit is exemplary in the Fig. 8 shown.
  • the Fig. 8 also shows deflection rollers 69 for the guidance of the relevant web 07 and the respective form of cylinders 16; 17 associated, z. B. each formed as a magazine plate feeders 71st
  • the Fig. 2 and 3 also show networks, in particular data networks, which are arranged in the printing press or effective with respect to the printing press electronic components, eg. B. on the drives acting control units and / or regulators with each other and allow a preferably bidirectional data exchange between these components.
  • each section 01; 02 there is a first network 21, the section network 21, with a section control unit 22 which centrally controls the data traffic in this section network 21, which on the basis of production data available to them the printing towers 03, reel changers 06 and the respective folding device 04 of the printing press required for the production of the respective printed product selects and then also by a deducted by their activation signal in operation and by another control command also out of service.
  • the section control units 22 of different sections 01; 02 can be related to each other in terms of data technology, which in the Fig. 2 and 3 each through a sideways pointing arrow is indicated. Also, the respective section control unit 22 of the respective sections 01; 02 diverse auxiliary equipment be connected, what in the Fig. 2 and 3 each indicated by a dashed arrow.
  • the section network 21 may, for. B. be formed in Ethernet technology.
  • the in the respective sections 01; 02 as a parent, central control unit acting section control unit 22 is preferably connected to a second network 23, z. B. connected to another Ethernet network 23, which primarily serves the data exchange between computers arranged outside the printing press.
  • Each section 01; 02 has one or more, z. B. two machine control panels 24 each with at least one control unit and at least one display device, wherein the machine control stations 24 are in turn connected to the first network 21 and the Ethernet network 23.
  • a printer 34 in particular a network printer 34 may be connected for data output.
  • At the section network 21 are also at least the respective control unit 26 of each reel changer 06, the respective control unit 27 of each printing unit 11; 12, the respective control unit 28 of each folder 04, the respective control unit 29 of each dryer 09 and the respective control unit 31 of each chill roll stand 19 are connected.
  • Each of these aforementioned control units 26; 27; 28; 29; 31 is z. B. as a programmable logic controller (PLC) and each connected via a wired or wireless data interface at least to the section network 21.
  • PLC programmable logic controller
  • the printing units 11; 12, reel changer 06, folders 04, dryer 09 and chill roll stand 19 each form a mostly manufactured separately at the printing press manufacturer module of the printing system exemplified.
  • the individual modules of the printing system associated control units 26; 27; 28; 29; 31 may each be connected to a higher-level drive control unit 39, which Drives, in particular drives 18 of printing cylinder 13; 14; 16; 17, z. B. in a group of along the transport path of a web 07 cooperating modules of the printing system coordinately controls.
  • the drive control unit 39 or more of these drive control units 39 are in turn each incorporated into a further, third network 32, wherein this further, third network 32 z. B. is designed as a SERCOS network 32.
  • the drive control unit 39 coordinating the respective drive control in a group of modules of the pressure system is connected to at least one further control unit or a further controller which takes over the actual control or regulation of at least one drive 18 arranged in the respective module.
  • At least one of the drive control units 39 connected in the SERCOS network 32 is also connected to the section network 21 in terms of data, so that a data flow in the SERCOS network 32 is determined by the respective section 01; 02 relevant section control unit 22 can be influenced.
  • the respective control units and / or regulators of the respective drive of a plurality of other arranged in the printing press, but not directly belonging to one of the aforementioned modules, driven Rotationsgroper, in particular rollers 58, z. B. draw rollers 58, and / or cylinders z. B. be connected in an infeed 59 or in the superstructure of the printing press ( Fig. 7 ).
  • a certain data flow mediated in the SERCOS network 32 forms a leading axis in the printing machine, the specifications of which are provided by various drives arranged in the printing press, in particular drives 18 of printing unit cylinders 13; 14; 16; 17, follow.
  • This master axis is also called a virtual machine master axis.
  • the digital signals of the leading axis give z. B., which rotary body 13; 14; 16; 17, in particular printing cylinder 13; 14; 16; 17, along which a transport path of a specific material web 07 is to rotate at which rotational speed and in which angular position the rotational bodies 13, which are involved in the current printing process; 14; 16; 17 should behave in their respective rotation to each other.
  • the SERCOS network 32 is z. B. as a line system of optical fibers and z. In a ring topology educated.
  • a fourth network 33, a service and / or diagnostic network 33 can be provided in the printing press, which is connected in particular to the control units and / or regulators for controlling drives arranged in the respective modules.
  • a connection to the service and / or diagnostic network 33, the section network 21 or the second network 23 can be made or at least produced. It may also preferably be in each section 01; 02 z. B. connected to both the section network 21 and the second network 23 connected computer or PC 37 as an information of the section control unit 22 making information system.
  • a fifth network 38, z. B. a CAN bus 38 may be provided on which data z. B. between optionally available additional units 66 are interchangeable, such. B. a Brukanten- or Bahnstoffregel Surprise 66th
  • a rotational speed of these rotary bodies 13; 14 can then z. B. between 35,000 and 50,000 revolutions per hour or even higher, z. At 70,000 revolutions per hour.
  • Printing cylinder 13; 14 in particular transfer cylinder 13; 14, which have said small diameter and thus a small circumferential length in the range between 500 mm and 750 mm, are also referred to as a single-circumferential cylinder, because in their circumferential direction in each case only a single printed image, z. B. a newspaper page, on the substrate, ie the web 07 transmitted.
  • the transfer cylinder 13; 14 wraps around, it is called a retraction winder.
  • the length of the web 07, which is after a web break around one of the transfer cylinder 13; 14 can wrap, minimize. For this an immediate recognition of the web break is of great importance.
  • the material web 07 is therefore on its transport path through a pressure nip between two rotating bodies 13 rolling on each other; Led this press 14, wherein the transport path of disturbed in their course web 07 at the related to a transport direction of the web 07 output of the pressure nip of the two rotating body 13 rotating one another; 14 with respect to their undisturbed transport to one of the rotary body 13; 14 directed angle ⁇ ; ⁇ is pivotable ( Fig. 5 ).
  • the transport direction of the disturbed in their course web 07 is after the web break in the direction of rotation of that rotational body 13; Directed 14, to which their transport path is pivoted.
  • the respective direction of rotation of the rotary body 13; 14 is in the Fig.
  • the solution found is characterized in that a preferably electronic switching device 53 is provided, with which the transport path of disturbed in their course material web 07 and thus indirectly the running disturbance can be detected as such.
  • the switching device 53 is actuated by the disturbed in their course material web 07 by their contact with an operating element 41, wherein the actuating element 41 z. B. is formed as a pivot lever 41 or at least one pivot lever 41 has.
  • the pivot lever 41 is connected to a parallel to the axis of rotation 42; 43 of the rotary body 13; 14 directed axis of rotation 44, z. B. one over a length I13 ( Fig. 6 ) the rotary body 13; 14 extending spindle 44, z. B. rotatably mounted in bearings 49.
  • the pivot lever 41 has a first lever arm 46, which can be brought into contact with the material web 07 into contact with the contact surface, and a distance c; d from an effective surface 56 a sensor 48 detectable second lever arm 47 ( Fig. 5 ), wherein this second lever arm 47 is designed in the form of a rotatable, in comparison to the first lever arm 46 in its dimensions smaller, in particular shorter blade.
  • At least the first lever arm 46 of the pivot lever 41 is in a region close to the output of the pressure nip of the two rotating body 13 rolling on each other; 14, wherein this area is selected such that a disturbed in their course material web 07 forcibly passes through this area.
  • Both lever arms 46; 47 of the same pivot lever 41 are rotatably mounted in a rigid relationship to each other about the same axis of rotation 44.
  • FIG. 6 shows in its plan view of the device for detecting a disturbed in their course material web 07, the second lever arm 47 of the pivot lever 41 in the axial direction of the rotary body 13; 14 laterally offset to the undisturbed transport path of the material web 07 is arranged, wherein the rotation axis 44 at least at one of its ends relative to the length I13 of the rotational body 13; 14 is extended.
  • the second lever arm 47 of the pivot lever 41 and the undisturbed transport path of the web 07 are separated by a frame wall 51 of the printing press, so that the axis of rotation 44 of the pivot lever 41 penetrates the frame wall 51 of the printing press through an opening.
  • the width b07 of the rotational bodies 13; 14 guided material web 07 is z. B. in the range between 600 mm and 1,000 mm, preferably at 700 mm.
  • the first lever arm 46 of the pivot lever 41 has at its the rotational body 13; 14 facing end z. B. facing away from the undisturbed transport path of the material web 07 rounding, wherein the disturbed in their course web 07 after a running disorder, especially after a web break, inevitably at this rounding due to the arrangement of this first lever arm 46 at the output of the pressure nip of the two rolling on each other Rotating body 13; 14 is guided.
  • By the between the first lever arm 46 of the pivot lever 41 and the disturbed in their course web 07 of the pivot lever 41 is preferably against the resistance of a z. B. offset by means of at least one spring element realized restoring moment in a rotational movement, wherein the pivot lever 41 is pivoted from its rest position to a detectable working position.
  • the first lever arm 46 of the pivot lever 41 is z.
  • a rotational movement of the pivot lever 41 limiting stop 52 is provided, said stop 52 z.
  • the rotary body 13; 14 extending round part can be formed.
  • both sides of the undisturbed transport path of the web 07 each have a switching device 53 actuated actuator 41 z. B. is arranged in each case in the form of a pivot lever 41.
  • the axis of rotation 44 of the pivot lever 41 is close to that of the opposing rotational bodies 13; 14 formed pressure nip in the transport direction of undisturbed in their course web 07 at a distance a; b from the rotation axis 42; 43 of the rotary body 13; 14 arranged, wherein this the proximity of at least the first lever arm 46 of the pivot lever 41 to the pressure nip of the two rolling bodies 13 rolling on each other; 14 determining distance a; b z. B. in the range between 100 mm and 300 mm ( Fig. 5 ).
  • the control signal 54 may, for. B. be formed as a voltage signal with a level of 24 VDC.
  • the operating state of the detection of a disturbed in their course material web 07 is in the Fig. 5 by each one around the associated Rotary axis 44 pivoted, each shown on the associated stop 52 abutting pivot lever 41, wherein the respective direction of rotation or pivoting direction is indicated in each case by a directional arrow. Even if in the Fig.
  • the pivoting of the pivot lever 41 is shown on both sides of undisturbed in their course web 07, it is understood that only one of the two pivot lever 41 is actuated by a disturbed in their course material web 07 at the same time, so that disturbed in their course Web of material 07 in its transport direction in the direction of rotation of that rotational body 13; 14 is directed to their transport path to the deflected relative to their undisturbed transport angle ⁇ ; ⁇ is pivoted.
  • the angle ⁇ ; ⁇ is z. B. in the range between 5 ° and 45 °, preferably between 15 ° and 30 °.
  • the z. B. arranged in or on a frame wall 51 of the printing press sensor 48 of the actuating element 41 has a directed to the pivot lever 41 effective surface 56, z. B. an inductive, capacitive or optical active surface 56, wherein the sensor 48, a distance c; d of the pivot lever 41, ie in particular of the second lever arm 47, of the active surface 56 of the sensor 48 can be detected, wherein z. B. on the switching device 53 a from the distance c; d of the pivot lever 41 of the active surface 56 of the sensor 48 dependent switching time of this switching device 53 is adjustable.
  • the sensor 48 preferably has a distance range or distance range in which it switches, whereby then the switching time is fixed.
  • the switching device 53 triggers the control signal 54.
  • the switching device 53 triggers the control signal 54 preferably when the distance c; d of the pivot lever 41 of the active surface 56 of the sensor 48 is greater than zero, ie if the previously during the undisturbed run of the web 07 on the active surface 56 of the sensor 48 resting or there adjacent second lever arm 47 of the pivot lever 41 of just this effective surface 56th removed from the sensor 48 or at least exceeds a predetermined maximum distance measure.
  • the sensor 48 is z. B. formed as an inductive or capacitive proximity switch.
  • the sensor 48 could, for. B. also an ultrasound be used proximity switch.
  • the Entfemungs Council in which the sensor 48 in conjunction with the switching device 53, the control signal 54 triggers, is preferably parameterized. This distance range is in the range of a few millimeters, z. B. less than 10 mm, preferably less than 5 mm.
  • control signal 54 actuates z. B. one the two successive rolling body of revolution 13; 14 facing each other drive (not shown), the z. B. as a hydraulic actuator, in particular in conjunction with a piston control of a working cylinder is formed.
  • the control signal 54 can also activate a cutting device 67 with which that part of the material web 07 which has disturbed its course and has passed through the printing gap can be separated from the part of this material web 07 following it.
  • the cutting device 67 is preferably arranged in the transport direction of the undisturbed web of material 07 spatially before its entry into the printing nip. Along the transport path of the web 07 further cutting means 67 may be provided, so even after the outlet of the web 07 from the nip in one of the printing units 11; 12th
  • the control signal 54 is a braking device 57 (FIG. Fig. 7 ) operated, with which at least that of the two rolling bodies 13 rolling on each other; 14 can be braked, in the direction of rotation, the transport direction of disturbed in their course web 07 is directed.
  • the braking device 57 is that rotational body 13; 14 braked to its standstill, in the direction of rotation, the transport direction of the disturbed in their course web 07 is directed.
  • the preferably controlled by a controller braking device 57 brings a threatened by a winder rotating body 13; 14 starting from the maximum speed z. B. within 3 to 4 seconds or even within 2 seconds to a standstill, whereas a conventional stop an undisturbed in their course web 07 a duration of z.
  • the braking device 57 takes 10 to 12 seconds. An actual required braking time is of course dependent on the speed that the relevant rotational body 13; 14 at the time of initiation of its deceleration.
  • the braking device 57 is preferably in connection with the rotational body 13 threatened by a winder; 14 driving drive 18 and its controller realized. In a particularly preferred embodiment, the braking device 57 is realized in conjunction with the associated controller of the relevant drive 18 by one of the motor mode opposite, generating mode of this drive 18, wherein the control signal 54 causes the controller, the drive 18 of the motor mode in to switch its regenerative mode.
  • the switching device 53 of the above-described device for detecting a disordered in their course material web 07 is indirectly or directly preferably with at least one of the aforementioned networks 21; 23; 32; 33; 38 connected, ie with the section network 21 and / or with the second network 23 and / or with the SERCOS network 32 and / or with the service and / or diagnostic network 33 and / or the CAN bus 38, so that from the switching device 53 remote control signal 54 via at least one of these networks 21; 23; 32; 33; 38, in particular via the section network 21 and the SERCOS network 32, to at least one of the printing units 11; 12 arranged drives 18 and / or can be conducted to another control unit to there further actions, eg. As control operations or control operations to trigger.
  • the switching device 53 conducts Control signal 54 after the detection of a running fault to one of the drives 18 of the respective printing unit 11; 12 controlling control units 27, wherein at least this control unit 27 is connected to the section network 21.
  • this control unit 27 sets a signal via the section network 21 to the respective section 01; 02 associated section control unit 22 from.
  • the section control unit 22 switches, by means of a control command likewise transmitted via the section network 21, to a drive control unit 39, which drives the drives 18 in the direction corresponding to the respective section 01; 02 associated printing towers 03, in which the running disturbance has been detected on the basis of the data forming the Maschinenleitachse data flow in the SERCOS network 32 controls, in a detected the detected running disturbance, designated as rapid stop operating mode, said drive control unit 39 in their detected Running disturbance taking into account operating mode via a to the respective printing unit 11; 12 associated control unit 27 causes signal that along the transport path of disturbed in their course material web 07 drives 18 are stopped.
  • the operating mode taking into consideration the detected running disturbance differs from the operating mode that this drive control unit 39 performed before the detection of the running disturbance.
  • the mode of operation preceding the detection of the running disturbance is, in particular, an operating mode used in an ongoing production of the printing press.
  • the detected running disturbance mode of operation of the drive control unit 39 is different from the normal stop and stop modes in the timing with which the printing machine stops its drives 18 involved in the current production.
  • the one particular Operating mode underlying timing is preferably parameterized, z. B. in the drive control unit 39.
  • the timing of the drives 18 of the printing machine to a halting mode follows z. B. a ramp function.
  • each of the printing towers 03 of the printing press but also z. B. for each folder 04 and for each at least one former 64 motorized positioning device and / or for belonging to one of the infeed 59 drives ( Fig. 7 ) each having its own connected to the SERCOS network 32 drive control unit 39 is provided, wherein at least one of these arranged in the SERCOS network 32 drive control units 39 has a connection to the section network 21.
  • Each of the drives of one of the modules of the printing press controlling drive control units 39 are preferably connected to the service and / or diagnostic network 33, respectively.
  • the section network 21 controls, on the basis of the production control unit 22 present production data coordinating the required for the production of the respective printed product movements in one of the sections 01; 02 of the printing press.
  • the with the section network 21 of the respective section 01; 02 in the data exchange drive control units 39 control on the basis of data of the machine master axis motion sequences either in a single module involved in the production of the printing press, these modules z.
  • the reel changer 06, the folder 04 or the infeed 59 are, or they control movements in a group of along the transport path of a web 07 cooperating modules such as together a printing tower 03 forming printing units 11; 12.
  • controllers are preferably each provided, which in turn each set at least one of these drives in its respective movement behavior.
  • FIG. 7 is again shown in a schematic, highly simplified drawing of one of the printing towers 03 of the printing press, wherein a web of rolls 07 unwound from a roll 08 held by a roll changer 06 projects these two printing units 11 arranged vertically one above the other; 12 having printing tower 03 in an ongoing production of the printing press with a high transport speed of z. B. more than 10 m / s vertically from bottom to top, which is indicated by a directional arrow. In the transport direction of the web 07 is located between the paster 06 and the first, lower pressure unit 12 of the printing tower 03 z. B. an infeed 59.
  • Between the two superimposed pressure units 11; 12 may be an image path controller 61 to compensate for a material web 07 occurred undesirable transverse strain, z. As a fan-out effect, be arranged.
  • a pair of pull rollers 58 which pull the web 07 through the printing tower 03, wherein between the last nip of the second, upper printing unit 12 of the printing tower 03 and downstream in the transport direction of the web 07 pull rollers 58 for the web 07 a route with a Length of z. B. may be 40 m.
  • At the transport direction of the web 07 related to the output of the printing nip of two successive rolling transfer cylinders 13; 14 of the upper printing unit 12 of the printing tower 03 is based on the 4 to 6 described device for detecting a disturbed in their course material web 07, which in the Fig. 7 is indicated by a representation of belonging to this device, preferably on both sides of the web 07 arranged actuating elements 41.
  • a cutting device 67, z. B. a knockout 67 is arranged, which is associated with him and at least one of the networks 21; 23; 32; 33; 38 connected control unit, z. B. a programmable logic controller (PLC), triggered by the switching device 53 of the device for detecting a disturbed in their course web 07 control signal 54, can be actuated.
  • PLC programmable logic controller
  • upper pressure unit 12 of the printing tower 03 is preferably on both sides of the web 07 z.
  • at least one respective register head 62 for performing a preferably automatic color register control for printed on the web 07 printed images.
  • a means for cutting register control and at least one further cutting device for. B. a discount knife may be provided (each not shown).
  • a plurality of transverse to the transport direction juxtaposed photocells 63 are provided at one or more points along the transport path of the web 07, which check the presence of the material web 07 and in the absence of the web 07 during an ongoing production a signal z. B. settle directly or indirectly to the section control unit 22.
  • One of these photocells 63 is in particular at the outlet of the web 07 from the respective printing unit 11; 12 and / or arranged from the respective printing tower 03.
  • a drive (not shown) is activated at the same time, the two successive rolling transfer cylinder 13; 14 off each other.
  • this pressure shutdown of the transfer cylinder 13; 14 may go hand in hand with those with these transfer cylinders 13; 14 cooperating form cylinder 16; 17 employed applicator rolls z.
  • B. an inking unit and / or a dampening unit of these cylinders 16; 17 are turned off.
  • each of the printing towers participating in this printing process 03 each have at least one of the 4 to 6 described device for detecting a disturbed in their course web 07 according to the in the Fig. 7 arranged example.
  • the respective switching device 53 of one of these devices for detecting a disturbed in their course of material web 07 her a running noise indicating control signal 54 to at least one of the networks existing in this printing machine 21; 23; 32; 33; 38, preferably deposited directly or indirectly to the section control unit 22, the along the transport path of disturbed in their course material web 07 rotating body 13; 14 braked by means of at least one preferably controlled by a controller brake device 57 by activating its maximum possible controller power in a quick stop to their respective standstill, the activation of the braking device 57 directly or indirectly by one of the section control unit 22 coming Control command occurs.
  • the braking device 57, the z in a associated drive 18 z. B. to the driving electromagnetic field generates an opposing field may be formed integrally in a belonging to the respective drive 18 controller.
  • the rapid stop is preferably accompanied by the fact that along the transport path of disturbed in their course material web 07 rotating body 13; 14 from the participating in the current production of the printing press units 11; 12 valid, provided in the SERCOS network 32 electronic machine control axis are disengaged.
  • At least one drive 18 which arranges at least one of the material webs 07 disturbed along its path of travel, as the transfer cylinder 13; 14 formed rotational body 13; 14 rotationally drives, from the transfer cylinder 13 involved in all ongoing production; Disconnected 14 valid machine guide, ie separated by a drive 18 controlling data flow of this machine master, the machine master axis by a preferably digital, z. B. mediated via the SERCOS network 32 data flow is formed, this data flow contains information about which angular position or angular position involved in the current production of rotational body 13; 14 should behave relative to each other.
  • the running interference of one of the webs of material 07 is detected in each case with an operating element 41 having switching device 53, wherein a control signal 54 is triggered by the switching device 53 by a contact contact of the disturbed in their course material web 07 with the actuating element 41.
  • the control signal 54 of the switching device 53 is on at least one existing in the printing machine, preferably electrical data switching network 21; 23; 32; 33; 38, preferably given to the section network 21.
  • the respective drives 18 of the transfer cylinder 13 involved in the current production; 14 and the controls of their respective braking device 57 are controlled by on one of the existing in the printing press networks 21; 23; 32; 33; 38 transported data controlled, in particular by data on the SERCOS network 32.
  • the selective deceleration of transfer cylinders 13 involved in an ongoing production; 14 described method can be extended to the effect that at a detected malfunction, especially in a web break, alternatively or additionally, at least one other or further participating in the transport and / or processing of the respective web 07 rotational body selectively and in the rest, in the same Printing press arranged rotational bodies is braked various ways.
  • an inking unit and / or a dampening unit, in particular an anilox roller 68 of the respective inking unit, individually or together with other bodies of revolution individually and thus in comparison to corresponding units in another printing unit 11; 12 of the printing system are delayed differently.
  • various groups of aggregates can be formed in the printing plant, which in comparison to corresponding groups of aggregates in another printing unit 11; 12 delayed differently.
  • the respective deceleration in the event of a recognized malfunction, in particular in the case of a web break, z. B. be braked with the maximum allowable for the group in question delay.
  • This is followed by all drives in the relevant printing unit 11; 12 or the respective printing tower 03 each of their own, individual, preferably maximum, set by the respective ramp function deceleration ramp, wherein the realizable by the selective deceleration for each rotational body delay is greater than one to the respective printing unit 11; 12 or the respective printing tower 03 related total delay.

Claims (19)

  1. Procédé pour le fonctionnement d'une machine d'impression équipée de plusieurs unités d'impression (11 ; 12), respectivement une bande de matériau (07) étant imprimée en même temps dans au moins deux de ces unités d'impression (11 ; 12), lesdites bandes de matériau (07) étant différentes l'une de l'autre, respectivement au moins un corps rotatif (13 ; 14) tourne le long de la voie de transport de ces bandes de matériau (07) pendant une production en cours dans la machine d'impression, lesdits corps rotatifs (13 ; 14) étant freinés jusqu'à leur immobilisation en fonction d'un dérèglement détecté sur le défilement d'au moins une des bandes de matériau (07) pendant son défilement à travers son unité d'impression (11 ; 12) respective, ledit au moins un corps rotatif (13 ; 14), disposé le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée, est freiné jusqu'à son immobilisation plus rapidement que ledit au moins un corps rotatif (13 ; 14), disposé le long de la voie de transport de l'autre bande de matériau (07) défilant correctement, au moins un des corps rotatifs (13 ; 14), disposés le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée, est freiné par un dispositif de freinage (57) régulé par un régulateur, caractérisé en ce qu'au moins un système d'entraînement (18), qui actionne au moins un corps rotatif (13 ; 14) disposé le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée, est commandé dans sa vitesse de rotation et sa position angulaire, par rapport à au moins un autre corps rotatif (13 ; 14) disposé le long de la voie de transport de la même bande de matériau (07), à l'appui de données transmises via au moins un réseau (21 ; 23 ; 32 ; 33 ; 38), lesdites données étant prélevées dans un flux de données transmis via le réseau (21 ; 23 ; 32 ; 33 ; 38) concerné et formant un axe de guidage de la machine, ledit flux de données, formant un axe de guidage de la machine, commande plusieurs des corps rotatifs (13 ; 14), participant à la production en cours, dans leur comportement de mouvement des uns par rapport aux autres, ledit au moins un système d'entraînement (18), qui actionne au moins un corps rotatif (13 ; 14) disposé le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée, étant séparé de l'axe de guidage de la machine.
  2. Procédé selon la revendication 1, caractérisé en ce que les bandes de matériau (07), après leur défilement à travers leur unité d'impression (11 ; 12) respective, sont traitées dans un faisceau commun dans une même plieuse (04).
  3. Procédé selon la revendication 2, caractérisé en ce que le dérèglement du défilement d'au moins une des bandes de matériau (07) le long de sa voie de transport est détecté avant que ladite bande de matériau atteigne la plieuse (04) concernée.
  4. Procédé selon la revendication 1, caractérisé en ce qu'au moins les systèmes d'entraînement (18) respectifs des corps rotatifs (13 ; 14), participant à la production en cours et réalisés chacun sous la forme d'un cylindre de transfert (13 ; 14), sont commandés à l'appui des données de l'axe de guidage de la machine.
  5. Procédé selon la revendication 1, caractérisé en ce que ledit au moins un corps rotatif (13 ; 14), disposé le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée, est freiné par le dispositif de freinage (57) avec une puissance si possible maximale du régulateur.
  6. Procédé selon la revendication 1, caractérisé en ce que le dérèglement du défilement de l'une des bandes de matériau (07) le long de la voie de transport est détecté dans chaque cas par un commutateur (53), ledit commutateur (53) déclenchant un signal de commande (54) lorsqu'il détecte le dérèglement.
  7. Procédé selon la revendication 6, caractérisé en ce que le signal de commande (54) ordonne au régulateur de commuter le système d'entraînement (18) de son mode de fonctionnement commandé par un moteur dans son mode de fonctionnement commandé par un générateur.
  8. Procédé selon la revendication 6, caractérisé en ce que le signal de commande (54) du commutateur (53) est délivré sur au moins un des réseaux (21 ; 23 ; 32 ; 33 ; 38) existants dans la machine d'impression et fournissant les données.
  9. Procédé selon la revendication 6, caractérisé en ce que le signal de commande (54) du commutateur (53) active un dispositif de coupe (67), par lequel la partie de la bande de matériau (07) défilant de manière déréglée, qui a défilé à travers la fente d'impression, est sectionnée de la partie consécutive de ladite bande de matériau (07).
  10. Procédé selon la revendication 1, caractérisé en ce que le dispositif de freinage (57), qui freine ledit au moins un corps rotatif (13 ; 14) disposé le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée, est activé par le signal de commande (54) du commutateur (53) détectant le dérèglement concerné.
  11. Procédé selon la revendication 1, caractérisé en ce que le régulateur du dispositif de freinage (57), qui freine ledit au moins un corps rotatif (13 ; 14) disposé le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée, est relié à au moins un des réseaux (21 ; 23 ; 32 ; 33 ; 38).
  12. Procédé selon la revendication 1, caractérisé en ce qu'il est mis en oeuvre dans une machine d'impression comportant plusieurs sections (01 ; 02), le signal de commande (54) du commutateur (53) étant transmis directement ou indirectement vers une unité de commande de section (22) faisant partie de l'une des sections (01 ; 02).
  13. Procédé selon la revendication 12, caractérisé en ce qu'au moins une unité de commande d'entraînement (39), reliée à un réseau (32) fournissant le flux de données formant l'axe de guidage de la machine, est commandée par l'unité de commande de section (22).
  14. Procédé selon la revendication 13, caractérisé en ce qu'au moins une unité de commande d'entraînement (39), reliée à un réseau (32) fournissant le flux de données formant l'axe de guidage de la machine, est commutée dans un mode de fonctionnement tenant compte du dérèglement détecté, par une instruction de commande déclenchée par l'unité de commande de section (22) sous l'effet du signal de commande (54) du commutateur (53).
  15. Procédé selon la revendication 13, caractérisé en ce que dans la section (01 ; 02), seule l'unité de commande d'entraînement (39), reliée au réseau (32) fournissant le flux de données formant l'axe de guidage de la machine, est commutée de manière sélective par une instruction de commande déclenchée par l'unité de commande de section (22) sous l'effet du signal de commande (54) du commutateur (53), dans un mode de fonctionnement tenant compte du dérèglement détecté, qui commande le comportement de mouvement d'un système d'entraînement (18) qui, pour sa part, actionne au moins un corps rotatif (13 ; 14) disposé le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée.
  16. Procédé selon la revendication 14 ou 15, caractérisé en ce que l'unité de commande d'entraînement (39), dans son mode de fonctionnement tenant compte du dérèglement détecté, effectue la séparation entre au moins une unité de commande, reliée à ladite unité de commande d'entraînement (39) et commandant un système d'entraînement (18), ou au moins un régulateur, relié à ladite unité de commande d'entraînement (39) et régulant un système d'entraînement (18), et le flux de données formant l'axe de guidage de la machine.
  17. Procédé selon la revendication 14 ou 15, caractérisé en ce que l'unité de commande d'entraînement (39), dans son mode de fonctionnement tenant compte du dérèglement détecté, active au moins un dispositif de freinage (57), ledit dispositif de freinage (57), à la suite de son activation, freinant jusqu'à l'immobilisation au moins un corps rotatif (13 ; 14) en rotation et disposé le long de la voie de transport de la bande de matériau (07) défilant de manière déréglée.
  18. Procédé selon la revendication 1, caractérisé en ce qu'en alternative ou en supplément des corps rotatifs (13 ; 14) participant à la production en cours, au moins un autre corps rotatif ou un corps rotatif supplémentaire, participant au transport et/ou au traitement de la bande de matériau (07) respective, est freiné de manière sélective et de manière différente des autres corps rotatifs (13 ; 14), cet autre corps rotatif ou corps rotatif supplémentaire étant réalisé sous la forme d'un cylindre porte-clichés (16 ; 17), participant à la production concernée, et/ou sous la forme d'un cylindre d'un mécanisme d'encrage et/ou d'un mécanisme de mouillage, en particulier sous la forme d'un cylindre de tramage (68) du mécanisme d'encrage respectif.
  19. Procédé selon la revendication 1, caractérisé en ce que tous les systèmes d'entraînement dans l'unité d'impression (11 ; 12) concernée par le dérèglement détecté ou de la tour d'impression (03) concernée suivent respectivement leur propre rampe de décélération.
EP09153398A 2008-03-05 2009-02-23 Procédé de fonctionnement d'une imprimante comprenant plusieurs unités d'impression Not-in-force EP2098369B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810000526 DE102008000526A1 (de) 2008-03-05 2008-03-05 Verfahren zum Betreiben einer mehrere Druckeinheiten aufweisenden Druckmaschine
DE102008042508 2008-09-30

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EP2098369A2 EP2098369A2 (fr) 2009-09-09
EP2098369A3 EP2098369A3 (fr) 2011-03-30
EP2098369B1 true EP2098369B1 (fr) 2012-03-21

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Publication number Priority date Publication date Assignee Title
DE102011082005B4 (de) * 2011-09-01 2015-01-29 Koenig & Bauer Aktiengesellschaft Verfahren zum Steuern eines Transports von Druckerzeugnissen von einer Auslage eines Falzapparates einer Druckmaschine nach einer dem Falzapparat nachgeordneten Fördereinrichtung eines Systems zur Weiterverarbeitung der Druckerzeugnisse

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Publication number Priority date Publication date Assignee Title
JPS6194764A (ja) 1984-10-17 1986-05-13 Mitsubishi Heavy Ind Ltd 輪転印刷機の共切れ防止方法
EP0878299B1 (fr) 1997-04-18 2001-07-18 Heidelberger Druckmaschinen Aktiengesellschaft Machine d'impression rotative à journaux pour bandes
DE19722243C2 (de) 1997-05-28 1999-12-16 Roland Man Druckmasch Antrieb einer Rotationsdruckmaschine für Mehrbahnenbetrieb
DE10027441A1 (de) 2000-06-02 2001-12-06 Roland Man Druckmasch Verfahren und Vorrichtung zur Verhinderung von Maschinenschäden
DE10227694A1 (de) 2002-06-19 2004-01-29 Koenig & Bauer Ag Vorrichtung und Verfahren zur Erkennung einer Laufstörung bei einer laufenden Materialbahn

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ATE550188T1 (de) 2012-04-15
EP2098369A3 (fr) 2011-03-30

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