EP1562724A1 - Method and device for adjusting a rotary roller printing machine crop mark - Google Patents

Method and device for adjusting a rotary roller printing machine crop mark

Info

Publication number
EP1562724A1
EP1562724A1 EP03769311A EP03769311A EP1562724A1 EP 1562724 A1 EP1562724 A1 EP 1562724A1 EP 03769311 A EP03769311 A EP 03769311A EP 03769311 A EP03769311 A EP 03769311A EP 1562724 A1 EP1562724 A1 EP 1562724A1
Authority
EP
European Patent Office
Prior art keywords
web
controller
cutting register
unit
cutting
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.)
Granted
Application number
EP03769311A
Other languages
German (de)
French (fr)
Other versions
EP1562724B1 (en
Inventor
Günter BRANDENBURG
Stefan Geissenberger
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
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP1562724A1 publication Critical patent/EP1562724A1/en
Application granted granted Critical
Publication of EP1562724B1 publication Critical patent/EP1562724B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/60—Folding or cutting crosswise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/046—Sensing longitudinal register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
    • B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/24—Calculating methods; Mathematic models
    • 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 and a device for regulating the cut register of a web-fed rotary printing press.
  • the object is achieved with the features of the independent claims.
  • the solution does not require an additional mechanical web guiding element.
  • Existing, non-printing traction units are used to correct the cutting register, e.g. B. the cooling unit, tension rollers in the folding structure, the former roller or other tension units lying in the path between the last printing unit and knife cylinder.
  • the linear register roller with stepper motor and associated control electronics is no longer required.
  • the cutting register control is dynamically faster than with the conventional solution using a register roller, since a change in advance of the relevant train unit takes the place of a change in path.
  • the parameters entering the cutting register control system are largely independent of the properties of the rotary printing press. Furthermore, the cutting register accuracy can be significantly increased by the new method.
  • the running time of the web image points is adjusted with a constant web path, while according to the prior art a web length change was carried out at a constant web speed. .
  • the cutting register is corrected by adjusting the advance of a non-printing pull unit between the last printing unit and the knife cylinder.
  • This manipulated variable influences the cutting register error, viewed in stationary operation, proportional to the length of the free path between the engaging, non-printing train point and the train point in front of it.
  • the register control path Due to the fact that not an angle or path, but a speed has to be adjusted, the register control path has a lower order than in the conventional control with an adjusting roller. In terms of control technology, there is a good approximation of an aperiodic PT2 section.
  • a PI controller can therefore be used as a register controller.
  • a subordinate web tension control can also be provided.
  • the rise time of the closed register control loop only depends on the sum of the small time constants of the register controlled system.
  • the path time constant is either compensated for by the readjustment time of the PI register controller, or other optimization criteria of the control technology are used. Since the speed control loop is dynamically very fast, the register control according to the new method is much faster than with the conventional solution with register roller.
  • the invention will be explained in more detail using an exemplary embodiment.
  • the single figure shows a device for regulating the cutting register in a web-fed rotary printing press, the pulling unit Z3 being used as an actuator as an example.
  • the figure shows the course of a web 1 from a last printing unit 2 via a pulling unit Z1 in the form of a cooling unit 3, a pulling unit Z2 in front of a turning unit 4, a pulling unit Z3 after the turning unit 4 and a pulling unit Z4 in front of a folding unit 5.
  • the web 1 is cut transversely by means of a cross-cutting device 6, for example by means of a pair of cutting rollers.
  • Each train unit Z1 to Z4 is driven by a motor 7.1 to 7.4 with an associated motor control.
  • the motor 7.3 of the pulling unit Z3 is connected to the output of a controller 8, to which a cutting register sensor 9 is guided on the input side.
  • a further cutting register sensor 10 is also guided to the controller 8 and is arranged on a web section which is located in the web running direction on a further train unit upstream of the train unit Z3.
  • the cutting register sensor 10 located in front of the pulling unit Z2 could also be arranged on the web section between the last printing unit 2 and the cooling unit 3.
  • the controller 8 is also connected to the motor 7.4 of the train unit Z4 following in the web running direction of the train unit Z3 for the purpose of guiding the setpoint of the lead.
  • the web 1 is printed in a printing press and, after leaving the last printing unit 2, is guided to the folding unit 5 in the way shown in simplified form in the figure. It runs through the pulling unit Z1 designed as a cooling unit 3. Pulling unit Z2 in front of the turning unit 4, the turning unit 4, the pulling unit Z3 after the turning unit 4 and the pulling unit Z4 in front of the folding unit 5.
  • the web 1 is cross-cut in the cross-cutting device 6, the web 1 having to be fed with a suitable cutting register.
  • the cutting register is regulated by means of the controller 8, the pulling unit Z3 acting as an actuator.
  • the actual state of the cutting register is determined by means of the cutting register sensor 9 scanned cut register marks printed on the web 1, determined and passed to the controller 8.
  • the circumferential speed of the motor 7.3 is changed in accordance with the deviation from the target value.
  • the cut register sensor 10 By means of the cut register sensor 10, the actual value of the cut register is also determined on a path section upstream of the train unit Z3 and a differentiating portion is fed to the controller 8 for its pilot control.
  • the control intervention of controller 8 is also used to guide the setpoint of the advance of pull unit Z4. In the event that there are further train units in the web running direction after the train unit Z3, the control intervention of the control circuit 8 can also be used for this for the setpoint control of the leads.
  • the controller 8 can also be precontrolled in such a way that the actual state of the cutting register is determined sensorlessly by means of a mathematical model and a differentiating component is derived and used for precontrolling the controller 8.
  • This variant is in. the figure thin and drawn with bracket position 11.
  • the arithmetic and storage unit 11 are supplied with measured values, for example the advance of the cooling unit 3, the web tension at the infeed unit and possibly further or others, from which the actual state of the cutting register error is calculated on the basis of the mathematical model.
  • the control algorithm of the controller 8 also contains a mathematical model in such a way that the forces of the web 1 which act on the torque of the motor which corrects the cutting register are largely compensated for.

Abstract

The method involves feeding a web (1) from a printing unit (2) via draw-in units (Z1 to Z4) with adjustable overfeed. To displace the crop mark register, the circumferential speed of one of the draw-in units (Z3) is changed. An Independent claim is included for an apparatus for regulating a crop-mark register.

Description

Beschreibungdescription
Verfahren und Vorrichtung zum Regeln des Schnittregisters einer RollenrotationsdruckmaschineMethod and device for controlling the cutting register of a web-fed rotary printing press
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Regeln des Schnittregisters einer Rollenrotationsdruckmaschine.The invention relates to a method and a device for regulating the cut register of a web-fed rotary printing press.
Bei Rollenrotationsdruckmaschinen ist es bekannt, als Stellglied für die Schnittregisterregelung eine in Linearführungen verfahrbare Stellwalze einzusetzen, mit der die Papierweglänge zwischen zwei Zugeinheiten verändert und damit der Registerfehler korrigiert wird. Derartige Registerwalzen sind beispielsweise in der DE 85 01 065 U1 gezeigt. Die Verstellung erfolgt im Allgemeinen mittels eines elektrischen Schrittmotors. Derartige Vorrichtungen sind mit einem verhältnismäßig großen mechanischen und elektrischen Aufwand behaftet.In the case of web-fed rotary printing presses, it is known to use an adjusting roller which can be moved in linear guides as an actuator for the cutting register control and with which the paper path length between two drawing units is changed and the register error is thus corrected. Such register rollers are shown for example in DE 85 01 065 U1. The adjustment is generally made using an electric stepper motor. Such devices are associated with a relatively large mechanical and electrical effort.
Es ist Aufgabe der Erfindung, ein einfaches Verfahren zum Regeln des Schnittregisters zu schaffen. Weiterhin ist eine Vorrichtung zu schaffen, die sich durch einen geringen mechanischen und elektrischen Aufwand auszeichnet.It is an object of the invention to provide a simple method for regulating the cutting register. Furthermore, a device is to be created which is characterized by a low mechanical and electrical outlay.
Die Aufgabe wird mit den Merkmalen der unabhängigen Ansprüche gelöst. Die Lösung erfordert kein zusätzliches mechanisches Bahnführungselement. Zur Schnittregisterkorrektur werden vorhandene, nicht druckende Zugeinheiten verwendet, wie z. B. die Kühleinheit, Zugwalzen im Falzaufbau, die Trichterwalze oder weitere im Bahnverlauf zwischen letztem Druckwerk und Messerzylinder liegende Zugeinheiten.The object is achieved with the features of the independent claims. The solution does not require an additional mechanical web guiding element. Existing, non-printing traction units are used to correct the cutting register, e.g. B. the cooling unit, tension rollers in the folding structure, the former roller or other tension units lying in the path between the last printing unit and knife cylinder.
Durch die drehzahlvariablen Einzelantriebe an den Zugeinheiten entfällt insbesondere die Linearregisterwalze mit Schrittmotor und zugehöriger Ansteuerelektronik. Infolge der besonderen Eigenschaften der Regelstrecke ist die Schnittregisterregelung dynamisch schneller als bei der herkömmlichen Lösung mittels Registerwalze, da an die Stelle einer Wegänderung eine Voreilungsänderung der betreffenden Zugeinheit tritt.Due to the variable-speed individual drives on the traction units, the linear register roller with stepper motor and associated control electronics is no longer required. As a result of the special properties of the controlled system, the cutting register control is dynamically faster than with the conventional solution using a register roller, since a change in advance of the relevant train unit takes the place of a change in path.
Die in die Schnittregisterregelstrecke eingehenden Parameter sind weitgehend unabhängig von den Eigenschaften der Rotationsdruckmaschine. Weiterhin lässt sich die Schnittregistergenauigkeit durch das neue Verfahren wesentlich erhöhen.The parameters entering the cutting register control system are largely independent of the properties of the rotary printing press. Furthermore, the cutting register accuracy can be significantly increased by the new method.
Bei dem erfindungsgemäßen Verfahren wird die Laufzeit der Bahnbildpunkte bei einem konstanten Bahnweg verstellt, während nach dem Stand der Technik eine Bahnlängenänderung bei konstanter Bahngeschwindigkeit vorgenommen wurde. ,In the method according to the invention, the running time of the web image points is adjusted with a constant web path, while according to the prior art a web length change was carried out at a constant web speed. .
Die Schnittregisterkorrektur erfolgt durch die Verstellung der Voreilung einer nicht druckenden Zugeinheit zwischen dem letzten Druckwerk und dem Messerzylinder. Diese Stellgröße beeinflusst den Schnittregisterfehler, im stationären Betrieb betrachtet, proportional zur Länge der freien Bahn zwischen der eingreifenden, nicht druckenden Zugstelle und der davor liegenden Zugstelle.The cutting register is corrected by adjusting the advance of a non-printing pull unit between the last printing unit and the knife cylinder. This manipulated variable influences the cutting register error, viewed in stationary operation, proportional to the length of the free path between the engaging, non-printing train point and the train point in front of it.
Die Registerregelstrecke hat infolge der Tatsache, dass nicht ein Winkel oder Weg sondern eine Geschwindigkeit verstellt werden muss, eine um eins niedrigere Ordnung als bei der herkömmlichen Regelung mit Stellwalze. Regelungstechnisch gesehen liegt in guter Näherung eine aperiodische PT2-Strecke vor.Due to the fact that not an angle or path, but a speed has to be adjusted, the register control path has a lower order than in the conventional control with an adjusting roller. In terms of control technology, there is a good approximation of an aperiodic PT2 section.
Als Registerregler kann daher ein Pl-Regler verwendet werden. Es kann zusätzlich eine unterlagerte Bahnspannungsregelung vorgesehen werden.A PI controller can therefore be used as a register controller. A subordinate web tension control can also be provided.
Die Anregelzeit des geschlossenen Registerregelkreises hängt nur von der Summe der kleinen Zeitkonstanten der Register-Regelstrecke ab. Die Bahnzeitkonstante wird entweder durch die Nachstellzeit des Pl-Registerreglers kompensiert, oder es werden andere Optimierungskriterien der Regelungstechnik angewendet. Da der Drehzahlregelkreis dynamisch sehr schnell ist, ist die Registerregelung nach dem neuen Verfahren wesentlich schneller als bei der herkömmlichen Lösung mit Registerwalze. Die Erfindung soll nachfolgend an einem Ausführungsbeispiel näher erläutert werden. Die einzige Figur zeigt eine Vorrichtung zur Regelung des Schnittregisters in einer Rollenrotationsdruckmaschine, wobei beispielhaft die Zugeinheit Z3 als Stellglied benutzt wird.The rise time of the closed register control loop only depends on the sum of the small time constants of the register controlled system. The path time constant is either compensated for by the readjustment time of the PI register controller, or other optimization criteria of the control technology are used. Since the speed control loop is dynamically very fast, the register control according to the new method is much faster than with the conventional solution with register roller. The invention will be explained in more detail using an exemplary embodiment. The single figure shows a device for regulating the cutting register in a web-fed rotary printing press, the pulling unit Z3 being used as an actuator as an example.
In der Figur ist der Verlauf einer Bahn 1 von einem letztem Druckwerk 2 über eine Zugeinheit Z1 in Form einer Kühleinheit 3, eine Zugeinheit Z2 vor einer Wendeeinheit 4, eine Zugeinheit Z3 nach der Wendeinheit 4 und eine Zugeinheit Z4 vor einer Falzeinheit 5 dargestellt. In der Falzeinheit 5 wird die Bahn 1 mittels einer Querschneideinrichtung 6 quer geschnitten, beispielsweise mittels eines Schneidwalzenpaares. Jede Zugeinheit Z1 bis Z4 wird von einem Motor 7.1 bis 7.4 mit zugeordneter Motorregelung angetrieben.The figure shows the course of a web 1 from a last printing unit 2 via a pulling unit Z1 in the form of a cooling unit 3, a pulling unit Z2 in front of a turning unit 4, a pulling unit Z3 after the turning unit 4 and a pulling unit Z4 in front of a folding unit 5. In the folding unit 5, the web 1 is cut transversely by means of a cross-cutting device 6, for example by means of a pair of cutting rollers. Each train unit Z1 to Z4 is driven by a motor 7.1 to 7.4 with an associated motor control.
Der Motor 7.3 der Zugeinheit Z3 ist mit dem Ausgang eines Reglers 8 verbunden, auf den eingangsseitig ein Schnittregistersensor 9 geführt ist. Auf den Regler 8 ist außerdem ein weiterer Schnittregistersensor 10 geführt, der an einem Bahnabschnitt angeordnet ist, der sich in Bahnlaufrichtung an einer der Zugeinheit Z3 vorgelagerten weiteren Zugeinheit befindet. So könnte der vor der Zugeinheit Z2 befindliche Schnittregistersensor 10 auch am Bahnabschnitt zwischen dem letzten Druckwerk 2 und der Kühleinheit 3 angeordnet sein. Der Regler 8 ist weiterhin mit dem Motor 7.4 der in Bahnlaufrichtung der Zugeinheit Z3 nachfolgenden Zugeinheit Z4 zwecks deren Sollwertführung der Voreilung verbunden.The motor 7.3 of the pulling unit Z3 is connected to the output of a controller 8, to which a cutting register sensor 9 is guided on the input side. A further cutting register sensor 10 is also guided to the controller 8 and is arranged on a web section which is located in the web running direction on a further train unit upstream of the train unit Z3. The cutting register sensor 10 located in front of the pulling unit Z2 could also be arranged on the web section between the last printing unit 2 and the cooling unit 3. The controller 8 is also connected to the motor 7.4 of the train unit Z4 following in the web running direction of the train unit Z3 for the purpose of guiding the setpoint of the lead.
Die Bahn 1 wird in einer Druckmaschine bedruckt und nach dem Verlassen des letzten Druckwerkes 2 auf dem in der Figur vereinfacht dargestellten Weg zur Falzeinheit 5 geführt. Sie durchläuft dabei die als Kühleinheit 3 ausgeführte Zugeinheit Z1, die. Zugeinheit Z2 vor der Wendeeinheit 4, die Wendeeinheit 4, die Zugeinheit Z3 nach der Wendeeinheit 4 und die Zugeinheit Z4 vor der Falzeinheit 5. In der Querschneideinrichtung 6 wird die Bahn 1 quergeschnitten, wobei die Bahn 1 mit passendem Schnittregister zugeführt werden muss. Das Schnittregister wird mittels des Reglers 8 geregelt, wobei die Zugeinheit Z3 als Stellglied fungiert. Der Istzustand des Schnittregisters wird mittels des Schnittregistersensors 9, der auf die Bahn 1 gedruckte Schnittregistermarken abtastet, ermittelt und an den Regler 8 gegeben. Entsprechend der Abweichung vom Sollwert wird der Motor 7.3 hinsichtlich seiner Umfangsgeschwindigkeit verändert. Mittels des Schnittregistersensors 10 wird weiterhin an einem der Zugeinheit Z3 vorgelagerten Bahnabschnitt der Istwert des Schnittregisters ermittelt und ein differenzierender Anteil dem Regler 8 für dessen Vorsteuerung zugeführt. Es wird weiterhin der Stelleingriff des Reglers 8 zur Sollwertführung der Voreilung der Zugeinheit Z4 verwendet. Für den Fall, dass sich weitere Zugeinheiten in Bahnlaufrichtung nach der Zugeinheit Z3 befinden, kann auch für diese der Stelleingriff des Regelkreises 8 zur Sollwertführung der Voreilungen benutzt werden.The web 1 is printed in a printing press and, after leaving the last printing unit 2, is guided to the folding unit 5 in the way shown in simplified form in the figure. It runs through the pulling unit Z1 designed as a cooling unit 3. Pulling unit Z2 in front of the turning unit 4, the turning unit 4, the pulling unit Z3 after the turning unit 4 and the pulling unit Z4 in front of the folding unit 5. The web 1 is cross-cut in the cross-cutting device 6, the web 1 having to be fed with a suitable cutting register. The cutting register is regulated by means of the controller 8, the pulling unit Z3 acting as an actuator. The actual state of the cutting register is determined by means of the cutting register sensor 9 scanned cut register marks printed on the web 1, determined and passed to the controller 8. The circumferential speed of the motor 7.3 is changed in accordance with the deviation from the target value. By means of the cut register sensor 10, the actual value of the cut register is also determined on a path section upstream of the train unit Z3 and a differentiating portion is fed to the controller 8 for its pilot control. The control intervention of controller 8 is also used to guide the setpoint of the advance of pull unit Z4. In the event that there are further train units in the web running direction after the train unit Z3, the control intervention of the control circuit 8 can also be used for this for the setpoint control of the leads.
Der Regler 8 kann auch derart vorgesteuert werden, dass der Istzustand des Schnittregisters sensorlos mittels eines mathematischen Modells ermittelt und ein differenzierender Anteil abgeleitet und zur Vorsteuerung des Reglers 8 verwendet wird. Diese Variante ist in . der Figur dünn und mit Klammerposition 11 eingezeichnet. Der Rechen- und Speichereinheit 11 werden Messwerte, beispielsweise die Voreilung des Kühlwerks 3, die Bahnspannung am Einzugswerk und ggf. weitere oder andere, zugeführt, aus denen anhand des mathematischen Modells der Istzustand des Schnittregisterfehlers errechnet wird.The controller 8 can also be precontrolled in such a way that the actual state of the cutting register is determined sensorlessly by means of a mathematical model and a differentiating component is derived and used for precontrolling the controller 8. This variant is in. the figure thin and drawn with bracket position 11. The arithmetic and storage unit 11 are supplied with measured values, for example the advance of the cooling unit 3, the web tension at the infeed unit and possibly further or others, from which the actual state of the cutting register error is calculated on the basis of the mathematical model.
Der Regelalgorithmus des Reglers 8 enthält weiterhin ein mathematisches Modell derart, dass die auf das Drehmoment des Motors, der das Schnittregister korrigiert, rückwirkende Kräfte der Bahn 1 weitestgehend kompensiert werden. The control algorithm of the controller 8 also contains a mathematical model in such a way that the forces of the web 1 which act on the torque of the motor which corrects the cutting register are largely compensated for.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Bahn1 lane
2 Druckwerk2 printing unit
3 Kühleinheit3 cooling unit
4 Wendeeiήheit4 turning unit
5 Falzeinheit5 folding unit
6 Querschneideinrichtung6 cross cutting device
7.1 Motor7.1 engine
7.2 Motor7.2 engine
7.3 Motor7.3 engine
7.4 Motor7.4 engine
8 Regler8 controllers
9 Schnittregistersensor9 cutting register sensor
10 Schnittregistersensor10 cutting register sensor
11 Rechen- und Speichereinheit11 computing and storage unit
Z1 ZugeinheitZ1 train unit
Z2 ZugeinheitZ2 train unit
Z3 ZugeinheitZ3 train unit
Z4 Zugeinheit Z4 train unit

Claims

Patentansprüche: claims:
1. Verfahren zum Regeln des Schnittregisters einer1. Procedure for regulating the cutting register of a
Rollenrotationsdruckmaschine, bei der eine Bahn (1) nach dem Verlassen des letzten Druckwerkes (2) über in ihrer Voreilung stellbare ZugeinheitenWeb-fed rotary printing press, in which a web (1), after leaving the last printing unit (2), has traction units that can be set in its advance
(Z1 bis Z4) zu einer Querschneideinrichtung (6) geführt wird, wobei zur Verstellung des Schnittregisters eine der Zugeinheiten (Z3) hinsichtlich ihrer Umfangsgeschwindigkeit verändert wird.(Z1 to Z4) is guided to a cross-cutting device (6), one of the traction units (Z3) being changed with regard to its peripheral speed in order to adjust the cutting register.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass ein Motor (7.3) der Zugeinheit (Z3) mittels eines Reglers (8) hinsichtlich seiner Drehzahl geregelt wird und der Istwert des Schnittregisters von einem Schrittregistersensor (9) aufgenommen, dem Regler (8) zugeführt und mit dem Schnittregister-Sollwert verglichen wird.2. The method according to claim 1, characterized in that a motor (7.3) of the traction unit (Z3) is regulated with respect to its speed by means of a controller (8) and the actual value of the cutting register is recorded by a step register sensor (9), the controller (8) fed and compared with the cutting register setpoint.
3. Verfahren, insbesondere nach Anspruch 2, dadurch gekennzeichnet, dass mittels eines weiteren Schnittregistersensors (10) an einem Bahnabschnitt, der an einer der in Bahnlaufrichtung der Zugeinheit (Z3) vorgelagerten weiteren Zugeinheiten (Z2) angeordnet ist, ein Istwert des Schnittregisters ermittelt und als differenzierender Anteil abgeleitet und damit der Regler (8) vorgesteuert wird.3. The method, in particular according to claim 2, characterized in that an actual value of the cutting register is determined by means of a further cutting register sensor (10) on a web section which is arranged on one of the further pulling units (Z2) upstream in the web running direction of the drawing unit (Z3) and derived as a differentiating component and thus the controller (8) is precontrolled.
4. Verfahren, insbesondere nach Anspruch 2, dadurch gekennzeichnet, dass der Istzustand des Schnittregisters mittels eines mathematischen Modells ermittelt und ein differenzierender Anteil abgeleitet und damit der Regler (8) vorgesteuert wird.4. The method, in particular according to claim 2, characterized in that the actual state of the cutting register is determined by means of a mathematical model and a differentiating component is derived, and the controller (8) is thus pre-controlled.
5. Verfahren, insbesondere nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass mit dem Stelleingriff des Reglers (8) bei in Bahnlaufrichtung der Zugeinheit (Z3) nachfolgenden Zugeinheiten (Z4)5. The method, in particular according to one of claims 2 to 4, characterized in that with the intervention of the controller (8) in the web running direction of the train unit (Z3) following train units (Z4)
Sollwertführungen der Voreilungen vorgenommen werden. Setpoint guides for the leads are made.
6. Verfahren, insbesondere nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass die auf das Drehmoment des Motors (7.3) rückwirkenden Kräfte der Bahn (1 ) durch einen geeigneten Algorithmus im Regler (8) weitestgehend kompensiert werden.6. The method, in particular according to one of claims 2 to 5, characterized in that the forces of the web (1) having a retroactive effect on the torque of the motor (7.3) are largely compensated for by a suitable algorithm in the controller (8).
7. Vorrichtung zur Regelung des Schnittregisters einer Rollenrotationsdruckmaschine, wobei eine Bahn (1 ) nach dem Verlassen des letzten Druckwerkes (2) über in ihrer Voreilung stellbare Zugeinheiten (Zt bis Z4) zu einer Querschneideinrichtung (6) geführt wird, dadurch gekennzeichnet, dass der Motor (7.3) einer Zugeinheit (Z3) mit dem7. Device for regulating the cutting register of a web-fed rotary printing press, a web (1) being guided to a cross-cutting device (6) after leaving the last printing unit (2) via traction units (Zt to Z4) that can be set in its advance, characterized in that the Motor (7.3) of a train unit (Z3) with the
Ausgang eines die Geschwindigkeit regelnden Reglers (8) verbunden ist, auf den eingangsseitig ein Schnittregistersensor (9) geführt ist.Output of a speed regulating controller (8) is connected, to which a cutting register sensor (9) is guided on the input side.
8. Vorrichtung zur Regelung des Schnittregisters, insbesondere nach Anspruch 7, dadurch gekennzeichnet, dass zur Vorsteuerung des Reglers (8) auf diesen ein weiterer Schnittregistersensor (10) geführt ist, der an einem Bahnabschnitt angeordnet ist, der sich in Bahnlaufrichtung an einer der Zugeinheit (Z3) vorgelagerten weiteren Zugeinheit (Z2) befindet.8. Device for regulating the cutting register, in particular according to claim 7, characterized in that for precontrolling the controller (8) on this a further cutting register sensor (10) is guided, which is arranged on a web section which is in the web running direction on one of the train unit (Z3) upstream further train unit (Z2) is located.
9. Vorrichtung zur Regelung des Schnittregisters, insbesondere nach Anspruch 7, dadurch gekennzeichnet, dass zur Vorsteuerung dem Regler (8) eine Rechen- und Speichereinheit (11) aufgeschaltet ist, mittels der nach einem mathematischem Modell der Istzustand des Schnittregisters errechenbar ist.9. A device for regulating the cutting register, in particular according to claim 7, characterized in that a computing and storage unit (11) is connected to the controller (8) for pilot control, by means of which the actual state of the cutting register can be calculated according to a mathematical model.
10. Vorrichtung zur Regelung des Schnittregisters, insbesondere nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass der Regler (8) zur Sollwertführung der Voreilungen mit den Motoren (7.4) von in Bahnlaufrichtung der Zugeinheit (Z3) nachfolgenden Zugeinheiten (Z4) verbunden ist.10. Device for regulating the cutting register, in particular according to one of claims 7 to 9, characterized in that the controller (8) is connected to the motors (7.4) for following setpoints of the leads with the motors (7.4) of train units (Z3) following in the web running direction of the train unit (Z3) is.
11. Vorrichtung zur Regelung des Schnittregisters, insbesondere nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass der Regler (8) einen Algorithmus enthält, mit dem die auf das Drehmoment des Motors (7.3) rückwirkenden Kräfte der Bahn (1 ) weitestgehend kompensiert werden. 11. Device for controlling the cutting register, in particular according to one of claims 7 to 10, characterized in that the controller (8) contains an algorithm with which the forces of the web (1) which have a retroactive effect on the torque of the motor (7.3) are largely compensated become.
EP03769311A 2002-10-02 2003-09-24 Method and device for adjusting a rotary roller printing machine crop mark Expired - Lifetime EP1562724B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10245962 2002-10-02
DE10245962A DE10245962A1 (en) 2002-10-02 2002-10-02 Regulating crop mark register of rotary printing machine, by changing circumferential speed of one of draw-in units to displace crop-mark register
PCT/EP2003/010615 WO2004033167A1 (en) 2002-10-02 2003-09-24 Method and device for adjusting a rotary roller printing machine crop mark

Publications (2)

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EP1562724A1 true EP1562724A1 (en) 2005-08-17
EP1562724B1 EP1562724B1 (en) 2009-05-13

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US (1) US8820238B2 (en)
EP (1) EP1562724B1 (en)
JP (1) JP4472527B2 (en)
AT (1) ATE431229T1 (en)
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WO (1) WO2004033167A1 (en)

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Also Published As

Publication number Publication date
WO2004033167A1 (en) 2004-04-22
DE50311526D1 (en) 2009-06-25
US20050247220A1 (en) 2005-11-10
ATE431229T1 (en) 2009-05-15
EP1562724B1 (en) 2009-05-13
JP4472527B2 (en) 2010-06-02
JP2006500236A (en) 2006-01-05
DE10245962A1 (en) 2004-04-15
US8820238B2 (en) 2014-09-02

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