EP1656315B1 - Procede de reglage du repere de coupe sur une presse rotative en mode multi-bandes - Google Patents

Procede de reglage du repere de coupe sur une presse rotative en mode multi-bandes Download PDF

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Publication number
EP1656315B1
EP1656315B1 EP04763798.8A EP04763798A EP1656315B1 EP 1656315 B1 EP1656315 B1 EP 1656315B1 EP 04763798 A EP04763798 A EP 04763798A EP 1656315 B1 EP1656315 B1 EP 1656315B1
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EP
European Patent Office
Prior art keywords
web
register
controller
register error
knife cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP04763798.8A
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German (de)
English (en)
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EP1656315A1 (fr
Inventor
Günther BRANDENBURG
Stefan Geissenberger
Andreas Klemm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Manroland Web Systems GmbH
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Manroland Web Systems GmbH
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Publication date
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Publication of EP1656315A1 publication Critical patent/EP1656315A1/fr
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Classifications

    • 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
    • B65H23/18—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
    • B65H23/1886—Synchronising two or more webs
    • 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
    • B65H23/1888—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 web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28—Folding in combination with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/10—Selective handling processes
    • B65H2301/12—Selective handling processes of sheets or web
    • B65H2301/122—Selective handling processes of sheets or web for web or sheet handling processes wherein the sheets are cut from the 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
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/512—Marks, e.g. invisible to the human eye; Patterns

Definitions

  • the invention relates to a method for controlling the cut register in a web-fed rotary printing press with multi-web operation.
  • the transit time of the web image dots is adjusted at a constant web path, while according to the prior art, a web length change is made at a constant web speed.
  • the overfeeds become (Speeds) changed from terminal points, both interventions occur simultaneously and ensure a stable overall control by decoupling measures. This was previously not possible in the prior art.
  • the solution according to the invention does not require an additional mechanical web guide element in the form of a setting roller.
  • existing non-printing train units are used, such.
  • pull rollers in Falzended the funnel roller or more lying in the path between the last printing unit and knife cylinder traction units, which are preferably driven by means of variable-speed individual drives.
  • the parameters entering the cutting register control path are largely independent of the properties of the rotary printing press. Furthermore, the cutting register accuracy and the control speed (startup and settling time) can be significantly increased by the new method, whereby the number of spoil copies is considerably reduced.
  • At least one to be controlled web tension F k -1, k at least one of the webs is measured at or before a nip k, the nip k is in front of the knife cylinder, and that this web tensile force F k -1, k and at least one partial register error Y 1 ⁇ i * by suitable manipulated variables of clamping points - being used as manipulated variables circumferential speeds of non-printing nips and / or angular positions of pressure nips and / or the system supplied mass flow, which is set by the peripheral speeds of winding devices by means of dancer or pendulum rollers or traction control loops, use find - independently of each other, ie decoupled in terms of control technology, by means of control circuits using appropriate setpoints Y 1 ⁇ i w * .
  • F k -1, k , w are set so that the web tensile force takes its setpoint, which is within a prescribed range, and the cut register error is corrected to its predetermined target value.
  • the actual value for the regulation of the total cut register error of all webs is determined either from at least one web or at least one web bundle or from all webs.
  • Control circuits in particular in cascade structure, are provided for influencing partial register errors and the overall register error with the aid of the speeds (overfeed) or angular positions of terminal points.
  • the motors of the driven clamping points are equipped with a current, angular velocity and optionally angle control loop. It will always be a partial register error on at least one of the lanes Y 13 * controlled at a nip 3 with a controller to which the angular velocity control loop and, if present, the angular control loop of the nip 3 is superimposed (see. Fig. 2 to 9 ).
  • the regulation of the total cutting register error Y 18 of all webs is carried out either by means of the change in the position of the knife cylinder by means of a associated register control circuit, which an angular control loop and a speed control loop are subordinate, or the funnel roller or other suitable additional terminal points take over the correction of the total Cut register error using their peripheral speeds.
  • Actual values are either the register errors of the individual webs or web bundles measured before or on the knife cylinder or a mean calculated therefrom.
  • the register control circuit of the nip 3, a further register control circuit can be superimposed.
  • the four-roll system of Fig. 1 is a simplified form of a rotary printing machine, in particular a web offset printing press.
  • nip 0 ( K 0 ) following nip 1 ( K 1 ) all printing units are summarized.
  • nip 0 ( K 0 ) and 1 ( K 1 ) is a dancer roller or a tension control loop for specifying the web tension F 01 as an abbreviated representation of the device for adjusting the web tension after the unwinding and infeed.
  • Clamping point 2 ( K 2 ) is in the case of an illustration printing press for the cooling unit, in between is optionally a dryer T, nip 3 ( K 3 ) stands for the turning unit and nip 4 ( K 4 ) for the folding unit with the cutting-determining knife cylinder.
  • nip 3 ( K 3 ) stands for the turning unit
  • nip 4 ( K 4 ) for the folding unit with the cutting-determining knife cylinder.
  • Fig. 2 to Fig. 8 is the system behind the nip 3 ( K 3 ) shown in more detail.
  • the quantities v i are the circumferential velocities of the clamping points K i , which are approximated by the behavior of wound rolls with Coulomb friction.
  • the term "overfeed" is used instead of the term "speed”.
  • the web force in a section i-1, i is referred to as F i -1, i .
  • F i -1, i The web force in a section i-1, i is referred to as F i -1, i .
  • z T the changes of the modulus of elasticity and the section of the incoming web are summarized.
  • the total cut register error Y 18 is before or on the knife cylinder on the upper, enveloping web (sensor SO, cf. Fig. 2 ) can be measured and is available as the actual value for the control of the cutting register error of the path bundle.
  • the register error Y 14 or Y 18 so generally Y 1 n at the n n ( K n ), the knife cylinder, (see. Fig. 2 to Fig. 8 ) is referred to as a total cut register error or short as a cut register error.
  • a previously accumulated register error Y 1 ⁇ i * . measured at a non-printing nip i, is called part-cut register error, short part register error.
  • This definition is a time-continuous quantity. This results especially in the deviation of the nominal cutting line at the measuring location as a discrete-time variable.
  • the total cut register error Y 1 n is the deviation of the intersecting line between two printed images from its correct position at the time of intersection of the nip n ( K n ) with respect to the nip 1 ( K 1 ).
  • the system of Fig. 1 is understood as a mechanical controlled system with associated actuators (controlled drives).
  • the two controlled variables are, for example, the partial cut register error Y 13 * and the web tension F 23 .
  • Manipulated variables are, for example, the lead of the clamping point 3 ( K 3 ) and the lead or position of the clamping point 1 ( K 1 ).
  • the actuators form the controlled drive motors M 1 to M 4 (see. Fig. 1 ) or M 1 to M 8 (see. Fig. 2 ).
  • input variables x iw stand for the angular velocity (speed) or angle setpoints of the controlled drives M 1 to M 4 .
  • Fig. 2 (System 1) starts like all the following with the nip 3, and the other plant constellation is shown up to the knife cylinder as a principle device plan. Shortly before the nip 3, the full-width web is cut longitudinally into two web strands BO and BU. The strands (BO, BU) are brought together after passing through the turning unit 4 in the funnel roller 6. In this more railways BE can enter. The adjusting roller 5 is used for cutting register presetting of the lower part web. Both merged webs run through the funnel 7 and the subsequent pairs of rollers to the knife cylinder 8. After cutting and folding the finished copies leave the printing press.
  • the clamping points 3 and 6 are driven by electric drives, which are regulated in the current and in the rotational speed (angular velocity). They can also be equipped with a superimposed full-angle control. In particular, the drive of the clamping point 8 is current, speed and angle controlled.
  • the cut register error is measured immediately before the knife cylinder 8 and corrected by the angular position of the knife cylinder 8. It is possible the error Y 18 O to determine the upper orbit. This is the register error Y 18 O measured with the aid of the sensor SO just before or on the knife cylinder 8, fed via the block 8.5 to the comparison point of a cutting register controller 8.1 and with a predetermined setpoint Y 18 ⁇ w m . for example Y 18 ⁇ w m compared.
  • the register controller specifies a position setpoint ⁇ 8 w for the angle controller 8.2.
  • Speed control loop (controller 8.3) and current control circuit are subordinated to this.
  • the numerical differentiator D forms the actual value of the angular velocity ⁇ 8 from the actual angle value.
  • the register error becomes Y 18 0 or Y 18 m compensated in accordance with the dynamics of the subordinate angle control loop. Due to the measurement lying directly in front of the knife cylinder, the running times are minimal. With the single drive of the knife cylinder 8 shortest settling times can be achieved.
  • a filter F 6.3 considers empirically obtained modifications of the Feedforward control, which can be caused for example by a sliding slip of the clamping point 6 (K 6 ).
  • the adjusting roller 5 is used for presetting the cutting register Y 18 n the subway BU. Due to the angular position of the knife cylinder alone, it is not possible to influence Qber and lower web separately. For this purpose, in addition, the positioning roller 5 would have to be equipped with a high-quality, dynamically fast, position-controlled servo drive.
  • the knife cylinder is only angle-controlled.
  • the nip 3 is used with their existing drive.
  • Y 18 O can also be the mistake Y 16 m * to step.
  • the adjusting roller 5 is used for presetting the cutting register of the lower web BU. Due to the angular position of the knife cylinder alone, it is not possible to influence the upper and lower web separately. For this purpose, in addition, the positioning roller 5 would have to be equipped with a high-quality, dynamically fast, position-controlled servo drive.
  • This is fed to a cutting register difference controller 6a.2 whose manipulated variable is the angular velocity ⁇ 6 a, w an additional nip 6a ( K 6 a ) of the upper web BO before the hopper roll.
  • This clamping point 6a ( K 6 a ) is equipped by a current- and speed-controlled drive, possibly with superimposed angle control.
  • the positioning roller 5a is intended only for the coarse presetting of the sectional register of the upper web BO and is rarely operated.
  • a parking roller 5b can be omitted.
  • the subordinate register control loop takes over for Y 13 * (Controller 3.2) a fast pre-correction of the full-width path and the register controller for Y 18 O (Controller 6a.2) corrects both paths in accordance with the setpoint Y 18 ⁇ w O ,
  • the clamping point 6a ( K 6 a ) is performed either with full-width pressure roller or with trolleys and additional wrap, whereby this is a full-fledged and almost slip-free terminal point.
  • the former roller 6b (K 6 b)
  • the clamping is carried out because of several webs to be transported with trolleys. Therefore, the transmittable force difference is limited and subject to slip, especially in rapid Voreilungs shortened.
  • nip 3 ( K 3 ) ie the associated change in the angular velocity ⁇ 3 w the angular velocity setpoints ⁇ 6 a, w and ⁇ 6 b, w switch, including matching filter F 6 a and F 6th b must be used.
  • they serve as balancing filters, as described in the earlier patent application PB04638, and can allow empirically obtained modifications of the precontrol. This measure is used to precontrol of the terminal point 6a ( K 6 a ) and 6b ( K 6 b ) to turn off the web time constant between terminal points 3 ( K 3 ) and 6 ( K 6 a , b ) partially or completely.
  • the controller takes over 3.2 for the register error Y 13 * a fast pre-correction of the full-width track.
  • nip 3 ( K 3 ) ie the associated change in the angular velocity ⁇ 3 w the angular velocity setpoints ⁇ 6 a , w and ⁇ 6 b, w switch, including matching filter F 6 a and F 6th b must be used.
  • they serve as balancing filters, as described in the patent application PB04638, and can enable empirically obtained modifications of the precontrol.
  • This measure serves to feedforward the clamping point 6a ( K 6 a ) and 6b ( K 6 b ), to turn off the web time constant between terminal points 3 ( K 3 ) and 6 ( K 6 a , b ) partially or completely.
  • nip 6a and 6b K 6 b
  • the controller takes over 3.2 for the register error Y 13 * a fast pre-correction of the full-width track.
  • clamping points 6a ( K 6 a ) and 6b ( K 6 b ) are advantageously carried out either with full-width nip rolls or trolleys and additional wrap, making them to full-fledged and almost slip-free terminal points.
  • nip 3 ( K 3 ) ie the associated change in the angular velocity ⁇ 3 w the angular velocity setpoints ⁇ 6 a , w and ⁇ 6 b , w switch, including matching filter F 6 a and F 6th b must be used.
  • they serve as balancing filters, as described in the earlier patent application PB04638, and can allow empirically obtained modifications of the precontrol. This measure is used to precontrol of the terminal point 6a ( K 6 a ) and 6b ( K 6 b ) to turn off the web time constant between terminal points 3 ( K 3 ) and 6 ( K 6 a, b ) partially or completely.
  • the controller takes over 3.2 for the register error Y 13 * a fast pre-correction of the full-width track.
  • the register controllers 6a.2 and 6b.2 are superimposed on the speed control loops (controller 6a.3 and controller 6b.3).
  • clamping points 6a ( K 6 a ) and 6b ( K 6 b ) are advantageously carried out either with full-width nip rolls or trolleys and additional wrap, making them to full-fledged and almost slip-free terminal points.
  • nip 3 ( K 3 ) ie the associated change in the angular velocity ⁇ 3 w the angular velocity setpoints ⁇ 6 a, w and ⁇ 6 b , w switch, including matching filter F 6 a and F 6th b must be used.
  • they serve as balancing filters, as described in the earlier patent application PB04638, and can allow empirically obtained modifications of the precontrol. This measure is used to precontrol of the terminal point 6a ( K 6 a ) and 6b ( K 6 b ) to turn off the web time constant between terminal points 3 ( K 3 ) and 6 ( K 6 a, b ) partially or completely.
  • the regulated terminal points 4a ( K 4 a ) and 4b ( K 4 b ) are provided.
  • the speed control loops (controller 4a.3 and / or 4b.3) are superimposed on traction control loops. They process the difference between the actual tensile force value (sensor SFU and / or SFO) and tensile force setpoint ( F 34, a , w and / or F 34, b , w ).
  • the clamping points 4a ( K 4 a ) and 4 b ( K 4 b ) and 6 a ( K 6 a ) and 6 b ( K 6 b ) are either full-width nip rolls or trolleys and additional Looping done, making them to full-fledged and almost slip-free terminals.
  • This method is combined with the slow readjustment of the angular position of the printing units described in the earlier patent application PB04637 to avoid excessive overfeeds or with the combined tension register control according to the prior patent applications PB04638 or PB04639 which precedes the nip 3 ( K 3 ). lying track sections.
  • each web bundle is controlled in itself by one of the methods of Section 2 for a minimally achievable cut register error of the strands.
  • clamping points 3 and 3 ' can also be the clamping points 6 and 6' or other terminal points occur, which act through their Voreil Institute on the full-width web or the entire bundle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (17)

  1. Procédé de réglage du repère de coupe d'une presse rotative, dans lequel :
    plusieurs bandes imprimées (BV, BO, BU, BE) sont réunies puis coupées par un cylindre à lame commun (K 8),
    certaines informations graphiques ou marques de mesure des plusieurs bandes imprimées (BV, BO, BU, BE) sont détectées au moyen de capteurs (SE ; SO ; SL ; SR) et acheminées vers un dispositif de réglage,
    à au moins une position entre une position en amont et une position sur le cylindre à lame commun (K 8), une information graphique apte à rectifier la position de l'emplacement de l'image imprimée par rapport à son emplacement théorique au niveau du lieu et du moment de la coupe, c'est-à-dire pour l'erreur de repère de coupe (Y 18) ou des marques de mesure d'au moins une des bandes imprimées (BV, BO, BU, BE), est détectée à l'aide d'au moins un capteur (SE ; SO ; SL ; SR), exploitée et transformée en une valeur réelle qui sert à régler l'erreur de repère de coupe (Y 18) d'au moins une bande (BV, BO, BU, BE) et, pour corriger l'erreur de repère de coupe (Y 18) de l'au moins une bande (BV, BO, BU, BE), au moins un paramètre entre la vitesse d'au moins un point de serrage (K0 à K3, Ki , Kk , K6) se trouvant en aval du cylindre à lame (K 8) et l'emplacement du cylindre à lame (K 8) est modifié de manière à ce que l'erreur de repère de coupe (Y 18) de l'au moins une bande (BV, BO, BU, BE) soit corrigée en fonction de la valeur réelle pour lui donner une valeur théorique prédéterminée (Y 18w),
    caractérisé en ce que la valeur réelle est utilisée pour le réglage de l'erreur de repère de coupe (Y 18) de toute la pluralité de bandes (BV, BO, BU, BE).
  2. Procédé selon la revendication 1, caractérisé en ce qu'au moins une force de traction de bande (Fk1,k ) à régler d'au moins une des bandes (BV, BO, BU, BE) est mesurée à ou en amont d'un point de serrage (Kk ), le point de serrage (Kk ) se trouvant en amont du cylindre à lame (K 8), et que cette force de traction de bande (Fk-1,k ) et une erreur de repère de coupe partielle (Y*1m) sont dissociées l'une de l'autre par des paramètres adaptés des points de serrage (vk , vm ) et réglées et régulées simultanément à partir de valeurs théoriques correspondantes (Y*lw, F k-l,k,w ), de manière à ce que la force de traction de bande prenne sa valeur théorique qui se trouve dans une plage prédéfinie et que l'erreur de repère de coupe soit corrigée pour reprendre sa valeur théorique prédéterminée.
  3. Procédé selon la revendication 2, caractérisé en ce qu'on utilise comme paramètres de réglage des vitesses circonférentielles de points de serrage n'imprimant pas et/ou de positions angulaires de points de serrage imprimant et/ou le débit massique acheminé au système qui est réglé par les vitesses circonférentielles de dispositifs d'enroulement à l'aide de cylindres danseurs ou pendulaires ou de boucles de réglage de force de traction.
  4. Procédé selon les revendications 1 à 3, caractérisé en ce que la valeur réelle pour le réglage des erreurs de repère de coupe partielle et/ou de l'erreur de repère de coupe globale de toutes les bandes soit déterminée soit à partir de la bande de pleine largeur (BV) et/soit à partir d'au moins une bande individuelle (BE) et/ou de la bande supérieure (BO) et/ou de la bande inférieure (BU) ou de toutes les bandes (BV, BO, BU, BE).
  5. Procédé selon les revendications 1 à 4, caractérisé en ce que, pour calculer ou estimer la valeur réelle nécessaire au réglage de l'erreur de repère de coupe globale d'au moins une bande, on utilise soit au moins un modèle mathématique et/soit des données mesurées et sauvegardées.
  6. Procédé selon les revendications 1 à 5, caractérisé en ce qu'il s'agit en ce qui concerne les bandes de bandes de pleine largeur et de cordons de bande de largeur partielle ou d'une combinaison de bandes de pleine largeur et de cordons de bande de largeur partielle, en particulier de la combinaison de faisceaux de bandes, l'erreur de repère de coupe partielle et les forces de traction de bande étant réglées séparément les unes des autres à l'aide de boucles de réglage à partir de valeurs théoriques correspondantes.
  7. Procédé selon la revendication 6, caractérisé en ce qu'il s'agit de bandes, en particulier de faisceaux de bandes, provenant de divers entonnoirs de pliage et qui sont coupées par un cylindre à lame commun (K 8).
  8. Procédé selon les revendications 1 à 7, caractérisé en ce que, pour jouer sur les erreurs de repère de coupe partielles et l'erreur de repère de coupe globale à l'aide des vitesses (avances) ou des positions angulaires des points de serrage, il est prévu des boucles de réglage, en particulier à structure en cascade.
  9. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que, dans au moins une des bandes (BV, BO, BU, BE), une erreur de repère de coupe partielle (Y*13) est réglée à un point de serrage 3 (K 3) à l'aide d'un régleur 3.2 auquel la boucle de réglage de vitesse angulaire et, le cas échéant, la boucle de réglage d'angle du point de serrage 3 sont subordonnées et que le réglage de l'erreur de repère de coupe globale (Y 8) de toutes les bandes a lieu par modification de l'emplacement du cylindre à lame (8) au moyen d'un régleur de repère (8.1) auquel une boucle de réglage d'angle (8.2) et une boucle de réglage de vitesse de rotation (régleur 8.3) et une boucle de réglage de courant sont subordonnés et que soit au moins une des erreurs de repère (Yu* 16, Yo 16, Yo 18) mesurées en amont ou sur le cylindre à lame (8) ou la valeur moyenne calculée à partir de celle-ci (Y m *16, Ym 18) sert de valeur réelle, une pré-commande du régleur 6.3 étant assurée via le filtre F6.3 (figure 2).
  10. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que le réglage de l'erreur de repère de coupe globale (Y 18) de toutes les bandes a lieu par modification de la vitesse (v3) du point de serrage 3 (K3), que le régleur de repère (3.1) est subordonné au régleur de repère (3.2) et que l'emplacement du cylindre à lame (8) n'est pas affecté, une pré-commande du régleur F6.3 se faisant via le filtre F6.3 (figure 3).
  11. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que le réglage de l'erreur de repère de coupe partielle (Y*13) a lieu par modification de la vitesse (v3) du point de serrage 3 (K3), que l'emplacement du cylindre à lame (8) n'est pas affecté, que le réglage de la bande inférieure (BU) a lieu à l'aide de la vitesse (v6b ) du cylindre à entonnoir 6b (K6b ) et qu'on utilise comme valeur réelle l'erreur de repère (Yu* 16, Yo 18) mesurée en amont ou sur le cylindre à lame (8) et que le réglage de la bande supérieure (BO) se fait à l'aide de la vitesse (v6a ) d'un autre point de serrage (K6a ), sachant qu'on utilise comme valeur réelle la différence (Yd* 16, Yd *18) entre l'erreur de repère (Yu* 16) de la bande inférieure (BU) et l'erreur de repère (Y0 *16, Y0 18) de la bande supérieure (BO), l'association des valeurs théoriques (Yd *16w, Yd *18w, Yo 18w) aux points de serrage 6a (K6a) et 6b (K6b ) pouvant également être inversée, de sorte que la bande supérieure (BO) est réglée à la valeur théorique (Yo* 18w) et la bande inférieure à la valeur théorique Yd *16w, Yd *18, les boucles de réglage de vitesse de rotation ou d'angle (régleur 6b.3 ou 6a.3) des moteurs d'entraînement des points de serrage 6b ou 6a (K6b ou K6a ) étant subordonnées aux régleurs de repère (6b.2 ou 6a.2) et une pré-commande des régleurs 6.a3 et 6.b3 se faisant via les filtres F6a et F6b (figure 4).
  12. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que le réglage de l'erreur de repère de coupe partielle de la bande de pleine largeur (Y*13) a lieu par modification de la vitesse (v3) du point de serrage 3 (K3 ), que l'emplacement du cylindre à lame (8) et la vitesse du cylindre à entonnoir 6b (K 6b ) ne sont pas affectés mais que l'erreur de repère de la bande supérieure est réglée également à l'aide de la vitesse (v 3) du point de serrage 3 (K3 ), la valeur réelle étant l'erreur de repère mesurée (Yo 18) de la bande supérieure en amont ou au niveau du cylindre à lame (8), et que le réglage de la bande inférieure (BU) se fait à l'aide de la vitesse (v6a ) d'un autre point de serrage 6a (K6a ), sachant qu'on utilise comme valeur réelle la différence (Yd* 16, Yd *18) entre la valeur de repère (Yu *16) de la bande inférieure (BU) et une des erreurs de repère (Yo*16 , Yo 18) de la bande supérieure (BO), la boucle de réglage (régleur 6a.3) du moteur d'entraînement du point de serrage 6a (K6a) et, le cas échéant, la boucle de réglage (régleur 6a.3) du moteur d'entraînement du point de serrage 6a (K6a ) étant subordonnée au régleur de repère (6a.2) et une pré-commande des régleurs 6.a3 et 6.b3 se faisant via les filtres F6a et F6b (figure 5).
  13. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que le réglage de l'erreur de repère de coupe partielle (Y*13) a lieu par modification de la vitesse (v3) du point de serrage 3 (K3 ), que l'emplacement du cylindre à lame (8) et la vitesse du cylindre à entonnoir 6c (K6c ) ne sont pas affectés mais que le réglage de repère de la bande inférieure (BU) a lieu également à l'aide de la vitesse d'un point de serrage 6a (K6a ) et que le réglage de repère de la bande supérieure (BO) a lieu à l'aide de la vitesse d'un point de serrage 6b, la boucle de réglage de vitesse de rotation ou d'angle (régleur 6a.3 ou 6b.3) du moteur d'entraînement du point de serrage 6a ou 6b (K6a ou K6b ) étant subordonnée au régleur de repère (6a.2 ou 6b.2), sachant que l'erreur de repère de coupe partielle (Yu*16 , Yo 16 ) ou l'erreur de repère de coupe différentielle (Yd *16) entre la bande supérieure (BO) et la bande inférieure (BU) sert de valeur réelle et qu'une pré-commande des régleurs 6.a, 6.b3 et 6c.3 se fait via les pré-filtres F6a, F6b et F6c (figure 6).
  14. Procédé selon la revendication 13, caractérisé en ce que l'erreur de repère de coupe globale mesurée (Yo 18) sert de valeur réelle au niveau du régleur 6b.2 au lieu de l'erreur de repère (Yo* 16).
  15. Procédé selon la revendication 14, caractérisé en ce que le régleur de repère 6b.1 qui prescrit la valeur théorique (Yo *16w) pour le régleur de repère subordonné (régleur 6.b2) est de niveau supérieur à celui de la boucle de réglage de repère pour la bande supérieure (régleur 6b.2) des régleurs de repères 6b.1 et qu'on utilise comme valeur réelle l'erreur de repère (Yo 18) mesurée sur le cylindre à lame (figure 8).
  16. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que deux presses rotatives (L et R) sont équipées de régleurs des figures 3 à 8 ou d'autres structures appropriées et que le faisceau de bandes de la machine R est acheminé au cylindre à lame commun (K 8), les unités d'impression (points de serrage K1L et K1R) des deux machines étant synchronisées via la valeur théorique commune α (8w) en utilisant au moins une valeur angulaire théorique supplémentaire (α8w,z), une des machines étant la machine dominante, l'erreur de repère de coupe globale (YL 18) du faisceau de bandes de la machine L étant réglée à l'aide du régleur 3.1L et l'erreur de repère de coupe différentielle (YdB 18) entre le faisceau de bandes L et R par le réglage du régleur 3.1R de la machine R (figure 9).
  17. Procédé selon une ou plusieurs des revendications précédentes, caractérisé en ce que les filtres (F6.3, F6a, F6b, F6c) présentent n'importe quelles caractéristiques qui sont calculées théoriquement et/ou déterminées empiriquement.
EP04763798.8A 2003-08-06 2004-08-04 Procede de reglage du repere de coupe sur une presse rotative en mode multi-bandes Active EP1656315B1 (fr)

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DE10335886A DE10335886B4 (de) 2003-08-06 2003-08-06 Verfahren und Vorrichtung zum Regeln eines Gesamtschnittregisterfehlers einer Rotationsdruckmaschine
PCT/EP2004/008751 WO2005016806A1 (fr) 2003-08-06 2004-08-04 Procede et dispositif de reglage du repere de coupe sur une presse rotative en mode multi-bandes

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DE10335886B4 (de) 2013-12-19
EP1656315A1 (fr) 2006-05-17
US7559279B2 (en) 2009-07-14
US20060230968A1 (en) 2006-10-19
DE10335886A1 (de) 2005-03-10
WO2005016806A1 (fr) 2005-02-24

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