EP2108511B1 - Réglage d'un registre de coupe - Google Patents

Réglage d'un registre de coupe Download PDF

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Publication number
EP2108511B1
EP2108511B1 EP09157125.7A EP09157125A EP2108511B1 EP 2108511 B1 EP2108511 B1 EP 2108511B1 EP 09157125 A EP09157125 A EP 09157125A EP 2108511 B1 EP2108511 B1 EP 2108511B1
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EP
European Patent Office
Prior art keywords
gathered
hsn
strand
complete
individual
Prior art date
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Application number
EP09157125.7A
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German (de)
English (en)
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EP2108511A2 (fr
EP2108511A3 (fr
Inventor
Andreas Klemm
Jan Seebauer
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 Goss Web Systems GmbH
Original Assignee
Manroland Goss Web Systems GmbH
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Publication date
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Publication of EP2108511A2 publication Critical patent/EP2108511A2/fr
Publication of EP2108511A3 publication Critical patent/EP2108511A3/fr
Application granted granted Critical
Publication of EP2108511B1 publication Critical patent/EP2108511B1/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
    • B41F13/58—Folding or cutting lengthwise
    • 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
    • B26D5/30—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 having the cutting member controlled by scanning a record carrier
    • B26D5/32—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 having the cutting member controlled by scanning a record carrier with the record carrier formed by the work itself
    • 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
    • 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
    • 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 adjusting the cutting register in a web-fed rotary printing press according to claim 1, as well as to a web-fed rotary printing press according to claim 16, which is adapted to carry out this method.
  • the information printed on the web and recorded with the sensors can be register marks or else the overall print image, in which case the expected time at which the register mark or the entire print image passes by the respective sensor can represent the desired value.
  • the sensors are optical sensors, e.g. Cameras, photoelectric sensors or the like.
  • actuators often movable linear rollers are used in linear guides transversely to the direction of the printing material, over which the web path can be extended or shortened.
  • the drives of rolls can be used at clamping points, wherein the peripheral speeds (overfeed) of the draw rolls along the paper web serve as manipulated variables of the cut register control.
  • the sensors are provided in the vicinity of the actuators in order to minimize the distance between the sensor and actuator and thus the dead times of the control.
  • Observation or measuring members and actuators can in known Be provided devices on the printing units, at the printing units downstream Switzerlandwalzencruen or the like.
  • the sensors and the actuators are arranged close to each other in the above-mentioned possibilities usually.
  • circuits in particular control cascades, in which actuators are actuated under the influence of actual values which have been determined on sensors arranged away from them.
  • cut register rules can be found in the own applications DE 103 35 888 . DE 103 35 887 . DE 103 35 885 , such as WO 2005 / 016806A1 .
  • a paper web stretch is made by serving as actuators pull rollers before the formers.
  • Bahnbeobachtungssenoren are provided in the vicinity of the tension rollers, wherein the regulation of the cut register by the peripheral speeds of the draw rolls on the respective single strands and thus by the strain change of the respective single strand in response to the output values of Brubeungsungssenoren.
  • the control takes place in several stages, whereby the cutting position is also measured on the knife cylinder of the folding unit and corrected by the angular position of the knife of the knife cylinder.
  • the measuring and positioning units arranged upstream of the folding unit serve to eliminate all disturbances that have occurred up to the respective measuring location, whereas the control on the knife cylinder or on the total stitching strand via a linearly adjustable adjusting roll shortly before reaching the knife cylinder eliminates the cutting register error serves, which arises between last measuring position of the strands and the cutting cylinder.
  • EP 1 964 800 A2 and EP 2 028 144 A2 are state of the art under Article 54 (3) EPC and can not be used to assess inventive step. The next state of the art will be in EP 2 028 144 A2 described.
  • EP 2 028 144 A2 discloses a method for adjusting the cut register in a folder of a web-fed rotary press having a folder structure over which one or more individual stitchstrings of a plurality of single stitch strands that can be joined to form a total stitchstring are detected, wherein information printed on at least one of the plurality of single stitchstrings is recorded on the respective single stitchstring, Correction values for correcting the Thomastregister réelles at least one of the stitching strands are determined from the printed information, and the cut register error is corrected via at least one of the respective Einzelheftstrang associated actuator, wherein the detection of the printed information of each Einzelheftstrangs and the correction of the cut register error of each Einzelheftstrangs on the respective Actuator after the passage of the folding structure and before merging the single stitching strands toPolsteltrang you and a web-fed rotary printing press with a folding unit and a folding structure, via which one or more individual stitching strands of a plurality of single stitch strands which
  • the detection of the printed information of the respective Einzelheftstrangs and the correction of the cut register error of this Einzelheftstrangs is provided which are provided after the passage of the folding structure and before merging the single stitching strands to Bacheftstrang.
  • the invention can also be used with a magazine folding structure as long as the web observation and the corresponding cutting register error correction are carried out on the single stitching strand.
  • Information is printed on all individual pulp strings except for a single pulp strand external to the entire pultrusion, but information printed on this outside of the entire pultrusion, reference values being determined from the information collected on the total pulp strand and the correction values being derived from the information collected at the other pultrusions as a deviation from the reference values, and the correction of the cut register error of the respective single stitch string to the respective reference values.
  • the web-fed rotary printing press has, in addition to the folding unit and the folding structure with a plurality of formers, at least one sensor and at least one actuator for each individual stitching strand whose cut register error is to be set.
  • the sensor and the actuator are arranged in the folder in a region downstream of the folding structure and the cutting blade cylinder upstream region, ie between the former and cutter blade cylinder.
  • a control device connected to the respective sensor and actuator is provided, which is set up to carry out the method according to the invention.
  • Each Einzelheftstrang this can be scanned with a arranged in the vicinity of the actuator sensor (camera or similar) and with the actuator, preferably a linearly displaceable arranged adjusting roller according to the detected cutting register error (in the case of the adjusting roller on a web length change by moving the adjusting roller perpendicular to the web running direction of the respective single stitching strand).
  • All strands can be individually adjusted to a specified setpoint for the cutting register, whereby the setpoint can be preset iteratively by the printer on the basis of his empirical values or can originate from a higher-level production planning software.
  • the setpoints can be adapted to the current production conditions. Deviations of the recorded actual values from the preset setpoint value are then registered at the sensor of the respective single-link train, whereupon the actuator assigned to the respective single-link train is correspondingly actuated.
  • one of the individual stitching cords could be provided as a reference stitching strand for the other single stitching cords, so that the correction of the further stitching cords takes place relative to this reference stitching strand.
  • the individual stitches are thus all adjustable to the same, serving as a reference value cut register. This cut register error is then present when merging the single stitching strands on all single stitched strands and thus corresponds to the total stitchstep register error and can therefore be eliminated finally on the cutting cylinder.
  • actuating signals for at least one of a single-staple strand or the entire staple strand associated, the folding structure downstream actuators are corrected accordingly by pre-recorded, printed on the web or web information.
  • the information which is known per se, can be used on at least one of the plurality of single stitched strands in the vicinity of hopper infeed rolls, printed on the respective single stitching strand, and / or the information pre-recorded on at least one single strip between a slitter and the hopper infeed rolls, and / or or the information pre-recorded on an entire web before reaching the slitter.
  • it can then be decided in dependence on the pre-recorded information whether an adjustment may be made to the (or the) the folding structure downstream actuators and / or within which limits such an adjustment may be made.
  • the folding structure downstream actuators by means of the pre-recorded on the respective strand or the respective track information printed position, speed or angle signals of the additional actuators can be used.
  • the drives of the Strangzugwalzen or other Ceibanzenantriebe in the course of moving towards the hopper structure partial webs or the not yet cut total track are provided as additional actuators, it is also advantageous to adjust the drive of the respective additional actuator only within predetermined limits and always on the operating point or due to a standard lead, wherein a possible deviation from the standard lead is slowly reduced via a regulator upstream of the drive or an actual lead is returned to the standard lead.
  • a regulating roller which can be displaced linearly can serve as a regulating device, via which a web length change can be brought about, instead of a web stretch via the drive adjustment.
  • Fig. 1 and 2 show a folder of a web-fed rotary printing press with a folding unit 3, a folding structure 2 and a front turnaround tower 1.
  • Folding machines of printing presses serve for the formation of folds on printed substrates, wherein according to the prior art for seaming a web-shaped substrate is usually first passed through a so-called folder hopper so as to form a longitudinal fold on the web-shaped and not yet severed substrate. Starting from the former, the web-shaped substrate is transported over several draw rollers in the direction of a cutter knife cylinder, are separated on the cutting blade cylinder of web-like substrate copies, which are then laterally and optionally additionally folded in the folding unit.
  • the Wendestangenturm 1 is preceded by a longitudinal cutting device 5, with which the total web GB arriving from the printing units (not shown) or intermediate modules (drying, cooling, etc.) is divided into sub-webs, here in sub-webs B1, B2, B3, B4 , or B1, B2, B5, B6.
  • the longitudinal cutting device 5 may be formed as a pair of draw rollers, as in the present embodiment, in addition to an acting on the overall web GB, upstream Buchzencru 4 is provided.
  • the partial webs B1, B2, B3, B4, B5, B6 turned with turning bar packages 18 according to the desired printed products and passed over or next to each other and so fed to the folding structure 2.
  • the partial webs B1, B2, B3, B4 are guided one above the other and fed via Werwalzencrue 6 a double-width Hauptfalztrichter TR1, or only the partial webs B1, B2, the partial webs B5, B6, however, each supplied via Werwalzencruter ,
  • a linear regulating station 20 is arranged between the turning pole tower 1 and the folding structure 2. This contains per passing part of a web of this in the form of a U-shaped loop. With the help of reciprocating regulating rollers For example, the path traveled by the associated partial web B1, B2, B3, B4, B5, B6 can be lengthened or shortened, as a result of which the position of the print job printed on the web can be regulated.
  • the folding structure 2 contains a plurality of, in the example shown 3 formers TR1, TR2, TRN for producing a continuous L Lucassfalzes run over the stitching strands HS1, HS2, HSN.
  • a stitching strand HS1 consisting of the superimposed partial webs B1, B2, B3, B4 is guided over the main hopper TR1, and in each case a stitching strand HS2, HSN via the two secondary hoppers TR2, TRN.
  • the funnel lugs are flanked by associated hopper inlet roller pairs 7, which may be preceded by additional pairs of pull rollers 7a. At funnel outlet another train group 8 is provided.
  • the funnel inlet roller pairs 7 and the tension roller pairs 7a exert a tensile force on the stapling strand HS1, HS2, HSN running over the assigned former TR1, TR2, TRN.
  • the funnel inlet roller pairs 7 consist of driven pull rollers.
  • the single stitching strands HS1, HS2, HSN are fed to the folding unit 3 where they are stacked before reaching a cutting knife cylinder 12 to form a total stitching strand GHS.
  • the folding unit 3 has a cutting blade cylinder 12, a collecting cylinder 13 and a jaw cylinder 14. Between cutting blade cylinder 12, folding blade cylinder 13 and jaw cylinder 14, the printing material GHS is moved or guided. Other coupled rolls, such as e.g. Perforating rollers are clocked with the cutting blade cylinder 12 and mitzuverstellen within the scope of the invention, when the cutting blade cylinder 12 is adjusted, which can also provide an additive angle setpoint for the drives of the cylinders and belts described below.
  • Other coupled rolls such as e.g. Perforating rollers are clocked with the cutting blade cylinder 12 and mitzuverstellen within the scope of the invention, when the cutting blade cylinder 12 is adjusted, which can also provide an additive angle setpoint for the drives of the cylinders and belts described below.
  • the separated copy is moved to a folding position defined relative folding blade 13 and jaw cylinder 14, wherein when this relative position is reached, a folding blade of the folding blade 13 presses the copy in the folding between open jaws of the jaw cylinder 14, whereas the puncturing the Copy free.
  • the exemplified by the jaw cylinder 14 copy is then moved with rotation of the jaw cylinder 14 and passed to the downstream 3.Falz unit 17 and the Auslegemodul 16.
  • the drive motor of the hopper rollers upstream Strangzugwalzen 7a (not shown in the two side hoppers) is provided by means provided in its vicinity sensors for balancing the accumulated in each single stitching stalk up there cutting register error as an actuator for each Einzelheftstrang HS1, HS2, HSN.
  • the draw rollers 4 can be designed as an actuator with a sensor provided close to it.
  • Another known way of correcting the cut register for each single stitching strand HS1, HS2, HSN is to use the linear regulators 20 as actuators. Since these are measures known per se, the sensors are in the Figures 1 and 2 not shown.
  • FIG. 3 The funnels T1, T2, TN are shown at the top, it being indicated by the three points between T2 and TN that the cutting register control according to the invention in the present embodiment, although guided on the basis of a structure with three formers T1, T2, TN and 3 respectively via a funnel Single stitches HS1, HS2, HSN is explained.
  • the invention is not limited thereto, but can be performed on any number of single stitching strands HS1, HS2, ..., HSN. It is also not necessary to guide each single string via a funnel. Rather, the invention can also be implemented if one or more of the individual stitching strands is guided past the funnels or over a plurality of funnels arranged in several stages. These stitches can come from one or more paper webs.
  • the single stitching strand HS1 serves in the present embodiment as a reference stitching rod for the other two individual stitching threads HS2, HSN.
  • the cut register error of the single stitching strand HS1, which lies in the combined total stitching strand GHS on an outer side, is detected in the vicinity of the draw rolls 11 located at the cutting cylinder 12 by means of a sensor S1.
  • a sensor S1 In order to detect the cutting register errors of the two further individual stitches HS2 and HSN, corresponding optical sensors S2, SN are arranged on a location before the merging of these individual stitching threads HS2, HSN with reference stitching strand HS1. Further, in the web of the two to be set single stitches HS2, HSN each one in the arrow direction linearly displaceable platen V2, VN (actuator) is arranged.
  • the cut register error or position information of the reference string HS1 or corresponding information is sent from the sensors S1A, S1 to a Control device ST transmitted, the cut register error or corresponding position information of the two to be set single stitches HS2, HSN via the sensors S2, SN.
  • control signals are calculated in the control device which are transmitted to the positioning rolls V2, VN or their linear drives To adjust the individual stitches HS2, HSN to be set to the reference value.
  • the resulting cut register error on each of the individual stitches is thus due to the adjusted Einzelheftstrang-Schnittregister Fundamental simultaneously the cut register error of Bacheftstrangs GHS and is brought over a control of the drives M1, M2 of the cutting blade cylinder 12 and the draw rollers 11 in line with the cutting blade 12, including the control signal S1 corresponding to the signal generated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Collation Of Sheets And Webs (AREA)

Claims (18)

  1. Procédé de réglage du registre de coupe dans un groupe de pliage (3) d'une machine d'impression rotative à rouleaux, comprenant une structure de pliage grâce à laquelle une ou plusieurs bandes de brochage individuelles (HS1, HS2, ..., HSN) d'une pluralité de bandes de brochage (HS1, HS2, ..., HSN) pouvant être réunies en une bande de brochage globale (GHS) sont guidées,
    dans lequel, au niveau d'au moins une de la pluralité de bandes de brochage individuelles (HS2,..., HSN), des informations imprimées sur la bande de brochage individuelle respective (HS2,..., HSN) sont détectées et, à partir des informations imprimées, des valeurs correctives pour la correction de l'erreur de registre de coupe d'au moins une des bandes de brochage (HS2,..., HSN) sont déterminées, et l'erreur de registre de coupe est corrigée à l'aide d'au moins un élément de réglage (V2,..., VN) associé à la bande de brochage individuelle respective (HS2,..., HSN),
    la détection des informations imprimées de la bande de brochage individuelle respective (HS2, ..., HSN) et la correction de l'erreur de registre de coupe de la bande de brochage individuelle respective (HS2, ..., HSN) étant réalisée à l'aide de l'élément de réglage respectif (V2, ..., VN) après le passage dans la structure de pliage et avant le regroupement des bandes de brochage individuelles (HS1, HS2, ..., HSN) en une bande de brochage globale (GHS),
    sachant que, au niveau de toutes les bandes de brochage individuelles respectives (HS2,..., HSN) sauf une bande de brochage individuelle (HS1) située à l'extérieur dans la bande de brochage globale (GHS), des informations imprimées sont détectées, que, à partir des informations détectées au niveau de la bande de brochage globale (GHS), des valeurs de référence sont déterminées et que, à partir des informations détectées au niveau des autres bandes de brochage individuelles (HS2,..., HSN), les valeurs correctives sont déterminées sous forme d'écarts par rapport aux valeurs de référence et que la correction de l'erreur de registre de coupe de la bande de brochage individuelle respective (HS2,..., HSN) a lieu pour passer aux valeurs de référence respectives.
  2. Procédé selon la revendication 1, caractérisé en ce que les informations imprimées au niveau de la bande de brochage globale (GHS) sont redétectées et qu'un registre de coupe global de la bande de brochage globale (GHS) est recorrigé à l'aide des informations imprimées redétectées au niveau de la bande de brochage globale (GHS), de préférence par la position angulaire d'un cylindre de lame de coupe (12).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'erreur de registre global résultant d'un écart des valeurs de référence par rapport à une valeur théorique du registre de coupe global de la bande de brochage globale (GHS) est recorrigée par au moins un élément de réglage (M2, M1) situé en aval, de préférence la commande (M1) d'un cylindre de lame de coupe (12) du groupe de pliage (3).
  4. Procédé selon une des revendications précédentes, caractérisé en ce que, seulement au niveau des bandes de brochage individuelles (HS2, ..., SN) où des informations imprimées sont détectées, des éléments de réglage (V2, ..., VN) sont prévus pour la correction de l'erreur de registre de coupe de la bande de brochage individuelle (HS2, ..., HSN) par rapport à la bande de brochage de référence (GHS).
  5. Procédé selon une des revendications précédentes, caractérisé en ce que l'erreur de registre de coupe des bandes de brochage individuelles (HS2, ..., HSN) subissant une correction est corrigée par une modification de la longueur de bande, par exemple par un rouleau de réglage servant d'élément de réglage respectif (V2, ..., VN) et déplaçable dans des guides linéaires.
  6. Procédé selon une des revendications précédentes, caractérisé en ce que l'erreur de registre de coupe de la bande de brochage globale est corrigée en fonction d'une valeur moyenne déterminée à partir des valeurs correctives des bandes de brochage individuelles.
  7. Procédé selon une des revendications précédentes, caractérisé en ce que, au niveau d'au moins une des bandes de brochage individuelles (HS1, HS2,..., HSN), des informations imprimées en amont de rouleaux d'entrée de la trémie (7) sur la bande de brochage individuelle respective (HS2,..., HSN) sont prédétectées, et/ou, au niveau d'au moins une partie de bande (B1,..., B6), entre un dispositif de coupe longitudinale (5) et les rouleaux d'entrée de la trémie (7), et/ou au niveau d'une bande globale (GB) avant l'atteinte du dispositif de coupe longitudinale (5) .
  8. Procédé selon la revendication 7, caractérisé en ce que des signaux de réglage pour au moins un des éléments de réglage (M1, M2, V2, ..., VN) associés à la bande de brochage individuelle (HS2, ..., HSN) ou à la bande de brochage globale (GHS) et situés en aval de la structure de pliage (2) sont corrigés en fonction d'informations imprimées prédétectées.
  9. Procédé selon la revendication 8, caractérisé en ce que, en fonction des informations prédétectées, il est décidé si on peut procéder à un réglage au niveau de l'élément de réglage (M1, M2, V2, ..., VN) installé en aval de la structure de pliage (2).
  10. Procédé selon la revendication 7 ou 8, caractérisé en ce que, en fonction des informations prédétectées, sont établies des limites dans lesquelles un réglage peut être effectué au niveau de l'élément de réglage (M1, M2, V2, ..., VN) installé en aval de la structure de pliage (2).
  11. Procédé selon une des revendications 7 à 10, caractérisé en ce que, au niveau d'au moins une des bandes de brochage individuelles (HS2,..., HSN), au niveau des rouleaux d'entrée de la trémie (7), il est prévu un élément de réglage (7, 7a) disposé en amont, et/ou, au niveau d'au moins une bande individuelle (B1,..., B6), entre un dispositif de coupe longitudinale (5) et est les rouleaux d'entrée de trémie (7), il est prévu un élément de réglage disposé en amont (6), et/ou, au niveau d'une bande globale (GB), il est prévu un élément de réglage disposé en amont (4), et que l'élément de réglage respectif disposé en amont (4, 6, 7, 7a) est réglé en fonction d'informations imprimées prédétectées à sa proximité de manière à ce que l'erreur de registre arrivée jusque-là soit corrigée.
  12. Procédé selon la revendication 11, caractérisé en ce qu'il est prévu comme élément de réglage disposé en amont (5, 6, 7, 7a) une commande des rouleaux d'entrée de trémie (7) ou de rouleaux de traction à proximité des rouleaux d'entrée de trémie (7) et/ou de rouleaux de traction (6) entre le dispositif de coupe longitudinale (5) et les rouleaux d'entrée de trémie (7) et/ou de rouleaux de traction (4) au niveau de la bande globale (GB) avant l'atteinte du dispositif de coupe longitudinale (5), et la vitesse circonférentielle (l'avance) des rouleaux respectifs (4, 6, 7, 7a) sont corrigées en fonction des informations imprimées prédétectées.
  13. Procédé selon la revendication 12, caractérisé en ce que la commande respective (4, 6, 7, 7a) est réglée dans des limites prédéfinies, par exemple +/-0,03 % à raison d'une avance standard, par exemple autour de 0,05 %, et que, grâce à un dispositif de régulation (20), de préférence par un rouleau de régulation déplaçable linéairement, un éventuel écart par rapport à l'avance standard est supprimé lentement ou une avance réelle est ramenée à l'avance standard.
  14. Procédé selon une des revendications précédentes, caractérisé en ce que des informations imprimées au niveau du cylindre à lame de pliage (12) au niveau de la bande de brochage globale (GHS) sont détectées et que la position angulaire, l'avance ou la vitesse de rotation du cylindre à lame de pliage (12) sont corrigées par la commande (M1) du cylindre à lame de pliage (12) en fonction des informations imprimées prédétectées.
  15. Procédé selon une des revendications précédentes, caractérisé en ce que, au niveau de la bande de brochage globale (GHS), des informations imprimées au niveau d'une paire de rouleaux de traction (12) installée en amont d'un cylindre à lame de pliage (12) sont redétectées et que la position angulaire, l'avance ou la vitesse de rotation de la paire de rouleaux de traction (11) sont corrigées par la commande (M2) de la paire de rouleaux de traction (11) en fonction des informations imprimées redétectées.
  16. Machine d'impression rotative à rouleaux, comprenant un groupe de pliage (3) et une structure de pliage grâce auxquels une ou plusieurs bandes de brochage individuelles (HS1, HS2, ..., HSN) d'une pluralité de bandes de brochage (HS1, HS2, ..., HSN) pouvant être réunies en une bande de brochage globale (GHS) sont guidées,
    sachant qu'elle est conçue pour réaliser le procédé selon une des revendications précédentes et présente des capteurs correspondants (S1, S1A, S2,... ; SN) pour la détection et/ou la prédétection, et/ou la redétection des informations imprimées sur les bandes de brochage (GHS, HS1, HS2,..., HSN), les parties de bande (B1,..., B6) ou la bande globale (GB), des éléments de réglage (V2 ;... ; VN, M1, M2, 7, 7a, 6, 4) pour la correction de l'erreur de registre de coupe de la bande de brochage globale respective (GHS), de la bande de brochage individuelles, de la partie de bande respective (B1,..., B6) et/ou de la bande globale (GB), ainsi qu'un dispositif de commande (ST) connecté aux capteurs (S1, S1A, S2,... ; SN) et aux éléments de réglage (V2,..., VN, M1, M2, 7, 7a, 6, 4),
    le capteur correspondant (S1, S1A, S2, ... ; SN) et l'élément de réglage respectif (V2, ..., VN) étant conçus pour, après le passage dans la structure de pliage et avant le regroupement des bandes de brochage individuelles (HS1, HS2, ..., HSN) en une bande de brochage globale (GHS), détecter les informations imprimées de la bande de brochage individuelle respective (HS2, ..., HSN) et corriger l'erreur de registre de coupe de la bande de brochage individuelle respective (HS2, ..., HSN),
    les capteurs (S1, S1A, S2,... ; SN) détectant des informations imprimées sur toutes les bandes de brochage individuelles (HS2,..., HSN) sauf une bande de brochage individuelle (HS1) située à l'extérieur dans la bande de brochage globale (GHS), sachant que, à partir des informations détectées au niveau de la bande de brochage globale (GHS), des valeurs de référence sont déterminables et que, à partir des informations détectées au niveau des autres bandes de brochage individuelles (HS2,..., HSN), les valeurs correctives sont déterminées sous forme d'écarts par rapport aux valeurs de référence et que la correction de l'erreur de registre de coupe de la bande de brochage individuelle respective (HS2,..., HSN) a lieu pour passer aux valeurs de référence respectives.
  17. Machine d'impression rotative à rouleaux selon la revendication 16, caractérisée en ce qu'il est prévu, comme éléments de réglage (V2, ..., VN) pour les bandes de brochage individuelles (HS2, ..., HSN), des rouleaux de réglage (V2, ..., VN) déplaçables dans des guides linéaires.
  18. Machine d'impression rotative à rouleaux selon la revendication 16 ou 17, caractérisée en ce que, en amont d'au moins une des commandes prévues en tant qu'élément de réglage disposé en amont (5, 6, 7, 20) des rouleaux d'entrée de trémie (7) ou de rouleaux de traction (7a) à proximité des rouleaux d'entrée de trémie (7) et/ou de rouleaux de traction (6) entre le dispositif de coupe longitudinale (4) et les rouleaux d'entrée de trémie (7) et/ou de rouleaux de traction (5) au niveau de la bande globale (GB), avant l'atteinte du dispositif de coupe longitudinale (4), est disposé un dispositif de régulation (20) qui est réalisé de préférence sous forme d'un rouleau régulateur déplaçable linéairement.
EP09157125.7A 2008-04-03 2009-04-01 Réglage d'un registre de coupe Active EP2108511B1 (fr)

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DE102008017532A DE102008017532A1 (de) 2008-04-03 2008-04-03 Schnittregisterregelung

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DE102010030658B4 (de) * 2010-06-29 2013-06-20 Koenig & Bauer Aktiengesellschaft Verfahren zur Regelung einer Lage einer von einer Halteeinrichtung am Umfang eines Zylinders eines Falzapparates zu haltenden Produktsektion

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Publication number Publication date
EP2108511A2 (fr) 2009-10-14
ES2745448T3 (es) 2020-03-02
US20090272287A1 (en) 2009-11-05
DE102008017532A1 (de) 2009-10-08
EP2108511A3 (fr) 2017-12-27
JP2009248570A (ja) 2009-10-29

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