EP1347878B1 - Procede pour reguler un reperage circonferentiel dans une rotative a bobine - Google Patents

Procede pour reguler un reperage circonferentiel dans une rotative a bobine Download PDF

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Publication number
EP1347878B1
EP1347878B1 EP01997393A EP01997393A EP1347878B1 EP 1347878 B1 EP1347878 B1 EP 1347878B1 EP 01997393 A EP01997393 A EP 01997393A EP 01997393 A EP01997393 A EP 01997393A EP 1347878 B1 EP1347878 B1 EP 1347878B1
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EP
European Patent Office
Prior art keywords
printing
web
tensioning
printing unit
angle position
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.)
Expired - Lifetime
Application number
EP01997393A
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German (de)
English (en)
Other versions
EP1347878A1 (fr
Inventor
Erhard Herbert GLÖCKNER
Reinhard Georg GROß
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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Filing date
Publication date
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Publication of EP1347878A1 publication Critical patent/EP1347878A1/fr
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Anticipated expiration legal-status Critical
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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
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • B41F13/14—Registering devices with means for displacing the cylinders
    • 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
    • B65H23/044—Sensing 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
    • 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
    • B65H2513/11—Speed angular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/31—Tensile forces
    • 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 methods for controlling a circumferential register according to claims 1 or 8.
  • EP 09 51 993 A1 a regulation of the transverse and longitudinal register is known, wherein the correction of the transverse register is effected by means of a tension roller.
  • a change in longitudinal strain is determined by web speeds and other parameters, such as stress-strain and tension setpoints, and fed back to cylinder pressure regulators and / or an actuator for adjustment and correction of the cut register.
  • WO 00/34042 discloses a method for controlling a register, wherein a deviation of a web tension from a desired value changes a rotational speed and / or angular position of a first pressure point relative to a second pressure point.
  • EP 0 950 519 A1 discloses a method for controlling the cut and color register of a plurality of webs to each other and between the individual printing units. Strains are determined on the basis of the operating points of the drives for transport rollers, the employed cylinders and draw rollers and calculated therefrom calculated correction variables as position offset the reference variables for the cutting register or the color register.
  • the invention has for its object to provide methods for controlling a circumferential register in web-fed rotary printing presses.
  • the achievable with the present invention consist in particular that an error in the circumferential register due to voltage fluctuations or fluctuations in the extent of printing cylinders, z. B. caused by short-term changes in a thickness of the web is counteracted without much measurement and control effort.
  • the error to be corrected may be a registration error (error in the so-called color register) or a registration error between the two sides of the printed web.
  • a difference in the transport speed of the web between two pressure points is corrected with a change in the relative rotational position of the pressure points relative to one another.
  • the method and a corresponding device can be used for register offset in printing units with several successive or stacked double printing in rubber-against-rubber operation such.
  • H-pressure units put together eight-high pressure tower, wherein at least two of the pressure points successively print on the same side of a web.
  • the method is advantageously usable to control the register between the two sides of the web.
  • a temporal change of the voltage after the last printing unit i. H. a difference in the voltage at a first and a second time, directly and linearly used to correct the registration offset of the second H-pressure unit relative to the first. This requires a very low measurement and control effort with sufficient accuracy.
  • a voltage control for. B. be dispensed by means of a torque-controlled draw roller behind the printing tower.
  • An unregulated pull roll with controlled speed is sufficient here.
  • a z. B. caused by a splice register offset is corrected in an advantageous embodiment exclusively on the circumferential register of the cylinder, in particular the cylinder of the first printing unit or the first two printing units.
  • the two first printing units for example as an H printing unit, can be controlled jointly, so that only a single correction quantity is determined, and a single correction must be made.
  • a web-fed rotary printing press has a four-high tower 01 and a roll changer 02. From the roll changer 02 runs during printing a web 03, z. B. a paper web 03, for example via an unillustrated Einzugtechnik, through the four-tower 01 therethrough.
  • the four-high tower 01 has a total of four printing units 04; 06; 07; 08, equivalent to four terminal points 04; 06; 07; 08, up.
  • these printing units 04; 06; 07; 08 as double printing units 04; 06; 07; 08 and work during printing in rubber-against-rubber operation.
  • Two of the printing units 04; 06 are within a first, in the example lower H-pressure unit 09, and the other two pressure units 07; 08 within a second, in the example upper H-pressure unit 11 is arranged.
  • Each of the printing units 04; 06; 07; 08 has at least 3, four cylinders 12 in the example; 13; 14; 16, z.
  • Example a first forme cylinder 12, a cooperating with the first forme cylinder 12 transfer cylinder 13, one with the transfer cylinder 13 via the paper web 03 cooperating impression cylinder 14, and, if the impression cylinder 14 as here designed as a second transfer cylinder 14, one with this cooperating second forme cylinder 16.
  • Each of the printing units 04; 06; 07; 08 has in the example representative at least one drive motor 17; 18; 19; 21 on. However, it can also each cylinder 12; 13; 14; 16 of each printing unit 04; 06; 07; 08 or also each pair of transfer cylinders 13; 14 and forme cylinder 12; 16 together have a drive motor. However, it is also possible that the lower H-pressure unit 09 by means of a drive motor 17; 18 and the upper H-pressure unit 11 by means of a drive motor 19; 21 form driven drive network. After the last printing unit 08, a tension roller 22 is arranged. Between the reel changer 02 and the first printing unit 04, a retraction unit 23 (symbolized by a tension roller) is arranged. The printing units 04, 06; 07, 08 are not shown inking units and possibly associated with dampening units.
  • the paper web 03 changes its stress-strain characteristic due to moisture (color, possibly dampening solution).
  • the voltage levels before and after the four-tower 01 will be selected such that an elongation before and after the four-tower 01 is approximately the same.
  • the voltage S1 is usually higher than the voltage S5.
  • the splice has z. B. an area which two layers of the paper web 03 and an adhesive layer, for. As an adhesive strip includes.
  • a so-called adhesive flag i. a range of two-ply paper, can go well beyond the width of the bond.
  • the paper web 03 thus has a region 24 with a greater thickness, which moves through the printing press.
  • the area 24 of greater thickness passes through a printing unit 04; 06; 07; 08, so due to the increased thickness and the fixed center distance of the cooperating cylinder 13; 14 an elastic support on the cylinders 13; 14, z. B. blankets, slightly compressed.
  • the peripheral speed of the cylinder 13 is reduced; 14.
  • the higher peripheral speed is still present in the printing unit 07, while at the same time the peripheral speed in the printing unit 06 is lowered when passing through the region 24.
  • Between the printing units 04; 06; 07; 08 and after the four-tower 01 thus increases the level of the voltages S2 abruptly; S3; S4, S5 (Fig. 2 for the voltage S5).
  • the sudden increase of the voltages S2; S3; S4; S5, and thus also the strain is dependent on the original levels of the stresses S1; S2; S3; S4; S5, in particular a difference between S1 and S5, and the length of the adhesive tail, ie the length of the region 24 of greater thickness.
  • the latter in particular with staggered cylinders, ie several channels on a lateral surface of the cylinder are juxtaposed in the axial direction, but offset from each other in the circumferential direction.
  • the length of the adhesive tail is greater than or equal to the distance of the channels in the circumferential direction, so a partial relief can take place.
  • the sudden increase of the voltage S2; S3; S4; S5, in particular the voltage S5 of a target value S-soll behind the four-tower 01 z. B. determined by a difference .DELTA.S (FIG. 2) before and after passing through the area 24 and further processed.
  • a correction quantity K is formed, and the occurred register offset ⁇ P between two printing units 04; 06; 07; 08 or between two H-pressure units 09; 11 corrected.
  • This compensation is made i. d. R by a relative change ⁇ an angular position ⁇ , z. B. the angular position ⁇ , the considered H-pressure units 09; 11 or the cylinder 12; 13, 14; 16 of the considered printing units 04; 06; 07; 08 to each other.
  • the voltage S5 by means of a measuring device 26, z. B. a sensor 26 such. B. a measuring roller 26, after the four-tower 01, here following a catch roller 28, determined and given to the controller 27, a computer 27 or to the control computer 27. From the difference .DELTA.S determines the controller 27 or the calculator 27, the average correction quantity K between the lower H-pressure unit 09 and the upper H-pressure unit 11.
  • the angular position ⁇ of the lower H-pressure unit 09 in particular that of the forme cylinder 12; 16 of the printing units 04 and 06, is now by a corresponding change ⁇ in the rotation angle ⁇ relative to the lower H-pressure unit 09, in particular the forme cylinder 12; 16, twisted and thus the occurred Passerversatz ⁇ P corrected.
  • each printing unit 04; 06 at least one each, with double printing units 04; 06 at least two, cylinder 12; 13; 14; 16, advantageously each of the forme cylinder 12; 16 changed in their relative angular position ⁇ .
  • the deviation between the one H-pressure unit 09; 11 associated printing units 04; 06 or 07; 08 is, in particular for the newspaper printing, within the permissible tolerances for the deviation in the register.
  • the described regulation of the circumferential register is advantageous for at least three successively arranged printing units 04; 06; 07; 08, wherein a distance a1 (eg 0.4 m to 1 m) between the two first clamping points 04; 06 is significantly smaller than a subsequent distance a2 (eg> 1 m) to a third nip 07.
  • the four-high tower 01 from two H-pressure units 09; 11 is an example for this.
  • on the way between the short distance a1 successive first two printing units 04; 06 is a moisture influence, and thus a voltage-induced register offset ⁇ P low, so that the control for the first two pressure units 04; 06 in the same way relative to the upper pressure units 07; 08, and not in addition to each other, can be done.
  • the regulation of the correction of the register offset .DELTA.P by means of the correction quantity K as a function of the difference .DELTA.S from the initially spontaneously increasing and subsequently decreasing change of the voltage S5 by a difference .DELTA.S is preferably carried out as a proportional control, wherein between the difference .DELTA.S of the voltage S5 and the Correction K advantageously a linear relationship is established.
  • the control device 27 is designed as a proportional controller 27 in an advantageous embodiment.
  • the pitch a is for the regulation of the lower H-pressure unit 09 relative to the upper H-pressure unit 09 for the considered four-tower 01 between 1 / (35 daN / m / mm) and 1 / (45 daN / m / mm), in particular at about 1 / (40 daN / m / mm) when the difference ⁇ S of the voltage S5 in daN / m and the correction amount K of the registration error ⁇ P on the circumference of the cylinder 12; 13; 14, 16 are measured in mm.
  • the rotational angular position ⁇ for the lower H-pressure unit 09 is corrected relative to the upper H-pressure unit 11 such that an offset on the circumference of modified cylinder 12; 13; 14; 16 by about 0.25 mm.
  • the change ⁇ in the rotational angle position is proportional to the correction value K and the register offset ⁇ P.
  • the relative change ⁇ is thus for example for the above cylinder in about 0.12 ° - 0.13 °.
  • a change in the angular velocity ⁇ done instead of the change ⁇ of the angular position can for a certain time, a change in the angular velocity ⁇ done.
  • a quality variable Q or a quality function Q for taking into account the present grade of the paper web 03 (moisture behavior and / or stress-strain characteristic, etc.) of said dependence to be superimposed.
  • the desired correction by the correction quantity K or the change ⁇ in the rotational angle position ⁇ or the angular velocity ⁇ is thus a function of the voltage S5 or the difference ⁇ S of the circumference of the cylinder 12 to be corrected; 13; 14; 16 and the quality size Q.
  • the correction of the register offset .DELTA.P is carried out in a preferred embodiment only by means of register adjustment.
  • a voltage regulation in the range of the voltage S5 behind the last printing unit 08 does not take place in this context.
  • the tension roller 22 is designed as a tension roller 22 which is controlled with respect to its rotational speed and to which neither tension values nor torque values have to be traced.
  • the measured voltage S5 is advantageously used to control the voltage S1 (shown by dashed lines in FIG. 1) in order to meet the requirement of the above-mentioned. Condition of a larger voltage S1 compared to S5 meet.
  • Particularly suitable is the method and a corresponding device for controlling the circumferential register for the correction of the registration offset ⁇ P, which occur during the stationary printing operation as short-term disturbances, for example due to the flying change of paper rolls of the same quality. After this disorder, stationary conditions and the same paper quality are usually present again.
  • each of the cylinders 12; 13; 14; 16 each printing unit a separate drive motor 17; 18; 19; 20 on.
  • all the drive motors 17; 18 one of the two printing unit 04; 06 or all drive motors 17; 18 of the two lower pressure units 04; 06 corrected by the same value at the same time.
  • the method for controlling the circumferential register is also for other configuration of the printing press than the four-high tower 01 with at least two printing units 04; 06; 07; 08 suitable if these several spaced apart in the direction of the web 03 from each other clamping points 04; 06; 07; 08 or printing units 04; 06; 07; 08 or also pressure points 04; 06; 07; 08 has.
  • This can be, for example, a printing machine which is a plurality of bridge printing units arranged on top of each other or a plurality of juxtaposed standing rubber-against-rubber printing units with horizontal guidance of the paper web 03.
  • the respective first transfer cylinder 13 can also interact with a counter-pressure cylinder 14 designed as a steel cylinder 14.
  • the voltage S5 is measured, and arranged before the last printing unit 08 printing units 04; 06; 07 regulated by the difference .DELTA.S and the voltage S5.
  • This can again in groups with several consecutive printing units 04; 06 or also each with individual printing units 04; 06; 07 happened.
  • the printing units 04; 06; 07 are in principle regulated against the unmodified last printing unit 08. Between the first and second printing units 04; As a rule, no relative change has to be made because of the not yet complete moisture penetration.
  • the method in an embodiment not shown in the same way also suitable to control the register between the two successive printed pages of the web 03.
  • This is for example for the arrangement of two, each one or more pressure points having satellite printing units 09; 11 of advantage.
  • the satellite printing units 09; 11, z. B. run as a so-called.
  • Nine-cylinder satellite or ten-cylinder satellite are traversed by the train 03 successively, wherein in one of the printing units 09; 11 the one side of the web 03, and then in the other printing unit 11; 09 the other side of the web 03 is printed one or more colors.
  • a measurement and evaluation of the difference ⁇ S in the voltage S2; S3; S4; S5 can for separate requirements between the individual terminal points 04; 06; 07; 08 and a change in the rotational position of the preceding terminal points 04; 06; 07; 08 be effected.

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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)
  • Handling Of Sheets (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (17)

  1. Procédé pour réguler un repérage circonférentiel dans une machine à imprimer rotative à bobines, comprenant au moins deux unités d'impression (04 ; 06 ; 07 ; 08) parcourues l'une après l'autre par une bande (03), une valeur réelle d'une tension mécanique (S5) de la bande (03) étant déterminée et, en fonction de cette tension mécanique (S5), une position angulaire (Δφ) et/ou une vitesse angulaire (Δφ) d'au moins un cylindre (12 ; 13 ; 14 ; 16) d'une première unité d'impression (04 ; 06 ; 07 ; 08), par rapport à une position angulaire (Δφ) et/ou une vitesse angulaire (Δφ) d'au moins un cylindre (12 ; 13 ; 14 ; 16) d'une deuxième unité d'impression (04 ; 06 ; 07 ; 08) étant régulée, caractérisé en ce que la tension mécanique (S5) est déterminée en aval d'une dernière des unités d'impression (08) en observant dans le sens de production, et en ce que, en fonction de cette tension mécanique (S5), mesurée en aval de la dernière unité d'impression (08), la régulation de la position angulaire (Δφ) et/ou de la vitesse angulaire (Δφ) s'effectue sur la première unité d'impression (04 ; 06 ; 07), en observant dans le sens de production.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une différence (ΔS) est formée à partir de la tension mécanique (S5) mesurée avec une valeur de consigne (S-Consigne), et en ce que la position angulaire (Δφ) et/ou la vitesse angulaire (Δφ) est/sont modifiée(s) en fonction de cette différence (ΔS).
  3. Procédé selon la revendication 2, caractérisé en ce que la valeur de la modification nécessaire de la position angulaire (Δφ) et/ou de la vitesse angulaire (Δφ) est formée en fonction d'une valeur de qualité (Q) ou d'une fonction de qualité (Q), caractérisant la qualité de la bande (03).
  4. Procédé selon la revendication 1, caractérisé en ce que, en fonction de la tension mécanique (S5), la position angulaire (Δφ) et/ou la vitesse angulaire (Δφ), au moins d'un cylindre (12 ; 13 ; 14 ; 16) de la première unité d'impression (04) dans le sens de production, est modifiée.
  5. Procédé selon la revendication 1 ou 3, caractérisé en ce que, en fonction de la tension mécanique (S5), des positions angulaire (Δφ) et/ou des vitesses angulaires (Δφ), de cylindres (12 ; 13 ; 14 ; 16) des deux premières unités d'impression (04 ; 06), sont modifiées.
  6. Procédé selon la revendication 5, caractérisé en ce que la modification de la position angulaire (Δφ) et/ou de la vitesse angulaire (Δφ) pour les deux unités d'impression (04 ; 06) s'effectue, de la même valeur.
  7. Procédé selon la revendication 2 ou 3, caractérisé en ce que des positions angulaires (Δφ) et/ou des vitesses angulaires (Δφ) de cylindres (12 ; 13 ; 14 ; 16) des deux premières unités d'impression (04 ; 06), qui sont les premières en observant dans le sens de production de la bande (03) et qui sont réalisées sous la forme de première unité d'impression en H (09), sont modifiées, simultanément et de la même valeur, en fonction de la différence (ΔS) de tension mécanique (S5), en aval des unités d'impression (07 ; 08) réalisées sous la forme de deuxième unité d'impression H (11).
  8. Procédé pour réguler un repérage circonférentiel dans une machine à imprimer rotative à bobines avec une première unité d'impression (09), présentant plusieurs points d'impression (04 ; 06 ; 07 ; 08) pour au moins une face de la bande (03), et une deuxième unité d'impression (11), présentant plusieurs points d'impression (07 ; 08 ; 04 ; 06) pour la même face et/ou l'autre face de la bande (03), une valeur réelle d'une tension (S5) d'une bande (03) passant dans les unités d'impression (09 ; 11) étant déterminée, en aval du dernier point d'impression en observant dans le sens de production, entre la tension mécanique (S5) déterminée et une valeur de consigne (S-Consigne) étant formée une différence (ΔS) et, en fonction de cette différence (ΔS), est régulée une position angulaire (Δφ) d'au moins deux cylindres (12 ; 13 ; 14 ; 16) de la première unité d'impression (09), disposée en amont de la dernière unité d'impression (11), par rapport à la position angulaire (Δφ) d'au moins un cylindre (12 ; 13 ; 14 ; 16) de la deuxième unité d'impression (11), sachant que les positions angulaires (Δφ) des cylindres (12 ; 13 ; 14 ; 16) à réguler de la première unité d'impression (09) sont toutes modifiées de la même valeur.
  9. Procédé selon la revendication 1 ou 8, caractérisé en ce que, au moyen du procédé, le repérage circonférentiel d'une machine à imprimer rotative présentant deux unités d'impression en H (09 ; 11) est régulé.
  10. Procédé selon la revendication 8, caractérisé en ce que, au moyen du procédé, le repérage circonférentiel d'une machine à imprimer à bobine présentant deux unités d'impression à satellites (09 ; 11) est régulé.
  11. Procédé selon la revendication 2 ou 8, caractérisé en ce que la valeur de la modification, nécessaire pour la position angulaire (Δφ) et/ou la vitesse angulaire (Δφ), est déterminée en tant que fonction de la différence (ΔS) de la tension mécanique (S5) et d'une qualité de la bande (03).
  12. Procédé selon la revendication 2, 3 ou 8, caractérisé en ce que la valeur de la modification de la position angulaire (Δφ) et/ou de la vitesse angulaire (Δφ) est formée, au moyen d'une relation linéaire entre la différence (ΔS) de la tension mécanique (S5) et de la modification de la position angulaire (Δφ) et/ou de la vitesse angulaire (Δφ).
  13. Procédé selon la revendication 1, 3 ou 8, caractérisé en ce qu'une tension mécanique (S1 ; S2 ; S3 ; S4 ; S5), sur le chemin allant d'un changeur de bobine (02) à un organe de traction (22), est régulée uniquement entre le changeur de bobine (02) et la première unité d'impression (04).
  14. Procédé selon la revendication 1, 3 ou 8, caractérisé en ce que la tension mécanique (S1), en amont de la première unité d'impression (04), est réglée à une valeur au moins de 10 daN/m supérieure à la tension mécanique (S5), en aval de la dernière unité d'impression (08).
  15. Procédé selon la revendication 1, 3 ou 8, caractérisé en ce qu'une correction d'un décalage de repérage (ΔP) pendant le fonctionnement en production stationnaire s'effectue sans régulation de la tension mécanique (S2 ; S3 ; S4 ; S5) et sans système d'identification optique, uniquement par le biais de la relation fonctionnelle avec la tension mécanique (S5) en aval de la dernière unité d'impression (08) et, le cas échéant, d'une qualité de la bande (03).
  16. Procédé selon la revendication 1, 3 ou 8, caractérisé en ce qu'un rouleau de traction (22), disposé en aval de la dernière unité d'impression (08), est régulé à une vitesse de rotation constante.
  17. Procédé selon la revendication 2, 3 ou 8, caractérisé en ce que, après une augmentation spontanée de la tension mécanique (S5), est effectuée d'abord une modification de la position angulaire (Δφ) et/ou de la vitesse angulaire (Δφ), de manière correspondante à la différence (ΔS) dans un premier sens et, ensuite, au fur et à mesure que la différence (ΔS) diminue, une modification est effectuée dans le sens inverse.
EP01997393A 2000-11-27 2001-11-21 Procede pour reguler un reperage circonferentiel dans une rotative a bobine Expired - Lifetime EP1347878B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10058841A DE10058841B4 (de) 2000-11-27 2000-11-27 Verfahren zur Regelung eines Umfangsregisters
DE10058841 2000-11-27
PCT/DE2001/004368 WO2002042075A1 (fr) 2000-11-27 2001-11-21 Procede pour reguler un reperage circonferentiel dans une rotative a bobine

Publications (2)

Publication Number Publication Date
EP1347878A1 EP1347878A1 (fr) 2003-10-01
EP1347878B1 true EP1347878B1 (fr) 2007-05-30

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EP01997393A Expired - Lifetime EP1347878B1 (fr) 2000-11-27 2001-11-21 Procede pour reguler un reperage circonferentiel dans une rotative a bobine

Country Status (6)

Country Link
US (1) US6766737B2 (fr)
EP (1) EP1347878B1 (fr)
AT (1) ATE363389T1 (fr)
AU (1) AU2002218991A1 (fr)
DE (2) DE10058841B4 (fr)
WO (1) WO2002042075A1 (fr)

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JP3925791B2 (ja) * 2002-03-08 2007-06-06 リコープリンティングシステムズ株式会社 印刷装置
EP1342685B1 (fr) * 2002-03-08 2013-07-03 Komori Corporation Procédé de commande d'un appareil pour régler la position de coupe sur une bande et dispositif pour sa mise en oeuvre
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EP1347878A1 (fr) 2003-10-01
AU2002218991A1 (en) 2002-06-03
US20040020391A1 (en) 2004-02-05
ATE363389T1 (de) 2007-06-15
DE10058841A1 (de) 2002-06-13
DE50112577D1 (de) 2007-07-12
US6766737B2 (en) 2004-07-27
WO2002042075A1 (fr) 2002-05-30
WO2002042075B1 (fr) 2002-10-24
DE10058841B4 (de) 2009-07-30

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