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EP1657197B1 - Procédé pour ajuster la tension de la bande - Google Patents

Procédé pour ajuster la tension de la bande Download PDF

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Publication number
EP1657197B1
EP1657197B1 EP06101352A EP06101352A EP1657197B1 EP 1657197 B1 EP1657197 B1 EP 1657197B1 EP 06101352 A EP06101352 A EP 06101352A EP 06101352 A EP06101352 A EP 06101352A EP 1657197 B1 EP1657197 B1 EP 1657197B1
Authority
EP
European Patent Office
Prior art keywords
soll
nominal value
value
change
web
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
EP06101352A
Other languages
German (de)
English (en)
Other versions
EP1657197A3 (fr
EP1657197A2 (fr
Inventor
Harald Gretsch
Reinhard 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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE2002104484 external-priority patent/DE10204484B4/de
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1657197A2 publication Critical patent/EP1657197A2/fr
Publication of EP1657197A3 publication Critical patent/EP1657197A3/fr
Application granted granted Critical
Publication of EP1657197B1 publication Critical patent/EP1657197B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/264—Calculating means; Controlling methods with key characteristics based on closed loop control
    • B65H2557/2644—Calculating means; Controlling methods with key characteristics based on closed loop control characterised by PID control
    • 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 controlling a web tension according to the preamble of claim 1.
  • the DE 198 34 725 A1 shows, inter alia, a method for controlling a web tension, wherein web tension actual values before and / or after the printing units of a control device is supplied, which controls the web tension at the feed train such that despite disturbances such.
  • the invention has for its object to provide a method for controlling a web tension.
  • the achievable with the present invention consist in particular in that by means of a pre-regulation or feedforward at a predictable disturbance, in particular a roll change, expected effect on the printing process reduced, and thus the accumulated amount of waste can be minimized.
  • the regulation takes place shortly before or with the occurrence of the fault on an affected unit and not after a negative effect.
  • a long settling time and the risk of a web break can be reduced.
  • the reduction or elimination of an effect on an expected disturbance thus accesses the disturbance itself, or proceeds without being dependent on retrospectively determined measured values at the same time as the structure of the disturbance.
  • measured values for the web tension can additionally be used. This can be advantageous for optimization and / or for a self-optimizing or learning system.
  • the disorder when changing substrates or their roles is counteract by means of the scheme and the accumulated amounts of waste can be minimized.
  • this is achieved in that when gluing, the section of the "old" train or entry of the beginning of a new printing material in the Pressing a pre-regulation or precontrol of drives or adjusting elements with regard to the expected changes in the web tension occurs.
  • the pre-control or pre-regulation significantly reduces the response times of the feedback control during production (cause-effect countermeasure) and / or the time of a transient or asymptotic approach to the target value.
  • a complex color register control to compensate for a negative impact of the roll change can be omitted.
  • the voltage is preferably lowered at the intake train in one embodiment by a predetermined value, and in another embodiment to a certain, predetermined value.
  • This offset can be superimposed as a one-time amount, as discrete steps or as a continuous function within a time interval to the setpoint at the infeed station.
  • the time interval can be z.
  • the offset or the ramp without ramp at the relevant time in the form of a step function is abandoned.
  • the actuators or the individual drives can still, for example by means of a corresponding control command, already with entry or in advance of the occurrence of the fault, z. B. the new web start in the printing press, a correction, so as to minimize the expected error or compensate.
  • a processing machine z. B. a web-fed rotary printing press, has along a production direction, d. H. along a path of a web 01, z. B. a printing substrate 01, in particular a paper web 01, in the transport direction T more processing stages or units.
  • FIG. B. a roll changer 02, an infeed 03, one or more printing units 04; 06, a tension roller 07, possibly a longitudinal cutting device 08, Wende 09 and register devices 11, such.
  • B. a longitudinal register roller 11, a further draw roller 12, z. B. as so-called.
  • other processing stages not shown, such. B. coating unit, dryer, etc., be arranged.
  • Each printing unit 04; 06 has one or more printing units 16; 17; 18; 19, z. B. double printing units 16; 17; 18; 19 for the two-sided printing, on, wherein the printing units 16; 17; 18; 19 can be arranged side by side or one above the other.
  • the printing units 16; 17; 18; 19 can be arranged side by side or one above the other.
  • They may be next to each other or one above the other, with horizontal or vertical course of the web 01.
  • the web 01 is unwound from the roll changer 02 and passes through the printing units 16; 17; 18; 19, which the web 01 successively z. B. print four times on the same page.
  • the registration for double-sided printing the registration and when merging several webs 01; 01 'or partial webs 01; 01 'and the cutting across the cut register, can be checked at one or more points along the path of the web 01, the Passer- or Registerhaltmaschine.
  • This is done for fully automatic printing machines, for example by means of the measurement of the position of the printing units 16; 17; 18; 19 applied marks or printed images by means of a sensor, not shown.
  • the signals of the sensor are supplied in this case a control unit, not shown, for the correction of registered deviations in the register and register, whereupon z.
  • adjusting means such as longitudinal register rollers, angular positions, etc. are provided.
  • Changes in web tension are usually by measuring rollers at one or more points on the way of the web 01, such.
  • the measuring roller 21 shown by way of example behind the last printing unit 19, or determined in another suitable manner, processed in a control unit 22, and in deviation from a desired value or a permissible range back to this or these returned.
  • the voltage S1 is determined behind the last printing unit 19, processed in the control unit 22 and given a signal to the drive of the tension roller 07 and / or the feed unit 03 to maintain the desired voltage S1.
  • a voltage S0 before the first printing unit 16 determines the level for all the stresses on the path of the web 01 to the hopper inlet and is regulated for example via the feed train 03.
  • a control principle operating in this way leads back to the desired setpoint value by controlling drives or actuators in the event of a measured, already occurred deviation of an actual value from a setpoint value
  • Such a control principle is, for example, during the normal "continuous pressure, without strong fluctuations in the conditions used; It therefore reacts to changes that have already occurred and registered.
  • the cause of disturbances and resulting changes can be manifold: z.
  • changes in the machine state such as accelerations, changes in sizes from the printing process such as fountain solution or ink supply, changes in contact pressures, changes in the properties of the web 01 as the stress-strain behavior, the thickness, the moisture absorption, etc.
  • An essential, but also foreseeable disturbance is a roll change and the associated run of a connection 26 between an old and a new web 01, in particular a splice 26 by the printing press.
  • the splice 26 has a larger compared to the thickness of the single web 01 Starch, optionally plus an adhesive tape or adhesive, and of the web 01 different elastic properties.
  • old and new web 01 can also have different properties (moisture, winding hardness and / or stress-strain characteristics).
  • the present method of regulation now provides for the imminent change in the voltage S0; S1 counteract in such a way that a setpoint specified by the regulation S0-soll; S1-should be changed, in particular lowered.
  • the setpoint is S0-soll; S1-soll should by a certain amount ⁇ S-soll compared to the "normal" setpoint S0-soll; S1-soll, and in a second example, at least temporarily, to a predefinable new setpoint S0-fix; Lowered S1-fix. Both are done in a preferred embodiment by lowering the target value S0-soll the voltage S0 before the first printing unit 16 by means of the feed unit 03rd
  • Fig. 2 shows schematically a time course z.
  • the voltage S1 without the application of the method described.
  • a steep rise in the voltage S1 sets in, which continues until the splice 26 enters the funnel inlet.
  • the voltage S1 is on a level increased by an amount ⁇ S1 level and degrades only slowly. The increased, and in particular with a large amplitude of the setpoint S0-soll; S1-should be different level in the voltages S0; S1 etc. caused by changing the elongation register errors between the printing units 16 to 19.
  • the amount .DELTA.S-soll may in particular also be selected in such a way that the voltage S0 resulting from the change in the setpoint value S0-soll after the reduction is initially below the original setpoint value S0-soll; S1-soll, and after passing through the setpoint S0-soll; S1-soll should be above the setpoint S0-soll; S1-soll should oscillate, with the respective absolute deviation in the minimum or the maximum of the original setpoint S0-soll; S1-should be significantly higher than the resulting deviation without the sag.
  • the voltage S0; S1 then oscillates with significantly reduced amplitude around the original setpoint S0-soll; S1-soll. This amount ⁇ Ssoll can z. B.
  • Fig. 3 is a schematic, and parallel to the voltage S0 or S1 of Fig. 2, the time course of the setpoint S0-soll applied.
  • the target value S0-soll is lowered. This can be done in a single step, continuously (eg as a ramp) or in several stages as shown in FIG.
  • the setpoint value S0-soll is not lowered in one step, but in a time interval ⁇ t, which can be determined from the empirical values on the one hand and, in particular, by the transit time of the web 01 from the infeed 03 to the hopper infeed roller 12.
  • the setpoint value S0-soll which is ultimately reduced by the amount .DELTA.S-soll, may in one embodiment be increased by a time interval .DELTA.t '(FIG. 3) over the time of the expected without lowering Maximum of the voltage S1 (FIG. 2), before the setpoint value S0-soll is then returned to the setpoint value S0-soll desired for the machine state either in one step, continuously or stepwise.
  • the "normal" voltage regulation then takes over again the regulation of the voltages S0; S1 etc, if available.
  • the setpoint value S0-soll is not lowered by a fixed amount ⁇ S-soll, but temporarily to a fixed, but predeterminable and / or variable new value S0-fix.
  • ⁇ S-soll a fixed amount
  • S0-fix a fixed, but predeterminable and / or variable new value
  • Fig. 4 the time course of the setpoint S0-soll is shown, which initially remains at a constant level.
  • This setpoint S0-soll is now intentionally lowered to a fixed value S0-fix in the context of a foreseeable disturbance, in particular a roll change.
  • the lowering can in principle be carried out at any, but fixed, point in time relative to the time of the roll change, and triggered by a wide variety of signals present or also measured by the control / regulation of the printing press.
  • the lowering is fixed in the example of FIG. 4 on the bonding process (activation of the adhesive roller and / or the bladed knife), but not at the time t K of triggering the adhesive roller and / or the bladed knife, but in anticipation of sticking / cutting earlier respectively.
  • the time interval is, for example, between 50 and 400 ms, in particular 50 and 250 ms.
  • the time for the lowering of the nominal value S0-soll prior to the actual point in time t K of the bonding / cutting is, it is to moor the timing of the lowering of information about the machine state or measurement values of advantage, by means of which also the time t K for gluing / cutting is determined.
  • This can be, for example, a determined diameter of the old, to be changed role.
  • the time for lowering may be correlated relative to a process related to gluing / clipping in direct temporal relationship. Such a process, for example, represents the positioning of an adhesive frame, ie, a time t S of the signal for pivoting.
  • a time t S is z. B.
  • the lowering can, for example, at a certain roll diameter, z. 130 mm, and gluing / cutting at 125 mm.
  • the distance between the two variables used can also be correlated with the instantaneous production speed or rotational speed (eg linear).
  • the setpoint input ie the setpoint S0-setpoint
  • the setpoint input is now z. B. lowered without time ramp in one step to S0-fix, and remains there for a constant, but predeterminable time interval .DELTA.t1.
  • the target value S0-Soll along a Ramp (possibly also along a step function) within a time interval .DELTA.t2 again raised to the original setpoint S0 target.
  • the time intervals .DELTA.t1 and .DELTA.t2 are z. B. in the same order of magnitude, for example, 0.5 * .DELTA.t1 ⁇ .DELTA.t2 ⁇ 2.0 * .DELTA.t1.
  • Fig. 1 an example of a possible control loop for the control of the voltage S0 is schematically integrated.
  • the control unit 22 ensures in a usual control circuit that the voltages S0; S1 on each of the desired setpoint S0-soll; S1-should be held. For this, actual values S0-ist; S1-is supplied as input values, these with the setpoint values S0-soll; S1-shall be compared and provided by appropriate output values corresponding drives.
  • the setpoints S0-soll; For example, S1-soll may be supplied from a machine control 24, or else quantities g supplied from the control unit 22 and characterizing the machine condition may be formed in the control unit 22 itself.
  • the regulation returns to the "normal" voltage regulation with the predetermined setpoint values S0-soll; S1-soll etc. leave.
  • the memory or computing unit 23 are in a development of the invention in addition to the information about the material, eg. As the paper type, and z. B. web width in addition essential, the properties or the behavior of the web 01 influencing variables g from the printing process, the machine condition and / or the web guide, such. B. dampening solution and / or ink supply, current web tension, contact pressures, speed, temperatures, accelerations and / or path of the web 01, respectively.
  • the suitable temporary correction of the setpoint value S0-soll can be selected or calculated by the amount ⁇ S0 for the voltage S0 or the optimized time sequences (time points and time intervals ⁇ t; ⁇ t1; ⁇ t2, ⁇ t ') in the two exemplary embodiments determine or retrieve for the corresponding production.
  • any other suitable method can be used. For example, detecting the steep edge of one of the voltages S0; S1, an optically detected passage of the splice 26 at some point, or the definition of a time relative to the roll change in the context of a program of the machine control determine the time. However, it is important that in order to counteract the disturbance, the setpoint for the voltage is intentionally changed at least temporarily, and not only after the extent of the negative disturbance has been determined.
  • the target value S0-soll in contrast to the second embodiment of the fixed value S0-fix not along a predetermined ramp, but on the basis of a measurement of the voltage S1; S0, in particular the voltage S1 behind the last printing unit 19, z. B. measured by means of the measuring roller 21, to the original setpoint S0-soll (or a new fixed setpoint S0-soll ') returned.
  • a new fixed setpoint S0-soll ' may be required, for example, if z. B. with the roll change and the paper type, i. the basic properties, should be changed. This information can then, for example, taken back from the machine control and in the formation of the setpoint S0-soll; S1-soll; S0-soll 'should be considered for undisturbed operation.
  • the recirculation may for example be based on continuous or discontinuous measurement value decrease, but .DELTA.t m is a valid for the next time interval m setpoint S0-soll m determined in certain, possibly adjustable time intervals on the basis of the measured value and the control is supplied.
  • a resulting step-like feedback of the setpoint value S0-soll is shown by way of example in FIG.
  • the return to the original setpoint S0-soll (or a new setpoint fixed value S0-soll ') can also be determined and specified in another way on the basis of the measured values S1-ist. So z. B. from two or more measured values sections of a slope of partial ramps are determined, in which case the one shown in Fig. 4 Ramp can then depending on the measured values sections have different slopes.
  • the determination and regulation of the setpoint values S0-soll m or the sections-wise defined gradients can be determined from the measurements in an advantageous embodiment, for. B. based on a fuzzy control, be executed in a simpler version by means of a PID controller.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Control Of Eletrric Generators (AREA)
  • Discharge Heating (AREA)

Claims (24)

  1. Procédé pour réguler une tension mécanique (S0 ; S1) d'une bande (01) passant dans plusieurs groupes d'impression (16, 17, 18, 19), sachant que des perturbations se produisant pendant la production, influant sur la tension mécanique (S0 ; S1), sont compensées au moyen d'un dispositif de régulation (22), et la tension mécanique (S0 ; S1) étant maintenue à une valeur de consigne (S0-consigne ; S1-consigne) ou bien dans une plage de valeurs autorisée, et où, au moins provisoirement, la valeur de consigne (S0-consigne ; S1-consigne) pour la tension mécanique (S0 ; S1) ou la plage autorisée est diminuée par rapport à une valeur de consigne (S0-consigne ; S1-consigne) existant actuellement, caractérisé en ce que le retour de la valeur de consigne (S0-consigne), pour la tension mécanique (S0) en amont du premier groupe d'impression (16), se fait en utilisant des valeurs de mesure de la tension mécanique (S1) en aval du dernier groupe d'impression (19).
  2. Procédé selon la revendication 1, caractérisé en ce que la valeur de consigne (S0-consigne ; S1-consigne) pour la tension (S0 ; S1) ou la plage autorisée est abaissée à une valeur fixe (S0-fixe).
  3. Procédé selon la revendication 1, caractérisé en ce que la valeur de consigne (S0-consigne; S1-consigne), concernant la tension (S0; S1) ou la plage autorisée, est abaissée, d'une valeur (ΔS-consigne) susceptible d'être prédéterminée, par rapport à la valeur de consigne (S0-consigne ; S1-consigne) en vigueur actuellement.
  4. Procédé selon la revendication 1, caractérisé en ce qu'une unité de mémoire (3) est prévue, dans laquelle au moins une valeur, concernant l'ampleur (ΔS-consigne) de la modification de la valeur de consigne (S0-consigne ; S1-consigne) ou la valeur fixe (S0-fixe), est déposée.
  5. Procédé selon la revendication 1, caractérisé en ce qu'une unité de mémoire ou de calcul (23) est prévue, dans laquelle au moins une relation pour la détermination d'une valeur (ΔS-consigne) de la modification de la valeur de consigne (S0-consigne ; S1-consigne), est déposée.
  6. Procédé selon la revendication 4 ou 5, caractérisé en ce que la valeur, concernant l'ampleur (ΔS-consigne) ou la valeur (S0-fixe) de la modification, est susceptible d'être prédéterminée et/ou modifiée.
  7. Procédé selon la revendication 1, caractérisé en ce que la valeur de consigne (S0-consigne ; S1-consigne) abaissée est conservée pendant un intervalle de temps (Δt1) constant, mais susceptible d'être prédéterminé.
  8. Procédé selon la revendication 1, caractérisé en ce que la modification ou l'abaissement de la valeur de consigne (S0-consigne ; S1-consigne) s'effectue en une étape, sensiblement sans étendue temporelle.
  9. Procédé selon la revendication 4, caractérisé en ce que la modification ou l'abaissement de la valeur de consigne (S0-consigne ; S1-consigne) se fait de façon discontinue, en intervalles de temps.
  10. Procédé selon la revendication 1, caractérisé en ce que la modification de la valeur de consigne (S0-consigne ; S1-consigne) s'effectue de façon anticipée, ou pendant la perturbation.
  11. Procédé selon la revendication 1, caractérisé en ce que la modification de la valeur de consigne (S0-consigne ; S1-consigne) est effectuée pour la compensation d'une perturbation provoquée par un changement de rouleaux.
  12. Procédé selon la revendication 1, caractérisé en ce que la modification de la valeur de consigne (S0-consigne ; S1-consigne) est effectuée pour la compensation d'une perturbation réalisée sous forme de liaison (26) d'une nouvelle bande à une ancienne bande (01).
  13. Procédé selon la revendication 3, caractérisé en ce que la modification, de la valeur (ΔS-consigne) susceptible d'être prédéterminée, s'effectue de manière qu'elle agisse à l'encontre de la modification escomptée de la tension mécanique (S0 ; S1).
  14. Procédé selon la revendication 1, caractérisé en ce que la valeur de consigne (S0-consigne ; S1-consigne) pour la tension (S0 ; S1) est modifiée avant un premier groupe d'impression (16) se trouvant dans la direction de transport (T) de la bande (01).
  15. Procédé selon la revendication 14, caractérisé en ce que la modification de la valeur de consigne (S0-consigne ; S1-consigne) est provoquée au groupe d'introduction (03).
  16. Procédé selon la revendication 14, caractérisé en ce que la modification de la valeur de consigne (S0-consigne ; S1-consigne) est effectuée au plus tard avec une liaison à d'une ancienne bande (01) à une nouvelle bande (01).
  17. Procédé selon la revendication 14, caractérisé en ce que la modification de la valeur de consigne (S0-consigne ; S1-consigne) est effectuée au plus tard avec le passage de la liaison (26) par un dernier point de serrage, en amont d'un premier groupe d'impression (16) se trouvant dans la direction de transport (T) de la bande (01).
  18. Procédé selon la revendication 1, caractérisé en ce qu'après modification ou abaissement de la valeur de consigne (S0-consigne ; S1-consigne), celle-ci est maintenue constante au nouveau niveau, pour un intervalle de temps (Δt1) pouvant être prédéterminé.
  19. Procédé selon la revendication 18, caractérisé en ce que la valeur de consigne (S0-consigne ; S1-consigne), après l'intervalle de temps (Δt1), est ramenée à sa valeur constante initiale, pour le fonctionnement stationnaire.
  20. Procédé selon la revendication 18, caractérisé en ce que la valeur de consigne (S0-consigne ; S1-consigne), après l'intervalle de temps (Δt1), est ramenée à une nouvelle valeur constante, différente de la valeur de consigne initiale (S0-consigne ; S1-consigne), pour le fonctionnement stationnaire.
  21. Procédé selon la revendication 19 ou 20, caractérisé en ce que le retour de la valeur de consigne (S0-consigne ; S1-consigne) est effectué en fonction du temps, à l'aide d'une fonction prédéterminée.
  22. Procédé selon la revendication 19 ou 20, caractérisé en ce que le retour de la valeur de consigne (S0-consigne ; S1-consigne) est effectué en utilisant des valeurs de mesure pour la tension mécanique (S0-réelle ; S1-réelle).
  23. Procédé selon la revendication 1, 21 ou 22, caractérisé en ce que le retour de la valeur de consigne (S0-consigne ; S1-consigne) est effectué de façon discontinue en des intervalles de temps (Δtn).
  24. Procédé selon la revendication 1, 21 ou 22, caractérisé en ce que le retour de la valeur de consigne (S0-consigne ; S1-consigne) est effectué de façon continue, à l'aide d'au moins une relation temporelle, définie par tronçons.
EP06101352A 2002-02-05 2003-01-22 Procédé pour ajuster la tension de la bande Expired - Lifetime EP1657197B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2002104484 DE10204484B4 (de) 2002-02-05 2002-02-05 Verfahren zur Regelung der Bahnspannung
DE10223380 2002-05-25
EP03706245A EP1472167B1 (fr) 2002-02-05 2003-01-22 Procede et dispositif pour reguler la tension d'une bande

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP03706245A Division EP1472167B1 (fr) 2002-02-05 2003-01-22 Procede et dispositif pour reguler la tension d'une bande

Publications (3)

Publication Number Publication Date
EP1657197A2 EP1657197A2 (fr) 2006-05-17
EP1657197A3 EP1657197A3 (fr) 2006-11-08
EP1657197B1 true EP1657197B1 (fr) 2007-09-19

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EP06101352A Expired - Lifetime EP1657197B1 (fr) 2002-02-05 2003-01-22 Procédé pour ajuster la tension de la bande
EP03706245A Expired - Lifetime EP1472167B1 (fr) 2002-02-05 2003-01-22 Procede et dispositif pour reguler la tension d'une bande

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EP03706245A Expired - Lifetime EP1472167B1 (fr) 2002-02-05 2003-01-22 Procede et dispositif pour reguler la tension d'une bande

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US (1) US7191973B2 (fr)
EP (2) EP1657197B1 (fr)
JP (1) JP4138666B2 (fr)
CN (1) CN1317171C (fr)
AT (2) ATE373618T1 (fr)
AU (1) AU2003208270A1 (fr)
DE (2) DE50308253D1 (fr)
ES (2) ES2266780T3 (fr)
WO (1) WO2003066492A1 (fr)

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DE102005008223A1 (de) * 2005-02-22 2006-08-31 Man Roland Druckmaschinen Ag Rollenwechsler einer Rollendruckmaschine sowie Verfahren zur Regelung eines Rollenwechslers
DE102005054785B4 (de) 2005-11-15 2010-08-19 Koenig & Bauer Aktiengesellschaft Verfahren zum Betrieb eines Einzugwerks einer Druckmaschine
DE102006052865B4 (de) * 2006-01-13 2011-11-24 Koenig & Bauer Aktiengesellschaft Rollenrotationsdruckmaschine
DE102006061252A1 (de) * 2006-12-22 2008-06-26 Man Roland Druckmaschinen Ag Verfahren und Vorrichtung zur Regelung eines Einzugwerks
US7945347B2 (en) 2007-05-18 2011-05-17 Xerox Corporation Inertia compensated tension roll in closed loop belt systems
US7774085B2 (en) * 2007-05-18 2010-08-10 Xerox Corporation Inertia compensating dancer roll for web feed
DE102008044496B4 (de) 2008-09-02 2011-07-07 KOENIG & BAUER Aktiengesellschaft, 97080 Verfahren zum geregelten Einziehen einer an ein Einziehmittel gekoppelten Materialbahn
DE102009019624A1 (de) * 2009-04-30 2010-11-04 Robert Bosch Gmbh Verfahren zur Bestimmung wenigstens eines Reglerparameters eines Regelglieds in einem Bahnspannungs-Regelkreis für eine Bearbeitungsmaschine
JP5510781B2 (ja) 2009-09-15 2014-06-04 株式会社リコー 給紙装置及び画像形成装置
US8448572B2 (en) 2010-06-24 2013-05-28 Xerox Corporation Web printing systems having system resonance tuner
CN102390742B (zh) * 2011-06-24 2014-05-14 江苏亨特宏业重工有限公司 铝箔分切分卷设备的卷轴压力补偿方法
DE102011054693B4 (de) 2011-10-21 2019-05-16 Océ Printing Systems GmbH & Co. KG Verfahren zur Ausführung einer Pausenfunktion während des Druckbetriebs bei einem Tintendruckgerät
JP5817447B2 (ja) * 2011-11-08 2015-11-18 セイコーエプソン株式会社 画像記録装置、画像記録方法
JP6900919B2 (ja) * 2018-02-14 2021-07-07 京セラドキュメントソリューションズ株式会社 画像処理装置
CN109759660A (zh) * 2019-01-29 2019-05-17 江苏三星机械制造有限公司 中走丝电火花线切割机床变张力加工方法
CN111823740A (zh) * 2020-06-09 2020-10-27 宁波欣达印刷机器有限公司 一种印刷方法及系统
US11814253B2 (en) * 2020-11-23 2023-11-14 La-Z-Boy Incorporated Furniture handling strap

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Publication number Publication date
DE50308253D1 (de) 2007-10-31
CN1317171C (zh) 2007-05-23
DE50304465D1 (de) 2006-09-14
AU2003208270A1 (en) 2003-09-02
EP1657197A3 (fr) 2006-11-08
ES2290941T3 (es) 2008-02-16
EP1472167A1 (fr) 2004-11-03
US7191973B2 (en) 2007-03-20
CN1628064A (zh) 2005-06-15
EP1472167B1 (fr) 2006-08-02
US20050103818A1 (en) 2005-05-19
EP1657197A2 (fr) 2006-05-17
ES2266780T3 (es) 2007-03-01
JP2005516870A (ja) 2005-06-09
ATE334925T1 (de) 2006-08-15
ATE373618T1 (de) 2007-10-15
WO2003066492A1 (fr) 2003-08-14
JP4138666B2 (ja) 2008-08-27

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