EP0976674A1 - Bahnspannungsregeleinrichtung - Google Patents
Bahnspannungsregeleinrichtung Download PDFInfo
- Publication number
- EP0976674A1 EP0976674A1 EP99810654A EP99810654A EP0976674A1 EP 0976674 A1 EP0976674 A1 EP 0976674A1 EP 99810654 A EP99810654 A EP 99810654A EP 99810654 A EP99810654 A EP 99810654A EP 0976674 A1 EP0976674 A1 EP 0976674A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- web tension
- web
- control
- setpoint
- tension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- 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
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- 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
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- 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
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- 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
- B65H2557/10—Means for control not provided for in groups B65H2551/00 - B65H2555/00 for signal transmission
- B65H2557/12—Network
Definitions
- the present invention relates to a web tension control device and is suitable is particularly suitable for shaft-driven web offset printing presses in tower construction, preferably for newspaper offset.
- the paper elastic modulus can vary greatly from roll to roll change, which can lead to a sudden change in web tension. This occurs e.g. when changing roles and has a very negative impact on the quality of the Printed product.
- the elastic modulus of the paper can also change change within the same paper roll, e.g. due to storage, the outer and inner layers of the paper roll are differently moist. This Changes in the modulus of elasticity of the paper result from the resulting Web tension changes and paper stretch to changes in color and Cutting registers during the roll processing and thus to a deterioration in quality. Varying color and moisture assignments also change the modulus of elasticity.
- transient processes e.g. ramp-like changes in speed of the paper web, or even moving one Rubber cylinder between a pressure on and a pressure down position.
- This Transient processes occur e.g. for shaftless web offset printing presses with one so-called “flying" plate change functionality frequently, but without stopping the printing presses have different production runs in succession.
- the web tension is strongly influenced and changed every time.
- a web tension set value is F SOLL predetermined by a machine controller and a web tension regulator determined from a difference between the web tension set value F SOLL and measured by a Brunapssmeßsensor web-tension actual value F IST a Nacheilungssollwert .DELTA.N SOLL.
- the rotational-speed N SOLL determined therefrom can not be used directly for the web tension control, but must first be low pass filtered to higher-frequency interference components to suppress the rotational-speed signal N SOLL.
- the low-pass filtered speed reference setpoint N SOLL is acted upon with the lag value ⁇ N SOLL from the web tension controller and the actual speed value N IST of the roller driven by the drive motor, and the signal obtained is fed to the speed controller, which drives the drive motor.
- the mandatory low-pass filtering of the speed reference setpoint N SOLL from the folder is disadvantageous because this low-pass filtering leads to an inertia of the entire control, and the speed reference setpoint N SOLL , which is strongly damped by the low-pass filtering, influences the overall control dynamics of the web tension control, since the control parameters of the web tension controller coincide with the Control parameters of the downstream speed controller must be coordinated.
- the lag control is a simple and fast speed control.
- the speed controller is supplied with a value .DELTA.N which a bus system and a measured actual value of N is the rotational speed, and a Nacheilungssollwert .DELTA.N SOLL is determined from a difference of a Drehiereleitsollwerts N SOLL from eg.
- This speed controller controls the drive motor in a known manner.
- the lag control is structurally very simple to implement and avoids the disadvantages of the web tension control due to the low-pass filtering, the lag control also has disadvantages.
- the resulting web tension is dependent on the speed of the paper web. This means that the web tension cannot be kept constant, for example during a speed ramp, without correcting the speed reference setpoints N DES . As mentioned above, this leads to a deterioration in the quality of the printed products.
- a strong fluctuation in the paper web tension z. B. with a normal stop or an emergency stop of the press extremely negative, since in the pure speed control, the web tension can increase extremely, which can easily lead to a tear of the paper web.
- the web tension also fluctuates strongly in the case of a pressure-on or a pressure-off process of all pressure points, for example an eight-high tower, which is also not desired.
- a speed controller is in turn fed to a differential .DELTA.N which value speed is N, and a further correction variable N M, which is determined from a measured engine load torque, and a Nacheilungssollwert .DELTA.N SOLL is formed by a rotational-speed N SOLL, a.
- the control with droop functionality has the advantage that malfunctions caused by changes in the paper elasticity module or by pressure on or pressure down processes only cause minor deviations in the web tension. However, cause interference a remaining deviation of the web tension when the value is not subsequently corrected .DELTA.N SOLL the paper Young's modulus by a change. This means that without a corresponding adjustment of the value .DELTA.N SHOULD, a desired web tension value cannot be maintained after a fault, since the instantaneous modulus of elasticity of the paper web is generally unknown.
- FIG. 5 shows a linearized diagram in which the rotational speed N of the feed mechanism at a specific machine speed is plotted on the abscissa, the web tension F being plotted on the ordinate.
- the straight lines E 1 and E 2 are shown for two different elasticity modules of a paper web, wherein the elasticity module of a paper web can fluctuate between these two straight lines shown by way of example.
- the qualitative characteristic of the simple web tension control device is marked with 1, the characteristic of the lag control with 2 and the characteristic of the lag control with droop functionality is marked with 3.
- a control device and a control method be proposed with which the web tension can be regulated quickly and precisely can.
- both the speed reference setpoint N TARGET and the web tension setpoint F TARGET can be freely selected by, for example, a machine control.
- a speed reference setpoint N TARGET can be specified in real time, which does not have to be filtered and is available in an unadulterated form as a control variable.
- the control device can thus readjust the paper web tension again immediately and without inertia after a disturbance variable has occurred.
- the web tension setpoint F TARGET can be freely selected and thus specified in order to optimize the print quality, so that the two setpoint values F TARGET and N TARGET important for the control can be freely specified for the control.
- a control loop for the web tension enables changes in the printing conditions, for example due to a change in the paper elasticity module or a pressure-on or pressure-down process of rubber cylinders on the paper web, to be taken into account quickly in the control in order to maintain a constant To ensure paper web tension during operation, while the speed can be adjusted quickly.
- Simultaneously specifying the generated web tension setpoint F TARGET and the generated speed reference setpoint N TARGET also enables better control of the control device, since two setpoints for the control can be freely selected and can, for example, be changed quickly by the machine control system without any processes the normal pressure sequence must be taken into account, which, due to running times, always leads to inertia of the entire control system.
- the speed controller of the control device is supplied with the difference between the speed reference setpoint N SET and the lag setpoint ⁇ N SET , which was determined by the web tension controller from the web tension setpoint F TARGET and the web tension actual value F ACT , in order to control the motor in such a way that a desired, preferably constant, web tension can be obtained at a given speed.
- the web tension control device thus enables use an undisturbed speed reference signal for the underlying speed control loop a better coordination between web tension control loop and speed control loop.
- This can cause disturbances in the web tension e.g. in front of the infeed unit be managed.
- This leads to very good dynamic properties of the invention Regulation, which in the case of the above-mentioned changes in the operating states Maintaining a constant web tension is required.
- Maintaining a constant web tension is required.
- the magnitudes of these changes can be estimated regardless of the type of paper, moisture and other disturbances stay the same.
- the color registers and Cutting registers are better kept because the web stretching to a certain small area can be limited.
- the web tension control according to the invention also has the advantage that the web tension is always in one for the used Suitable paper area can be kept so that paper tears are avoided can.
- control device can be used either individually, for. B. on Intake mechanism or to be provided on the extraction mechanism. Furthermore, it is also possible that the control according to the invention both for regulating the web tension on the infeed unit and is also used to control the pull-out mechanism.
- a regulation of input and Excerpt of the printing tower has the advantage that the web tension over the entire Web length can be regulated through the printing tower, so that a special favorable web tension course, preferably a constant web tension, from Intake mechanism over the pressure tower to the extractor results.
- the web tension regulators are each in the feed unit or the pull-out mechanism or both, which are to be regulated.
- the Control according to the invention can also be used individually or together with other control devices located at other locations on the paper web, e.g. in the pressure tower itself or the hopper feed roller.
- the speed reference setpoint N TARGET is particularly preferably transmitted via a fast bus.
- a real-time bus system such as a SERCOS bus is particularly suitable for this.
- This control of the control device or control devices by means of such a bus system considerably simplifies the control of the control on a pressure tower, since all of the setpoints can be predetermined by a remote machine control of the control. This means that local entry of setpoints can be dispensed with.
- such a bus system makes it possible for different printing towers to be controlled via a single bus, which in turn can specify different but coordinated setpoints for the respective printing towers. The individual printing towers can thus be operated individually with different web tensions or with different types of web paths.
- a desired, preferably constant, web tension over the entire course of the paper web it is advantageous to use more than one web tension sensor Determination of various actual values as input variables of a single control device to obtain.
- web tension control on the infeed unit as Input variable for the control device in addition to the web tension e.g. on the feed unit itself also the web tension at the pull-out unit and / or the web tension the hopper feed roller or any other suitable measuring point.
- the web tension control of the infeed unit the web tensions on the pull-out unit and on the hopper infeed roller as the only actual values control to regulate the web tension.
- Corresponding configurations apply analogously to the regulation of the web tension on Pull-out mechanism, which also determines the paper web tension depending on the Actual web tension variable of a single web tension sensor can control which must not necessarily be arranged on the pull-out mechanism itself. It can be used for regulation the web tension on the pull-out mechanism also any combination of two or more Web tension actual signals from individual web tension sensors are used to to regulate the web tension.
- each individual actual signal measured by a web tension sensor can also first be fed to a transfer link with a suitable dynamic transfer function, such as a PT 1 or PT 2 link, before it is fed to the web tension control or with other weighted or dynamically changed ones, if necessary Actual web tension is linked.
- a suitable dynamic transfer function such as a PT 1 or PT 2 link
- Each of these web tension controls can, for example, use an actual value F IST , which is detected by any web tension measurement sensor, after passing through a corresponding transfer function block as an input variable, it also being possible, of course, to use a weighted sum of several signals for a single web tension control.
- Cross-coupled actual web tension values of, for example, the infeed unit, the outfeed unit and the funnel infeed roller, but also other measuring points on the paper web can also advantageously be used to regulate a web tension.
- the web tension control at the infeed unit is fed a value F EW , which is preferably determined from a cross-coupling of the measured web tension values F IST at the infeed unit, on the outfeed unit and on the hopper infeed roller.
- F EW the web tension control at the infeed unit
- F IST the measured web tension values
- a matrix element ⁇ i need not necessarily be a constant, but can also represent a dynamic transfer function.
- Such a web tension control device consisting, for example, of two local web tension control devices for the infeed unit and the outfeed unit with a coupling element, which is composed of several transfer functions, can achieve advantages in certain operating states. For example, it is possible to regulate the web tension locally at the entrance and exit of the printing tower while taking into account the corresponding actual web tension values at the entrance and exit of the printing tower.
- Such a cross-coupled web tension control is to ensure the optimum web tension during the entire printing process over the entire paper web and to minimize cut register deviations therebetween, so that the individual elements ⁇ i of the coupling matrix must be suitably defined.
- a cross coupling of at least two input signals from two different web tension sensors can also be used for only a single web tension control, but also for three or more web tension controls, possibly also the cylinder within the printing tower.
- the number of measured input variables of the cross coupling, ie the measured actual web tension values is not limited to three. It is also possible to use only two or more than three input signal actual values, in which case the measuring sensors are each suitably arranged.
- a speed reference setpoint N SET and a web tension setpoint F SET are specified.
- a first actual web tension value F IST is measured.
- From the difference .DELTA.F between the web-tension reference value F SOLL and the measured web-tension actual value F is determined by a web tension regulator, a pre- or lag setpoint .DELTA.N SOLL, depending on whether it is the pull-out or draw-in unit.
- the difference ⁇ F formed can be used, for example, for a PI control algorithm to obtain a lag or lead value.
- the forward or lag setpoint .DELTA.N SOLL is added to the rotational-speed N SOLL or subtracted therefrom, and the obtained result is the speed used as an input variable of a control of a drive motor, which is provided as a further input variable and a measured actual rotational speed value N can take into account.
- At least one measured actual web tension value F IST is used, for example, on the infeed unit, pull-out unit or the hopper infeed roller for the control according to the invention, with any combination of these actual web tension values also being used for web tension control, if necessary with a suitable transfer function, as described above can be.
- the individual actual web tension values can also be cross-coupled, as described above, before they are used as an input variable for the control process.
- the speed control setpoint N SOLL and the web tension setpoint F SOLL are fed to the web tension control device by a machine control via a real-time bus system.
- the web tension setpoint can also be supplied via analog or digital inputs without using a bus system.
- the measured by a Bruliquesmeßsensor web-tension actual value F is subtracted from the web tension set value F SOLL is obtained from which the web tension control deviation .DELTA.F.
- This web tension control deviation AF is supplied to the web tension control on the infeed unit, which converts them into a lag setpoint .DELTA.N SOLL.
- This lag setpoint .DELTA.N SOLL is the measured actual rotational speed value N associated with the obtained from the real-time bus system speed master N SOLL and and the result is fed to the speed controller, wherein the motor for driving a roller of the draw-in mechanism, drives.
- the speed reference setpoint N TARGET for the subordinate speed control loop is thus fed to the control device from a suitable real-time bus, e.g. SERCOS, so that an undisturbed reference signal is available as a speed reference setpoint so that the web tension controller and the speed controller can be optimally coordinated.
- FIG. 2 shows a second embodiment of the present invention, wherein as input parameters of the web tension control at the feed unit EW not only the measurement signal of the web tension sensor at the feed unit EW, but also measurement signals from web tension sensors at the hopper infeed roller TW and at the pull-out unit AW are recorded and each with coefficients ⁇ TW , ⁇ AW or ⁇ EW can be applied. These coefficients ⁇ i can be constants, but they can also represent dynamic transfer functions.
- a weighted sum signal ⁇ F is formed from the output signals of these three signal weighting units or dynamic transmission elements ⁇ i , which is used as an input value for the web tension control of the infeed unit.
- a web tension control can be carried out solely at the infeed unit, the web tension at the pull-out unit or at the hopper infeed roller being able to be kept within predetermined limits by the arrangement of the web tension measurement sensors shown in FIG. 2 and with a suitable choice of the weighting factors or transfer functions ⁇ i , so that despite certain disturbances, due to varying elasticity modules of the paper web, moisture, speed ramps or the like, the web tension can be kept in an optimal range for the color and cut registers and tearing off of the paper web can be reliably prevented.
- the other elements of the control device were described in FIG. 1 and are not shown in FIG. 2.
- Fig. 3 shows a third embodiment of the present invention, wherein the actual web tension values of the sensors on the infeed unit and on the outfeed unit are linked or calculated with one another in a coupling member, so that the web tension controls on the infeed unit and on the outfeed unit the respective output signals of the coupling member F EW or F AW can be fed.
- the coupling element can carry out a weighting of the measured actual web tension values of the infeed unit and the outfeed unit, whereby the individual signals can also be subjected to dynamic transmission functions in order to obtain the respective output signals, which each represent a dynamic function of one or all input signals of the coupling element.
- the web tension can be controlled locally at the entrance and at the exit of the printing tower, the respective actual web tension values being mutually taken into account in order to obtain web tension values within predetermined limits over the entire course of the paper web so that the color and cut registers can be kept optimally due to the web stretching kept within certain limits.
- the web tension is independent of the speed, so that it can be kept within certain predetermined limits.
- the force in front of the tower increases in the acceleration phase of the control according to the invention according to FIG. 1.
- This difference in force serves to accelerate the guide rollers.
- the paper web hangs between two clamping points, the last printing cylinder and the pull roller.
- This web force is dependent on the advance of the pull roller and on the paper transport, which leads to a speed dependency of the web force at the exit of the printing tower F AFTER .
- this can be prevented by designing the controls according to the invention in accordance with the exemplary embodiments shown in FIGS. 2 and 3.
Landscapes
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Description
- Fig. 1
- eine erfindungsgemäße Bahnspannungsregeleinrichtung einer ersten Ausführungsform der Erfindung;
- Fig.2
- eine erfindungsgemäße Bahnspannungsregeleinrichtung einer zweiten Ausführungsform der Erfindung;
- Fig. 3
- eine erfindungsgemäße Bahnspannungsregeleinrichtung einer dritten Ausführungsform der Erfindung;
- Fig. 4a bis 4c
- Bahnspannungsregelungen gemäß dem Stand der Technik; und
- Fig. 5
- ein Diagramm zur Veranschaulichung der Wirkungsweisen der Bahnspannungsregelungen gemäß den Figuren 4a bis 4c.
Claims (11)
- Regeleinrichtung für die Spannung einer Papierbahn einer Druckmaschine mit:einer Einstellvorrichtung für einen Drehzahlleitsollwert (NSOLL); undeinem Drehzahlregler für einen Antriebsmotor, der mit der Einstellvorrichtung für den Drehzahlleitsollwert (NSOLL) gekoppelt ist;eine Einstellvorrichtung für einen Bahnspannungs-Sollwert (FSOLL);einen Sensor zum Messen der Bahnspannung (FIST);einem Bahnspannungsregler, welcher mit dem Sensor zum Messen der Bahnspannung (FIST) und der Einstellvorrichtung für den Bahnspannungs-Sollwert (FSOLL) gekoppelt ist;wobei der Drehzahlregler mit einem Ausgang (ΔNSOLL) des Bahnspannungsreglers gekoppelt ist.
- Regelungseinrichtung nach Anspruch 1, wobei die Regelungseinrichtung am Einzugswerk und/oder am Auszugswerk eines Druckturmes vorgesehen ist.
- Regeleinrichtung nach Anspruch 1 oder 2, wobei die Einstellvorrichtung für den Bahnspannungs-Sollwert (FSOLL) und/oder für den Drehzahlleitsollwert (NSOLL) ein Bus-System, insbesondere ein Echtzeit-Bus-System ist.
- Regeleinrichtung nach einem der vorhergehenden Ansprüche, wobei der Sensor zum Messen der Bahnspannung (FIST) am Einzugswerk, am Auszugswerk oder an der Trichtereinlaufwalze vorgesehen ist.
- Regeleinrichtung nach einem der vorhergehenden Ansprüche, wobei ein Übertragungsglied mit einer linearen oder einer dynamischen Übertragungsfunktion vorgesehen ist, mit welcher das Ausgangssignal des Sensors beaufschlagt wird.
- Regeleinrichtung nach einem der vorhergehenden Ansprüche, wobei mindestens zwei Sensoren zum Messen der Bahnspannung (FIST) an unterschiedlichen Stellen der Papierbahn vorgesehen sind, wobei die Ausgangssignale der einzelnen Sensoren miteinander gekoppelt und mit Übertragungsfunktionen beaufschlagt werden, bevor sie einer lokalen Bahnspannungsregelung zugeführt werden.
- Verfahren zum Regeln der Spannung einer Papierbahn einer Druckmaschine, wobeiein Drehzahlleitsollwert (NSOLL) vorgegeben wird,ein Bahnspannungs-Sollwert (FSOLL) vorgegeben wird,ein erster Bahnspannungs-Istwert (FIST) gemessen wird,die Differenz (ΔF) aus dem Bahnspannungs-Sollwert (FSOLL) und dem gemessenen Bahnspannungs-Istwert (FIST) gebildet wird;die gebildete Differenz (ΔF) in einen Nach- oder Voreilungs-Sollwert (ΔNSOLL) umgerechnet wird; undaus dem vorgegebenen Drehzahlleitsollwert (NSOLL) und dem Nach- oder Voreilungssollwert (ΔNSOLL) eine Größe (ΔN) gebildet wird, welche zur Drehzahlregelung des Antriebsmotors dient.
- Verfahren nach Anspruch 7, wobei die Bahnspannung (FIST) am Einzugswerk und/oder Auszugswerk und/oder der Trichtereinlaufwalze gemessen wird.
- Verfahren nach Anspruch 7 oder 8, wobei der oder die gemessenen Bahnspannungswert(e) (FIST) jeweils mit einer Übertragungsfunktion beaufschlagt werden.
- Verfahren nach einem der Ansprüche 7 bis 9, wobei mindestens zwei gemessene Bahnspannungswerte (FIST) kreuzgekoppelt werden, um ein Bahnspannungs-Istwert-Signal für die Bahnspannungsregelung zu liefern.
- Verfahren nach einem der Ansprüche 7 bis 10, wobei die Regelung der Bahnspannung an dem Einzugswerk und/oder dem Auszugswerk erfolgt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19834725 | 1998-07-31 | ||
DE19834725A DE19834725A1 (de) | 1998-07-31 | 1998-07-31 | Bahnspannungsregeleinrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0976674A1 true EP0976674A1 (de) | 2000-02-02 |
EP0976674B1 EP0976674B1 (de) | 2004-03-24 |
EP0976674B2 EP0976674B2 (de) | 2006-08-30 |
Family
ID=7876100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99810654A Expired - Lifetime EP0976674B2 (de) | 1998-07-31 | 1999-07-20 | Bahnspannungsregeleinrichtung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6106177A (de) |
EP (1) | EP0976674B2 (de) |
AT (1) | ATE262468T1 (de) |
DE (2) | DE19834725A1 (de) |
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WO2007071312A1 (de) * | 2005-12-20 | 2007-06-28 | Windmöller & Hölscher Kg | Bahn- oder bogenführende maschine sowie verfahren zum betrieb derselben |
EP1857279A2 (de) | 2006-05-18 | 2007-11-21 | Koenig & Bauer Aktiengesellschaft | Verfahren zum Betrieb einer Rollendruckmaschine |
WO2008077582A1 (de) * | 2006-12-22 | 2008-07-03 | Manroland Ag | Verfahren und vorrichtung zur regelung eines einzugwerks |
EP1990298A1 (de) | 2005-11-15 | 2008-11-12 | Koenig & Bauer Aktiengesellschaft | Verfahren zum Betrieb eines Einzugwerk |
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FI104161B (fi) * | 1998-02-17 | 1999-11-30 | Valmet Corp | Menetelmä ja laitteisto rainan rullauksessa |
DE19827190A1 (de) * | 1998-06-18 | 1999-12-23 | Koenig & Bauer Ag | Verfahren und Vorrichtung zur Überwachung einer Materialbahn |
DE10027471A1 (de) * | 2000-02-04 | 2001-08-09 | Koenig & Bauer Ag | Verfahren zur Regelung einer Bahnspannung in einer Rotationsdruckmaschine |
WO2001056792A1 (de) | 2000-02-04 | 2001-08-09 | Koenig & Bauer Aktiengesellschaft | Verfahren zur regelung einer bahnspannung in einer rotationsdruckmaschine |
DE10014535A1 (de) * | 2000-03-23 | 2001-09-27 | Roland Man Druckmasch | Verfahren zum Betreiben einer Rollenrotationsdruckmaschine |
JP2001335206A (ja) * | 2000-03-24 | 2001-12-04 | Hitachi Koki Co Ltd | 印刷装置 |
US7017485B2 (en) * | 2000-03-24 | 2006-03-28 | Goss International Americas, Inc. | Device and method for controlling web tension |
DE10027441A1 (de) * | 2000-06-02 | 2001-12-06 | Roland Man Druckmasch | Verfahren und Vorrichtung zur Verhinderung von Maschinenschäden |
DE10035788C1 (de) * | 2000-07-22 | 2002-03-14 | Koenig & Bauer Ag | Verfahren und Vorrichtung zur Regelung einer Bahnspannung in einer Rotationsdruckmaschine |
DE10035787C2 (de) * | 2000-07-22 | 2002-05-16 | Koenig & Bauer Ag | Verfahren zur Regelung einer Bahnspannung |
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ES2290941T3 (es) | 2002-02-05 | 2008-02-16 | KOENIG & BAUER AKTIENGESELLSCHAFT | Procedimiento para la regulacion de una tension de una banda de papel. |
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DE10236657A1 (de) * | 2002-08-09 | 2004-02-26 | Maschinenfabrik Wifag | Schnittregister-Einstellvorrichtung |
US6845282B2 (en) | 2002-09-04 | 2005-01-18 | The Procter & Gamble Company | Method of controlling tension in a web |
DE10322098B4 (de) * | 2003-05-15 | 2005-10-06 | Technische Universität Chemnitz | Verfahren und Einrichtung zur Steuerung der Bahngeschwindigkeit an einer Transportvorrichtung für Warenbahnen |
US6991144B2 (en) * | 2004-02-04 | 2006-01-31 | The Procter & Gamble Company | Method of controlling tension in a moving web material |
ES2255823B1 (es) * | 2004-07-29 | 2007-04-01 | M.Torres, Diseños Industriales, S.A. | Controlador multivariable de velocidad y tension de banda para maquinas empalmadoras de papel. |
US7092781B2 (en) * | 2004-12-10 | 2006-08-15 | The Procter & Gamble Company | Method of controlling tension in a web |
DE102005037496A1 (de) * | 2005-08-09 | 2007-02-15 | Man Roland Druckmaschinen Ag | Überwachungseinrichtung einer Folienführung |
JP4722631B2 (ja) * | 2005-09-07 | 2011-07-13 | 大日本スクリーン製造株式会社 | 印刷装置および張力制御方法 |
DE102006008835B4 (de) * | 2006-02-25 | 2008-08-21 | Koenig & Bauer Aktiengesellschaft | Druckmaschine mit Bahnspannungsregelung |
DE102007062454A1 (de) * | 2007-12-22 | 2009-07-02 | Robert Bosch Gmbh | Verfahren zur Regelung einer Bahnspannung und/oder eines Registers |
DE102009016206A1 (de) * | 2009-04-03 | 2010-10-14 | Robert Bosch Gmbh | Verfahren zur Bahnspannungseinstellung |
US8844784B2 (en) * | 2010-06-28 | 2014-09-30 | Hewlett-Packard Development Company, L.P. | Controlling drive settings in a press |
DE102011101842A1 (de) * | 2011-05-17 | 2012-11-22 | Robert Bosch Gmbh | Verfahren zum Regeln der Bahnspannung in einer Bahnbearbeitungsmaschine |
US9044977B2 (en) | 2011-06-17 | 2015-06-02 | Xerox Corporation | System and method for threading a web through a printing device |
US9033200B2 (en) | 2012-02-20 | 2015-05-19 | Xerox Corporation | Method and device for controlling tension applied to a media web |
US20140064817A1 (en) * | 2012-09-05 | 2014-03-06 | Thomas Niertit | Tension control in a web transport system |
US20140232776A1 (en) * | 2013-02-15 | 2014-08-21 | Thomas Niertit | Method for controlling tension in a web |
DE102017009156B4 (de) * | 2017-09-29 | 2019-07-11 | PARTZSCH Spezialdrähte e.K. | Verfahren zur optimalen Nutzung von auf Vorratstrommeln aufgebrachten Wicklungsgütern |
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- 1999-07-20 DE DE59908933T patent/DE59908933D1/de not_active Expired - Lifetime
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EP1990298A1 (de) | 2005-11-15 | 2008-11-12 | Koenig & Bauer Aktiengesellschaft | Verfahren zum Betrieb eines Einzugwerk |
DE102005054785B4 (de) * | 2005-11-15 | 2010-08-19 | Koenig & Bauer Aktiengesellschaft | Verfahren zum Betrieb eines Einzugwerks einer Druckmaschine |
EP1790601A2 (de) | 2005-11-29 | 2007-05-30 | Bosch Rexroth Aktiengesellschaft | Regelung der Bahnspannung einer Warenbahn |
EP1790601A3 (de) * | 2005-11-29 | 2009-04-01 | Bosch Rexroth Aktiengesellschaft | Regelung der Bahnspannung einer Warenbahn |
WO2007071312A1 (de) * | 2005-12-20 | 2007-06-28 | Windmöller & Hölscher Kg | Bahn- oder bogenführende maschine sowie verfahren zum betrieb derselben |
US9617107B2 (en) | 2005-12-20 | 2017-04-11 | Windmoeller & Hoelscher Kg | Web-guiding or sheet-guiding machine, and method of operating the same |
EP1857279A2 (de) | 2006-05-18 | 2007-11-21 | Koenig & Bauer Aktiengesellschaft | Verfahren zum Betrieb einer Rollendruckmaschine |
EP1857279A3 (de) * | 2006-05-18 | 2011-06-22 | Koenig & Bauer Aktiengesellschaft | Verfahren zum Betrieb einer Rollendruckmaschine |
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WO2008077582A1 (de) * | 2006-12-22 | 2008-07-03 | Manroland Ag | Verfahren und vorrichtung zur regelung eines einzugwerks |
Also Published As
Publication number | Publication date |
---|---|
EP0976674B2 (de) | 2006-08-30 |
EP0976674B1 (de) | 2004-03-24 |
DE19834725A1 (de) | 2000-02-03 |
US6106177A (en) | 2000-08-22 |
ATE262468T1 (de) | 2004-04-15 |
DE59908933D1 (de) | 2004-04-29 |
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