EP2085342A2 - Procédé d'enroulement d'une bande de matériau en rouleau de bande de matériau et dispositif d'enroulement, notamment dispositif d'enroulement de cylindre de support - Google Patents

Procédé d'enroulement d'une bande de matériau en rouleau de bande de matériau et dispositif d'enroulement, notamment dispositif d'enroulement de cylindre de support Download PDF

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Publication number
EP2085342A2
EP2085342A2 EP09151375A EP09151375A EP2085342A2 EP 2085342 A2 EP2085342 A2 EP 2085342A2 EP 09151375 A EP09151375 A EP 09151375A EP 09151375 A EP09151375 A EP 09151375A EP 2085342 A2 EP2085342 A2 EP 2085342A2
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EP
European Patent Office
Prior art keywords
winding
vibration
roll
web roll
indirectly
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.)
Withdrawn
Application number
EP09151375A
Other languages
German (de)
English (en)
Other versions
EP2085342A3 (fr
Inventor
Alexander Klupp
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2085342A2 publication Critical patent/EP2085342A2/fr
Publication of EP2085342A3 publication Critical patent/EP2085342A3/fr
Withdrawn legal-status Critical Current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
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B65H18/14—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20—Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • 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
    • B65H2301/41486—Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414866—Winding slitting winding on two or more winding shafts simultaneously on bed rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance
    • B65H2511/222—Stroke
    • 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
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/20—Acceleration or deceleration
    • 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
    • B65H2515/32—Torque e.g. braking torque
    • 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
    • B65H2515/50—Vibrations; Oscillations
    • 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
    • B65H2557/25—Modular control, i.e. systems which work independently or partially dependently on other systems

Definitions

  • the invention relates to a method for winding a material web to a material web roll, wherein the web roll is rotated during winding, the vibration state of the web roll is monitored at least indirectly and measures are introduced to influence the winding process in deviation from a permissible vibration state.
  • the invention further relates to a winding device, in particular a support roll winding device.
  • Material webs must be wound up into shipping or finishing rolls before they can be shipped.
  • the shipping or finished rolls are produced by so-called mother or reel rolls, which are produced at the output of a paper or board machine or after the calendering of the web, unwound, cut in the longitudinal direction and then wound on each winding cores.
  • the spool rolls or parent rolls usually come from a calender. Calenders are rolling machines that cause compaction, flattening and smoothing of the paper.
  • the spool rolls are fed to a unwinding device, for example a slitter. This can be done for example via a magazine or by means of a crane. After the drum roll has been inserted into the unwinding device, the spool roll is glued to the take-up roll, for example by means of a splicing device.
  • the take-up rolls then pull the paper off the spool roll.
  • the take-up rolls are either in a roll bed (“carrier roll winder") or are on a Back-up roller driven (“back-up roller”). The speed with which a material web is wound onto the roll is in the range of well over 2,000 m / min.
  • vibrations can occur during winding. These vibrations can have different causes. For example, at least one part of the oscillation is induced by the incoming material web in a take-up device. Thus, fluctuations in the thickness of the material web during winding can lead to a non-circular web roll and vibrations can be amplified in a resonance range, to the extent that the roll of web material jumps out of the winding device.
  • WO 92/094696 A1 It has therefore been proposed to reduce the speed of the material web by reducing the feed rate at the take-up reel to a lower constant level when a critical vibration occurs. This changes the oscillatory system in the winding device and reduces the excitation frequency.
  • the invention is therefore based on the object, a method and an apparatus for winding a roll of web material such that the disadvantages of the prior art are avoided and the winding process is done if possible with a short winding time with high winding quality under constant conditions.
  • An inventive method for winding a material web into a material web roll wherein the roll of web material is rotated during winding and the vibration state of the resulting material web roll is monitored and measures for influencing the winding process be initiated in case of deviation from an allowable vibration state, in accordance with a first embodiment in in that at least one variable, which characterizes the direction of oscillation, preferably at least indirectly, characterizing at least indirectly transversely to the longitudinal axis of the web roll, is detected directly or indirectly.
  • the solution according to the invention makes it possible to distinguish between different vibration modes which may involve different degrees of vibration without impairing or ejecting the winding roller. As a result, it is possible to respond specifically to critical vibration states in the vibration directions which, even at low values, impair the winding result.
  • the web roll is supported in a winding device at least two axially parallel support rollers, the position of the winding device can be described by a coordinate system whose X direction in a horizontal plane viewed by the direction of the axis-parallel arrangement of the longitudinal axes of the support rollers, the Y direction through the Course of the longitudinal axes of the support rollers and the Z-axis is characterized by a perpendicular to the XY plane.
  • At least one, preferably several variables describing the vibration state at least indirectly for a direction of oscillation of the material web roll is detected directly or indirectly, which is aligned perpendicular to the longitudinal axis of the web roll and writable by a directional component in the X direction which is larger than the components in the Y and / or Z direction.
  • At least one permissible limit value for at least one variable characterizing the vibration state is predefined for the oscillation modes characterizing these oscillation directions, and measures for influencing the winding process are initiated when exceeded.
  • vibration state in the sense of the invention includes all of an idealized movement of the individual resulting winding roll in the apparatus for winding a web roll in a winding bed different states.
  • the idealized movement corresponds to based on an initial state of the position of a winding tube for winding the web in a winding bed of the device for winding the web roll a uniform rotational movement about an increasing with the size of the web roll in the form of winding roll or by changing the position of a winding bed forming carrier roll constant position of the axis of the winding tube.
  • Vibration form according to the invention means a distinction or classification of the vibrations occurring at the individual material web roll, in particular winding roll with respect to their direction relative to a laid in a device for winding a web roll and / or the resulting winding roll coordinate system.
  • a method for winding a material web to a web roll in which the web roll is wound supporting during winding in a winding device on at least two axially parallel support rollers, the vibration state of the web roll is monitored at least indirectly and in the event of deviation from an admissible oscillation state, measures for influencing the winding process are initiated, wherein the position of the winding device can be described by a coordinate system whose X direction in a horizontal plane, viewed through the direction of the axis-parallel arrangement of the longitudinal axes of the support rollers, passes through the Y direction the course of the longitudinal axes of the support rollers and the Z-axis is characterized by a perpendicular to the XY plane, characterized in that at least one, preferably a plurality of vibration conditions at least indirectly descriptive variables for vibration in a vibration direction are detected directly or indirectly, in a coordinate system applied to the winding device is characterized by a component in the X direction, which is larger than the components in the Y
  • the inventors have recognized that not every state of vibration justifies an intervention in the operation of a device for winding a web roll. which leads to an extension of the total winding time for a web roll to be wound up, but this intervention should be made specifically in the actually critical operating conditions when winding a single web roll. These can be distinguished on the basis of the occurring vibration shape of the vibrations, in particular the direction of vibration.
  • the solution according to the invention has the advantage that measures for influencing the operation of the device for winding a material web roll are introduced only in the case of vibrations occurring in certain directions, in particular a direction with direction component in the X direction and predefined size, which reduces the number of total interventions in the mode of operation compared to conventional solutions and the associated disadvantages considerably reduced. Furthermore, the measures can be initiated in a more concerted manner to the specific case of operation deviating from the ideal case.
  • a plurality of detectable, by different directions of vibration of the web roll characterizable oscillating shapes predefined different permissible limit values for the variables characterizing the vibration state, whereby an assignment or classification takes place when vibrations are determined and measures for influencing the winding process are initiated only if these limit values are exceeded for the respective vibration shape.
  • the vibrations can be determined directly on the excited system or the stimulating system.
  • the variables characterizing the vibration state at the stimulating or excited system can preferably be determined directly by means of cameras or laser sensors. In this case, a complex determination of functional relationships and models is eliminated. Indirect determination measures quantities that are functionally related to the vibration state quantities. Under certain circumstances, it is possible to resort to a considerably simpler sensor technology, for example to vibration sensors, displacement transducers or rotational speed sensors.
  • the variables characterizing the vibration state are measured directly by means of suitable sensors, this can be done, for example, by the Measurement of the direction of movement and / or the speed of movement of the bobbins done.
  • Optical measuring systems such as laser distance sensors or cameras, can be used for this purpose.
  • the movement of individual machine components is measured and closed by a model on the vibration state of the winding roll.
  • the models are calculated in advance or created and describe the possible eigenmodes of the entire system of winding device and winding roll. In this case, depending on the weight and diameter of the winding roll different natural modes and natural frequencies.
  • the winding roll can move either in phase or in opposite phase to one of the two support rollers.
  • the oscillating direction of the winding roll is characterized by an increased proportion in the horizontal or vertical direction, depending on its own shape.
  • sensors for measuring the vibration speed are preferably used. These are mounted on or on the bearings or trusses. It is also conceivable to use other sensors known from the prior art for measuring the path or the acceleration. From these indirectly determined variables, the resulting vibration state is then calculated with the aid of the model (s) and / or algorithm.
  • the winding device for winding a material web onto a material web roll, wherein the web roll has a longitudinal axis, characterized in that at least one means for detecting directly or indirectly at least vibrations substantially perpendicular to the longitudinal axis is provided.
  • the device comprises a sensor unit, which is designed and constructed in such a way that it is suitable for receiving a variable which at least indirectly characterizes the direction of oscillation. According to an advantageous further development for achieving a high functional concentration, this is also suitable for receiving at least one further variable which at least indirectly characterizes the oscillation. As a result, a vibration state can be sufficiently characterized and described by means of a sensor.
  • the sensor unit has at least two sensor devices, a first sensor device and a second sensor device, wherein the first sensor device receives a vibration in a first direction and the second sensor device a vibration in a second direction and the first and second directions substantially perpendicular to each other.
  • the first sensor device receives a vibration in a first direction and the second sensor device a vibration in a second direction and the first and second directions substantially perpendicular to each other.
  • one of the sensor devices is arranged and configured to receive vibration state quantities for vibrations characterized by a vibration direction whose X component is larger than in the other directions.
  • the solution according to the invention is particularly suitable for a winding device in the form of a carrier roll winding device.
  • This comprises two axially parallel support rollers which support the material web roll with the formation of winding nips, wherein at least one device for direct or indirect detection of vibrations substantially perpendicular to the longitudinal axis of the web roll and / or the support rollers is provided.
  • the control device controls at a signal of the device, which indicates a vibration above a limit value, the drive of the web roll such that a web speed is reduced until the vibration is below the limit.
  • FIG. 1a illustrates in a schematic simplified representation of the basic structure of a winding device 1 for winding webs of material, in particular fibrous webs F in the form of paper or board webs.
  • the winding device 1 is formed as a support roller winding device 2, comprising a first support roller 2.1 and a second support roller 2.2, which are arranged axially parallel and rotatably mounted, and with each other a winding bed 3 for receiving a winding tube 4 or by the winding of the fibrous web F arising from this wound up Web roll, which is also referred to as a winding roll 5, form.
  • the winding bed 3 is formed by the theoretically possible contact area of the winding roll 5 forming the web of web material formed on the outer circumference of the support rolls 2.1 and 2.2.
  • the winding roll 5 is formed by the winding of the fibrous web F to the winding tube 4, wherein the fibrous web F is guided to the first support roller 2.1.
  • the individual support rollers 2.1 and 2.2 are rotatably mounted in a frame 14, not shown here, and each driven separately via a drive 6 or 7 shown here in a simplified manner. These each form a winding gap S1 and S2 with the winding roller 5. In the illustrated case, the axis-parallel arrangement of the two support rollers 2.1 and 2.2 takes place in a common horizontal plane.
  • the support rollers 2.1 and 2.2 are exemplified here by the same diameter D2.1 and D2.2. Conceivable, however, are not shown here embodiments with support rollers 2.1 and 2.2 with different diameters and arrangement of Longitudinal axes L2.1 and L2.2, which coincide with the rotational axes of the support rollers 2.1 and 2.2, which are denoted by R2.1 and R2.2, with offset in the vertical direction to each other.
  • the winding device 1 is associated with a coordinate system, wherein the X-direction describes the longitudinal direction of the winding device 1, which is also referred to as the machine direction MD, while the Y-direction illustrates the width direction, ie the direction transverse to the machine direction MD.
  • All drive units 6, 7 are preferably arranged.
  • the other, not shown here and opposite side is referred to as leader page FS.
  • the two drives 6 and 7, a control device 8 is assigned, which serves to control this with the same peripheral speed on the outer circumference of the respective support roller 2.1 and 2.2 and in this embodiment with the same speed.
  • at least one device 9 for detecting a a vibrational state of the winding roll 5 at least indirectly characterizing size is provided, which is at least this size the swing direction is.
  • this device 9 comprises at least one device 10 for at least direct or indirect detection of vibrations perpendicular to the longitudinal axis L5 of the winding roll 5, in particular with a component in the X direction or is directly formed by the latter in order to be able to determine oscillation shapes for movements in this direction .
  • at least the oscillatory shapes are detected and detected, which describe a movement of the winding roll 5 transversely to the winding nip S1, S2 and thus detect a possible discharge from the winding bed 3.
  • vibrations are detected which are characterized by a direction which, in the coordinate system, can be described by an X component which is larger than the components in the Y or Z direction.
  • the system of the support rollers 2.1 and 2.2 can primarily be regarded as an exciting system, while the winding roller 5 is referred to as energized system.
  • vibrations can also be induced by the material web during winding, for example, by changing thicknesses of the fibrous web to be wound, whereby the support rollers 2.1, 2.2 can be excited from the side of the winding roller 5.
  • the device 9 comprises in the in FIG. 1a at least one sensor unit 11.1, 11.2 on the individual support rollers 2.1, 2.2 and 12 on the winding roll 5. This is arranged and designed so that these at least oscillations transverse to the longitudinal axes L2.1, L2.2, L5 of the individual support rollers 2.1, 2.2 and winding roll 5 detected. Depending on the design of the sensor units 11.1, 11.2, the detection can take place directly or indirectly. It Actual values of the variables which at least indirectly characterize the oscillations, ie variables directly describing the oscillation, such as frequency, amplitude, oscillation velocity, phase position or else these quantities which can be described at least via functional relationships, are then subjected to an evaluation.
  • FIG. 1b exemplifies an embodiment of a winding device 1 according to FIG. 1a
  • this comprises two sensor units 11.1, 11.2, which are assigned to the support rollers 2.1, 2.2 and preferably in each case at least two sensors 11.11, 11.12, 11.21 arranged at an angle of 90 ° to one another. 11.22. These are arranged on the axes L2.1, L2.2 of the support rollers 2.1, 2.2, which are mounted on storage facilities 13.1, 13.2 on the frame 14. Further, a loading roller 15 is provided. Also at this optionally or additionally, the device 9, in particular components of these are arranged in the form of sensors.
  • the oscillation state of the winding roll 5 can be determined taking into account further parameters via models, functional relationships or analytical methods.
  • the inventive method for operating a winding device 1 is, as in FIG. 2a illustrated by the fact that in a first method step A1, the vibration state of the winding roll 5, in particular with respect to the presence of vibrations substantially perpendicular to the longitudinal axis L5, in particular for vibrations in the X direction is monitored at least indirectly.
  • the vibration state substantially perpendicular to the longitudinal axis L5 preferably in the X direction or with a component in the X direction, which is greater than in the other directions, are defined at least one, preferably a plurality of limit values for the variables describing the vibration state at least indirectly.
  • a comparison is made of the currently determined actual variables X abist with the respective predefined limit value G a for these variables.
  • the index a stands for the type of the actual variable, for example the frequency, amplitude, etc.
  • An evaluation includes a comparison between the actual value and the respective limit value, which takes place in a method step A2.
  • a measures for influencing the winding process are initiated, usually by training or determination of manipulated variables Y for the respective adjusting devices for influencing the winding speed, in particular adjusting devices for controlling the drives 6 and 7.
  • FIG. 2a illustrated embodiment of the method according to the invention illustrates the minimal variant, that is, it will be determined here only the actual vibrations occurring in a direction perpendicular to the longitudinal axis L5, in particular in the X direction.
  • a variety of vibration states can occur on such a winding roll 5 to be wound up, according to FIG. 2b at least one, but preferably determines a plurality of the vibration state of the winding roll 5 at least indirectly characterizing sizes. This takes place in process step A1.
  • a distinction is made with respect to the vibration modes.
  • the oscillating mold according to the invention determines the oscillations or portions of superimposed oscillations which are characterized by a common oscillating direction, wherein according to a particularly advantageous embodiment only the oscillating directions are distinguished, which characterize a movement of the winding roll transversely to the winding bed.
  • one or more limit values for the vibration conditions in this direction can be characterized at least indirectly for each of these Said values are stored in the control device 8 and thus assigned to each vibration mode their own limits. This happens in method step A1.2.
  • the currently determined actual values are then compared with the respective limit value, for example G a with X abist , in which case measures for influencing the winding process are also initiated when a corresponding excess occurs in method step A3.
  • the respective limit value for example G a with X abist
  • Different limit values which differ from each other, can be specified for individual vibration modes.
  • the actuators 6, 7 are then actuated.
  • a large number of arrangements and embodiments of the device for detecting the variables that characterize a state of oscillation of a winding roller 9 are at least indirectly characterizable.
  • the device 9 only the excited system, here the winding roll 5 are assigned.
  • the device 9 comprises a sensor unit 12, which here comprises at least two sensors offset by 90 ° from one another.
  • the vibration condition parameters are determined directly on the winding roll free from the influence of other boundary conditions.
  • the device 9 is the excitation system, in particular support rollers 2.1, 2.2 in analogy to FIG. 1b assigned.
  • the vibrations or vibration states at this are determined mathematically or approximately by means of models. There is a functional relationship between the vibrations or vibration states at the stimulating system with those of the excited system, this functional relationship is used.
  • the arrangement of the devices 10 and 9 on the excitation system is preferably carried out on the axes of the support rollers 2.1 and 2.2, in particular the longitudinal axes L2.1 and L2.2.
  • the device 9 comprises at least one sensor device or is formed by it.
  • the sensor device can be designed differently and determine different physical quantities, for example an acceleration and / or a movement. In this case, combined sensor devices are possible. Preferably, embodiments with a minimum number of sensors are selected.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)
EP09151375A 2008-01-30 2009-01-27 Procédé d'enroulement d'une bande de matériau en rouleau de bande de matériau et dispositif d'enroulement, notamment dispositif d'enroulement de cylindre de support Withdrawn EP2085342A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008000179A DE102008000179A1 (de) 2008-01-30 2008-01-30 Verfahren zum Aufwickeln einer Materialbahn zu einer Materialbahnrolle und Wickelvorrichtung, insbesondere Tragwalzenwickelvorrichtung

Publications (2)

Publication Number Publication Date
EP2085342A2 true EP2085342A2 (fr) 2009-08-05
EP2085342A3 EP2085342A3 (fr) 2011-07-06

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EP09151375A Withdrawn EP2085342A3 (fr) 2008-01-30 2009-01-27 Procédé d'enroulement d'une bande de matériau en rouleau de bande de matériau et dispositif d'enroulement, notamment dispositif d'enroulement de cylindre de support

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EP (1) EP2085342A3 (fr)
DE (1) DE102008000179A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111977421A (zh) * 2020-09-07 2020-11-24 杭州海洋电脑制版印刷有限公司 一种大幅面打印机的收卷装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013108507B4 (de) * 2013-07-04 2017-11-02 TRüTZSCHLER GMBH & CO. KG Wickelmaschine zum Aufwickeln von Wattenbändern zu Wattewickeln

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002094696A1 (fr) 2001-01-10 2002-11-28 Valmet Corporation Systeme de detection de vibrations pour produit en rouleau
DE102005035619A1 (de) 2005-07-29 2007-02-08 Voith Patent Gmbh Verfahren zum Aufwickeln einer Materialbahn und Wickelvorrichtung

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
DE3836367C1 (fr) * 1988-10-26 1989-12-14 J.M. Voith Gmbh, 7920 Heidenheim, De
JPH0680289A (ja) * 1992-09-03 1994-03-22 New Oji Paper Co Ltd ワインダーの振動制御方法
FI118961B (fi) * 2006-04-06 2008-05-30 Metso Paper Inc Menetelmä värähtelyn vaimennuksessa rullaimilla

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002094696A1 (fr) 2001-01-10 2002-11-28 Valmet Corporation Systeme de detection de vibrations pour produit en rouleau
DE102005035619A1 (de) 2005-07-29 2007-02-08 Voith Patent Gmbh Verfahren zum Aufwickeln einer Materialbahn und Wickelvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111977421A (zh) * 2020-09-07 2020-11-24 杭州海洋电脑制版印刷有限公司 一种大幅面打印机的收卷装置

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EP2085342A3 (fr) 2011-07-06

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