EP2813452B1 - Enrouleur à deux tambours et procédé d'exploitation d'un tel enrouleur - Google Patents

Enrouleur à deux tambours et procédé d'exploitation d'un tel enrouleur Download PDF

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Publication number
EP2813452B1
EP2813452B1 EP13171377.8A EP13171377A EP2813452B1 EP 2813452 B1 EP2813452 B1 EP 2813452B1 EP 13171377 A EP13171377 A EP 13171377A EP 2813452 B1 EP2813452 B1 EP 2813452B1
Authority
EP
European Patent Office
Prior art keywords
roll
rider roll
rider
vibration
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.)
Not-in-force
Application number
EP13171377.8A
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German (de)
English (en)
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EP2813452A1 (fr
Inventor
Kenneth ÅKERLUND
Marko Jorkama
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.)
Valmet Technologies Oy
Original Assignee
Valmet Technologies Oy
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 Valmet Technologies Oy filed Critical Valmet Technologies Oy
Priority to EP13171377.8A priority Critical patent/EP2813452B1/fr
Publication of EP2813452A1 publication Critical patent/EP2813452A1/fr
Application granted granted Critical
Publication of EP2813452B1 publication Critical patent/EP2813452B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/40—Shafts, cylinders, drums, spindles
    • B65H2404/43—Rider roll construction
    • 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
    • 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
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/50—Diminishing, minimizing or reducing
    • B65H2601/52—Diminishing, minimizing or reducing entities relating to handling machine
    • B65H2601/524—Vibration
    • B65H2601/5242—Vibration by using mass damper
    • 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
    • B65H2801/84—Paper-making machines

Definitions

  • the present invention relates to a two-drum winder for winding partial webs according to the preamble of claim 1 for reducing machine directional vibrations in a partial web winder of a fibrous web.
  • Invention relates also to method of operating a two-drum winder according to preamble of the other independent claim.
  • the machine roll is un-wound and the wide web is slit with the slitting part of the slitter-winder into a number of narrower partial webs that are rewound with a partial web winder to form customer rolls.
  • the slitter-winder is stopped and the partial web rolls are removed from the machine, i.e. the set change is done. Subsequent to this the process is continued as winding of a new set of rolls.
  • the partial web winder can be a two-drum type winder in which the partial web rolls are wound carried by winding drums, typically supported by a rider roll from above.
  • FI101283 discloses a method in which the running speed of the winder is controlled based on the rotation frequency of the roll so that as the rotation frequency of the roll approaches the vicinity of the vibration range, i.e. the roll rotation frequency range where there is a strong vibration, the running speed is quickly lowered so that the rotation speed of the roll decreases to below the lower frequency of the vibration range and subsequent to this the running speed is increased so that the rotation frequency of the roll remains constant until the original running speed of the winder is reached. Due to the change of the running speed this has an effect on the total capacity of the winder.
  • the rider roll is moved to compensate the growth of the diameter of the rolls.
  • the rider roll arrangement is movably supported by the body structure of the winding part.
  • the consecutive longitudinal rolls are locked in their places as a line of rolls by means of a core locking device arranged at both ends.
  • the support means contacting the roll (or rolls) to be wound are exposed to the dynamic load caused by the rotating roll.
  • dynamic loads causing vibration especially in the rider roll and the supporting rider roll beam, excited by the partial web rolls to be wound.
  • the diameter of the roll to be wound has an effect on the vibration of the rider roll.
  • the vibration conditions change as the winding proceeds.
  • the design aim of the rider roll of a slitter-winder is a stable construction able to withstand dynamic load.
  • a generally used practical solution is one in which rider roll segments are suspended from a relatively rigid rider roll beam.
  • the rider roll beam is moved along two or more guides attached to the body. Both the guides and the cylinders are located near the ends of the beam.
  • a particular form of vibration occurring in a two-drum winder is machine directional concurrent vibration of the rolls in the set.
  • the whole set or single rolls can start to oscillate typically on a relatively low frequency (about 5-15 Hz) in the machine direction on top of the winding drums.
  • the phenomenon can limit the maximum speed usable in winding, thus decreasing capacity. In the worst case, the phenomenon can cause the off-throwing of the set.
  • the forming of partial web rolls can be achieved more advantageous if the rider roll is provided with a drive. Then, it is possible to apply moment/force, i.e. pull, to the surface of the web roll with the rider roll.
  • Publication EP2108606 A2 describes a two-drum winder in which the rider roll unit comprises a drive. More particularly there is disclosed a two-drum winder which comprises at least two surface support elements of the roll arranged to support at least one roll being formed substantially below it and at least one loading device which is arranged to support said roll at least for part of the forming time of the roll substantially above it.
  • the winder comprises also at least one drive so that the drive is arranged to apply tangential force to the roll being wound and a control arrangement which is arranged to control said at least one drive of the two-drum winder so that the drive provides the roll being wound with an effect diminishing the machine directional concurrent vibration of parallel rolls, which in this case is machine directional concurrent vibration of the rolls in the current set..
  • the drive In order to operate in acceptable manner the drive must be of considerable power and the system requires somewhat sophisticated controlling system.
  • Document EP 1 375 401 discloses a two drum winder with a rider roller and two additional rollers coupled to the rider roller to limit the vibrations of the wound roll.
  • Object of the invention is to provide such a two-drum winder by means of which the machine directional concurrent vibration of the rolls is at least minimized in a straightforward manner.
  • the objects of the invention are mainly achieved with a two-drum winder for winding partial webs according to claim 1 and method of operating a two-drum winder according to claim 12.
  • a two-drum winder refers to a web winder in which at least one roll being formed is supported below the roll with at least two surface support devices of the winder, such as a roll or a set of belts supported by rolls.
  • the cross direction refers to the direction of the longitudinal axis of the surface support device, such as the roll, and the machine direction the direction perpendicular in relation to the cross direction and the vertical direction.
  • a set refers to a set of partial web rolls being wound simultaneously on the winder.
  • a roll refers to one or more rolls. Above and below refer to the upper side and under side of a horizontal plane passing via the centre of the roll.
  • Belt means a belt, chain or any other endless power transmission loop.
  • Term rigid means rigid in practical sense without an intention of having flexibility and/or rigid element does not influence on the dynamics of the rotation of the system.
  • a two-drum winder for winding partial webs for a fibrous web
  • a two-drum winder for winding partial webs for a fibrous web
  • the rider roll is provided with a vibration damper arranged to attenuate rotational vibration of the rider roll such that the machine directional concurrent vibration of the web roll is attenuated via tangential force interaction between the rider roll and the web roll
  • the vibration damper comprises a mass element which is rigidly coupled by a coupling system to the rider roll to rotate along with the rider roll.
  • the mass element is not in connection with, or in other words, is separated from the web rolls it size may be selected with greater freedom and based on the demands of its primary function.
  • the vibration damper reduces the machine directional vibrations of the web rolls.
  • the coupling system comprises power transmission coupling between the rider roll and the mass element.
  • the coupling system comprises power transmission coupling between the rider roll and the mass element which is provided with on/off coupling so that the mass element may be engaged to or disengaged from the rider roll. So, as the rotation frequency of the rolls approaches the vicinity of the vibration range, i.e. the roll rotation frequency range where there is a strong vibration, the mass element may be coupled (or uncoupled in case it was previously coupled) to the rider roll. Due to effect of the mass element the resonance frequency may be change away from the rotation frequency of the rolls.
  • the coupling system comprises power transmission loop coupling, having a first wheel connected to the rider roll and a second wheel connected to the mass element and a power transmission loop connecting the first and the second wheels.
  • the first and the second wheel provide a gear ratio different from 1:1.
  • the gear ratio is such that the mass element of the vibration damper is arranged to rotate at greater angular speed than the rider roll.
  • the rider roll is supported by a beam extending over the length of the rider roll and comprising end walls at the opposite end thereof and the that the vibration damper is rotatably supported to the end walls.
  • the rider roll is supported by a beam extending over the length of the rider roll and that the vibration damper is rotatably supported inside the beam.
  • the vibration damper is arranged adjustable during operation of the two-drum winder.
  • the coupling system comprises power transmission having a variably controllable transmission.
  • the vibration damper comprises a friction damper coupled by a coupling system to the rider roll to rotate along with the rider roll.
  • the vibration damper comprises a friction damper comprises a clutch member connected to the coupling system and a mass unit which is arranged rotatable such that the rotation is suppressed or allowed by a friction force in the contact between the mass unit and the clutch member.
  • a particular embodiment of the invention relates to initial acceleration phase of the winding during which the frequency of excitation of the machine directional concurrent vibration of the web roll is considerably high.
  • the initial phase forms the bottom of the roll over which the layers are formed and therefore it is an important phase.
  • the overall moment of inertia of the mass element of the vibration damper is at least 1,5 times the moment of inertia of the rider roll, but at least 5 m/s 2 .
  • An object of the invention is also met by a method in which a two-drum winder is operated for winding partial webs for a fibrous web on at least two surface support elements to support a web roll from below and a rider roll which supports said web roll at least for part of the forming time of the web roll above it.
  • the rider roll is provided with a vibration damper arranged to attenuate rotational vibration of the rider roll such that the machine directional concurrent vibration of the web roll is attenuated via tangential force interaction between the rider roll and the web roll, in which rotational vibration of the rider roll is damped by the vibration damper comprising a mass element which is rigidly coupled by a coupling system to the rider roll to rotate along with the rider roll.
  • the mass moment of the inertia of the mass element is arranged to change the resonance frequency of the vibration.
  • the winder is operated so that as the rotation frequency of the rolls approaches the vicinity of the vibration range the mass element is be coupled or uncoupled in case it was previously coupled, to the rider roll.
  • the resonance frequency may be change away from the rotation frequency of the rolls.
  • Fig. 1 shows a two-drum winder 10 according to an embodiment of the invention.
  • the two-drum winder comprises a front winding drum 15 and a rear winding drum 20 as support rolls.
  • the winding drums support from below a set of web rolls 25 being wound of partial webs W in the winder in a manner known as such.
  • the rider roll 30 is supported on a rider-roll beam 35.
  • the rider roll may be a single roll extending from the first (front) side of the winder to the second (back) side thereof or it may be constructed of several interconnected roll segments.
  • the interconnection means that the roll segments are rotatable connected with each other.
  • the winding drums 15, 20 of the two-drum winder 10 are provided with drives 15.1, 20.1 by means of which surface draw i.e. tangential force can be applied to the roll being formed.
  • the rider roll 30 may also be provided with a drive, even if not shown here.
  • Fig. 1 schematically shows the machine directional concurrent vibration of parallel rolls which can be at least considerably minimised or even eliminated with the two-drum winder.
  • the whole set reference 25' in Fig. 2 moves back and forth in the machine direction from its stable position mainly by rotating alternately on the surface of the front and rear drum 15, 20 as is shown in exaggerated manner in Fig. 1 .
  • Individual back and forth motion of single rolls can be minimized by combining successive rolls 25 of the set 25' from their winding centers to each other e.g. by a sleeve 45 which sufficiently locks the centers to each other radially.
  • Fig. 2 which shows section of the two-drum winder of Fig. 1 from direction A.
  • the rider roll 30 is provided with a vibration damper 40, which comprises a mass element 42 providing additional mass to even the machine directional concurrent vibration of the web roll 25.
  • the mass element 42 is rigidly coupled by a coupling system 44 to the rider roll 30. It is arranged to rotate along with the rider roll.
  • the excitation of the vibration is transmitted into rotational oscillation of the rider roll 30. Due to the increased inertia of the rider roll - vibration damper system the rotational oscillation of the rider roll 30 is reduced and thus the machine directional concurrent vibration of the web roll 25 is minimized accordingly.
  • the machine directional concurrent vibration of parallel rolls affecting the whole set 25' can be minimised when the two-drum winder 10 comprises a vibration damper 40 arranged to the rider roll 30.
  • the vibration damper 40 comprises a mass element 42 of suitable form.
  • the mass element is coupled to the rider roll 30 by a coupling system 44 so that the mass element may rotate along with the rider roll by means of which the inertia of the system is increased.
  • the mass element 42 coupled to the roll 30 via the coupling system is rigid so that the mass element follows the rotational vibration of the rider roll 30.
  • the coupling system is a bar or a shaft arranged at the common rotational axis of the roll and the mass element 42.
  • the mass element is coupled to an end of the roll 30.
  • the rider roll and the beam according to an embodiment of the invention in which the vibration damper 40 is arranged above the beam 35 of the winder. This way it does not require or reserve space on the side of the winder, which is advantageous.
  • the vibration damper 40 being located at a distance from the rider roll needs a coupling system which facilitates power transmission between the roll and the mass element 42.
  • the coupling system comprises a belt drive coupling 50 having a first belt wheel 51 connected to the rider roll 30 and a second belt wheel 52 connected to the mass element 42 and a belt 53 connecting the first and the second belt wheels.
  • the belt is still or inelastic so that the mass element follows the rotation and rotational vibration of the rider roll 30.
  • the vibration damper 40 is arranged inside the rider roll beam 35 of the winder.
  • the coupling system 50 comprises a power transmission coupling between the rider roll and the mass element.
  • the power transmission coupling is a belt drive coupling 50.
  • the belt drive coupling comprising a first belt wheel 51 connected to the rider roll 30 and a second belt wheel 52 connected to the mass element 42 and a belt 53 connecting the first and the second belt wheels.
  • the mass element 42 is supported to an end walls 35' of the beam 35.As can be seen the mass element is in the figure 4 a cylindrical object.
  • first belt wheel and the second belt wheel are of different effective diameter, in other words the first and the second wheel provide a gear ratio different from 1:1. It is particularly advantageous when the mass element is arranged to rotate at higher speed than the rider roll. Increasing the rotational speed of the mass element the kinetic energy may be increased without increasing the moment of inertia of the mass element of the vibration damper.
  • the gear ratio should in practice be as big as possible given that the flexibility of the transmission, e.g. a belt will not disturb or dominate the operation.
  • the mass moment of inertia increases with square of the gear ratio.
  • the rotational speed of the mass element is arranged to increase in response to the web roll diameter.
  • the mass has a certain weight (or moment of inertia)
  • its effect to the kinetic energy of the rotating mass element may be increased by square by increasing its rotational speed.
  • the rider roll may prevent more efficiently the machine directional concurrent vibration of the web roll via tangential force interaction between the rider roll 30 and set 25' of the web rolls 25.
  • the power transmission coupling may be realized also by different kinds of gear or surface drive devices.
  • the weight of the mass element may be of the same magnitude as the rider roll.
  • the coupling system44 comprises a belt drive coupling 50 as the power transmission system.
  • the belt drive coupling comprises a first belt wheel 51 connected to the rider roll 30.
  • the first belt wheel is nonadjustable i.e. its diameter is fixed.
  • the second belt wheel 52 connected to drive the mass element 42 is adjustable such that its effective diameter may be changed during the operation and thus the transmission ratio of the belt drive coupling may be changed.
  • the second wheel may comprise means for changing the distance between the opposing inner surfaces of the wheel which, given that the belt has fixed width, changes the radial contact distance of the belt.
  • a belt 53 is connecting the first and the second belt wheels.
  • the mass element of the vibration damper comprises a friction damper 60.
  • the friction damper may be attached in connection with a separate mass element 42, as is the case in figure 6 .
  • the friction damper may also be constructed to be in integral part of the mass element or it may be the mass element by selecting its the weight properly.
  • the friction damper 60 is shown enlarged as its encircled portion in the figure.
  • the friction damper 60 comprises a shaft 62 which is coupled to the mass element or to the second belt wheel 52 or the coupling system 44 (not shown). Thus the shaft 62 rotates along with the coupling system and thus also with the rider roll 30.
  • the friction damper comprises a clutch member 64 secured to the shaft 62 so that they rotate as a unit. The purpose and operation of the clutch member will be explained later.
  • the friction damper 60 comprises further a mass unit 66 which supported rotatably in respect to the shaft. In the figure 7 the mass unit 66 supported by bearings 68 to the clutch member 64. Alternatively the mass unit 66 may be supported directly by the shaft 62.
  • the mass unit 66 is constantly pressed against the clutch member 64 so that friction force in the contact between the mass unit 66 and the clutch member 64 maintains the otherwise freely rotatable mass unit 66 fixed with the clutch member.
  • the mass unit 66 comprises two disk-like parts 66.1, 66.2 and the clutch member 64 comprises a portion 70 radially between the two disk-like parts 66.1, 66.2.
  • the disk-like parts are urged towards each other by spring elements 72 pressed by pins 74 or a like so that the clutch member 64 is constantly pressed between them.
  • the press contact is made via friction pads 74.
  • the mass unit 66 and the clutch member 63 are immovably coupled with each other until the clutch member accelerates so strongly that the force exceeds the static friction.
  • the friction damper is constructed to be the mass element the total weight of the friction damper is allocated between the mass unit 66 and the clutch member 64 to the case.
  • An example of such construction is shown in figure 7 using the same reference number for corresponding elements.
  • the graph 70 depicts the case without the vibration damper
  • the graph 72 depicts the case with 4 times increased mass moment of inertia of the rider rolls
  • the graph 74 depicts the case with 8 times increased mass moment of inertia of the rider rolls
  • the graph 76 depicts the case with 12 times increased mass moment of inertia of the rider rolls.
  • the characteristics of the winder were: width of the set 7 m, diameter of the web rolls 900 mm, the mass eccentricity of the web rolls 0.01 mm, diameter of the winding drums 800 mm, diameter of the rider rolls 200 mm.
  • the increase of the mass moment of inertia has two effects: the height of the resonance spike decreases with the mass moment of inertia and secondly the natural frequency decrease with the mass moment of inertia.
  • the former feature enables avoiding running at the resonance by altering the mass moment of inertia according to the rotation frequency of the web rolls.

Landscapes

  • Winding Of Webs (AREA)

Claims (13)

  1. Bobineuse à deux tambours pour l'enroulement de nappe partielles (10) pour une nappe fibreuse comprenant au moins deux éléments supports de surface (15, 20) pour supporter un rouleau de nappe (25) par-dessous et un rouleau compresseur (30) qui est conçu pour supporter ledit rouleau de nappe (25) au moins pendant une partie du temps de formage de rouleau de nappe au-dessus de celui-ci, le rouleau compresseur (30) étant équipé d'un amortisseur de vibration (40) conçu pour atténuer la vibration rotationnelle du rouleau compresseur de manière à ce que la vibration concurrente directionnelle mécanique du rouleau de nappe soit atténuée par interaction de force tangentielle entre le rouleau compresseur (30) et le rouleau de nappe (25) et caractérisée en ce que l'amortisseur de vibration (40) comprend un élément de masse (42) qui est couplé rigidement par un système de couplage au rouleau compresseur (30) afin de tourner à une plus grande vitesse que le rouleau compresseur.
  2. Bobineuse à deux tambours pour enrouler des nappes partielles (10) selon la revendication 1, caractérisée en ce que le système de couplage (44) comprend un accouplement de transmission de puissance entre le rouleau compresseur (30) et l'élément de masse (42).
  3. Bobineuse à deux tambours pour enrouler des nappes partielles (10) selon la revendication 2, caractérisée en ce que le système de couplage (44) est pourvu d'un accouplement marche/arrêt.
  4. Bobineuse à deux tambours pour enrouler des nappes partielles (10) selon la revendication 2, caractérisée en ce que le système de couplage comprend un accouplement de transmission de puissance doté d'une première roue connectée au rouleau compresseur et d'une seconde roue connectée à l'élément de masse et une boucle de transmission de puissance connectant les première et seconde roues.
  5. Bobineuse à deux tambours pour enrouler des nappes partielles (10) selon la revendication 2, caractérisée en ce que les première et seconde roues donnent un ratio de transmission différent de 1:1.
  6. Bobineuse à deux tambours pour enrouler des nappes partielles (10) selon la revendication 1, caractérisée en ce que le rouleau compresseur (30) est supporté par une poutre (35) s'etendant sur la longueur du rouleau compresseur (30) et comprenant des parois terminales (35') à ses extrémités opposées et que l'amortisseur de vibration est supporté en rotation par les parois terminales.
  7. Bobineuse à deux tambours pour enrouler des nappes partielles (10) selon la revendication 1, caractérisée en ce que le rouleau compresseur (30) est supporté par une poutre (35) s'étendant sur la longueur du rouleau compresseur (30) et que l'amortisseur de vibration (40) est supporté en rotation à l'intérieur de la poutre (35).
  8. Bobineuse à deux tambours pour enrouler des nappes partielles (10) selon la revendication 2, caractérisée en ce que l'amortisseur de vibration est conçu pour être ajustable pendant le fonctionnement de la bobineuse à deux tambours (10).
  9. Bobineuse à deux tambours pour enrouler des nappe partielles (10) selon la revendication 2 ou 6, caractérisée en ce que le système de couplage comprend une transmission de puissance dotée d'une transmission contrôlable de manière variable.
  10. Bobineuse à deux tambours pour enrouler des nappes partielles (10) selon la revendication 1, caractérisée en ce que l'amortisseur de vibration comprend un amortisseur de friction couplé par un système de couplage au rouleau compresseur (30) de manière à tourner en même temps que le rouleau compresseur.
  11. Procédé d'utilisation d'une bobineuse à deux tambours, dans lequel des nappes partielles (10) pour une nappe fibreuse sont enroulées sur au moins deux éléments supports de surface (15, 20) supportant un rouleau de rouleau de nappe (25) par-dessous et dans lequel un rouleau compresseur (30) supporte ledit rouleau de nappe pendant une partie du temps de formage du rouleau de nappe au-dessus de celui-ci, le rouleau compresseur (30) étant pourvu d'un amortisseur de vibration (40) du rouleau compresseur de manière à ce que la vibration concurrente directionnelle mécanique du rouleau compresseur (25) soit atténuée par interaction de force tangentielle entre le rouleau compresseur et le rouleau de nappe, dans lequel la vibration rotationnelle du rouleau compresseur est amortie par l'amortisseur de vibration (40), caractérisé par un élément de masse (42) qui est couplé rigidement par un système de couplage au rouleau compresseur pour tourner à une plus grande vitesse que le rouleau compresseur.
  12. Procédé selon la revendication 11, caractérisé en ce que, dans le procédé, le couple de masse de l'inertie de l'élément de masse (42) est conçu pour modifier la fréquence de résonance de la vibration.
  13. Procédé selon la revendication 12, caractérisé en ce que la bobineuse est actionnée de manière à ce que la fréquence de rotation des rouleaux s'approche approximativement de la plage de vibration à laquelle l'élément de masse doit être couplé ou non couplé dans le cas où il a été précédemment couplé au rouleau compresseur.
EP13171377.8A 2013-06-11 2013-06-11 Enrouleur à deux tambours et procédé d'exploitation d'un tel enrouleur Not-in-force EP2813452B1 (fr)

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EP13171377.8A EP2813452B1 (fr) 2013-06-11 2013-06-11 Enrouleur à deux tambours et procédé d'exploitation d'un tel enrouleur

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EP13171377.8A EP2813452B1 (fr) 2013-06-11 2013-06-11 Enrouleur à deux tambours et procédé d'exploitation d'un tel enrouleur

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EP2813452A1 EP2813452A1 (fr) 2014-12-17
EP2813452B1 true EP2813452B1 (fr) 2017-03-29

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CN108689228A (zh) * 2018-05-30 2018-10-23 大连奥特马工业有限公司 双通道立式卷边机
CN116873620A (zh) * 2023-07-17 2023-10-13 海宁海宏新材料有限公司 一种切边机的可调速收卷装置

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US4180216A (en) 1978-04-12 1979-12-25 Beloit Corporation Winder with horizontal rider roll adjustment
DE2853548C2 (de) * 1978-12-12 1982-02-11 Jagenberg-Werke AG, 4000 Düsseldorf Vorrichtung zum vertikalen Nachführen der Führungsschlitten für die Achse von Wickelrollen beim Aufwickeln von Bahnen
US5878975A (en) * 1997-12-02 1999-03-09 Beloit Technologies, Inc. Winder rider roll assembly
EP1375401B1 (fr) * 2002-06-25 2007-01-03 A. CELLI NONWOVENS S.p.A. Ré-enrouleuse avec des cylindres auxiliaires et méthode d'enroulement associée
FI121460B (fi) 2008-04-10 2010-11-30 Metso Paper Inc Kantotelarullain ja menetelmä kantotelarullaimen käyttämiseksi

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