EP2922695B1 - Système d'entraînement destiné au façonnage d'une bande de matériau - Google Patents

Système d'entraînement destiné au façonnage d'une bande de matériau Download PDF

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Publication number
EP2922695B1
EP2922695B1 EP12801495.8A EP12801495A EP2922695B1 EP 2922695 B1 EP2922695 B1 EP 2922695B1 EP 12801495 A EP12801495 A EP 12801495A EP 2922695 B1 EP2922695 B1 EP 2922695B1
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EP
European Patent Office
Prior art keywords
drive
torque
master
set point
force
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Not-in-force
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EP12801495.8A
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German (de)
English (en)
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EP2922695A1 (fr
Inventor
Günter HESSENAUER
Olaf Richter
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Baumueller Anlagen Systemtechnik GmbH and Co
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Baumueller Anlagen Systemtechnik GmbH and Co
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Publication of EP2922695A1 publication Critical patent/EP2922695A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2831—Control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/2863—Corrugating cylinders; Supporting or positioning means therefor; Drives therefor

Definitions

  • the invention relates to a driving method for moving a first and a second shaping means for the processing between these arranged, sheet-like material (called “material web”).
  • material web a sheet-like material
  • it is about the wave-like deformation, for example, a web with cardboard or cardboard, for which the forming means and optionally the material web are brought between them in non-positive and / or positive engagement.
  • the invention relates to a particular suitable for carrying out said method drive arrangement, which has two engageable with each other in non-positive and / or positive engagement molding means which are arranged so that between them a material web to be processed can find space.
  • the shaping means each have a corrugated surface, which intermeshes to form a material web arranged therebetween.
  • the drive and the control of the forming means via each associated separate motors, so that the Forming means can be operated in different directions and / or with different speed.
  • the invention has for its object to provide a drive structure for the molding means, whereby the efficiency of a web-forming process can be increased.
  • the shaping means are actively driven in each case with specially assigned drive means, they can be so controlled and coordinate with each other that in the course of profiling or reshaping of the web at the same time their compression between the forming means both time and component saving and always flexible to respective conditions and requirements can be met.
  • an independently controllable drive means to each one of the mold means can, if they interlock positively and / or positively, whose forming moments in the sense of a constant surface pressure, in particular in a honeycomb formation are selectively varied.
  • the slave drive operates with such a selected force or torque that the two shaping means exert a predetermined pressing force on the intermediate material web.
  • the force or torque exerted by the slave drive on the shaping means is selected such that the pressing force produces a constant surface pressure on the material.
  • the material web between the interlocking shaping means can be both in a waveform in a waveform or other form form as well as compress, whereby their water absorbency is reduced.
  • the drives are controlled in such a way that the shaping means in force and / or positive engagement press against one another.
  • the shaping means are driven so that one drives or brakes the other.
  • the invention proposes that of the drives a first as connected to the first forming means master drive and a second as the second forming means connected slave drive can be used.
  • the slave drive is actuated or operated as a function of or under the influence of a position value of the master drive and / or of the first shaping means (hereinafter referred to as "master position value") (cf claim 1).
  • master position value a position value of the master drive and / or of the first shaping means (hereinafter referred to as "master position value" (cf claim 1).
  • master position value a position value of the master drive and / or of the first shaping means
  • the slave drive thus generates its force or its torque as a function of the (rotational) position (master position value) of the master drive and / or the (first) forming means connected to it.
  • a correlation and / or a correlation of the forces or moments exerted by the slave drive with the respective position of the master drive or of the (first) shaping means driven by the latter can be realized. This allows specific, locally varying Forming profiles between the forming means in the realization of a constant surface pressure take into account.
  • the master position values are each assigned a force or torque setpoint from which the slave drive is controlled or operated depending on or influenced (see claim 2).
  • the master drive is coupled with the first forming means assigned to it in a rotationally or motion-proof manner, for example rigidly in the manner of a direct drive
  • the variable, spatially variable course of the forming profile can be reproduced and utilized on the shaping means for the corresponding generation of a torque setpoint for the slave drive
  • a special invention training is to make the assignment between the master position values and the force or torque setpoints corresponding to a forming profile, an outer contour or other geometry or topography of the molding or the forming means and / or corresponding to the pressing force to be generated according to specification (see Claim 3).
  • the force or torque setpoints generated in this way are given to the slave drive, in particular its current regulator, as a control or reference variable within the scope of an (open) control chain or as a setpoint within the scope of a (closed) control loop (see claim 4).
  • the torque control or setpoint value is impressed on the slave drive and thus on the (second) shaping means regularly via a corresponding motor current flow.
  • mechanical transmission elements in particular transmissions or the like, which are installed between the electric drive and the shaping means (for example gearwheel-shaped forming wheels) between the drive and the shaping means. It inevitably occur mechanical friction losses.
  • training that the force or torque setpoint associated with an additional force or additional torque, pilot action or applied, for example summed, by weighting or filtering a position and / or speed value of the master drive or of the first shaping means (called "master velocity value") associated therewith with a predetermined, linear or nonlinear characteristic or function table is obtained (see claim 5).
  • master velocity value a predetermined, linear or nonlinear characteristic or function table
  • the slave drive is operated in force or torque control with the force or torque setpoint as a reference variable, the force or torque setpoint being subjected to a comparison with a force or torque actual value measured on preferably at least one of the shaping means (cf. Claim 6).
  • the advantage is achieved that, for example, caused by mechanical friction loss moments can be corrected directly.
  • a pilot control with an additional force or an additional torque is no longer absolutely necessary.
  • the use of a PI controller proportional / integral controller
  • the PI controller then only has to iron out minor deviations.
  • the pre-control can be used to improve the control dynamics.
  • the slave drive is operated in speed and / or position control at a control and / or torque limit, which is dependent on or influenced by the master position value and / or force or torque setpoint (see claim 8).
  • a control and / or torque limit which is dependent on or influenced by the master position value and / or force or torque setpoint (see claim 8).
  • the speed or speed controller to rearrange a function block "torque and current limiting", which serves among other things, the device protection.
  • the slave drive expedient a servo drive, regularly has a speed or speed controller with integrating share. With constantly present speed deviation of the speed or speed controller is driven via its integrating component in its modulation limit (saturation). This control limit can be influenced, it is specifiable.
  • variable modulation limit or the adjustable saturation amount is appropriate (also) over set the torque setpoint.
  • the speed and / or position setpoint for the slave drive is generated as a function of a sign or a direction of the force or torque setpoint such that the speed and / or position setpoint for the slave drive greater or smaller than the speed and / or position setpoint for the master drive is (see claim 9).
  • a controller in particular a speed controller, with integrating component (I component) for the slave drive in such a way that the controller is guided into its torque limit (see claim 10).
  • a variant of the invention is expedient in which the master and / or slave drive, which are fundamentally complementary to one another, are operated alternately as generator or motor, depending on their instantaneous (rotational) position. This is subject to any friction losses.
  • the transition from motor to regenerative operation does not necessarily take place but is dependent on whether the forces acting against the direction of rotation on the slave wheel as the shaping means are greater or smaller than the pressing force required in terms of process technology. It may therefore happen that the slave wheel works due to the friction conditions the entire cycle motor.
  • these or the master and the slave drive work as it were "against each other".
  • the slave drive brakes the master drive, resulting in the slave drive generator operation.
  • a corresponding setting or restriction for the slave drive can be achieved via the scaling of a characteristic element / an electronic cam for Conversion of the master position value into a force and / or torque setpoint (see below) for the slave drive.
  • the full utilization of the slave drive to generate its maximum force or its maximum torque can be avoided not only via a direct force or torque specification, but also via a force or torque limitation (see above).
  • the specification from the force and / or torque setpoint characteristic element acts within the meaning of the invention training either on the force or torque limitation or (omitting a speed / speed and position controller) directly as a torque setpoint for the slave drive.
  • a particularly suitable for carrying out the drive method of the invention suitable drive arrangement provided with two engageable with each other in non-positive and / or positive engagement, arranged in such a form means that between them a material web to be processed can accommodate, is characterized by the following:
  • the shaping means are with each connected to its own electric servo drive or other electric drive; the said servo or electric drives can be controlled and coordinated by a (higher-level) control or master control device; the control device is set up and designed to operate the electric drives for clamping the shaping means against each other (see claim 14).
  • This arrangement implies that the shaping means are arranged with a predetermined distance from one another, depending on the thickness of the material web to be processed, for forming opposing abutment and pressing surfaces or a passage gap for the material web arranged therebetween.
  • the electric drives are configured as the master drive and as the slave drive that follows or dominates it.
  • the control means comprises a source for providing a master attitude value, and a source-connected, linear or non-linear characteristic member for converting the master attitude value into a torque command value.
  • the latter is supplied to its processing and implementation control means of the slave drive (see claim 14).
  • the characteristic element can be used, for example, as a function table in which Master position values are associated with respective torque setpoints stored in a memory area of the control device.
  • the characteristic element is designed with a function profile and / or an allocation table and / or as an electronic cam which corresponds to a forming profile optionally with bends or other geometry or topography of the forming means (cf.
  • the consequent periodicity of the peripheral forming profile located on the circumference can be expediently reproduced in the manner of a cam disc.
  • a change of the forming means pair can be taken into account by changing the electronic cam or the characteristic element.
  • control device comprises a summing member upstream of the control means of the slave drive, which is connected to the output of the torque setpoint characteristic element and the output of another torque characteristic element, which serves in particular to compensate for the friction losses between the shaping means ( see claim 16).
  • the control device comprises a control element and a setpoint / actual value comparator upstream of the input of the control element.
  • the latter is connected on the input side to the torque setpoint characteristic element and to a torque actual value source.
  • the control element output is supplied to the one or more control means of the slave drive (see claim 17).
  • the actual torque value can be measured at the forming means, which is coupled to the master or the slave drive.
  • the control device comprises a direction detector downstream of the torque setpoint characteristic element, as it were a sign filter, and a setpoint generator for the position and / or speed of the slave drive.
  • the setpoint generator is connected on the input side to the said master position value source and the output of the direction detector (sign filter) and is set or designed for programming and / or switching technology to generate a velocity and / or position setpoint for the slave drive, depending on the input variables. the one or more larger or smaller than that or the master drive are (see claim 18).
  • FIG. 1 is between two gear-like, standing together in positive and positive engagement form wheels 1, 2 a Material web 3 out and pressed under the action of temperature and pressure and formed into a wave-shaped profile.
  • a rack-shaped profile is formed in the material web.
  • the first form wheel or master wheel 1 by means of a dedicated servo motor, a rotation 4 clockwise
  • the second, the master wheel 1 subordinate form wheel or Slaverad 2 by means of another, dedicated servo motor rotation 5 counterclockwise granted.
  • the forming wheels / rollers 1, 2 can drive independently.
  • This drive autonomy is used via the control and regulation mentioned above and below to produce a generally constant desired surface pressure over the entire wave-like structure of the material web 3 for forming the material or material web 3 running between the forming wheels 1, 2.
  • force vectors in FIG. 1 are applied to the web 3 of the respective tooth flanks 6 of the master wheel 1 and the slave wheel 2 oppositely directed normal forces FN on both sides of the web 3.
  • These oppositely directed normal forces FN result from the fact that the master wheel 1 and the slave wheel 2 work with their gear-shaped forming profiles against each other in the sense of a "tension”. It is desirable that these normal forces FN or the tension or the resulting surface pressure (force per surface or pressure) for the material web 3 over the entire wave structure is kept constant.
  • the drive of the first forming wheel 1 has the function of a master drive ("master”) and is preferably operated in position control at a constant speed (not shown).
  • master master
  • slave drive "slave drive”
  • a torque setpoint for the slave drive 7 is specified.
  • the output of the source 8 is fed to a linear or non-linear characteristic element 9 for generating angle-dependent torque setpoints.
  • the characteristic element 9 is realized as a function table or electronic cam known per se, for which an adaptation to the respective (gear) geometry currently used form wheels 1, 2 can be made by software or parameter updates.
  • the characteristic element 9 is stored as a table for the setpoint torque of the slave drive 7 as a function of the master position value or the master position from the source 8.
  • the resulting torque on the tooth flanks of the forming wheels 1, 2 is optionally falsified by friction (eg in a transmission between drive and forming wheel) in the drive train of the slave wheel 2, in particular the torque of the slave wheel 2 depending on its straight pressing tooth flank in or acts against the direction of rotation 5.
  • the driving torque would be reduced by the friction losses, and the braking torque increased accordingly. Therefore, according to FIG. 2 stored in the drive control or drive control device 10 in a further characteristic element 11, a speed-dependent Reibudgekurve.
  • the friction compensation characteristic element 11 is connected on the input side to a differentiating element 12 whose input from the master position value source 8 is fed.
  • the output of the friction compensation characteristic element 11 is supplied to an adder 13 whose second input is connected to the output of the torque setpoint characteristic element 9. From this arrangement of the functional components results in an addition of a specific friction compensation torque for torque input from the torque setpoint characteristic element 9, or from the "Press curve" for the slave drive 7.
  • the output of the adder 13 then forms the actual torque specification for the slave drive. 7 , for example, the setpoint for the current controller of a servo drive. If the frictional losses change during operation (eg due to temperature changes in the gearbox, shrinkage or wear of the gearbox), this can be demonstrated in the exemplary embodiment FIG. 2 only be taken into account by adaptation or an update of the characteristic element or the electronic cam. Otherwise, there would be a deviation from the desired desired pressure of the material web 3.
  • the basic setpoint for the torque is analogous to the embodiment according to FIG. 2 generated with the master position value source 8 and the downstream torque setpoint characteristic element 9. Furthermore, the actual torque is measured directly at the master or slave wheel 1, 2. This can be realized, for example, by means of a torque measuring shaft or via force measurement in a transmission output-side torque arm.
  • a setpoint / actual value comparator 14 which is connected to its (negative) negative feedback input with a torque actual value source 15, a control difference is generated, which is compensated by a proportional / integral controller (PI controller) 16.
  • PI controller proportional / integral controller
  • a pre-tax summing 17 whose second, positive input is connected to the output of the torque setpoint characteristic element 9.
  • the need for adjusting torque for the slave drive 7 can be taken into account, as can be expected from the corresponding characteristic element 9 due to the course of the torque setpoint.
  • the current state of the frictional losses can be taken into account, and a falsification or faulty one Influencing by temporal changes in the boundary conditions (aging, temperature changes of the gear, etc.) is avoided.
  • the torque measurement can be realized with standard measuring devices known per se.
  • FIG. 4 is the slave drive 7, operated in accordance with the usual servo drive in a control structure, in position and speed control.
  • Setpoint values for the angular position ⁇ setpoint and the rotational speed n soll are generated via respective setpoint generators SWG ⁇ , SWGn and fed to the respective associated controllers ⁇ controller , N 'controller in the slave drive 7.
  • the basic setpoint for the torque is analogous to the embodiments according to FIG. 2 and FIG. 3 generated from the master position value source 8 via the torque setpoint characteristic element 9.
  • the sign or the direction of the torque setpoint is detected and fed to a respective input of the setpoint generators SWG ⁇ , SWGn.
  • the setpoint generators are circuit- and / or program-technically configured and configured such that they generate desired values for the angular position and speed controllers of the slave drive 7, which are greater or smaller than the angular position, based on the direction of the torque setpoint and in dependence on the master position value or the master position - and speed value of the (not shown) master drive are.
  • the speed controller n controller About its in the existing I-portion of the speed controller n controller is driven to its control limit or saturation or forced the slave drive inevitably to its corresponding (motor or generator) torque limit. It is the speed controller n controller a position or speed setpoint specified, which is not achievable due to the geometry of the shaping means 1, 2, whereby the speed controller n controller is guided to its control limit or saturation.
  • the slave drive 7 has aphobiaslock 18 and / or the speed controller n controller inherent functionality for torque and current limiting.
  • the amount of saturation of the speed controller according to the torque setpoint from the corresponding characteristic element 9 can be set.
  • the control limit of the speed controller is variable and therefore dependent on Torque setpoint adjustable.
  • the amount of the torque limit can also be specified as a function of the master position or the output of the master position value source 8.
  • tooth flanks 6 are provided with convex curvatures, so that the footprint and the necessary Press force or clamping can be kept low. This results in a torque setpoint or torque limit not to large tax range. Real saturation limits can be accommodated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Multiple Motors (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Claims (18)

  1. Procédé d'entraînement pour le déplacement d'un premier et d'un second moyen de formage (1, 2) pour le traitement de matériaux en forme de bande (bandes de matériaux) disposés entre ces moyens de formage, en particulier pour un formage en ondulations, par exemple pour une bande de carton, dans lequel les moyens de formage (1, 2) et éventuellement le matériau en bande (3) sont amenés en engagement en force et/ou en engagement de forme entre les moyens de formage, dans lequel un moyen d'entraînement respectif est affecté à chacun des moyens de formage (1, 2), et les moyens d'entraînement sont activés de façon que les moyens de formage (1, 2) exercent une force de pression prédéfinie l'un contre l'autre et ainsi également sur le matériau en bande (3), caractérisé en ce qu'on utilise un premier moyen d'entraînement, ou moyen d'entraînement maître, couplé au premier moyen de formage (1), et un second moyen d'entraînement, ou moyen d'entraînement esclave (7), couplé au second moyen de formage (2), et le moyen d'entraînement esclave (7) est actionné ou fonctionne en fonction de ou sous l'influence d'une valeur de position du moyen d'entraînement maître et/ou du premier moyen de formage (1) (valeur de position maître).
  2. Procédé d'entraînement selon la revendication 1, caractérisé en ce que à chaque valeur de position maître est affectée une valeur de force ou une valeur de couple, de façon que le moyen d'entraînement esclave (7) est actionné ou fonctionne en fonction de ou sous l'influence de ces valeurs.
  3. Procédé d'entraînement selon la revendication 2, caractérisé en ce que la correspondance entre les valeurs de position maître et les valeurs de consigne de force ou de couple est choisie en fonction d'un profil de forme ou quelque autre géométrie ou topographie du ou des moyens de formage (1, 2) et/ou en fonction de la force de pression qui doit être générée.
  4. Procédé d'entraînement selon la revendication 2 ou 3, caractérisé en ce que la valeur de consigne de force ou de moment pour l'entraînement esclave (7), en particulier pour le réglage de son courant d'entraînement (IRegler), est prédéterminée en tant que valeur de commande ou valeur de guidage dans le contexte d'une chaîne de commande ou en tant que valeur de consigne dans le contexte d'un circuit de régulation.
  5. Procédé d'entraînement selon la revendication 4, caractérisé en ce que la valeur de force ou de moment est liée à ou influencée par une force additionnelle ou un couple additionnel, cette valeur étant obtenue en pondérant une valeur de position ou de vitesse de rotation de l'entraînement maître du premier moyen de formage (1) avec une ligne caractéristique (11) prédéterminée pour la compensation des pertes de friction ou autres pertes.
  6. Procédé d'entraînement selon l'une quelconque des revendications 2 à 5, caractérisé en ce que l'entraînement esclave (7) est actionné en régulation de force ou de couple avec la valeur de consigne de force ou de couple en tant que variable de commande, dans lequel la valeur de force ou de couple est soumise à une comparaison (14) avec la valeur réelle de force ou de couple (15) mesurée sur au moins l'un des moyens de formage (1, 2).
  7. Procédé d'entraînement selon la revendication 6, caractérisé en ce qu'une différence de régulation résultant de la comparaison est mise en forme en utilisant un régulateur PI (16) et appliquée à une commande pilote (17) avec la valeur de consigne de force ou de couple.
  8. Procédé d'entraînement selon la revendication 2, caractérisé en ce que l'entraînement esclave (7) est actionné en régulation de vitesse de rotation et/ou de position angulaire avec une limite dynamique et/ou une limite de couple qui est dépendante de ou influencée par la valeur de position maître (8) et/ou par la valeur de consigne de force ou de couple.
  9. Procédé d'entraînement selon la revendication 8, caractérisé en ce que la valeur de consigne de vitesse de rotation et/ou de position pour l'entraînement esclave (7) est générée en tant que fonction d'un signe algébrique ou d'une direction de la valeur de consigne de la force ou du couple, de telle sorte que la valeur de consigne de vitesse de rotation et/ou de position angulaire (nSoll, ϕSoll) pour la commande esclave (7) est plus grande ou plus petite que la valeur de consigne de vitesse de rotation et/ou que la valeur de consigne de position angulaire pour l'entraînement maître.
  10. Procédé d'entraînement selon l'une des revendications 8 ou 9, caractérisé en ce que pour la commande esclave (7) on utilise un régulateur, en particulier un régulateur de vitesse de croisière (nRegler), avec un composant intégré, qui met le régulateur dans sa limite de couple.
  11. Procédé d'entraînement selon l'une quelconque des revendications précédentes, caractérisé en ce que, lorsque les moyens de formage (1, 2) sont amenés en engagement, la commande maître et/ou la commande esclave (7) sont exploitées alternativement en mode générateur et en mode moteur, en fonction de leur position, éventuellement en étant complémentaires l'une de l'autre.
  12. Procédé d'entraînement selon la revendication 1 et éventuellement l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de formage (1, 2) sont pressés l'un contre l'autre, éventuellement avec le matériau en bande (3) entre eux, pour réaliser la force de pression, dans lequel le ou les entraînements sont conçus et/ou utilisés de façon que l'entraînement maître réalise toujours n'importe lequel de ses éventuels paramètres de position angulaire, de vitesse et/ou de force quelle que soit la contrainte sur les moyens de formage (1, 2).
  13. Procédé d'entraînement selon l'une quelconque des revendications précédentes, caractérisé par l'utilisation d'entraînements ayant la même capacité maximale de puissance, de force et/ou couple, dans lequel la capacité de puissance maximale, de force et/ou de couple maximal de l'entraînement esclave (7) est limitée et/ou non complètement annulée en termes de technologie de commande par rapport à celle de l'entraînement maître.
  14. Mécanisme d'entraînement en particulier pour la mise en oeuvre du procédé selon l'une quelconque des revendications précédentes, ayant deux moyens de formage (1, 2) qui peuvent être amenés en engagement en force et/ou en forme l'un avec l'autre et sont arrangés de telle sorte qu'un matériau en bande (3) à traiter peut trouver place entre eux, dans lequel les moyens de formage (1, 2) sont chacun couplés à un servomoteur (7) électrique respectif ou à un quelconque autre moyen d'entraînement électrique, lequel peut être piloté et coordonné par une unité de commande (10), et l'unité de commande (10) est équipée et conçue dans ses circuits ou logiciels pour activer les moyens d'entraînement électrique pour appliquer des forces de tension sur les moyens de formage (1, 2) l'un vers l'autre, caractérisé en ce que les moyens d'entraînement électrique sont configurés sous forme d'un moyen d'entraînement maître et d'un moyen d'entraînement esclave guidé par le moyen d'entraînement maître, et pour cela l'unité de commande comprend une source (8) pour une valeur de position maître et un élément à ligne caractéristique (9) linéaire ou non linéaire qui lui est connecté pour convertir la valeur de position maître en une valeur de consigne de couple qui est fournie à un moyen de commande du moyen d'entraînement esclave (7) pour son traitement et son exécution.
  15. Mécanisme d'entraînement selon la revendication 14, caractérisé en ce que l'élément à ligne caractéristique (9) est conçu avec une courbe fonctionnelle et/ou une table de correspondance et/ou sous forme d'une came électronique, qui correspond à un profil de formage ou une quelconque autre géométrie ou topographie du moyen de formage (1, 2).
  16. Mécanisme d'entraînement selon l'une des revendications 14 ou 15, caractérisé en ce que l'unité de commande (10) comprend un élément additionneur (13) qui est en amont du ou des moyens de commande et qui est connecté à la sortie de l'élément à ligne caractéristique (9) de valeur de consigne de couple et à la sortie d'un autre élément à ligne caractéristique (11) de couple qui sert de préférence à compenser les pertes de friction entre les moyens de formage (1, 2).
  17. Mécanisme d'entraînement selon l'une quelconque des revendications 14 à 16, caractérisé en ce que l'unité de commande (10) comprend un élément régulateur (16) et un comparateur (14) de valeur réelle/valeur de consigne en amont de son entrée, lequel comparateur est connecté sur son entrée à l'élément à ligne caractéristique (9) de valeur de consigne de couple et à une source (15) de valeur réelle de couple, et la sortie de l'élément régulateur est connectée au moyen de commande du moyen d'entraînement esclave (7).
  18. Mécanisme d'entraînement selon l'une quelconque des revendications 14 à 17, caractérisé en ce que l'unité de commande (10) comprend un détecteur de direction (DD), en aval de l'élément à ligne caractéristique (9) de valeur de consigne de couple, et un générateur de valeur de consigne (SWG) pour la position et/ou la vitesse du moyen entraînement esclave (7), qui est connecté selon son entrée à la source (8) de valeur de position maître et à la sortie du détecteur de direction et qui est conçu ou ajusté pour générer pour le moyen d'entraînement esclave (7) une valeur de consigne de vitesse et/ou de position, laquelle est ou respectivement lesquelles sont plus grande(s) ou plus petite(s) que celle ou respectivement celles du moyen d'entraînement maître.
EP12801495.8A 2012-11-26 2012-11-26 Système d'entraînement destiné au façonnage d'une bande de matériau Not-in-force EP2922695B1 (fr)

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Publication number Priority date Publication date Assignee Title
US4202719A (en) * 1978-04-10 1980-05-13 Molins Machine Company, Inc. Single facer drive
DE19535602A1 (de) 1995-09-25 1997-03-27 Hering Gerhard K Verfahren und Vorrichtung zur Herstellung von Wabenmaterial
DE102005052691B3 (de) 2005-10-28 2007-03-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur Herstellung einer Wabenstruktur

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WO2014079513A1 (fr) 2014-05-30
US20150367591A1 (en) 2015-12-24

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