EP2119818A1 - Aiguilleteuse et procédé de fonctionnement d'une aiguilleteuse - Google Patents

Aiguilleteuse et procédé de fonctionnement d'une aiguilleteuse Download PDF

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Publication number
EP2119818A1
EP2119818A1 EP09159406A EP09159406A EP2119818A1 EP 2119818 A1 EP2119818 A1 EP 2119818A1 EP 09159406 A EP09159406 A EP 09159406A EP 09159406 A EP09159406 A EP 09159406A EP 2119818 A1 EP2119818 A1 EP 2119818A1
Authority
EP
European Patent Office
Prior art keywords
frame
frame parts
needle
counterweight
vibration
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Withdrawn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
EP09159406A
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German (de)
English (en)
Inventor
Tilman Reutter
Andreas Plump
Andreas Mayer
Daniel Bu
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
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 Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP2119818A1 publication Critical patent/EP2119818A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/02—Needling machines with needles

Definitions

  • the invention relates to a needle machine for needling a fiber web according to the preamble of claim 1 and a method for operating such a needle machine according to the preamble of claim 12.
  • a generic needle machine is for example from the DE 197 30 532 A1 known.
  • the individual modules for guiding a fiber web and for needling the fiber web are arranged in a multi-part machine frame.
  • the modules in the machine frame are arranged in a multi-part machine frame.
  • at least one of the assemblies on an oscillating driven needle bar which holds a plurality of needles on an underside and is driven to oscillate at high speed.
  • the assemblies are held in the known needle machine by an upper carrier and a sub-carrier, which are arranged by a plurality of support beams to a distance.
  • a pad for guiding and receiving the fiber web to be needled and a cooperating with the pad needle bar is arranged, which is connected via a plurality of connecting rods with a crank drive.
  • the dynamic forces which usually occur periodically with the puncturing movement of the needle bar, compensate by a plurality of the crank mechanisms associated with balancing masses.
  • a needle machine is for example from the DE 199 10 945 A1 known.
  • balancing weights are attached to the crankshaft, which lie opposite the eccentric areas of the crankshaft.
  • these balancing weights only act directly as mass balance on the crankshaft.
  • the dynamic forces occurring periodically with the puncturing movement can therefore not be compensated by balancing masses.
  • Another object of the invention is to provide a generic needle machine as possible in a lightweight construction, in which the machine frame is changeable as a vibration system.
  • the invention is characterized in that the vibration system formed by the frame parts of the machine frame and the assemblies held therein is actively changeable. This makes it possible in particular to carry out critical rotational speed ranges and the critical operating frequencies associated therewith, without resulting in resonance phenomena.
  • a separate vibration actuator is provided, which acts on one of the frame parts to change the frame vibrations of the frame parts during operation.
  • counter-excitations can be initiated in at least one of the frame parts, which counteracts the oscillation excitation from the operation of the assemblies.
  • the vibration actuator is controlled by a control device and in which the control device is coupled to a vibration sensor, which for detecting the Frame vibrations associated with one of the frame parts, the particular advantage that only in case of need an active change of the vibration system of the machine frame is initiated by the vibration actuator.
  • the oscillation actuator can be activated so that excitation in the region of the natural frequency of the machine frame is avoided by the counter-excitation.
  • the vibration actuator can be activated and deactivated depending on the operating frequency.
  • the motion quantities such as travel, speed or acceleration are measured which, given ideal behavior, show a different frequency dependence.
  • the acceleration is detected directly or indirectly by a force measurement.
  • the temporal course of the frame vibrations can be determined in order to initiate targeted forces for suppressing the vibrations.
  • vibration actuators it is possible to use all known means which have a controllable actuator and which, by activating the actuator, enables a detuning of the vibration system formed by the machine frame.
  • the vibration actuator is formed by at least one force transmitter, which is arranged within one of the frame parts or between a plurality of frame parts to produce a compressive force and / or a tensile force.
  • the force transmitter can be used both dynamically and statically to influence the vibration system. In dynamic mode of operation alternately a pressure and a pulling force on the force generator generated so that a counter-excitation is generated within the frame part.
  • a tensile or compressive force is generated to create tension within one of the frame members or between multiple frame members.
  • This can be the rigidity of the machine frame influence to change the natural frequency.
  • force transmitters are particularly flexible as vibration actuators.
  • piezoelectric actuators piezo stacks
  • hydraulic and pneumatic piston-cylinder units can be used as force transmitters.
  • the vibration actuator is formed by at least one mass oscillator.
  • the mass oscillator in this case acts on one of the frame parts in order to generate a vibration excitation acting on the frame parts.
  • the mass oscillator has a movable countermass and a drive means acting on the counterweight, the drive means oscillating the counterweight in a reciprocating motion drives.
  • the movement of the counterweight both in frequency and in their amplitude can be adapted to the respective operating conditions.
  • the mass oscillator with a passively guided countermass.
  • the movable counterweight is supported by a spring relative to the frame part.
  • the counter-excitation by the movement of the counterweight is in this case generated directly by the frame vibrations of the frame parts.
  • the mass oscillator is designed with a blocking agent acting on the counterweight.
  • the effectiveness of the counter-excitation by the vibration actuator to avoid resonance phenomena is particularly effective in the event that the vibration actuator is arranged on the frame part on which the assembly is held with the needle bar.
  • the counter-excitation is generated directly to each frame part on which the excitation from the assembly out.
  • the frame parts of the machine frame are preferably assembled into a machine frame.
  • the frame parts are preferably formed by a sub-carrier, an upper carrier and a plurality of support beams, wherein the support beams hold the upper carrier with a distance above the sub-carrier and are arranged on two opposite support ends of the upper carrier.
  • the inventive method for operating such a needle machine is particularly advantageous to safely control critical operating conditions within the needle machine.
  • defined vibration excitations can be generated by the vibration actuator, which counteracts the frame vibrations of the machine frames caused by the operating frequencies.
  • the frame vibrations are measured at least on one of the frame parts, so that the vibration actuator is controlled as a function of the respective measured values of the frame vibrations.
  • the acceleration of the frame vibrations is preferably measured by means of acceleration sensors. This allows the temporal course of the frame vibrations as well as critical frequencies of the vibrations to be determined.
  • This method variant can be further improved by comparing a frequency of the frame oscillations with at least one natural frequency of the frame parts and that the oscillation actuator is controlled as a function of a difference value between the frequency of the frame vibrations and the natural frequency of the frame parts.
  • This targeted resonance phenomena can be avoided in the machine frame. Critical speed ranges when guiding the needle bar can thus be passed through without resonance.
  • the vibration system of the machine frame can be influenced.
  • the vibration actuator as a force transmitter within one of the frame parts or between a plurality of frame parts generate a compressive force and / or a tensile force.
  • the vibration actuator generates as a mass oscillator on one of the frame parts an acting on the frame parts vibration excitation.
  • the vibration excitation can be generated both by an actively guided counterweight of the mass oscillator and by a passively guided mass of the mass oscillator.
  • the invention can be used in principle for all needle machines. Particularly great advantages result with wide machines, high stroke frequencies and unfavorable process parameters, which lead to high-frequency needle penetration forces.
  • relatively lightweight and low-stiffness machine frames can be realized, which are also suitable for higher production speeds by actively influencing the vibration system.
  • Fig. 1 a first embodiment of the needle machine according to the invention is shown in several views.
  • Fig. 1 is the needle machine in a front view and in Fig. 2 shown in a side view.
  • the following description applies to both figures, insofar as no explicit reference is made to one of the figures.
  • the needle machine has a machine frame 1, which is designed in the shape of a frame to accommodate a plurality of assemblies for guiding and needling a fiber web.
  • the machine frame 1 is for this purpose formed of a plurality of frame parts.
  • the frame part which is arranged in the upper region of the needle machine is formed by a top carrier 2 which extends like a bar between two support ends ( Fig. 1 ).
  • a further frame part is provided at a distance, which forms the bottom of a needle machine as a parallel aligned sub-carrier 3.
  • the sub-carrier 3 extends parallel to the upper carrier 2.
  • Between the upper carrier 2 and the sub-carrier 3 are more frame parts arranged as a support beam 4.1 and 4.2.
  • the upper carrier 2, the sub-carrier 3 and the support beams 4.1 and 4.2 together form the frame-shaped machine frame. 1
  • an assembly 5.2 which has a bed plate 9 which is held on the sub-carrier 3 via a holder 10.
  • the bed plate 9 serves to receive a fibrous web, which is continuously fed to the bed plate 9 via supply means (not shown here).
  • One of the bed plate 9 associated conveyor is also held by the machine frame 1.
  • the assembly 5.1 is shown having a bed plate 9 associated with the needle bar 6.
  • the needle bar 6 extends over the entire working width of a fibrous web.
  • the needle bar 6 is connected via a plurality of connecting rods 11 with at least one crank drive 7 and is held by the upper carrier 2.
  • a needle board with a plurality of needles is attached (not shown here), so that in an oscillating up and down movement of the needle bar 6, the needles penetrate the nonwoven fabric on the bed plate 9.
  • the needle bar 6 is shown in this example as a double bar, such double bars are usually held by a beam support.
  • the machine frame 1 is assigned a vibration actuator 12.
  • the vibration actuator 12 is formed by a plurality of force transmitters 13.1 to 13.4.
  • the force transmitter 13.1 to 13.4 are assigned to the support beams 4.1 and 4.2.
  • the force transmitter 13.1 to 13.4 are connected to a control device 17.
  • the control device 17 is associated with a vibration sensor 19, which is arranged on the upper support 2 of the machine frame 1.
  • the vibration sensor 19, for example, a piezoelectric accelerometer is preferably arranged in the central region of the machine, where the swing amplitude are greatest.
  • the control device 17 has a microprocessor 18, by means of which a measured value evaluation as well as the generation of control commands and output signals for activation or deactivation of the force transmitters 13.1 to 13.4 takes place.
  • the support beams 4.1 and 4.2 are formed in two parts, wherein the parts of the support beams 4.1 and 4.2 respectively associated with the support ends of the frame parts 2 and 3.
  • Each of the frame parts of the support beams 4.1 and 4.2 is assigned in each case one of the force transmitter 13.1 to 13.4.
  • a total of four force transmitters are provided to initiate a symmetrical tensile and compressive load in the support beams 4.1 and 4.2, whose forces are introduced directly into the upper beam 2 and sub-carrier 3.
  • the force transmitter 13.1 and 13.3 the support beam 4.1 and the force transmitter 13.2 and 13.4 assigned to the support beam 4.2.
  • the force transmitter 13.4 is not shown.
  • the machine frame 1 is supported against a hall floor by a plurality of support means 23.
  • the support means 23 are elastically formed as a vibration damper and arranged on the underside of the sub-carrier 3.
  • the needle bar 6 is guided by the crank drives 7 in an oscillating up and down movement during operation during needling a fiber web.
  • an excitation of the frame vibrations by unbalanced mass forces higher order and by the Nadeleinstich alloy.
  • the Nadeleinstich alloy act gegentechnisch on the upper carrier 2 and the sub-carrier 3. Parallel effect between the upper carrier 2 and the sub-carrier 3, the force transmitter 13.1 to 13.4. About the force transmitter 13.1 to 13.4 now equal forces are initiated on the upper carrier 2 and the sub-carrier 3.
  • the magnitude of the opposing force generated by the force generator and the time course of the occurrence of the opposing force can be selected so that they initiate a constant line load on the upper beam 2, together with the Nadeleinstich necessarilyn the needle bar.
  • the forces acting on the upper carrier 2 Nadeleinstich thus no longer lead to a bending, but the up and down movement of the needle bar is received as a rigid body, so that excitation of it is upper carrier 2 excluded in its resonance frequency.
  • the forces introduced into the sub-carriers 3 via the force transmitters 13.1 to 13.2 likewise lead to a vibration excitation, which, however, is absorbed directly by the supporting elements 23. Due to the relatively large masses of the frame parts 2 and 3, only small movement amplitudes occur, but the occurring movement is the same size over the entire machine width.
  • a Control circuit can be constructed, which can suppress the frame vibrations of the machine frame 1 for any suggestions.
  • the tension / compression force can be changed in terms of their time occurrence and their size on the force transmitter 13.1 to 13.4.
  • Fig. 1 and 2 illustrated embodiment of the needle machine according to the invention can alternatively also operate such that on the force transmitter 13.1 to 13.4 a constant compressive or tensile force is initiated, so that the upper carrier 2 and the sub-carrier 3 are braced against each other. It is understood that the support beams between the upper and lower beams are connected to each other, so that larger actuator forces can be generated.
  • the force transmitter 13.1 to 13.4 can be produced in the machine frame, a high compressive residual stress.
  • the tensile stresses acting on the machine frame 1 in particular in the connection point between the upper support 2 and the support beam 4.1, can be counteracted by the mass and process forces, so that a swelling load prevails in the operating state in the area of the compressive stress.
  • the strengths of the materials of the machine frame can be optimally utilized. Tensile loads in the joints within the machine frame are avoided, resulting in a significant life extension.
  • the rigidity of the machine frame 1 is influenced by generating tensile and compressive stresses, as the machine frame as a whole has a higher natural frequency. This also advantageous resonance phenomena in the operation of the needle machine can be avoided.
  • Fig. 3 a further embodiment of a needle machine according to the invention is shown schematically in a front view.
  • the embodiment according to Fig. 3 is essentially identical to the embodiment according to Fig. 1 and 2 , so that reference is made to the above description and only the differences will be explained at this point.
  • a mass oscillator 14 is arranged on an upper side of the upper carrier 2.
  • the mass oscillator 14 is formed in this embodiment by a movable counterweight 15 and a counterweight 15 associated drive means 16.
  • the counterweight 15 is reciprocated by the drive means 16 oscillating in the vertical direction and forth.
  • drive means 16 for example, hydraulic cylinders, electric linear drives or piezo stacks can be used.
  • the drive means 16 is connected to a control device 17.
  • the control device 17 is coupled to a vibration sensor 19, which is arranged on the upper carrier 2.
  • a microprocessor 18 is provided for measured value evaluation.
  • the drive means 16 is activated via the control device 17 and guides the counterweights 15 in an oscillating up and down movement. In this case, a counter force is generated, which is introduced directly into the upper carrier 2 of the machine frame 1.
  • the size of the counterweight 15 and the drive frequency and the drive amplitude of the counterweight 15 are selected such that counteracts an appropriate counterforce to acting on the upper carrier 2 periodic Nadeleinstich mechanism and inertial forces and thus in particular excitation in the natural frequency of the upper carrier 2 is prevented.
  • the frame vibration at the Oberarri 2 measured by the sensor 19 in particular the acceleration of the vibration and fed to the control device 17.
  • a measured value evaluation in particular a frequency determination and comparison with stored natural frequencies is carried out via the microprocessor 18, so that an activation or deactivation of the drive means 16 for generating a counter-excitation can take place.
  • the vibration sensor 19 can be detected in addition to the acceleration and the time course of the frame vibration, so that on the drive means 16 settings of the frequency and the amplitude for moving the counterweight 15 is possible. This can suppress any suggestions from the assembly 5.1 in the machine frame 1.
  • each of the previously shown embodiments or subsequent embodiments may simultaneously comprise a plurality of vibration actuators. That's how it works in Fig. 3 illustrated embodiment also run with multiple parallel mass oscillators. Thus, relatively large opposing forces can be generated by the majority of mass oscillators with relatively small countermeasures.
  • the vibration actuators or the mass oscillators would advantageously be controlled synchronously.
  • Fig. 4 a further embodiment of a needle machine according to the invention is shown schematically in a front view.
  • the embodiment according to Fig. 4 is essentially identical to the embodiment according to Fig. 1 and 2 , so that reference is made to the above description and only the differences will be explained at this point.
  • a mass oscillator 14 which, however, has a passively guided countermass.
  • the mass oscillator 14 is arranged on the upper side of the upper carrier 2.
  • the mass oscillator 14 has in this embodiment, a guide block 21, in which a movable counterweight 15 is guided vertically.
  • the counterweight 15 is associated with a spring 20, through which the counterweight 15 is supported relative to the guide block 16 and thus relative to the upper carrier 2.
  • a blocking means 22 is held, which acts on the movable counterweight 12.
  • the blocking means 22 can be controlled via the control device 17, wherein in the activated state the blocking means 20 fixes the counterweight 15 in the guide block 21. In the deactivated state of the blocking means 22, the counterweight 15 is released into the guide block 21.
  • the control device 17 is connected to a vibration sensor 19, which is arranged to measure the frame vibrations on the upper support 2, in particular at the location of the greatest vibration.
  • a microprocessor is provided to perform a measured value evaluation.
  • the measured values can be adjusted with given natural frequencies of the machine frame in order to activate the mass oscillator 14 before reaching critical operating states.
  • the counterweight 15 is coupled via the spring 20 on the upper carrier 2. In extreme cases, this means that the excitation generated via the assembly 5.1 to the upper carrier 2 can be completely eliminated by the counter-excitation of the mass oscillator 14, so that the upper carrier 2 does not perform any frame vibrations.
  • the amplitude of the countermovement of the counterweight 15 is so great that the spring force of the spring 20 corresponds to the exciting dynamic force resulting from the assembly 5.1 and the resulting force on the upper carrier 2 disappears.
  • the movement of Counterweight 15 is dependent on spring force and on the frame vibrations of the machine frame 1 and not actively changed.
  • the mass oscillator 14 is activated in this case depending on the measured frame vibration or the working frequency by releasing the blocking of the counterweight or deactivated by blocking the counterweight.
  • the natural frequencies resulting from the overall system consisting of frame part 2 and mass oscillator 14 remain without any effect.
  • the mass oscillator 14 is activated only in critical operating conditions.
  • FIG. 5 an embodiment of a frame part of the machine frame is shown on the needle machine, which advantageously as the upper carrier, for example in the embodiment according to Fig. 1 could be used.
  • This in Fig. 5 shown frame part 2 is shown schematically in a plan view.
  • the frame part 2 is designed as a box profile 24, which have on the longitudinal sides of the machine, the side members 25.1 and 25.2.
  • a vibration actuator 12 is integrated, which consists of a plurality of force generators.
  • the force transmitter 13.1 are integrated into several at a distance in the longitudinal member 25.1.
  • the force transmitter 13.2 are integrated into several in the opposite side member 25.2.
  • Each of the force transmitters 13.1 and 13.2 is controlled via a control device 17 in order to introduce pressure or tensile forces in the respective side members 25.1 and 25.2.
  • a periodic control of the force transmitter each of the longitudinal members 25.1 and 25.2 to stimulate counter-vibrations.
  • piezoelectric elements for example in the form of piezo stacks, are particularly suitable as force transmitters. These are preferably biased to pressure to generate periodic compressive forces.
  • This in Fig. 5 illustrated embodiment can alternatively be used to obtain by static compressive or tensile forces a strain in the frame part 2 to increase the rigidity.
  • the force transmitters can be activated shortly before reaching a critical operating state via the control device 17 in order to generate a tension in the frame part 2.
  • This increases the rigidity of the frame part 2, so that at the same time the range of the resonance frequency is shifted.
  • the critical operating state can thus be passed through without major frame vibrations in the frame part 2.
  • Illustrated embodiments is assigned for active vibration control of the machine frame 1 of the needle machine by way of example a vibration actuator as a force transmitter or as a mass oscillator.
  • a vibration actuator as a force transmitter or as a mass oscillator.
  • other vibration actuators can also be used which can controllably change into the vibration system of the machine frame.
  • several vibration actuators can also advantageously be arranged simultaneously on one or more frame parts of the machine frame. In this case, the vibration actuators are preferably operated synchronously.
  • the arrangement of the modules, in particular the assembly with the needle bar within the machine frame is exemplary.
  • the assembly 5.1 can also be advantageously arranged in a sub-carrier.
  • the vibration actuators shown can also be used advantageously in needle machines in which an oscillatingly driven needle bar is guided both on the upper carrier and an oscillatingly driven second needle bar on the lower carrier.
  • the arrangement and position of the vibration sensors in the exemplary embodiments is exemplary.
  • the vibration sensors are usually arranged in areas of the machines in which the vibration amplitudes are greatest. In the embodiments shown, these areas are likely to be in the middle of the machine.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
EP09159406A 2008-05-13 2009-05-05 Aiguilleteuse et procédé de fonctionnement d'une aiguilleteuse Withdrawn EP2119818A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008023343 2008-05-13

Publications (1)

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EP2119818A1 true EP2119818A1 (fr) 2009-11-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015119470A1 (de) * 2015-11-11 2017-05-11 Autefa Solutions Germany Gmbh Flor-Verfestigungsvorrichtung zum Verfestigen von Flor und Steuerungseinrichtung und Verfahren zum Betrieb von Antriebseinrichtungen der Flor-Verfestigungsvorrichtung
DE102016106292B3 (de) * 2016-04-06 2017-10-19 Johann Borgers GmbH Verfahren zur zustandsorientierten Instandhaltung einer Nadelmaschine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219990A1 (fr) * 1973-03-02 1974-09-27 Fehrer Textilmasch
GB2288824A (en) * 1994-04-28 1995-11-01 Fehrer Textilmasch Apparatus for needling a nonwoven web
DE19730532A1 (de) 1997-07-16 1999-01-21 Dilo Kg Maschf Oskar Nadelmaschine
DE19910945A1 (de) 1998-03-31 1999-10-07 Fehrer Textilmasch Vorrichtung zum Nadeln eines Vlieses
EP1736586A1 (fr) * 2005-06-22 2006-12-27 Asselin-Thibeau Procédé et installation pour aiguilleter une nappe de fibres mettant en oeuvre deux planches à aiguilles
EP1811072A1 (fr) * 2006-01-20 2007-07-25 Asselin-Thibeau Procédé et moyens pour le contrôle du fonctionnement d'une aiguilleteuse
EP1860221A2 (fr) * 2006-05-24 2007-11-28 Asselin-Thibeau Aiguilleteuse dont la frequence d'au moins un mode propre de vibration est reglable

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219990A1 (fr) * 1973-03-02 1974-09-27 Fehrer Textilmasch
GB2288824A (en) * 1994-04-28 1995-11-01 Fehrer Textilmasch Apparatus for needling a nonwoven web
DE19730532A1 (de) 1997-07-16 1999-01-21 Dilo Kg Maschf Oskar Nadelmaschine
DE19910945A1 (de) 1998-03-31 1999-10-07 Fehrer Textilmasch Vorrichtung zum Nadeln eines Vlieses
EP1736586A1 (fr) * 2005-06-22 2006-12-27 Asselin-Thibeau Procédé et installation pour aiguilleter une nappe de fibres mettant en oeuvre deux planches à aiguilles
EP1811072A1 (fr) * 2006-01-20 2007-07-25 Asselin-Thibeau Procédé et moyens pour le contrôle du fonctionnement d'une aiguilleteuse
EP1860221A2 (fr) * 2006-05-24 2007-11-28 Asselin-Thibeau Aiguilleteuse dont la frequence d'au moins un mode propre de vibration est reglable

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015119470A1 (de) * 2015-11-11 2017-05-11 Autefa Solutions Germany Gmbh Flor-Verfestigungsvorrichtung zum Verfestigen von Flor und Steuerungseinrichtung und Verfahren zum Betrieb von Antriebseinrichtungen der Flor-Verfestigungsvorrichtung
WO2017081241A1 (fr) 2015-11-11 2017-05-18 Autefa Solutions Germany Gmbh Dispositif de consolidation de voile pour la consolidation d'un voile et dispositif de commande et procédé de fonctionnement de dispositifs d'entraînement du dispositif de consolidation de voile
CN108350637A (zh) * 2015-11-11 2018-07-31 奥特发德国科技有限公司 用于固结纱的纱固结装置和用于运行纱固结装置的驱动装置的控制装置和方法
US11091862B2 (en) 2015-11-11 2021-08-17 Autefa Solutions Germany Gmbh Formed-fabric-strengthening device for strengthening formed fabric and control device and process for operating drive devices of the formed-fabric-strengthening device
CN108350637B (zh) * 2015-11-11 2021-12-14 奥特发德国科技有限公司 用于固结纱的纱固结装置和用于运行纱固结装置的驱动装置的控制装置和方法
DE102016106292B3 (de) * 2016-04-06 2017-10-19 Johann Borgers GmbH Verfahren zur zustandsorientierten Instandhaltung einer Nadelmaschine

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