EP1948855A2 - Metier a filer a anneaux pourvu de systemes d'etirage - Google Patents

Metier a filer a anneaux pourvu de systemes d'etirage

Info

Publication number
EP1948855A2
EP1948855A2 EP06818513A EP06818513A EP1948855A2 EP 1948855 A2 EP1948855 A2 EP 1948855A2 EP 06818513 A EP06818513 A EP 06818513A EP 06818513 A EP06818513 A EP 06818513A EP 1948855 A2 EP1948855 A2 EP 1948855A2
Authority
EP
European Patent Office
Prior art keywords
draw
drafting
roller
ring spinning
auxiliary drive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06818513A
Other languages
German (de)
English (en)
Other versions
EP1948855B1 (fr
Inventor
Peter Mann
Hermann Güttler
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.)
Saurer Spinning Solutions 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
Priority claimed from DE200510054818 external-priority patent/DE102005054818A1/de
Priority claimed from DE200510054826 external-priority patent/DE102005054826B4/de
Priority claimed from DE200510054817 external-priority patent/DE102005054817A1/de
Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Publication of EP1948855A2 publication Critical patent/EP1948855A2/fr
Application granted granted Critical
Publication of EP1948855B1 publication Critical patent/EP1948855B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/22—Driving or stopping arrangements for rollers of drafting machines; Roller speed control

Definitions

  • the invention relates to a ring spinning machine with drafting systems which have a plurality of draw rolls.
  • Draft gearbox main gear is made approximately in a change of the yarn number according to the auxiliary gear. This not only represents additional work, but also a dangerous source of error, which can lead to damage to the drafting system, if this Change is not carried out in the same direction and if not fuses are installed against this.
  • Drawframe main drive device by which the drafting rollers the distortion-oriented speeds is pressed, and optionally associated with a plurality of distributed over the length of the drafting rollers stretch roller auxiliary drive devices, the inclination of the drafting rollers is counteracted to the twist over its entire length.
  • the drives of the draw roller auxiliary drive devices need not exert the drives of the drafting device main drive devices corresponding speeds on the draw rolls, which greatly simplifies their embodiment and their application of electrical energy.
  • a preferred embodiment provides that the drafting of a short basic ring spinning machine, in which no torsion still occurs in the drafting system, is provided with a drafting device main drive device, which covers the torque requirement of this drafting system. At each ring spinning machine, which has a greater length than the base ring spinning machine, the additional torque requirement for speed-accurate drive of the drafting rollers is covered by a corresponding number of draw roller auxiliary drive devices.
  • the narrow design of the draw roller auxiliary drive devices or their transfer organs on the draw rolls allows them to be attacked between the jobs on the draw rolls, without the pitch of the jobs of the ring spinning machine would have to be increased or jobs would have to be eliminated.
  • This also opens up the possibility of setting the draw roller auxiliary drive devices anywhere along the draw rolls and in any number and to introduce additional torque into the draw rolls and to reduce their torsion.
  • the drive motors of the drafting roller auxiliary drive devices can be designed as rotary field magnets, as speed-controlled or speed-controlled asynchronous motors or as synchronous motors or reluctance motors.
  • rotary field magnets and variable-speed asynchronous motors offer the advantage that in many cases they do not require a function-dependent change in the application of feed energy.
  • draw roller auxiliary drive devices can be easily inserted at any points in a drafting, they can be provided in any and each draw roll in different numbers. They can be equipped with low power, which accommodates their narrow design.
  • the gearboxes of the drafting roller auxiliary drive devices can be designed to be identical for all drafting rollers.
  • the speeds of the input roller and the output roller are usually very different, it may be advantageous, vorzuhalten at least for these two drafting rollers stretch roller Hilfsantriebs- devices with gearbox with different reduction ratios.
  • the center roll which has to move the straps, which has to overcome high resistances when sliding over the deflection edges of the Riemchenkafige, equipped with stretch roller auxiliary drive devices.
  • the intention is to run the draw roller auxiliary drive devices on the arrival and departure of the drafting system drive speed up and down run. This avoids distortion errors during start-up and at the outlet of the drafting system.
  • the drafting rollers are not driven by a gear train, but by separate, exactly speed-controlled (synchronous) motors, have a power supply device that feed these motors with the appropriate frequencies.
  • the drive motors of the draw roller auxiliary drive devices are subjected to frequencies corresponding to or derived from the frequencies of the associated draw roller motors. Since in this case the exact, causing the delays speeds of the drafting rollers are determined by the synchronous drive motors of the drafting rollers, is sufficient in most cases the use of Asynchronous motors on the draw roller auxiliary drive devices to reduce their torsion by introducing torque sufficiently.
  • draw roller auxiliary drive devices may also be equipped with synchronous or reluctance motors.
  • the draft roller and the center roller are driven by separate synchronous motors on drafting systems, while the input roller is driven by gear translation of the center roller, since the bias between input roller and center roller is rarely changed.
  • the drive motors of the draw roller auxiliary drive devices of the output and the center roller could be acted upon by frequencies derived from the (master) frequencies of the master motor of the center roller.
  • Tension roller can be adjusted: it can be temporarily increased when starting a machine or higher at higher speeds.
  • draw roller auxiliary drive devices can be easily inserted at any points and / or in any number in a drafting system, they can be equipped with low power, which accommodates their narrow design. They can also be carried out uniformly - with higher torque requirement, they can in larger
  • a draw roller auxiliary drive device is thus preferably arranged between the second and third riffelfeld lying to the right or left of a punch.
  • the drafting roller auxiliary drive devices must be mounted so as to receive the reaction momentum of the transmitted energy.
  • they are therefore fastened to the punches or the roller bearing carriage assigned to the punches. As a result, it is unnecessary that they must be readjusted when changing the roll distance.
  • the possible plurality of drafting roller auxiliary drive devices along the drafting rollers can also reduce the diameters of the drafting rollers, if desirable, without the risk of increased torsion with the adverse consequences thereof.
  • draw roller auxiliary drive devices have transfer members between a drive member and a draw roller, they may be housed in a closed housing for protection against runoff of the draw roller auxiliary drive devices and contamination of the machined material.
  • the stretch roller auxiliary drive devices may be used as drive motors in the form of synchronous motors, which may also be designed as reluctance motors, or of variable speed asynchronous motors.
  • maximizing the axial length of both stator and rotor means that both components fully occupy the clearance between two adjacent corrugated fields by omitting bearings on either side of the stator and rotor, or by doing so train as narrow as possible. This is possible because the rotor is mounted on the draw roller and between stand and rotor no unilaterally radially directed forces occur.
  • Minimizing the outside diameter of the stand implies that it takes full advantage of the smallest pitch available for adjacent draw rolls. This is possible because the diameter of the draw roll roller carrying the draw roll motor is reduced in the region in which the runner is mounted on it. As a result, not only the electromotive components can be moved further inward, but also those of the stator. Since the inclination of the drafting roller for torsion by the stretched roller motors used is avoided or reduced.
  • the drafting rollers in drafting systems have an extremely low impact for textile technology reasons. Out-of-roundness in the course of the drafting rollers would lead to periodic distortion errors and impair the quality of the yarn produced until it is useless. The straightening of the draw rolls to exact concentricity without impact represents a separate operation in their production.
  • one of the draw roll sections may comprise a cylindrical stud on which the runner may be secured. When a thread connects to this pin with which the draw roll section can be screwed into the subsequent draw roll section, the runner is clamped on this pin.
  • the stator of the drafting roller motor preferably has no bearings. It is attached to a fixed component, which is a carrier of the drafting equipment, a carrier the carrying and loading arms or a strap-turning rail can act. It is preferably a component which contains a bearing of the draw roll to which the draw roll motor is assigned.
  • the stand can be arranged on a punch of the drafting system or on a roller carriage of one of the output roller upstream drafting rollers.
  • stator and rotor require a precise axial position of the two motor parts to each other.
  • the stand is adjustable to the runner and adjustable attached to the component.
  • a Einstelllehre is proposed in a further embodiment of the invention, by means of which the stator is aligned very precisely to the rotor and fastened in this position on the component provided for this purpose.
  • two identical setting gauges are provided, which are insertable from both end sides of the engine forth in the annular gap between the stator and rotor.
  • Stand and runner be provided with a seal.
  • the motor is arranged at a greater distance from the punch or a roller carriage and, accordingly, its attachment has a large projection, the motor can be provided on one side with a support bearing. It does not have the task to store the engine, but only to prevent accidental unilateral loading of the stand comes into contact with the runner.
  • bearings are arranged in the rotary gap between stator and rotor, which can be made weak, since no radial or axial forces occur between the stator and rotor.
  • This offers the advantage that the stand does not have to be fixed and does not need to be adjusted and can not touch the runner.
  • the stand only has to be supported on a non-rotatable component in order to apply the reaction to the torque. This may be, for example, to the support bar of Unterriemchen- tension brackets.
  • FIG. 1 shows the plan view of the beginning region of a drafting system with drafting system
  • FIG. 2 is a representation as in Fig. 1 with speed control of the drives of
  • Fig. 3 is a representation as in Fig. 1 with the main drive of the drafting rollers by means of synchronous motors.
  • Main drive device 6 in the form of a driven by an electric motor 7 change gear transmission 8 form-fitting drive-connected with each other.
  • the change gear transmission gives the drafting rollers angular accuracy to the turns between the
  • the drive motor 7 is acted upon from the network 9 with energy.
  • the grid also powers a power supply 10 that powers drive motors 11 of draw roller auxiliary drive devices 12.
  • the draw roller auxiliary drive devices engage with transfer members 13 on the lower rollers 2, 3, 4 and transmit torque thereto.
  • the power supply device 10 is connected via separate lines 14, 15, 16 with the drive motors 11, so that they can act on these with different supply voltage and / or supply frequency.
  • the drafting roller auxiliary drive devices 12 exert only torque on the drafting rollers. In the simplest embodiment, therefore, they can be rotary field magnets which assist the rotational movement imparted to the drafting rollers by the gearbox 8 and thereby reduce the torsion of the rollers. Greater or lesser torque can be achieved by different supply voltage and / or supply frequency.
  • speed sensor 17, 18, 19 are arranged, whose outputs are connected to the power supply device 10. In this case, this can act on the drive motors 11 of the drafting roller auxiliary drive devices 12 speed-controlled, so that they drive the drafting rollers at the intended speed.
  • the assembly of the various draw rolls 2, 3, 4 with draw roller auxiliary drive devices 12 can be different. It is believed that the torsion of the middle lower roll 3 is higher than that of the others, as it must tow the slips sliding over deflections. It is therefore provided, for example on every second punch 5 with a draw roller auxiliary drive devices 12, while the other bottom rollers, for example, only on every third punch such.
  • the draw rolls 2, 3, 4 each have a synchronous motor
  • the power supply device 10 feeds this synchronous motors with those supply frequencies are driven by the drafting rollers exactly with the intended speeds. With these frequencies also designed as synchronous motors drive motors 11 of the drafting roller auxiliary drive devices 12 are acted upon and driven synchronously.
  • Fig. 4 is a plan view of a portion of a drafting system
  • Fig. 5 is a front view of the drafting system of Fig. 4;
  • Fig. 6 is a front view of a variant of a drafting system;
  • Fig. 7 is a front view of another variant of a drafting system.
  • FIG 4 sections of three lower rollers 1, 2 and 3 of a drafting 4 are shown, which are mounted in a punch 5. To the right of the punch is a support and loading arm 6 recognizable, are stored in the three Oberwalzenzwillinge 7, 8 and 9, which press on the lower rollers. To the left of the punch is another support and loading arm 6 recognizable, the Oberwalzenzwillinge however are broken away. In the main drafting zone between the lower rollers 2 and 3, a Riemchen- turning rail 10 is located.
  • the drive motor 12 of a draw roller auxiliary drive device 13 is fastened to the punch 5 below that of the delivery roller pair 3/9 via an arm 11.
  • the drive motor drives via a spur gear 14 as a spur gear countershaft formed transmission member 15, the other spur gear 16 is seated on the lower roller 3.
  • the transfer member thus acts on a portion of the lower roller 3, which is located between the twin upper roller 9 of the left support and loading arm 6 and the twin upper roller of the next support and loading arm, not shown, left. This avoids that the transmission member 15 comes into contact with a support and loading arm 6.
  • the spur gear 14/16 of a draw roller auxiliary drive device 13 is advantageously accommodated in a dust-tight housing 17.
  • the stretching roller auxiliary drive device 13 assigned to the middle roller pair 2/8 is fastened to the right of the punch 5 on the roller carriage assigned to this roller pair and engages the lower roller 2 in addition to the twin top roller 8. This avoids that the transfer members 15 of the two adjacent lower rollers associated draw roller auxiliary drive devices 13 interfere with each other when the pairs of rollers 2/8 and 3/9 are moved together at a small distance from each other.
  • the draw roller auxiliary drive device 13 assigned to the input roller pair 1/7 is again to the left of the punch 5 on the roller carriage associated with this roller pair arranged.
  • the arrangement of the roller carriage has the advantage that the draw roller auxiliary drive devices 13 migrate with an adjustment of the roll spacing and require no separate setting.
  • the transfer members 15 of the draw roller auxiliary drive devices 13 are so narrow that they can attack between adjacent Riffelfeldern 18 of a draw roll on this without a rifflange and thus a job of the drafting would have to be omitted.
  • the drafting roller auxiliary drive devices 13 can be inserted as a result of their narrow design between almost any desired work stations of a drafting system, there is the advantage that they can be made small and with low power. A required performance can be achieved by appropriate number of pieces.
  • draw roller auxiliary drive devices 13 to be attached to a lower roller 1, 2, 3 can be adjusted in their number of units to the tendency of the draw roller to torsion. There is no use of full-performance drafting roller auxiliary drive devices.
  • this corresponds to the pitch T of the ring spinning machine
  • the distances between three work stations of the drafting system can be reduced on the one hand to a distance t 2 or increased to a distance ti.
  • Riffelfeldern 18 are attached.
  • the attack of the drafting roller auxiliary drive device 13 is advantageously carried out at the connection points of the roller sections. As can be seen from FIG. 6, not every connection point has to be equipped with an auxiliary drive device.
  • Riffelfeldab be distributed.
  • the distance 3T divided into three riffler fields two reduced distances I 4 and a more extended distance t 3 , in which a wider draw roller auxiliary drive device 13 is arranged.
  • two threads 20 run obliquely to the thread guides 21st
  • FIG. 8 is a view of a portion of a drafting system with a drawn draw roll motor shown inserted into a roll train;
  • FIG. 9 shows a variant of the embodiment of FIG. 8;
  • 10 shows a further variant of the drafting roller motor with bearings;
  • 11 shows yet another variant of the drafting roller motor with bearings;
  • Fig. 12 is a detail of the drafting roller motors;
  • Fig. 13 is a teaching for centrally adjusting the stator to the rotor.
  • the drafting roller motor 1 is inserted between two corrugated areas 2, 3 of two sections 4, 5 of a lower roller 6 of a drafting system.
  • This can be any lower roller of a drafting system.
  • Draw roller motor is so small that the given pitch T of the work stations of the drafting and the ring spinning machine need not be increased.
  • the draw roller motor 1 has a rotor 7 and a stator 8.
  • the rotor 7 is mounted on the draw roller 6. This can - as indicated in Figure 8 - take place in that the roller portion 4 has a cylindrical pin 9 with subsequent threaded pin 10, by means of which it can be screwed into a bore of the roller portion 5.
  • the bush-shaped rotor is then on the cylindrical pin 9 and is between the
  • Holding pin 11 by means of which it is frictionally inserted or screwed into holes in the adjacent roller sections 4 and 5.
  • the rotor 7 can also be divided in an axis-parallel plane and be placed and fastened on the area between two Riffelfeldern 2, 3.
  • the rotor 7 is so long that its end faces rest directly on the adjoining Riffelfeldern 2, 3.
  • the available space between the adjacent Riffelfeldern is thus maximally utilized by the torque-applying parts stand 8 and 7 runners.
  • the stator 8 has no bearings. He has a tab 12, by means of which he is usually attached via a spacer 13 indicated by only with their center lines 14 screws on a rotationally fixed member 15 which is connected to a bearing 16 of the lower roller 6.
  • this involves the punch of the drafting system or roller carriages which are displaceable on this punch and which also contain bearings of drafting rollers.
  • the connection with a roller carriage has the advantage that the connection of the stator to the component does not have to be readjusted when a draw roller is displaced when changing roller distances.
  • the stand can also be connected to another, stationary, non-rotatable component.
  • the drafting system can be provided with a separate holding device for the stands 8.
  • the draw roller motor 1 itself, as mentioned, does not have its own bearings.
  • the rotor 7 is mounted on the rotatable draw roller 6, the stator 8 on a component 15, which is advantageously in fixed connection with a bearing 16 of the draw roll 6, which is associated with the draw roller motor.
  • the draw rolls of ring spinning machines have such a small impact that even in this way a very narrow gap between the stator 8 and rotor 7 is possible and precise concentricity of the drafting roller motor is ensured.
  • a setting gauge 17, shown for example in FIG. 13, is provided. It has a handle 18 and on a circular arm 19 three offset by 120 °, the course of the gap 20 between the stator 8 and rotor 7 corresponding, wedge-shaped tabs 21. These tabs are, as indicated in Figure 12, pressed in the direction of the arrow P in the gap 20 and thereby center the stator to the rotor.
  • two adjustment gauges are provided, the tabs 21 can be inserted from both sides in the column 20. In the thus achieved coaxial position of the stator to the rotor former can be attached to the stationary or rotationally fixed member 15.
  • the cotton-processing drafting systems are strong by short fibers and
  • seals 22 may be provided around the two gaps 20 between the stator 8 and the rotor 7.
  • the seals are preferably formed as a felt ring and can lie in grooves 23 of the stator or the rotor.
  • the drafting roller motor 1 can not be arranged directly next to the component punch 15, since there is a corrugated field. He can attack between the two served by the first top roller twins 24 adjacent to the punch workstations on a draw roller 6 and sits on the short spacer 13. Since he in this case, however, in the range of the axes of the top roller twins 24 and the Oberwalzentrag- and load arm 25 engages, he must often be moved into an intermediate riffling field on.
  • a long spacer 26 is required, which can project the drafting roller engine far.
  • a distance-maintaining bearing 27 may be provided between the stator 8 and the rotor 7, which prevents touching sensitive parts of the drafting roller motor in case of unintentional one-sided loading of the stator 8.
  • the spacer bearing 27 is not used to support the rotor 7 in the stator or the stator 8 on the rotor, but only to comply with the distance or gap 20 between the stator and rotor.
  • the spacer bearing 27 is shown as a ball bearing.
  • the distance bearing can also be designed as a sliding bearing.
  • Figure 10 shows an embodiment in which in the gap 20 between the with the draw roll
  • the stator 8 mounted on the rotor 7 must be supported on a non-rotatable component for applying the reaction force of the draw roller motor 1.
  • this is the support bar 29 of the strapping clip 30.
  • the tab 12 on the stand engages around the support bar fork-shaped. When displacing the draw roller 6, the tab 12 remains in engagement with the support rod 29th
  • the embodiment may even be such that the stator 8 has narrow terminal sheet-shaped end shields 31, in which also narrow bearings 32 are arranged, which run on the draw roll 6.
  • the end shields 31 are so narrow that they do not reduce the electromotive forces between the stator 8 and rotor 7.
  • the diameter of the outer diameter of the stator 8 can be provided to reduce the diameter of the cylindrical pin 9, on which the rotor 7 is fixed.
  • the diameter of the drafting roller motor 1 is expanded to some extent inwardly, the components of the rotor slip inwards and those of the stator can also be expanded inwards.
  • the outer diameter of the stator 8 is kept at a minimum level and yet maximizes the output from the draw roller motor 1 torque.
  • the invention can be practiced with all types of electric motors suitable for driving drafting rollers: synchronous and reluctance motors, variable speed or non-speed controlled asynchronous motors, stepping motors, rotary solenoids.
  • the feeding of their stand is done for speed adjustment, preferably with controlled
  • stator includes field windings, the rotor permanent magnets, which are not shown in detail in the figures, rotor 7 and stator 8 are indicated in the figures only by hatching.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

Métier à filer à anneaux pourvu de systèmes d'étirage possédant plusieurs cylindres d'étirage qui peuvent être entraînés par un dispositif d'entraînement principal de systèmes d'étirage avec des vitesses de rotation provoquant des étirages prédéterminés. Les cylindres d'étirage sont associés à des dispositifs d'entraînement auxiliaires de cylindres d'étirage situés à une certaine distance du dispositif d'entraînement principal de systèmes d'étirage. Ledit métier à filer à anneaux est caractérisé en ce que des cylindres d'étirage (2, 3, 4) sont répartis, sur la longueur du système d'étirage (1), avec plusieurs dispositifs d'entraînement auxiliaires (12) de cylindres d'étirage qui soumettent les cylindres d'étirage à un couple de rotation réduisant au moins leur torsion. Il est ainsi possible d'introduire entre les extrémités de cylindres d'étirage très longs des couples de rotation supprimant ou tout au moins réduisant la torsion desdits cylindres d'étirage, sans que l'écartement du métier continu à filer soit augmenté à ces endroits ou que sa continuité s'en trouve interrompue et sans qu'il faille avoir recours à l'utilisation de moteurs synchrones.
EP06818513.1A 2005-11-15 2006-11-14 Metier a filer a anneaux pourvu de systemes d'etirage Not-in-force EP1948855B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE200510054818 DE102005054818A1 (de) 2005-11-15 2005-11-15 Streckwalzen-Motor
DE200510054826 DE102005054826B4 (de) 2005-11-15 2005-11-15 Ringspinnmaschine mit Streckwerken
DE200510054817 DE102005054817A1 (de) 2005-11-15 2005-11-15 Ringspinnmaschine mit Streckwerken
PCT/EP2006/010889 WO2007057148A2 (fr) 2005-11-15 2006-11-14 Metier a filer a anneaux pourvu de systemes d'etirage

Publications (2)

Publication Number Publication Date
EP1948855A2 true EP1948855A2 (fr) 2008-07-30
EP1948855B1 EP1948855B1 (fr) 2018-08-29

Family

ID=37685137

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06818513.1A Not-in-force EP1948855B1 (fr) 2005-11-15 2006-11-14 Metier a filer a anneaux pourvu de systemes d'etirage

Country Status (3)

Country Link
EP (1) EP1948855B1 (fr)
JP (1) JP5189492B2 (fr)
WO (1) WO2007057148A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015010854A1 (de) 2015-08-19 2017-02-23 Saurer Germany Gmbh & Co. Kg Spinnmaschine mit einer Vielzahl nebeneinander angeordneter Streckwerke
DE102018102232A1 (de) * 2018-02-01 2019-08-01 Saurer Spinning Solutions Gmbh & Co. Kg Doppelseitige Ringspinnmaschine mit Streckwerken
IT201900003983A1 (it) 2019-03-19 2020-09-19 Marzoli Machines Textile Srl Filatoio a cintino

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641434B2 (de) * 1976-09-15 1979-04-26 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Lange Spinnmaschine
DE4014608C1 (en) * 1990-05-07 1991-11-14 Zinser Textilmaschinen Gmbh, 7333 Ebersbach, De Slow running direct drive for spinning machine - incorporates multiphase slip-ring rotor engine where stator coils have 1st frequency converter and rotor coils have 2nd frequency converter
DE10040420A1 (de) * 2000-08-18 2002-02-28 Rieter Ag Maschf Streckwerksanordnung für Spinnmaschinen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007057148A2 *

Also Published As

Publication number Publication date
WO2007057148A2 (fr) 2007-05-24
WO2007057148A3 (fr) 2007-07-26
JP2009516085A (ja) 2009-04-16
EP1948855B1 (fr) 2018-08-29
JP5189492B2 (ja) 2013-04-24

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