EP1456441A2 - Verfahren und vorrichtung zum herstellen eines schrumpfarmen glattgarns - Google Patents
Verfahren und vorrichtung zum herstellen eines schrumpfarmen glattgarnsInfo
- Publication number
- EP1456441A2 EP1456441A2 EP02735329A EP02735329A EP1456441A2 EP 1456441 A2 EP1456441 A2 EP 1456441A2 EP 02735329 A EP02735329 A EP 02735329A EP 02735329 A EP02735329 A EP 02735329A EP 1456441 A2 EP1456441 A2 EP 1456441A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- plug
- yarn
- godet
- stopper
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
- D02G1/125—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes including means for monitoring or controlling yarn processing
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
- D02G1/122—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes introducing the filaments in the stuffer box by means of a fluid jet
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/12—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes
- D02G1/127—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes including drawing or stretching on the same machine
Definitions
- the invention relates to a method for producing a low-shrinkage synthetic smooth yarn according to the preamble of claim 1 and a device for carrying out the method according to the preamble of claim 10.
- the invention is characterized in that a relaxation treatment with long periods of relaxation is possible even at relatively high thread speeds.
- the multifilament thread is first drawn after melt spinning.
- the thread is compressed into a plug in a relaxation device with a stuffer box.
- the thread is conveyed into the compression chamber under the influence of heat and compressed there.
- the stopper is conveyed through the relaxation device without tension. Since the stopper has a significantly larger diameter than the thread, the speed of the stopper is orders of magnitude lower than the feed speed of the thread due to the continuity condition.
- relatively long dwell times at high temperature and in a tension-free state can be achieved.
- the plain yarn When leaving the relaxation device, the plain yarn is pulled out of the stopper under tension.
- the yarn In contrast to a crimping device, where the stopper is usually cooled to fix the crimp, the yarn is drawn out of the relaxation device in the hot state and further processed with such high thread tension that no crimp remains in the yarn and thus a typical plain yarn is present.
- polyester smooth yarn can be produced from the stopper even at a relatively low withdrawal tension. All types of polyester are therefore particularly suitable.
- a hot medium is preferably used to convey the thread, which medium is fed into the stuffer box together with the thread by means of a feed nozzle.
- the medium can be formed from hot air or hot steam.
- a ner-riding variant of the ner-driving according to the invention once again provides for a stretching after relaxation. As a result, any latent residual crimp that may still remain in the yarn is reduced.
- the pulling apart of the stopper is supplemented and secured by additional ner-driving steps. Due to fluctuations in yarn or pucking parameters, thread mass flows of different sizes can flow in and out. This means that the length of the stopper may possibly increase or decrease continuously. For this reason, the position of the plug end is sensed in this ner driving variant and the temperature of the medium is corrected.
- the speed of the godet pulling off the thread is acted on alternatively or additionally. This intervention has an immediate effect on the plug length.
- the thread speed in the thread path behind the relaxation device is lower than the thread speed in the thread path in front of the relaxation device.
- the winding speed is again slightly higher than the thread speed behind the relaxation device.
- the method according to the invention can of course also be used for the production of monofilaments, that is to say for threads which consist only of a thick filament.
- a device for carrying out the ner process according to the invention consists of a spinning device in which the filaments are melt-spun, one
- Nerstrech in which the thread is stretched into a high-strength thread, a stuffer box as a relaxation device and a winding device tung.
- the stuffer box is designed so that as few loops and arches as possible form in the deposited filaments when the thread is upset. What is essential here is the possibility that the temperature-controlled thread is guided in the stuffer box as a stopper for as long a period of stress as possible so that a very low-shrinkage flat yarn is present after the stopper has been released.
- a stretching device is provided behind the relaxation device, which slightly increases the thread tension in order to smooth the smooth yarn behind the stuffer box again.
- this post-stretching device is formed from a godet duo which interacts with the winding device.
- godet duos it is also possible for two godet duos to be used, the second godet duo being operated at a slightly higher speed, so that a thread tension is built up.
- godet duos godets with overflow rollers can also be used.
- the relaxing device preferably has a conveying nozzle which is connected to a medium source and is acted upon by a hot medium.
- the thread can thus be heated, for example, by hot air or a hot steam and promote.
- FIG. 1 schematically shows a first exemplary embodiment of the device according to the invention, to which the method according to the invention is applied,
- FIG. 2 schematically shows a sectional view of the relaxation device of the exemplary embodiment from FIG. 1
- Fig. 3 schematically shows another embodiment of a relaxation device.
- FIG. 1 schematically shows a first exemplary embodiment of the device according to the invention, to which the method according to the invention is applied.
- the device has a spinning device which is formed by a spinning head 1 and a plurality of spinning nozzles 15.
- the spinning head 1 is connected by a melt feed 29 to a melt source, not shown here, for example to an extruder.
- a plurality of spinnerets 15 are attached to the underside of the spinning head 1, each of which contains a large number of spinneret bores through which a filament sheet 2 is extruded. In the exemplary embodiment, four spinnerets 1 are shown as examples.
- the filament sheet 2 is cooled by a cooling air 3, wetted with a preparation in a preparation device 4 and combined into a thread 5.
- a cooling air 3 wetted with a preparation in a preparation device 4 and combined into a thread 5.
- the thread 5 After the thread 5 is formed, it is first drawn off from a godet 6, which interacts with an overflow roller 25. It is common for such threads to produce a plurality of threads in a parallel process and to treat them in parallel on the same godets.
- the devices of the device and the method for simplifying a thread are described.
- the thread 5 is guided to a stretching device which is formed by a plurality of godet duos 7.1, 7.2 and 7.3.
- the thread 5 is first drawn between two heated godet duos 7.1 and 7.2 in a first drawing zone 8.1 and then between two heated godet duos 7.2 and 7.3 in a second drawing zone 8.2.
- the thread 5 has reached a high strength. However, it tends to shrink under the influence of temperature. This is particularly the case for the applications mentioned, where the threads are subsequently coated with hot coating Wrapping fabrics is undesirable. Therefore, the thread 5 is guided in a subsequent relaxation zone 16 with a relaxation device 9. Under temperature and in a tension-free state, the thread 5 in the relaxation device 9 is given the opportunity to relax, ie to reduce its tendency to shrink. Depending on the polymer and process parameters, the thread is shortened by about 13%.
- the thread 5 is swaged into a stopper within the relaxation device 9, which is described in detail in FIG. If several threads are treated in parallel, it is possible to provide a separate relaxation device for each thread or to treat several threads in a common relaxation device.
- a post-stretching device 21 is provided, which in this exemplary embodiment is formed by a further godet duo 7.4.
- the smooth yarn 22 is then wound up into a bobbin 26 by means of a winding device 10.
- the post-stretching device 21 could also be formed by a godet with an overflow roller. The godet and the winding device then work together for further stretching.
- the relaxation device 9 has a delivery nozzle 17, to which a heated medium 18 is fed via a line 28.
- the medium 18, which was previously heated by heating 13, is passed into a thread channel 27 in order to convey the thread 5.
- the thread channel 27 opens into a stuffer box 19 Relaxation device 9.
- the thread 5 is guided to a stopper 20.
- the thread forms loops, which leads to a congestion and consequently to a compression, so that the plug 20 is formed from the thread 5 and is slowly conveyed through the stuffer box 19 of the relaxation device 9.
- a hot fluid such as hot air or steam is used as the conveying medium 18 in order to offer the thread the temperature level required for relaxation.
- a plurality of slots are made in a guide section 23 of the stuffer box 19, through which the medium is discharged again.
- the stopper 20 then leaves the relaxation device 9 via the outlet opening 24 and is dissolved into the smooth yarn 22.
- FIG. 3 shows a further exemplary embodiment of the relaxation device 9, which could be used, for example, in a device according to FIG. 1 and which regulates the plug formation. You relax Direction 9 is essentially identical to the embodiment of FIG. 2, so that only the differences are listed below.
- a sensor 11 is provided at the outlet opening 24 of the relaxation device 9, which senses a plug growth or a plug shrinkage.
- the signaled value of the sensor 11 is compared in a Ner Sammlunger 30 with a target value and fed to a controller 12 if there is a deviation.
- the controller 12 is connected to a heater 13 which heats the medium 18 supplied to the delivery nozzle 17. The heating of the medium 18 can thus be corrected via the controller 12.
- the controller 12 is also coupled to a godet drive 14 which drives the godet duo 7.4 of the post-stretching device 21. In addition, the speed of the godet drive 14 driving the godet duo 7.4 can be corrected.
- the relaxation device 9 shown in FIG. 3 can only be used in conjunction with a temperature control of the delivery medium or only with a speed control of the godet duo.
- the relaxation devices shown in FIGS. 2 and 3 are examples. Any relaxation device could be used in the device according to FIG. 1, in which the thread is guided and heated to a stopper within a stuffer box by means of a conveying means. By upsetting the thread, even at high thread speeds Reach appropriate periods of time to relax the thread.
- the compression of the thread is preferably carried out with a low plug density in order to obtain extensive complete dissolution of the loops and loops in the filaments when the plug is released, so that after the dissolution the yarn no longer contains any crimp.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10121987 | 2001-05-05 | ||
DE10121987 | 2001-05-05 | ||
PCT/EP2002/004870 WO2002090633A2 (de) | 2001-05-05 | 2002-05-03 | Verfahren und vorrichtung zum herstellen eines schrumpfarmen glattgarns |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1456441A2 true EP1456441A2 (de) | 2004-09-15 |
EP1456441B1 EP1456441B1 (de) | 2008-01-16 |
Family
ID=7683811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02735329A Expired - Lifetime EP1456441B1 (de) | 2001-05-05 | 2002-05-03 | Verfahren und vorrichtung zum herstellen eines schrumpfarmen glattgarns |
Country Status (9)
Country | Link |
---|---|
US (1) | US7270777B2 (de) |
EP (1) | EP1456441B1 (de) |
JP (1) | JP4154242B2 (de) |
KR (1) | KR100860244B1 (de) |
CN (1) | CN100422410C (de) |
AT (1) | ATE384151T1 (de) |
DE (1) | DE50211576D1 (de) |
MX (1) | MXPA03010081A (de) |
WO (1) | WO2002090633A2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011109784A1 (de) * | 2011-08-08 | 2013-02-14 | Oerlikon Textile Gmbh & Co. Kg | Vorrichtung zum Schmelzspinnen, Abziehen, Verstrecken, Relaxieren und Aufwickeln eines synthetischen Fadens |
CN102912464B (zh) * | 2012-11-13 | 2016-08-24 | 广州市新辉联无纺布有限公司 | 一种热塑性材料纺丝设备 |
DE102014015864A1 (de) * | 2014-10-25 | 2016-04-28 | Oerlikon Textile Gmbh & Co. Kg | Verfahren und Vorrichtung zur Herstellung eines multifilen Fadens |
DE102017100488A1 (de) * | 2017-01-12 | 2018-07-12 | Trützschler GmbH & Co Kommanditgesellschaft | Vorrichtung und Verfahren zur Erzeugung eines texturierten Filamentes oder Garnes |
CN116446085B (zh) * | 2023-04-26 | 2024-05-28 | 浙江佳宝聚酯有限公司 | 一种涤纶fdy长丝复合仿毛纱线的生产方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7113810A (de) | 1970-10-17 | 1972-04-19 | ||
US4095317A (en) * | 1974-10-24 | 1978-06-20 | Akzona Incorporated | Process for producing textured yarn |
US4059873A (en) * | 1975-08-29 | 1977-11-29 | E. I. Du Pont De Nemours And Company | Fluid process for making continuous filament heather yarn |
NL7601584A (nl) * | 1976-02-17 | 1977-08-19 | Akzo Nv | Werkwijze en inrichting voor het kroezen van garen, alsmede aldus vervaardigd garen. |
US4251481A (en) * | 1979-05-24 | 1981-02-17 | Allied Chemical Corporation | Continuous spin-draw polyester process |
US4622187A (en) * | 1984-05-23 | 1986-11-11 | E. I. Du Pont De Nemours And Company | Continuous process for making interlaced polyester yarns |
DE4202896C2 (de) * | 1991-02-06 | 2000-06-15 | Barmag Barmer Maschf | Verfahren zur Herstellung eines mehrfarbigen, gekräuselten Fadens |
DE4224454C2 (de) * | 1991-07-30 | 1996-06-05 | Barmag Barmer Maschf | Verfahren zur Regelung der Temperatur eines Heizmediums zur Erhitzung eines synthetischen Fadens und Texturiereinrichtung für einen synthetischen Faden |
CN1092721C (zh) * | 1995-08-04 | 2002-10-16 | 纳幕尔杜邦公司 | 高支长丝细聚酯纱的制造方法及由该方法制得的产品 |
DE19613965A1 (de) * | 1996-04-09 | 1997-10-16 | Hoechst Trevira Gmbh & Co Kg | Schrumpfarme Hybridgarne, Verfahren zu deren Herstellung und deren Verwendung |
DE19826654A1 (de) * | 1997-06-18 | 1998-12-24 | Barmag Barmer Maschf | Verfahren und Vorrichtung zur Herstellung eines gekräuselten, multifilen Mehrkomponentenfadens |
DE10100762A1 (de) * | 2000-01-27 | 2001-08-02 | Barmag Barmer Maschf | Verfahren zum Spinnen eines multifilen synthetischen Fadens |
-
2002
- 2002-05-03 CN CNB028087534A patent/CN100422410C/zh not_active Expired - Fee Related
- 2002-05-03 JP JP2002587685A patent/JP4154242B2/ja not_active Expired - Fee Related
- 2002-05-03 KR KR1020037013469A patent/KR100860244B1/ko not_active IP Right Cessation
- 2002-05-03 AT AT02735329T patent/ATE384151T1/de not_active IP Right Cessation
- 2002-05-03 EP EP02735329A patent/EP1456441B1/de not_active Expired - Lifetime
- 2002-05-03 MX MXPA03010081A patent/MXPA03010081A/es active IP Right Grant
- 2002-05-03 DE DE50211576T patent/DE50211576D1/de not_active Expired - Fee Related
- 2002-05-03 WO PCT/EP2002/004870 patent/WO2002090633A2/de active IP Right Grant
-
2003
- 2003-10-22 US US10/691,044 patent/US7270777B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO02090633A2 * |
Also Published As
Publication number | Publication date |
---|---|
KR100860244B1 (ko) | 2008-09-25 |
WO2002090633A3 (de) | 2004-04-22 |
US7270777B2 (en) | 2007-09-18 |
US20040080074A1 (en) | 2004-04-29 |
JP2004531655A (ja) | 2004-10-14 |
CN100422410C (zh) | 2008-10-01 |
MXPA03010081A (es) | 2004-03-10 |
EP1456441B1 (de) | 2008-01-16 |
WO2002090633A2 (de) | 2002-11-14 |
CN1639397A (zh) | 2005-07-13 |
KR20040002913A (ko) | 2004-01-07 |
JP4154242B2 (ja) | 2008-09-24 |
ATE384151T1 (de) | 2008-02-15 |
DE50211576D1 (de) | 2008-03-06 |
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