US20070137165A1 - Method and device for the production of a fancy yarn - Google Patents

Method and device for the production of a fancy yarn Download PDF

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Publication number
US20070137165A1
US20070137165A1 US10/575,684 US57568404A US2007137165A1 US 20070137165 A1 US20070137165 A1 US 20070137165A1 US 57568404 A US57568404 A US 57568404A US 2007137165 A1 US2007137165 A1 US 2007137165A1
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US
United States
Prior art keywords
yarn
effect
spinning
data
fancy yarn
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.)
Abandoned
Application number
US10/575,684
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English (en)
Inventor
Iris Biermann
Olav Birlem
Hans Grecksch
Christoph Haase
Gerhard Rienas
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
Saurer 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 Saurer GmbH and Co KG filed Critical Saurer GmbH and Co KG
Publication of US20070137165A1 publication Critical patent/US20070137165A1/en
Assigned to SAURER GMBH & CO. KG reassignment SAURER GMBH & CO. KG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BIRLEM, OLAV, GRECKSCH, HANS, HAASE, CHRISTOPH, BIERMANN, IRIS, RIENAS, GERHARD
Assigned to OERLIKON TEXTILE GMBH & CO. KG reassignment OERLIKON TEXTILE GMBH & CO. KG CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SAURER GMBH & CO. KG
Abandoned legal-status Critical Current

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    • 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
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/26—Arrangements facilitating the inspection or testing of yarns or the like in connection with spinning or twisting
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/32—Counting, measuring, recording or registering devices

Definitions

  • the invention relates to a method for the production of a fancy yarn, which corresponds to an existing model fancy yarn and a device for use in producing the same.
  • Fancy yarns can also be produced on rotor spinning machines.
  • the fiber feed to the opening roller of the rotor spinning mechanism is changed, for example, in that the speed of the draw-in rollers is varied.
  • mechanical gearings are activated, which drive shafts extending along the length of the machine.
  • These draw-in rollers are made to rotate by means of the shafts.
  • the speed during the spinning of fancy yarn optionally has to be sharply reduced when spinning fancy yarn compared to the speed when spinning effect-free yarn.
  • German Patent Publication DE 44 04 503 A1 describes a rotor spinning machine, in which each draw-in roller with its drive shaft is directly connected to an associated stepping motor. Each stepping motor can be activated via an activation unit. Random speed changes of the draw-in of the sliver (also known as a sliver) can be generated with a random generator. A fancy yarn with predetermined effects cannot be produced with this known rotor spinning machine.
  • the disadvantage of yarns produced by means of a random generator is primarily that patterns are unintentionally produced in the textile surface by the random production.
  • the effect data includes, in particular, the effect lengths, effect diameters, the effect frequency and the respective effect-free thread length or web length.
  • This object is achieved with a method for producing a fancy yarn, which corresponds to an existing model fancy yarn.
  • the model fancy yarn is guided through a measuring mechanism for measuring, and at least one of the parameters of diameter and mass of the model fancy yarn is continuously measured by means of the measuring mechanism.
  • the measured values are evaluated and the effect formation of the model fancy yarn is determined therefrom from the effect regions and webs located in between.
  • a data set is formed from the data representing the effect formation.
  • Spinning settings are generated, based on the previously formed data set and a fancy yarn is produced with these spinning setting.
  • the invention further provides a device for carrying out the above-described method and comprises a measuring mechanism for determining at least one parameter of diameter and mass of a model fancy yarn, an evaluation mechanism which determines the effect data of the model fancy yarn from the measured values, a yarn design unit which generates the data required for spinning on a spinning machine, in particular a rotor spinning machine, from the effect data by means of a yarn design software, and control mechanisms for controlling the drives of the spinning machine based on the data transmitted by the yarn design unit.
  • the yarn produced may also be measured wherein the effect formation of the yarn produced is determined and compared with the effect formation of the model fancy yarn, and the spinning settings are changed until an adequate agreement between the effect formation of the yarn produced and the effect formation of the model fancy yarn is achieved. If a check on the effect achieved is carried out in this manner, an adjustment may take place until adequate agreement is achieved with the original yarn. In other words, it is possible according to the present invention to check, in a plurality of cycles, the result of the respective change in parameters and to initiate a change again. In this manner, the yarn can very closely approach the original yarn.
  • the data set of the spinning settings for producing fancy yarn may be stored after completed adjustment, with identification ensuring retrieval.
  • the reproducibility of this yarn is very good owing to storage of such data after adjustment.
  • Such data may be stored on a storage medium for further production of the fancy yarn.
  • Such data may be provided with addresses and addressed to the respective control units provided for the corresponding control operations.
  • spinning settings also have to be taken into account that relate to the base setting of the machine, which do not vary like the directly effect-related data with the varying transverse dimension of the yarn.
  • the thickness of the yarn section may be changed by changing the twist factor.
  • the combing out power of the opening roller influencing the effect is determined both by the type of fittings and the peripheral speed of the opening roller.
  • the data to then be resupplied to the rotor spinning machine is effective for various control mechanisms. Accordingly, the data contains addresses of control mechanisms, for which it is intended. On downloading, this leads to the intended allocation of the data.
  • data is also included, which is merely brought to a display of the central control mechanism for display.
  • This relates, in particular to data, which cannot be converted by the machine itself.
  • An example is the necessary number of spinning means.
  • FIG. 1 shows a schematic view of a spinning station
  • FIG. 2 shows the opening mechanism of a spinning station in a simplified schematic view, in a partial view
  • FIG. 3 shows a schematic view of the control, in particular of draw-in rollers of a rotor spinning machine
  • FIG. 4 shows a fancy yarn, which is shown by the arrangement side by side of measured values of the yarn diameter
  • FIG. 5 shows the schematic view of a yarn effect.
  • a single spinning station 1 is shown in side view.
  • a sliver 3 is drawn by a so-called compressor 4 into the spinning box 5 of the rotor spinning mechanism from a sliver can 2 .
  • the mechanism arranged in the spinning box 5 for separating the fibers and feeding them into the spinning rotor 6 are known from the prior art and 23 via the drive connection 29 .
  • the stepping motor 23 can be activated by the line 24 .
  • the direction of rotation of the opening roller 28 is indicated by the arrow 30 .
  • FIG. 3 The schematic structure of a draw-in roller control is shown schematically in FIG. 3 .
  • the measuring mechanism 31 described in the present example measures the diameters of the presented yarn.
  • the yarn mass could be determined, for example, by means of a capacitive sensor instead of an optical sensor.
  • the mass of a yarn section passing the measuring region is measured, while in an optical measurement, an average diameter value is determined inside the measuring region. Both measurements are equally suitable for evaluation of the effect formation.
  • the invention is described with the aid of the diameter determination.
  • the original yarn is supplied to the schematically shown measuring mechanism 31 which detects the measured diameters in relation to the thread length running through and transmits this data to an evaluation mechanism 32 ′ of a yarn design unit 32 .
  • the transmission is indicated by the arrow 33 .
  • the effect data is formed in the evaluation mechanism 32 A from the measured values.
  • the evaluation mechanism may also be combined with the measuring mechanism 31 or may be formed by a separate mechanism. The formation of the effect data is described below in conjunction with the FIGS. 4 and 5 .
  • the data required for spinning on a rotor spinning machine is generated by means of yarn design software in the yarn design unit 32 .
  • This data includes both the directly effect-related data, which varies with the changing diameter of the yarn and further data relating to the basic setting of the rotor spinning machine. This is, for example, the rotor, draw-off roller and opening roller speed and the selection of the spinning means. While the latter are preferably retrieved from a table, the speeds have to be determined by corresponding algorithms. These algorithms are based on known connections.
  • the data generated in the yarn design unit 32 is transmitted via a data bus, the CAN-BUS 34 here, to a central control mechanism 35 of the rotor spinning machine.
  • the transmission may also alternatively take place using transportable data carriers, such as for example a compact flash card.
  • the central control mechanism 35 is connected to the central computer 22 via the data line 36 .
  • a control mechanism 25 comprises the control of, for example, 24 stepping motors 23 of the respective take-in rollers 27 via lines 24 . All 24 spinning stations are constructed in the same manner.
  • a control card 40 is connected on the control mechanism 25 by means of a connection device 39 .
  • the data required to produce fancy yarn for controlling the stepping motors 23 is transmitted to the control card 40 via a can bus 41 by the central control mechanism 35 .
  • the control card 40 to produce fancy yarn, converts the data about thickness and length of the effects and webs, with adaptation to the conventional spinning settings, into control data for the stepping motors 23 to generate the rotational movement of the draw-in rollers 27 .
  • the data required for the control of the stepping motors of the draw-in rollers is transmitted via a can bus 42 as a continuation of the can bus 41 to further control cards, not shown, which are connected to control mechanisms of further sections of the rotor spinning machine.
  • One of the further control mechanisms is shown by dashed lines.
  • the further control mechanisms are constructed like the control mechanism 25 , have the same connection device and the same connected control card. Each further control mechanism controls the spinning stations of a section of the rotor spinning machine, in each case.
  • a stepping motor 23 If a stepping motor 23 is activated in such a way that it runs more quickly compared to the base speed, the draw-in roller 27 transports more fiber material to the opening roller 28 . This has the result that per time unit more fiber material arrives in the rotor 6 and the thread spun becomes thicker.
  • the length of the thick location depends on the duration of the increased fiber supply.
  • the diameter of the thick location depends on the speed of the stepping motor 23 or the draw-in roller 27 .
  • the control mechanism 25 is then activated via the line 43 by the central computer 22 , moreover, when it is input via control commands whether the control mechanism 25 alternatively controls the production of fancy yarn or the production of effect-free yarn.
  • the freshly spun yarn is measured out and the measured values transmitted to the yarn design unit 32 which is also provided with a display, not shown, in order to reproduce the current fancy yarn. If the appearance or the statistical description of the freshly spun yarn does not correspond to the original yarn, further changes have to be made. These changes may consist in changing the effect parameters which are input in the yarn design unit and in the change of further machine parameters, which are generally to be input at the central computer 22 .
  • control connections 44 are available at the central computer, which may lead, for example, to a control mechanism 45 for the draw-in rollers 11 or 46 for the spinning rotors 6 , the control mechanisms 45 and 46 being formed, for example, by frequency converters.
  • a display 47 at the central computer also displays the spinning means selected which have a not inconsiderable influence on the formation of the effects.
  • FIG. 4 shows the view of the yarn profile of the fancy yarn as an arrangement side by side of measured values. Effects 48 and webs 49 can be seen but the beginning and end of the effects 48 and the effect thickness or the effect diameter DE and the web thickness or the web diameter DST cannot be clearly seen and therefore cannot be seen adequately.
  • the measuring mechanism 31 registers the yarn diameter D in each case after 2 mm of yarn length.
  • a cycle step represents a measuring length of 2 mm yarn.
  • the yarn diameter D is shown in a percentage over the yarn length LG as a curve 50 .
  • the curve 50 represents, in the view of FIG. 5 , starting from the left up to point 51 , the yarn diameter DST. From the point 51 , the curve 50 rises and at point 55 passes the value of the limit diameter D GR . At point 53 , the predetermined yarn length L V has been covered since reaching the point 52 .
  • the point 52 is defined as the beginning of the effect.
  • the curve 50 falls below the limit diameter D GR at the point 54 .
  • the falling below lasts up to the point 55 and therefore over the predetermined yarn length L V .
  • the point 54 is therefore defined as the end of the effect.
  • the effect length L E is determined from the beginning and end of the effect between point 52 and point 54 .
  • An arithmetic average value is formed from the four largest diameters 56 inside the effect. The information about the effect diameter is therefore most substantially independent of the natural diameter variations in the effect region as a result. This arithmetic average value is defined as the effect diameter D E .
  • the regions between the effects defined in this way are the webs with the basic diameter of the yarn.
  • a number of consecutive effects and webs is initially compared with the same number of subsequent effects and webs. This number should advantageously lie below the expected repeat length.
  • the measure of agreement contains information as to whether the sequence of effects and webs on which the comparison is based corresponds to the repeat length. For this purpose the number of effects/webs to be included in the comparison is to be successively increased. If on reaching a certain number of effects/webs a maximum is produced, which differs significantly from the adjacent values, this value corresponds to the repeat length. The last prerequisite for reproduction of the model yarn therefore exists.
US10/575,684 2003-10-16 2004-10-13 Method and device for the production of a fancy yarn Abandoned US20070137165A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10348689A DE10348689A1 (de) 2003-10-16 2003-10-16 Verfahren zum Herstellen eines Effektgarnes
DE10348689.5 2003-10-16
PCT/EP2004/011450 WO2005038105A1 (de) 2003-10-16 2004-10-13 Verfahren und vorrichtung zum herstellen eines effektgarnes

Publications (1)

Publication Number Publication Date
US20070137165A1 true US20070137165A1 (en) 2007-06-21

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Family Applications (1)

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US10/575,684 Abandoned US20070137165A1 (en) 2003-10-16 2004-10-13 Method and device for the production of a fancy yarn

Country Status (5)

Country Link
US (1) US20070137165A1 (de)
EP (1) EP1675979A1 (de)
CN (1) CN1867710A (de)
DE (1) DE10348689A1 (de)
WO (1) WO2005038105A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080243288A1 (en) * 2004-01-21 2008-10-02 Saurer Gmh & Co. Kg Method for the Production of a Fancy Yarn
WO2011104693A1 (en) 2010-02-25 2011-09-01 Ismail Gokhan Gunduzalp Spinning device for making slub yarns
WO2011138754A1 (en) 2010-05-05 2011-11-10 Ismail Gokhan Gunduzalp Traction unit for welded yarn
US11643757B2 (en) * 2019-06-18 2023-05-09 Saurer Spinning Solutions Gmbh & Co. Kg Optimization of the operation of a spinning machine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005044733A1 (de) * 2005-09-19 2007-03-22 Maschinenfabrik Rieter Ag Steuerung für Spinnmaschinen
US7832190B2 (en) 2005-11-18 2010-11-16 Uster Technologies Ag Characterization of fancy yarn
DE102006003892B4 (de) * 2006-01-27 2018-03-08 Saurer Germany Gmbh & Co. Kg Verfahren zum Speichern von Betriebszustandsdaten eines elektromotorischen Antriebes einer eine Vielzahl von einzelmotorisch angetriebenen Arbeitsstellen umfassenden Textilmaschine sowie ein Antrieb zur Durchführung eines solchen Verfahrens
CH699219A1 (de) 2008-07-25 2010-01-29 Uster Technologies Ag Verfahren und Vorrichtung zur Garnreinigung.
DE102010044901A1 (de) * 2010-09-09 2012-03-15 Oerlikon Textile Gmbh & Co. Kg Verfahren zum Betreiben einer Kreuzspulen herstellenden Textilmaschine und Kreuzspulen herstellende Textilmaschine
CN113106586B (zh) * 2021-04-16 2022-05-13 鲁泰纺织股份有限公司 一种纯棉柔性纱线的生产方法

Citations (3)

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US20010042365A1 (en) * 1999-12-29 2001-11-22 Anton Paweletz Spin machine with several single drives
US7386975B2 (en) * 2003-10-16 2008-06-17 Oerlikon Textile Gmbh & Co. Kg Method for determining the effects of fancy yarn
US7392648B2 (en) * 2003-10-16 2008-07-01 Oerlikon Textile Gmbh & Co. Kg Rotor Spinning machine

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JPS60119228A (ja) * 1983-12-02 1985-06-26 Howa Mach Ltd 特殊糸の製造装置
DE3919687A1 (de) * 1989-04-15 1990-10-18 Skf Textilmasch Komponenten Spinnmaschine
DE4041301A1 (de) * 1990-12-21 1992-06-25 Amsler Iro Ag Spinnmaschine fuer und verfahren zum spinnen von effektgarn
DE4404503A1 (de) * 1993-03-26 1994-09-29 Schlafhorst & Co W Rotorspinnmaschine
DE19537325C1 (de) * 1995-10-06 1996-11-28 Memminger Iro Gmbh Fadenliefergerät mit elektronischer Ansteuerung
DE19716510A1 (de) * 1997-04-19 1998-10-22 Novibra Gmbh Verfahren zum Prüfen eines Fadenansetzers an einem Offenend-Spinnaggregat
IT1304528B1 (it) * 1998-01-02 2001-03-19 Massimo Brunamonti Metodo e dispositivo per la rilevazione di difetti di filati in fasedi produzione in particolare filati di ciniglia.
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Publication number Priority date Publication date Assignee Title
US20010042365A1 (en) * 1999-12-29 2001-11-22 Anton Paweletz Spin machine with several single drives
US7386975B2 (en) * 2003-10-16 2008-06-17 Oerlikon Textile Gmbh & Co. Kg Method for determining the effects of fancy yarn
US7392648B2 (en) * 2003-10-16 2008-07-01 Oerlikon Textile Gmbh & Co. Kg Rotor Spinning machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080243288A1 (en) * 2004-01-21 2008-10-02 Saurer Gmh & Co. Kg Method for the Production of a Fancy Yarn
US7721519B2 (en) * 2004-01-21 2010-05-25 Oerlikon Textile Gmbh & Co. Kg Method for the production of a fancy yarn
WO2011104693A1 (en) 2010-02-25 2011-09-01 Ismail Gokhan Gunduzalp Spinning device for making slub yarns
WO2011138754A1 (en) 2010-05-05 2011-11-10 Ismail Gokhan Gunduzalp Traction unit for welded yarn
US11643757B2 (en) * 2019-06-18 2023-05-09 Saurer Spinning Solutions Gmbh & Co. Kg Optimization of the operation of a spinning machine

Also Published As

Publication number Publication date
WO2005038105A1 (de) 2005-04-28
CN1867710A (zh) 2006-11-22
EP1675979A1 (de) 2006-07-05
DE10348689A1 (de) 2005-05-19

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AS Assignment

Owner name: OERLIKON TEXTILE GMBH & CO. KG, GERMANY

Free format text: CHANGE OF NAME;ASSIGNOR:SAURER GMBH & CO. KG;REEL/FRAME:022853/0638

Effective date: 20070605

Owner name: SAURER GMBH & CO. KG, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BIERMANN, IRIS;BIRLEM, OLAV;GRECKSCH, HANS;AND OTHERS;REEL/FRAME:022853/0492;SIGNING DATES FROM 20060327 TO 20060419

STCB Information on status: application discontinuation

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