EP1187786B1 - Verfahren und vorrichtung zum reinigen von garn - Google Patents

Verfahren und vorrichtung zum reinigen von garn Download PDF

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Publication number
EP1187786B1
EP1187786B1 EP00925015A EP00925015A EP1187786B1 EP 1187786 B1 EP1187786 B1 EP 1187786B1 EP 00925015 A EP00925015 A EP 00925015A EP 00925015 A EP00925015 A EP 00925015A EP 1187786 B1 EP1187786 B1 EP 1187786B1
Authority
EP
European Patent Office
Prior art keywords
defects
yarn
errors
end product
computer
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.)
Expired - Lifetime
Application number
EP00925015A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1187786A1 (de
Inventor
Robert HÖLLER
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.)
Uster Technologies AG
Original Assignee
Zellweger Luwa AG
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 Zellweger Luwa AG filed Critical Zellweger Luwa AG
Publication of EP1187786A1 publication Critical patent/EP1187786A1/de
Application granted granted Critical
Publication of EP1187786B1 publication Critical patent/EP1187786B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • B65H63/062—Electronic slub detector
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2551/00—Means for control to be used by operator; User interfaces
    • B65H2551/20—Display means; Information output means
    • B65H2551/21—Monitors; Displays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to a method and an apparatus for cleaning gam Errors in the gam are cut out and a cleaning limit errors that to cut out are separable from mistakes that cannot be cut out.
  • Bel such devices which is also called a game cleaner, it is customary Manually set the cleaning limit by setting values on a control unit that defines such a cleaning curve.
  • EP 0 877 108 discloses a method and a device of the type mentioned, in which sets the cleaning limit automatically.
  • gam errors from one first yarn section captured by values for the thickness and length of Deviations in the thickness of the chamois are measured and collected. These values can be now with the help of a computer, e.g. a so-called PC, which is a suitable program contains, arrange and plot on a graph with the values for the thickness and the The corresponding values for the length of the errors are entered in a length / thickness diagram become.
  • a computer e.g. a so-called PC, which is a suitable program contains, arrange and plot on a graph with the values for the thickness and the The corresponding values for the length of the errors are entered in a length / thickness diagram become.
  • this diagram there are value ranges for different along one axis Lengths of defects in the yarn and along another axis Value ranges for the thickness of the Error in the gam plotted.
  • an optimal cleaning limit should be points of the same defect density or Connect the same level of error in an error diagram. So are mistakes on this Cleaning limits are equally disruptive.
  • the operator gives the Number of cleaner cuts on the PC and thus receives the optimal cleaning limit. Is the If the operator agrees with the curve received, he loads it into the memory of a Control unit for the thread cleaner and from then on works with it.
  • a disadvantage of this known method is that the cleaning limit is determined on the basis of values for a permissible number of cuts on the yarn. So The quality of the chamois and the derived products may also have to be checked here and then the cleaning limit can be adjusted again.
  • the invention as characterized in the claims, now solves the problem To create methods and an apparatus that avoid these disadvantages and a allow improved, simplified and quick setting of the cleaning limit, so that whose effect in the yarn is also more predictable.
  • the yarn cleaner control unit detects every thread error recorded values for the length, thickness and position along the yarn in a new way be evaluated.
  • the thickness here either sizes such as error radius, Defect cross-section or mass of defects.
  • a graphic representation of the cleaning limit is not necessary. To do this, a set of simulated yarn defects is displayed in an image, where the picture, as explained below, can have different shapes. In any case the images always only show defects that lie on the same cleaning limit. there the errors can have different shapes and lengths. For errors that occur this cleaning limit and are displayed: These are the most annoying defects in the yarn that remain after cleaning the yarn, that is cannot be removed by cleaning. Slightly bigger mistakes will be cut out. Simulated error images are shown as errors in the images.
  • the device according to the invention therefore consists of yarn cleaners known per se, which are attached to a spinning or winding machine, and a computer (PC) which has representations of errors and a program for classifying the errors in its memory.
  • the computer also has means for displaying error examples and contains pre-stored representations of errors or a program for displaying errors from input data. It preferably also has selectable fields via which the calculation of a cleaning limit can be triggered.
  • the advantages achieved by the invention can be seen in particular in that the Setting the cleaning limit is greatly simplified and so by relative modestly qualified operators can be performed.
  • the Effect of the setting made can be recognized very precisely.
  • the cleaning limit is influenced by the desired quality of an end product and be determined. This quality, for example, is reflected in the more or less expressing uniform structure of the surface of a woven or knitted fabric can directly be taken into account when determining the cleaning limit for the gam.
  • the Representation of errors can be either the type of error or the effect of the distribution of the errors Highlight errors in the final product.
  • Fig. 1 shows a longitudinally moved test specimen, here a yarn 1, the measuring field or a Measuring gap 2 of a yarn cleaner 3 passes through. This is via a line 4 to one Evaluation unit 5 connected, which in turn via a bus 6 with a control unit 7 connected is. However, the evaluation unit can also be part of the game cleaner. At the Control unit 7 can use a further bus 8 and further evaluation units additional yarn cleaners must be connected.
  • the control unit 7 is via a bus or a Network 9 such as Ethernet (LAN) etc. connected to a computer 10 that for example, a conventional PC with means for display. So this also shows the known elements such as screen 11, input keyboard 12 and processor 13.
  • LAN Ethernet
  • Various programs are stored in computer 10, for example a program for Tissue simulation, a program to set a first cleaning limit and a Program for generating error images and for storing predefined error images.
  • a program for tissue simulation is for example under the name USTER EXPERT available on the market and also in its main features in US 5,671,061 described.
  • a program to set a cleaning limit is provided by the company ZELLWEGER USTER distributed under the name CAY and is in its basic features known from EP 0 877 108. Typical defects in the yarn are from the classification system USTER CLASSIMAT known and for example in the font "USTER News Bulletin" No. 29, August 1981 shown on pages 4, 6 and 15.
  • Fig. 2 shows an example of defects in a final product such as yarn that is on the same Cleaning limit could be and thus undesirable or tolerated to the same extent and thus points can also be assigned to a cleaning limit.
  • the Error 14 is referred to as a short thick spot, error 17 as a long thick spot, but has a smaller thickness. Errors 15 and 16 are somewhere in their masses between.
  • Fig. 3 shows errors similar to Fig. 2, but overall have a smaller thickness and should be less annoying. This representation highlights the nature of the errors out.
  • Fig. 4 shows the same errors 14 to 17 as Fig. 2, but in a section of one Sheet.
  • FIG. 5 shows the same errors 18 to 21 as FIG. 3, but in one environment.
  • Fig. 6 shows a web 25 of a woven or knitted fabric in which the yarn defect Reference numerals 26 to 29 are given.
  • Fig. 7 shows a web 30 of a woven or knitted fabric in which the yarn defect Reference numerals 31 and 32 are indicated. This representation highlights the distribution of errors in the end product.
  • FIG. 8 shows an illustration of how it can be constructed on a screen.
  • the visible Has yarn defects such as those designated 34, 35 and 36.
  • a field 37 to the right of this these yarn defects are enlarged and shown at the same height, so that you can see their nature.
  • a field 38 there are five for one and the same error different variants shown. All of these variants are classified in the same field because they are perceived as equally disturbing, although their forms differ from one another.
  • Fields 39 and 40 can be selected, for example, using a mouse. Select field 39 tightens the cleaning limit and selecting field 40 makes it more tolerant.
  • a cleaning limit is specified before or at the start of a yarn production or for a specific production lot. This can be done, for example, in the manner known from EP 0 877 108. In any case, this cleaning limit must ultimately be pre-stored in the computer 10 or determined by a suitable program. Yarn defects that can be assigned to this cleaning limit, for example, as shown in one of FIGS. 2, 4 or 6 next to one another or in succession, are then displayed on the screen 11 in the end product, ie in yarn 1, in the woven or knitted fabric 25, 30. The operator can choose between, for example, three representations as shown in FIGS. 2, 4 and 6 and can now judge whether or not he can still allow the errors in the yarn shown.
  • the processor 13 calculates a new cleaning limit which cuts out more errors and new images of errors appear on the screen 11, as shown for example in FIGS. 3, 5 and 7.
  • the cleaning limit can also be set more tolerably, for example by selecting field 40.
  • the number of expected cleaner cuts for each cleaning limit can also be displayed in a display field. As soon as the simulation of the errors reveals the desired quality features, the cleaning limit is saved and downloaded to the control unit 7 to control the cleaner 3. The cleaning limit thus optimized can now be used to start the production of yarn.
  • 10 pictures of game errors can be stored in the computer his. These images can correspond to real images such as photographs related to this Digitized and stored for the purpose. Because the number of images specified in this way is limited can be obtained from two images by interpolation with known ones Image processing algorithms produce additional images that show yarn defects that are not are pre-stored because they differ too little from the pre-stored images exhibit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP00925015A 1999-05-29 2000-05-22 Verfahren und vorrichtung zum reinigen von garn Expired - Lifetime EP1187786B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH100899 1999-05-29
CH100899 1999-05-29
PCT/CH2000/000284 WO2000073189A1 (de) 1999-05-29 2000-05-22 Verfahren und vorrichtung zum reinigen von garn

Publications (2)

Publication Number Publication Date
EP1187786A1 EP1187786A1 (de) 2002-03-20
EP1187786B1 true EP1187786B1 (de) 2003-03-26

Family

ID=4200303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00925015A Expired - Lifetime EP1187786B1 (de) 1999-05-29 2000-05-22 Verfahren und vorrichtung zum reinigen von garn

Country Status (7)

Country Link
US (1) US6922604B2 (zh)
EP (1) EP1187786B1 (zh)
JP (1) JP2003500315A (zh)
CN (1) CN1191980C (zh)
AT (1) ATE235418T1 (zh)
DE (1) DE50001563D1 (zh)
WO (1) WO2000073189A1 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001516909A (ja) * 1997-09-15 2001-10-02 ツエルヴエーゲル・ルーヴア・アクチエンゲゼルシヤフト 繊維面組織からのデータを評価する方法
DE10352429A1 (de) * 2003-11-10 2005-06-23 Saurer Gmbh & Co. Kg Garnreiniger
DE102004013776B4 (de) * 2004-03-20 2017-07-27 Rieter Ingolstadt Gmbh Verfahren und Vorrichtung zur Ausreinigung von Garnfehlern
DE102004042115A1 (de) * 2004-08-30 2006-03-02 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zur Optimierung von Spul- und Spleißparametern auf einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
JP2007211363A (ja) * 2006-02-08 2007-08-23 Murata Mach Ltd 糸欠点のクリアリング判定方法と糸処理装置
DE102008037758B4 (de) * 2008-08-14 2019-09-19 Saurer Spinning Solutions Gmbh & Co. Kg Verfahren zur Qualitätsüberwachung eines längsbewegten Garnes an einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine
WO2013185249A1 (de) * 2012-06-11 2013-12-19 Uster Technologies Ag Bewertung einer mutmasslichen reinigung eines länglichen textilen prüfgutes
CN103543647B (zh) * 2013-10-12 2016-06-01 浙江锦马自动化科技有限公司 一种粗线检测处理电路
CN105844657B (zh) * 2016-04-26 2018-07-17 江南大学 基于二维经验模态分解的双通道织物疵点检测方法
JP2019516873A (ja) * 2016-05-04 2019-06-20 ウステル・テヒノロジーズ・アクチエンゲゼルシヤフト 繊維フロックの流れにおける汚染物の監視
CZ307261B6 (cs) * 2016-09-29 2018-05-02 Rieter Cz S.R.O. Způsob sledování příze na pracovním místě textilního stroje a textilní stroj k jeho provádění
DE102017117743A1 (de) * 2017-08-04 2019-02-07 Saurer Spinning Solutions Gmbh & Co. Kg Vorrichtung zur Ausreinigung von Garnfehlern aus einem Garn
JP2019137537A (ja) * 2018-02-14 2019-08-22 村田機械株式会社 クリアリングリミット設定装置及び糸巻取機

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH477573A (de) * 1967-10-03 1969-08-31 Zellweger Uster Ag Vorrichtung für Garnreiniger
CH678173A5 (zh) * 1989-06-29 1991-08-15 Zellweger Uster Ag
US5671061A (en) * 1992-06-18 1997-09-23 Zellweger Luwa Ag Method and apparatus for assessing the effect of yarn faults on woven or knitted fabrics
CH684129A5 (de) * 1992-06-18 1994-07-15 Zellweger Uster Ag Verfahren und Vorrichtung zur Beurteilung der Auswirkung von Garnfehlern auf Gewebe oder Gewirke.
US6510734B1 (en) * 1996-06-12 2003-01-28 Zellweger Luwa Ag Method of assessing the effects of yarn defects on textile fabrics
WO1998016823A1 (en) * 1996-10-15 1998-04-23 Cis Graphik Und Bildverarbeitung Gmbh Yarn and fabric simulation system
EP0877108B1 (de) * 1997-04-23 2003-07-16 Uster Technologies AG Verfahren und Vorrichtung zum Reinigen von Garnen
JP2002521587A (ja) * 1998-07-24 2002-07-16 ツエルヴエーゲル・ルーヴア・アクチエンゲゼルシヤフト 繊維の面組織における欠陥を評価する方法及び装置

Also Published As

Publication number Publication date
US20020062775A1 (en) 2002-05-30
JP2003500315A (ja) 2003-01-07
CN1353668A (zh) 2002-06-12
US6922604B2 (en) 2005-07-26
CN1191980C (zh) 2005-03-09
EP1187786A1 (de) 2002-03-20
ATE235418T1 (de) 2003-04-15
WO2000073189A1 (de) 2000-12-07
DE50001563D1 (de) 2003-04-30

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