EP1187786A1 - Verfahren und vorrichtung zum reinigen von garn - Google Patents
Verfahren und vorrichtung zum reinigen von garnInfo
- Publication number
- EP1187786A1 EP1187786A1 EP00925015A EP00925015A EP1187786A1 EP 1187786 A1 EP1187786 A1 EP 1187786A1 EP 00925015 A EP00925015 A EP 00925015A EP 00925015 A EP00925015 A EP 00925015A EP 1187786 A1 EP1187786 A1 EP 1187786A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- errors
- yarn
- cleaning
- defects
- cleaning limit
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 31
- 230000003466 anti-cipated effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000007383 open-end spinning Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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 a device for cleaning yarn in which defects in the yarn are cut out and a cleaning limit separates defects which are to be cut out from defects which are not to be cut out.
- EP 0 877 108 discloses a method and a device of the type mentioned, in which the cleaning limit is set automatically.
- yarn defects from a first yarn section are first detected by measuring and collecting values for the thickness and the length of thickness deviations of the yarn.
- values can now be arranged with the aid of a computer, for example a so-called PC, which contains a suitable program, and recorded in a diagram, the values for the thickness and the associated values for the length of the errors in a length / thickness diagram be entered.
- value ranges for different lengths of defects in the yarn are plotted along one axis and value ranges for the thickness of the defects in the yarn along another axis.
- the cleaning limit is determined on the basis of values for a permissible number of cuts on the yarn.
- the quality of the yarn and the subsequent products may also have to be checked here, and the cleaning limit must then be adjusted again
- the invention as characterized in the claims, now solves the problem of creating a method and a device which avoid these disadvantages and allow an improved, simplified and rapid setting of the cleaning limit, so that their effect in the yarn is also more predictable
- 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 also preferably has selectable fields via which the calculation of a cleaning limit can be triggered.
- the cleaning limit can be influenced and determined by the desired quality of an end product. This quality, which is expressed, for example, in the more or less uniform structure of the surface of a woven or knitted fabric, can be taken into account directly when determining the cleaning limit for the yarn.
- the presentation of the errors can emphasize both the type of errors or the effect of the distribution of the errors in the end product.
- FIG. 1 shows a schematic illustration of the device according to the invention
- Figures 2 to 7 each show errors in the field of the display.
- Figure 8 is an illustration of a display on a screen of a PC.
- control unit 7 is connected to a computer 10 via a bus or a network 9, such as, for example, Ethernet (LAN), etc.
- LAN Ethernet
- it can be a conventional PC with means for display. It also has the known elements such as screen 11, input keyboard 12 and processor 13.
- Various programs are stored in computer 10, for example a program for tissue simulation, a program for setting a first cleaning limit and one Program for generating error images and for storing predefined error images
- a program for tissue simulation is available on the market, for example, under the name USTER EXPERT and its basic features are described in US 5,671,061 The designation CAY is distributed and its basic features are known from EP 0 877 108.
- Typical fault oilders in the yarn are known from the USTER CLASSIMAT classification system and are shown, for example, in the USTER News Bulletin No. 29, August 1981 on pages 4, 6 and 15
- Error 14 is referred to as a short thick point, error 17 as a long thick spot, but with a smaller thickness
- the errors 15 and 16 are somewhere in between in their masses
- FIG. 3 shows errors similar to FIG. 2, but overall they have a smaller thickness and should therefore also be less disturbing. This illustration emphasizes the type of error
- FIG. 4 shows the same errors 14 to 17 as FIG. 2 but in a detail from a flat structure
- 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 yarn defects are indicated with reference numerals 26 to 29
- FIG. 7 shows a web 30 of a woven or knitted fabric in which yarn defects are indicated with reference numerals 31 and 32. This representation emphasizes the distribution of the defects in the end product
- FIG. 8 shows an illustration of how it can be constructed on a screen.
- 33 denotes a web of an end product, such as a woven or knitted fabric, which has visible yarn defects, such as 34, 35 and 36 in a field 37 can the right of this yarn faults are verg r ossert and displayed on the same height, so that one whose nature seen in a field 38 All these Va ⁇ anten be classified in the same field five different variants are shown for one and the same mistakes because they interfere as equal are felt, although their shapes differ from one another
- Fields 39 and 40 can be selected, for example, with a mouse. Selecting 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 on the screen 11 are then, for example, yarn defects that can be assigned to this cleaning limit, as shown in one of FIGS. 2, 4 or 6 side by side or one after the other, in the end product, i.e. in yarn 1, in the woven or knitted fabric 25, 30. The operator can choose between three, for example Select representations as shown in FIGS. 2, 4 and 6 and can now assess whether he can still allow the errors in the yarn shown or not.
- 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, by 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 Download to the control unit 7 to control the cleaner 3 With the cleaning limit optimized in this way, the production of yarn can now be started
- 10 images of yarn defects can be stored in the computer. These images can correspond to real images such as photographs, which have been digitized and stored for this purpose. Since the number of images specified in this way is limited, two images can be interpolated with known image processing algorithms Generate images that show yarn defects that are not pre-stored because they differ too little from the pre-saved images
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)
Abstract
Description
Claims
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 true EP1187786A1 (de) | 2002-03-20 |
| EP1187786B1 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 (de) |
| EP (1) | EP1187786B1 (de) |
| JP (1) | JP2003500315A (de) |
| CN (1) | CN1191980C (de) |
| AT (1) | ATE235418T1 (de) |
| DE (1) | DE50001563D1 (de) |
| WO (1) | WO2000073189A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6987867B1 (en) * | 1997-09-15 | 2006-01-17 | Uster Technologies Ag | Process for evaluating data from textile fabrics |
| 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 |
| US20190137382A1 (en) * | 2016-05-04 | 2019-05-09 | Uster Technologies Ag | Monitoring Contamination in a Stream of Fiber Flocks |
| CZ2016607A3 (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 |
| CH721119A1 (de) | 2023-09-11 | 2025-03-31 | Uster Technologies Ag | Verfahren und Vorrichtung zum Klassieren eines Ereignisses in einem länglichen textilen Prüfgut |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH477573A (de) * | 1967-10-03 | 1969-08-31 | Zellweger Uster Ag | Vorrichtung für Garnreiniger |
| CH678173A5 (de) * | 1989-06-29 | 1991-08-15 | Zellweger Uster Ag | |
| CH684129A5 (de) * | 1992-06-18 | 1994-07-15 | Zellweger Uster Ag | Verfahren und Vorrichtung zur Beurteilung der Auswirkung von Garnfehlern auf Gewebe oder Gewirke. |
| 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 |
| WO1997047959A1 (de) * | 1996-06-12 | 1997-12-18 | Zellweger Luwa Ag | Verfahren zur beurteilung der auswirkungen von garnfehlern auf textile flächengebilde |
| CN1211319A (zh) * | 1996-10-15 | 1999-03-17 | Cis图像处理有限责任公司 | 纱线和织物模拟系统 |
| EP0877108B1 (de) * | 1997-04-23 | 2003-07-16 | Uster Technologies AG | Verfahren und Vorrichtung zum Reinigen von Garnen |
| WO2000006823A1 (de) * | 1998-07-24 | 2000-02-10 | Zellweger Luwa Ag | Verfahren und vorrichtung zur beurteilung von fehlern in textilen flächengebilden |
-
2000
- 2000-05-22 DE DE50001563T patent/DE50001563D1/de not_active Expired - Fee Related
- 2000-05-22 EP EP00925015A patent/EP1187786B1/de not_active Expired - Lifetime
- 2000-05-22 CN CN00808213.8A patent/CN1191980C/zh not_active Expired - Fee Related
- 2000-05-22 AT AT00925015T patent/ATE235418T1/de not_active IP Right Cessation
- 2000-05-22 WO PCT/CH2000/000284 patent/WO2000073189A1/de not_active Ceased
- 2000-05-22 JP JP2000621267A patent/JP2003500315A/ja active Pending
-
2001
- 2001-11-28 US US09/994,721 patent/US6922604B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0073189A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1353668A (zh) | 2002-06-12 |
| DE50001563D1 (de) | 2003-04-30 |
| JP2003500315A (ja) | 2003-01-07 |
| EP1187786B1 (de) | 2003-03-26 |
| CN1191980C (zh) | 2005-03-09 |
| WO2000073189A1 (de) | 2000-12-07 |
| US6922604B2 (en) | 2005-07-26 |
| US20020062775A1 (en) | 2002-05-30 |
| ATE235418T1 (de) | 2003-04-15 |
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