EP0979321A1 - Vorrichtung zur optimierung von geweben aufgrund gemessener garndaten und optimierungsverfahren - Google Patents
Vorrichtung zur optimierung von geweben aufgrund gemessener garndaten und optimierungsverfahrenInfo
- Publication number
- EP0979321A1 EP0979321A1 EP98925499A EP98925499A EP0979321A1 EP 0979321 A1 EP0979321 A1 EP 0979321A1 EP 98925499 A EP98925499 A EP 98925499A EP 98925499 A EP98925499 A EP 98925499A EP 0979321 A1 EP0979321 A1 EP 0979321A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weave
- real
- measuring
- measured
- fabric
- 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
- 239000004744 fabric Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims description 5
- 238000005457 optimization Methods 0.000 title description 4
- 238000011156 evaluation Methods 0.000 claims abstract description 12
- 230000027455 binding Effects 0.000 claims description 14
- 238000009739 binding Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 10
- 238000010972 statistical evaluation Methods 0.000 claims description 5
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims 1
- 238000009940 knitting Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- 238000004364 calculation method Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C19/00—Methods or devices concerned with designing or making patterns, not provided for in other groups of this subclass
- D03C19/005—Electronic
Definitions
- the present invention relates to a device for optimizing yarns and fabrics on the basis of measured yarn data, and to the associated optimization method.
- CAD systems are usually developed using CAD systems. These known CAD systems allow new fabrics to be developed by changing a large number of parameters. However, the basis for the calculation in CAD systems is always "ideal" yarn, i.e. Yarns whose diameter, fineness and tear strength are constant over the entire yarn.
- the object of the invention is to improve the systems for developing new fabrics and / or to optimize machine settings or processes in the manufacture of yarn.
- the device according to the invention it is possible to highlight thin or thick spots or nits by changing each intersection or to optically take a back seat.
- the optical effects achieved by irregular yarns are desired, and the fact that the weave can be freely defined makes it possible to underline the desired irregularities with the type of weave in question.
- the yarn diameter of the respective individual yarn is measured optoelectronically.
- a three-dimensional representation of the real fabric is calculated and visualized taking into account the individual measured values of the yarn. Any crossover can be changed - preferably via a schematic representation of the fabric on a screen and input using the keyboard or a mouse.
- the real fabric can in turn be visualized and changed until the desired design is obtained.
- the three-dimensional representation of the real fabric also saves considerable amounts of yarn, machines, electricity and working time, since it is no longer necessary to switch on the weaving machine to see what the real fabric looks like and to declare it as a committee if necessary.
- the combination of the binding input device with the free choice of the weaving density also contributes to the reduction of the scrap.
- Flg. 1 shows the structure of the device according to the invention for optimizing real tissues on the basis of measured gam data.
- the device 11 comprises a measuring device 12 which is used to measure the yarn diameter, a binding input device 13 in which the respective desired binding can be freely defined and also changed, a control and evaluation device 14 and a display device 16, in particular a screen.
- the measurement of the yarn diameter in the measuring device 12 takes place in the measuring head, which works on the absolutely measuring optical principle.
- the advantage of absolute optoelectronic measurement is that the measurement is insensitive to light source aging, ambient light, pollution, temperature and moisture and does not depend on the color, conductivity and gloss of the yarn to be measured. Even with such a measurement, no constant new calibration and input of parameters is required.
- measuring head that measures with an accuracy of 0.1 mm.
- measuring heads with an accuracy of at least 0.01 mm are preferred.
- the measuring device 12 includes a yarn feed and electronics.
- Such measuring heads are known in the prior art and are sold, for example, by BARCO / Belgium.
- the accuracy of the yarn diameter measurement is at least 1/100 mm.
- the diameter of the yarn should be measured at least every 2 mm.
- the measured values determined in the measuring device 12 are now transmitted to the evaluation device 14 via a parallel interface 19.
- the evaluation device 14 also controls the measuring device 12 via a serial interface 21.
- the device 14 is also connected to the device 13 for entering and changing freely definable bindings. Any possible type of crossing of the thread groups can be defined in the binding input device 13. These are preferably flat weaves. By accessing already defined bindings, this device enables an individual definition of each desired binding and a change of already existing bindings at any number of crossings. The easiest way to enter and change the respective binding is on a PC by marking the respective crossing points displayed on a screen, for example using a mouse or the keyboard.
- the binding input device 13 is preferably integrated in a computer together with the control and evaluation device 14.
- the three-dimensional representation of the real fabric is calculated in the device 14 on the basis of the freely defined weave and the measured yarn diameter.
- the representation takes place on a screen 16 connected to the evaluation device 14.
- An output device 17 can optionally be connected to the evaluation device 14.
- the measured data are visualized along room curves, taking into account the brightness curve (shadow effect) and color, and a covering calculation of the threads is carried out.
- light settings, camera position and focal length can be changed.
- the display on the screen is preferably carried out by parallel projection of the object using a 3D graphics library.
- other projections are also possible.
- the parameters of the weaving machine (fabric size) must also be entered and warp and weft threads assigned so that the calculated real fabric really corresponds to the result woven later.
- fabric size the parameters of the weaving machine
- individual weaves can now be changed in order to produce an individual fabric, in which specific thin spots, thick spots and / or nits are more emphasized or take a back seat by the individual way of crossing the threads in the fabric structure.
- the three-dimensional representation of the optimized real tissue can then be output on a printer or copier 17, preferably in color.
- the measured values can also be statistically evaluated.
- the statistical evaluation enables statements to be made about the quality of the yarns.
- the statistical functions should also include statistical analysis of the total sum of measurement series of individual yarns and / or freely definable and selectable individual measurements of yarns and mean values, standard deviations, variances and other statistical evaluations of the measured single yarns and / or Allow groups of yarns.
- a two-dimensional and / or three-dimensional graphic representation of the respectively desired statistical functions is also provided.
- the calculation and / or visualization of the fabric is also partially and / or completely provided with ideal yarns.
- the three-dimensional real fabric can also be displayed graphically in certain selectable colors, it being possible to assign a color to each yarn.
- the color selection for each desired real and / or ideal yarn is preferably carried out by entering the respectively desired red-green-blue values, so that freely definable and selectable colors are available.
- the device according to the invention also makes it possible - for example for the detection of periodic errors such as the moiree effect - to display and also print out the measured yarn in the form of a standard yarn chart in the standardized dimensions.
- the standard thread table is segmented into, for example, three segments, which allows the standard thread table to be segmented in the required manner even with a hardware-limited resolution high resolution to detect the periodic errors.
- knitted fabrics and knitted fabrics can also be entered and changed in the binding input device (13).
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19718562A DE19718562A1 (de) | 1997-05-02 | 1997-05-02 | Vorrichtung zur Optimierung von Geweben aufgrund gemessener Garndaten und Optimierungsverfahren |
| DE19718562 | 1997-05-02 | ||
| PCT/EP1998/002529 WO1998050613A1 (de) | 1997-05-02 | 1998-04-29 | Vorrichtung zur optimierung von geweben aufgrund gemessener garndaten und optimierungsverfahren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0979321A1 true EP0979321A1 (de) | 2000-02-16 |
| EP0979321B1 EP0979321B1 (de) | 2002-07-24 |
Family
ID=7828418
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97113207A Withdrawn EP0875611A1 (de) | 1997-05-02 | 1997-07-31 | Vorrichtung zur Optimierung von Geweben aufgrund gemessener Garndaten und Optimierungsverfahren |
| EP98925499A Revoked EP0979321B1 (de) | 1997-05-02 | 1998-04-29 | Vorrichtung zur optimierung von geweben aufgrund gemessener garndaten und optimierungsverfahren |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97113207A Withdrawn EP0875611A1 (de) | 1997-05-02 | 1997-07-31 | Vorrichtung zur Optimierung von Geweben aufgrund gemessener Garndaten und Optimierungsverfahren |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6928335B1 (de) |
| EP (2) | EP0875611A1 (de) |
| AU (1) | AU7759998A (de) |
| DE (2) | DE19718562A1 (de) |
| WO (1) | WO1998050613A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1306474A1 (de) * | 2001-10-23 | 2003-05-02 | Viktor Achter GmbH & Co KG | Flache leichte Geweben und deren Verwendung zur Herstellung von Sitzüberzügen |
| US7197371B2 (en) * | 2003-03-31 | 2007-03-27 | Shima Seiki Manufacturing, Ltd. | Method and device for knit design |
| US20060206232A1 (en) * | 2003-12-17 | 2006-09-14 | Tim Palmer | Method and Device for Recognizing Defects in Textile Structures |
| WO2017041191A1 (de) | 2015-09-10 | 2017-03-16 | Uster Technologies Ag | Vorhersage des aussehens einer textilen fläche |
| WO2017041193A1 (en) | 2015-09-10 | 2017-03-16 | Uster Technologies Ag | Prediction of the quality of a fabric |
| WO2017041192A1 (de) | 2015-09-10 | 2017-03-16 | Uster Technologies Ag | Vorhersage des aussehens einer textilen fläche |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8601696A (pt) * | 1985-04-18 | 1986-12-16 | Du Pont | Metodo de simulacao,por computador,das propriedades de aparencia de um tecido de malha de urdidura |
| DE3641816A1 (de) * | 1986-12-06 | 1988-06-16 | Robert Prof Dr Ing Massen | Verfahren und anordnung zur messung und/oder ueberwachung von eigenschaften von garnen und seilen |
| NL8701858A (nl) * | 1987-08-06 | 1989-03-01 | Sophis Systems Nv | Werkwijze voor het simuleren van gekleurd weefsel. |
| US4803531A (en) * | 1987-09-18 | 1989-02-07 | Tektronix, Inc. | Imaging charge-coupled device having an all parallel output |
| US5016183A (en) * | 1988-09-13 | 1991-05-14 | Computer Design, Inc. | Textile design system and method |
| EP0439659A1 (de) * | 1990-02-01 | 1991-08-07 | Iam - Institut Für Angewandte Mikroelektronik Gmbh | Verfahren und Vorrichtung zur Bildung von Textilmustern mit Effektgarnen auf eimen Wiedergabegerät |
| DE4018611C1 (de) * | 1990-06-11 | 1991-07-11 | Uwe 5657 Haan De Piegeler | |
| 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 |
| US6130746A (en) * | 1994-03-10 | 2000-10-10 | Lawson-Hemphill, Inc. | System and method for electronically evaluating predicted fabric qualities |
| EP0692562B1 (de) * | 1994-07-12 | 1999-09-15 | EAT Elektronische Ateliertechnik Textil GmbH | Verfahren zur wirklichkeitsgetreuen Simulation eines aus Kett- und Schüssfäden bestehenden realen Gewebes |
-
1997
- 1997-05-02 DE DE19718562A patent/DE19718562A1/de not_active Withdrawn
- 1997-07-31 EP EP97113207A patent/EP0875611A1/de not_active Withdrawn
-
1998
- 1998-04-29 US US09/423,179 patent/US6928335B1/en not_active Expired - Fee Related
- 1998-04-29 DE DE59804899T patent/DE59804899D1/de not_active Expired - Fee Related
- 1998-04-29 AU AU77599/98A patent/AU7759998A/en not_active Abandoned
- 1998-04-29 EP EP98925499A patent/EP0979321B1/de not_active Revoked
- 1998-04-29 WO PCT/EP1998/002529 patent/WO1998050613A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9850613A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0875611A1 (de) | 1998-11-04 |
| US6928335B1 (en) | 2005-08-09 |
| EP0979321B1 (de) | 2002-07-24 |
| AU7759998A (en) | 1998-11-27 |
| DE19718562A1 (de) | 1998-11-05 |
| WO1998050613A1 (de) | 1998-11-12 |
| DE59804899D1 (de) | 2002-08-29 |
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