EP1358120B1 - Kreuzwickelspule - Google Patents
Kreuzwickelspule Download PDFInfo
- Publication number
- EP1358120B1 EP1358120B1 EP02701234A EP02701234A EP1358120B1 EP 1358120 B1 EP1358120 B1 EP 1358120B1 EP 02701234 A EP02701234 A EP 02701234A EP 02701234 A EP02701234 A EP 02701234A EP 1358120 B1 EP1358120 B1 EP 1358120B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cross
- wound bobbin
- yarn
- cheese
- wound
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 33
- 238000000926 separation method Methods 0.000 claims description 27
- 235000013351 cheese Nutrition 0.000 claims description 23
- 239000011295 pitch Substances 0.000 claims description 15
- 230000001419 dependent effect Effects 0.000 claims description 4
- 239000004753 textile Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims 1
- 230000002829 reductive effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000007383 open-end spinning Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
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
- B65H55/00—Wound packages of filamentary material
- B65H55/04—Wound packages of filamentary material characterised by method of winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/06—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making cross-wound packages
-
- 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
- Cross-wound bobbins are supply bobbins from which a yarn is withdrawn which is fed to a yarn-consuming machine, for example a loom or a knitting machine.
- the cross-wound cheese of the cross-wound bobbin is self-supporting and does not require any end disks at the ends.
- the hold within the cross-wrap is achieved by winding the yarn at relatively high pitch helically, rather than close to tightness, as with a disk coil having end walls.
- the pitch of the helices is large, so that the thread crosses several times in the individual yarn layers and thus stabilizes the underlying layer. It forms, as it were, an enveloping surface for the underlying layer.
- the pitch angle or crossing angle with which the threads cross in the individual layers prevents that the threads between the individual turns of the underlying layer stipulatenge, as would be the case with a parallel winding.
- the thread forms at a turning point the transition from one to another position, or a helix to another.
- the reversal points at the two ends constantly change their position within the cross-wound to stabilize the front ends.
- the free accessibility of at least one front end of the cross-wound bobbin is needed to pull off the yarn overhead.
- the yarn is withdrawn from the top of the stationary cross-wound bobbin through a loop of thread.
- the thread eyelet is located at a distance from the withdrawal side of the cross-wound bobbin and lies on the axis of symmetry of the cross-wound bobbin.
- US-A-2,764,368 shows a cross-wound bobbin in which the yarn has a different pitch in the superposed winding layers.
- the bobbin is wound such that when over-the-head, which in the present case corresponds to peeling over the smaller diameter end, comparatively more yarn is obtained as the release point moves from the down side of the foot compared to the direction of movement of the release point from the foot side to the head side.
- Modern textile machines in particular weaving machines, have reached a speed that is limited by the feeding speed of the yarn.
- Fig. 1 illustrates schematically the deduction ratios of a known cross-wound bobbin 1.
- the cross-wound bobbin 1 consists of a cross-wound bobbin 2, which is wound on a tubular bobbin tube 3.
- the cross-winding 2 forms a thread or yarn 4.
- the yarn 4 is wound in layers by means of a known traversing device in turns. Two of these layers are shown schematically in partial detail. In one layer, the yarn 4 is denoted by 5 and in the other layer by 6. For example, be the layer 5, the radially inner layer or winding, while the layer 6 or winding is located radially further out.
- the one layer for example the layer 5, form the turns of the yarn 4 a left-hand screw, while the turns of the yarn in the layer 6 produce a right-hand screw.
- the pitch angles, with which the yarn 4 is wound, are measured in terms of magnitude relatively large compared to a plane 7, which is perpendicular to the longitudinal axis of the bobbin tube 3. That is the pitch height
- the screws forming the layers 5 and 6 are many times larger than the thickness of the yarn 4. In this way it is prevented that the turns of the one layer can constrain between the turns of the other layer and the turns of this layer press apart.
- the cross-wound bobbin 1 thus obtained forms a withdrawal side 8, which is a substantially flat annular surface.
- a withdrawal side 8 which is a substantially flat annular surface.
- the reversal points 9 are distributed as randomly as possible in the region of the withdrawal side, namely randomly distributed both in the circumferential direction and with a certain scattering width in the axial direction.
- the yarn 4 is withdrawn from the outer circumferential surface of the cross-wound bobbin 1 by an eyelet 11 which is axially spaced from the cross-wound bobbin 1 and lies on the axis of symmetry.
- the eyelet 11 is fixed in space.
- the cross-wound bobbin 1 also does not move during yarn withdrawal.
- a defined separation point is formed 12, viewed from the direction of the yarn 4 when deduction, the course of the yarn no longer corresponds to the course of the yarn within the cross-wound bobbin 1.
- the Abatesspünkt 12 runs in accordance with the helix, which forms the yarn 4 on the respective outer side of the cross-winding 2 in the circumferential direction, and at the same time moves the separation point 12 in the longitudinal direction of the cross-wound bobbin first
- the speed at which the separation point 12 rotates in the circumferential direction ie the angular velocity
- the angular velocity increases when, at a constant take-off speed, the winding diameter has decreased as a result of increasing yarn consumption.
- the yarn section rotates between the eyelet 11 and the separation point 12 about the imaginary axis formed by the eyelet 11 and the axis of symmetry of the cheese 2. Due to the rotation creates a centrifugal force, which tends to urge the withdrawn yarn piece radially outward.
- the free-flying yarn defines a space of revolution in the space, the point of which lies at the thread eye 11.
- the generatrix of this surface of revolution is the respective exposed part of the yarn 4, which describes a complicated space curve. Both the centrifugal force and the air resistance act on this free-flowing piece of yarn so that the yarn course does not form a simple line lying in one plane.
- the bounded by the free-flying piece of yarn space is referred to as a thread balloon.
- the outer diameter of the cross-wound bobbin 2 decreases. Since the thread withdrawal speed remains constant, the detachment point 12 must rotate faster to compensate for the reduction in length of thread along the circumference resulting from the reduction in diameter.
- the centrifugal force will be large enough to lift the yarn 4 from the top of the cheese 2 immediately following the separation point 12.
- Air resistance effects at the top of the cheese 2 will also have a corresponding influence here.
- the progressive thread consumption causes the diameter of the cross-wound package 2 to shrink progressively and the angular velocity of the detachment point 12 to continue to increase.
- the higher speed of the thread in the air causes the initially forming simple balloon to a so-called double balloon with two clearly recognizable voluminous balloon sections which are interconnected via a constriction.
- the associated course of the flying Garn flirts is shown in Fig. 2.
- the strength of a yarn obeys a bell-shaped distribution distributed around an average tensile strength value. Due to the scattering of the strength values, there are sections in the yarn which have a significantly higher breaking strength and vice versa but also sections which tear even at significantly smaller forces.
- the thread-consuming device by no means generates only a single constant force, but also here the force is distributed according to a bell curve be.
- Yarn breaks are to be expected in the region in which the Gaussian curve of the actually occurring force coincides with the strength distribution of the yarn, ie the region in which the two Gaussian curves form an intersection. The larger this area is, the greater the likelihood that the yarn will break on the side of yarn consumption, resulting in corresponding machine downtime.
- a very critical route that must pass through the yarn from the cross-wound bobbin to the finished textile structure is the withdrawal from the cross-wound bobbin 1 itself.
- Fig. 4 shows the course of the thread tension plotted against the winding diameter of the cross-wound bobbin 1.
- the unit of measure of the winding diameter are millimeters and the unit of measure of tensile force cN (grams).
- a strongly jagged upper curve 13 shows the progression of the maximum force occurring, in each case per 100 measured values.
- Below this is a dark-colored, tubular or band-shaped region 14, which illustrates the statistical standard deviation of the measured tensile force values. Approximately in the middle of this band is the statistical average of the tensile force occurring.
- the diagram is divided into zones numbered 1 to 6.
- the withdrawal of the yarn 4 from the cross-wound bobbin 1 starts at the maximum diameter of the cross-wound bobbin of about 280 mm. At this diameter, the angular velocity of the separation point 12 is too small for the centrifugal force to detach the yarn directly to the release point 12 from the top of the cross-wound bobbin 1.
- the yarn 4 grinds over the surface in this operating situation and produces relatively very high strain maxima, although the mean is relatively low, and also the standard deviation is not too large as band 14 indicates.
- the high tensile maxima are mainly due to the fact that the yarn 4 sliding on the surface gets entangled with the yarn layer over which it slides because the yarn surface is not smooth. It consists of individual fibers.
- zone 3 To the right of zone 3 is a clear increase in the maximum tension and also in the mean value.
- the balloon assumes even larger dimensions, which lead to higher tensile stresses due to greater centrifugal force.
- a randomized change occurs between the single balloon and the double balloon.
- zone 4 the situation finally reverses in favor of the double balloon, which suddenly reduces the centrifugal forces and thus also the tensile stresses that occur.
- Both the standard deviation and the occurring maximum stresses, ie the outliers of the voltage in the direction of very large values decrease abruptly.
- zone 5 With a diameter of less than 60 mm, a change to a triple balloon can be observed.
- the maximum force increases again relatively strong to collapse abruptly when the triple balloon has formed stationary.
- the individual layers are wound with different pitches of the helices. They are wound so that the withdrawn thread length is greater as the separation point moves from the head side to the foot side compared to the thread length which is withdrawn as the separation point moves from the foot side to the head side.
- the screw along which the separation point moves from the head side to the foot side has a much smaller pitch than the helix along which the separation point moves from the foot side toward the head side.
- the cross-wound bobbin according to the invention will clearly show the transition to the double balloon, which, as illustrated above, is more favorable with regard to the maximum stress occurring.
- the diameter range, over which a back and forth occurs between the single and the double balloon. be significantly reduced. Smaller areas correspondingly reduce the likelihood of yarn breakage.
- the constant sway between the sliding thread take-off and the free-running thread take-off in the cross-wound bobbin according to the invention is reduced to a much smaller diameter range.
- a stationary flying balloon will be formed even at much larger outer diameters of the cheese, starting at the separation point.
- the invention allows a higher take-off speed.
- pitches of the helices within the cross-wound can be controlled within certain limits, when the folding into the other type of withdrawal or conformation of the balloon occurs, i. when irreversibly takes place the change from the sliding detachment to the free-floating detachment after the separation point, or the double balloon or the triple balloon.
- Fig. 5 the cross-wound bobbin 1 according to the invention is shown very schematically.
- the cross-wound bobbin 1 shows the same basic structure as cross-wound bobbin 1 according to the prior art. It has a bobbin tube 3, on which the cross-wound bobbin 2 is applied.
- the course of the yarn 4 on the top of the cross-winding 2 is illustrated schematically.
- deducting the indicated flow point 12 moves in the upper visible yarn layer in the direction of an arrow 15 from the foot 16 to the trigger or head 8.
- the situation forms a right-hand screw.
- the detachment point 12 changes to the position underneath, where the detachment point 12 '(provided with an apostrophe because it is in the next position) is moved in the direction of the arrow 17.
- This layer contains the yarn 4 in a left-hand screw.
- the detachment point 12 'performs 2.5 turns as it moves from the head or withdrawal side 8 to the foot side 16 and only approximately one movement during the movement from the foot 16 to the withdrawal side 8
- the turns ratio would be 1 to 2.5.
- other turns ratios up to 1:10, preferably 1: 5 are conceivable and, depending on the thread ratios, provide improved values of the peel force compared to a cross-wound bobbin in which the turn ratio in the successive layers is 1: 1.
- Winding ratio is here understood to be the number of turns in which the yarn is wound on the way from the foot side to the head side, compared with the number of turns which describes the yarn in the opposite way.
- the amount of angle ⁇ that yarn 4 is capable of with the right-hand screw with the plane 7 is greater than the amount of angle .beta. Which the yarn 4 is able to engage with the level-7 left-hand screw.
- the cross-wound bobbin 1 according to FIG. 5 is manufactured according to the same criteria as usual. It is desirable to avoid accumulation of material due to the reversal point 9 on both the withdrawal side 8 and the base 16. It is also desirable to align the thread path, based on the next layer with the same sense of winding, as random as possible in order to avoid Moiré Strukturen or regularities, which leads to disturbances.
- the cross-wound bobbin 1 can also be designed by suitable winding so that its cone angle varies depending on the diameter or, for example, towards the end, i. at small diameters turns into a cylindrical shape. It would also be conceivable to produce a cross-wound bobbin 1, in which the cross-wound bobbin 2 is initially cylindrical following the withdrawal side 8 and then merges into a frusto-conical region. It is thus approximated hyperboloid.
- the cross-winding can also be cylindrical over the entire length and all diameters, as is customary today.
- gear ratio 1 1 prior art 1: 2 1: 2.5 1: 3 maximum strength 25 cN 18 cN 11 cN 17 cn standard deviation ⁇ 5 cN ⁇ 4 cN ⁇ 3 cN ⁇ 4 cN Average 6 cN 5 cN 3 cN 5 cN
- gear ratio 1 1 prior art 1: 2 1: 2.5 1: 3 maximum strength 35 cN 18 cN 15 cN 12 cN standard deviation ⁇ 6 cN ⁇ 4 cN ⁇ 3 cN ⁇ 2 cN Average 7 cN 4 cN 4 cN 2 cN
- the pitch angles ⁇ and ⁇ may be constant except for the edge areas on the take-off side 8 and the foot 6 side. You can also talk about the axial length On the other hand, they can also be dependent on the radial distance. Finally, it is conceivable to produce a conical angle which increases towards the full coil by providing windings in the interior of the cross-wound, with respect to the radial extent, which do not have the full axial length, ie windings are produced which, for example, proceed from the foot 16 only to about half the length of the cross-winding 2 rich.
- the helices in which the yarn is wound have different pitch in adjacent layers.
- the winding ratios are selected such that the amount withdrawn is greater when the release point moves from the withdrawal side to the base side as compared to the withdrawn amount as the separation point moves from the foot side to the withdrawal side.
Landscapes
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10104463 | 2001-02-01 | ||
DE10104463A DE10104463A1 (de) | 2001-02-01 | 2001-02-01 | Kreuzwickelspule |
PCT/DE2002/000250 WO2002060800A1 (de) | 2001-02-01 | 2002-01-25 | Kreuzwickelspule |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1358120A1 EP1358120A1 (de) | 2003-11-05 |
EP1358120B1 true EP1358120B1 (de) | 2007-01-17 |
Family
ID=7672449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02701234A Expired - Lifetime EP1358120B1 (de) | 2001-02-01 | 2002-01-25 | Kreuzwickelspule |
Country Status (7)
Country | Link |
---|---|
US (1) | US7246764B2 (zh) |
EP (1) | EP1358120B1 (zh) |
JP (1) | JP4323168B2 (zh) |
KR (1) | KR20030076639A (zh) |
CN (1) | CN1254428C (zh) |
DE (2) | DE10104463A1 (zh) |
WO (1) | WO2002060800A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013003286A1 (de) | 2013-02-26 | 2014-08-28 | Saurer Germany Gmbh & Co. Kg | Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004004926B4 (de) * | 2004-01-31 | 2008-06-05 | Festo Ag & Co. | Steuerungsmodul für eine Faden-Aufwickelvorrichtung |
DE102004010824A1 (de) * | 2004-02-27 | 2005-09-15 | Wilhelm Stahlecker Gmbh | Kreuzwickelspule und Verfahren zur Herstellung |
DE102004057389A1 (de) * | 2004-11-26 | 2006-06-01 | Deutsche Institute für Textil- und Faserforschung Stuttgart | Verfahren und Vorrichtung zum Umspulen von Fadenzulieferspulen |
DE102004048913A1 (de) * | 2004-10-06 | 2006-04-13 | Deutsche Institute für Textil- und Faserforschung | Verfahren und Vorrichtung zum Umspulen von Fadenzulieferspulen |
US9751717B2 (en) | 2010-04-07 | 2017-09-05 | Dsm Ip Assets B.V. | Package with high young's modulus yarn and method for winding the yarn package |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD20293A (zh) * | ||||
DE35812C (de) * | A. LEUPOLD in Dresden, Marienstrafse 1 | Konstruktion von Solenoiden | ||
US1647535A (en) * | 1926-11-02 | 1927-11-01 | Foster Machine Co | Wound package and method of producing the same |
US2267983A (en) * | 1938-05-14 | 1941-12-30 | Ind Rayon Corp | Manufacture of cross-wound thread packages |
US2539942A (en) * | 1947-03-24 | 1951-01-30 | American Enka Corp | Production of cross wound bobbins |
US2764368A (en) * | 1952-10-31 | 1956-09-25 | British Celanese | Yarn winding |
CH603469A5 (zh) * | 1975-11-05 | 1978-08-15 | Rieter Ag Maschf | |
US4586679A (en) * | 1984-02-06 | 1986-05-06 | Toray Industries, Inc. | Yarn package of carbon filament yarn |
JPS6151465A (ja) * | 1984-08-16 | 1986-03-13 | Teijin Ltd | 仮撚捲縮糸のチ−ズパツケ−ジ |
EP0244653B1 (en) * | 1986-04-09 | 1994-07-13 | Asahi Kasei Kogyo Kabushiki Kaisha | Winder of synthetic yarn, cheese-like yarn package of synthetic yarn, and method for winding the same |
DE3627879C2 (de) * | 1986-08-16 | 1995-09-28 | Barmag Barmer Maschf | Verfahren zum Aufwickeln von Fäden |
JPH03128866A (ja) * | 1989-10-16 | 1991-05-31 | Murata Mach Ltd | 綾振ドラム |
JP2560918B2 (ja) * | 1990-12-28 | 1996-12-04 | 村田機械株式会社 | トラバース装置 |
DE4313113A1 (de) * | 1992-04-24 | 1993-10-28 | Barmag Barmer Maschf | Asymmetrische Fadenspule |
JPH06151465A (ja) * | 1992-11-10 | 1994-05-31 | Toshiba Corp | 半導体素子 |
JP2881678B2 (ja) * | 1994-02-16 | 1999-04-12 | ヨット糸業有限会社 | 巻糸体並びに巻糸体の製造装置 |
JPH10167564A (ja) * | 1996-12-05 | 1998-06-23 | Toray Ind Inc | 炭素繊維パッケージおよび炭素繊維梱包体 |
DE10021963A1 (de) * | 1999-05-14 | 2000-12-21 | Barmag Barmer Maschf | Verfahren und Vorrichtung zum Aufwickeln eines kontinuierlich zulaufenden Fadens |
-
2001
- 2001-02-01 DE DE10104463A patent/DE10104463A1/de not_active Ceased
-
2002
- 2002-01-25 EP EP02701234A patent/EP1358120B1/de not_active Expired - Lifetime
- 2002-01-25 JP JP2002560959A patent/JP4323168B2/ja not_active Expired - Fee Related
- 2002-01-25 US US10/467,035 patent/US7246764B2/en not_active Expired - Fee Related
- 2002-01-25 WO PCT/DE2002/000250 patent/WO2002060800A1/de active IP Right Grant
- 2002-01-25 CN CNB028074475A patent/CN1254428C/zh not_active Expired - Fee Related
- 2002-01-25 DE DE50209280T patent/DE50209280D1/de not_active Expired - Lifetime
- 2002-01-25 KR KR10-2003-7010053A patent/KR20030076639A/ko active Search and Examination
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013003286A1 (de) | 2013-02-26 | 2014-08-28 | Saurer Germany Gmbh & Co. Kg | Verfahren zum Betreiben einer Arbeitsstelle einer Kreuzspulen herstellenden Textilmaschine |
Also Published As
Publication number | Publication date |
---|---|
CN1500060A (zh) | 2004-05-26 |
JP2004533981A (ja) | 2004-11-11 |
JP4323168B2 (ja) | 2009-09-02 |
KR20030076639A (ko) | 2003-09-26 |
US20040104290A1 (en) | 2004-06-03 |
DE50209280D1 (de) | 2007-03-08 |
DE10104463A1 (de) | 2002-09-12 |
US7246764B2 (en) | 2007-07-24 |
CN1254428C (zh) | 2006-05-03 |
EP1358120A1 (de) | 2003-11-05 |
WO2002060800A1 (de) | 2002-08-08 |
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