EP0904436A1 - Wickelvorrichtung für fäden von spulengattern - Google Patents
Wickelvorrichtung für fäden von spulengatternInfo
- Publication number
- EP0904436A1 EP0904436A1 EP97922982A EP97922982A EP0904436A1 EP 0904436 A1 EP0904436 A1 EP 0904436A1 EP 97922982 A EP97922982 A EP 97922982A EP 97922982 A EP97922982 A EP 97922982A EP 0904436 A1 EP0904436 A1 EP 0904436A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threads
- thread
- winding device
- winding
- rods
- 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
- 238000004804 winding Methods 0.000 title claims abstract description 79
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 125000000524 functional group Chemical group 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 abstract description 9
- 238000013461 design Methods 0.000 description 7
- 238000007654 immersion Methods 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H13/00—Details of machines of the preceding groups
- D02H13/22—Tensioning devices
- D02H13/24—Tensioning devices for individual threads
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H13/00—Details of machines of the preceding groups
- D02H13/22—Tensioning devices
- D02H13/26—Tensioning devices for threads in warp form
Definitions
- the invention relates to a winding device for threads of V-gates, from the bobbins of which the threads are drawn off by pre-wrapping rods and by a comb and wound onto a winding tree of the wrapping device, the pre-wrapping rods near the winding device and more and less from it threads are wrapped and their degree of wrap is centrally adjustable, with at least one measuring device for determining thread tension in threads being arranged behind the comb in the running direction of the threads and the central adjustment of the pre-wrapping rods being controllable according to the measurement result.
- the winding device pulls off the threads from bobbins, which are attached to spools of bobbins of the creel. They have to be braked conventionally in order to generate the thread tension or thread tension required for proper winding.
- the thread running speeds can become so great that the braking of the threads when pulling them off the bobbins is no longer necessary.
- the air friction resistance of the thread can become so great that additional braking is not necessary. This applies in particular to V-gates.
- the thread pulling force achieved by the air friction resistance of the thread is dependent on the length of the thread between the winding point and the winding device.
- the threads that come from the end of the gate on the Winding device have a higher thread tension than the threads that come from the beginning of the gate.
- the pre-wrapping rods are used to compensate for these different thread tensile forces, in such a way that at the beginning of the gate there is a stronger wrapping of the rods by the threads, but a lower wrapping at the end of the gate. Accordingly, the thread tensile forces are influenced differently. In particular, the thread tensile forces of the threads running from the beginning of the gate are increased so that they are approximately the same size in all threads running onto the winding device.
- the influence of the thread tensile forces of the threads results from their friction on the pre-wrapping rods.
- the friction of the threads rubbing approximately tangentially on the pre-wrapping rods depends on their material and on the thread running speed. Even the use of the same material in a different thickness results in different thread tensile forces. It is then necessary to readjust the pre-wrapping rods in order to achieve an adjustment. Such adjustments are all the more difficult the more the threads differ in terms of material and speed. Automatic readjustment is not possible because the entire wrapping rod unit can only be adjusted in its entirety.
- the setting requirement is also given for different winding devices. It applies to all systems in which the threads to be wound are withdrawn without a thread brake by means of a thread clamp, which clamps the threads in the event of stoppage or thread breakage. Settings are also required if several winding trees are wound from a set of coils. Because of the decreasing bobbin diameter and the increased rotation of the thread around the bobbin, additional thread pulling forces arise. From the winding of one tree to the winding of the next tree, there is an increase in tensile force which must be compensated for, so that the winding diameter of the second tree does not become smaller than that of the first.
- a winding device with the features mentioned above is known from DE 9 306 680 U1.
- the invention is therefore based on the object of improving a winding device with the features mentioned at the outset in such a way that automatic adjustment of the pre-wrapping rods is made possible regardless of the material and the thread running speed of the thread in winding devices of different types.
- the pre-wrapping rods of at least one gate side of a gate are subdivided into function groups arranged one behind the other, at least one of which is associated with a measuring device for determining thread tension in threads of this group, and that a central adjustment of at least one group is associated with the measuring element result is controllable accordingly.
- a measurement is carried out on a winding device for threads of V-gates.
- This measurement for determining thread tension in threads allows the pre-wrapping rods to be automatically adjusted according to the measurement result.
- the preselected thread tension forces or the preselected thread tension ranges can be controlled and thus maintained, in particular in particular also during the winding operation of the V-gate.
- pre-wrapping rods are combined in functional groups.
- the thread tension per group can be determined and a group-wise control can then take place.
- the setting can be automated in such a way that the brakes of thread groups are braked differently.
- the friction of the threads on the pre-wrapping rods can be influenced accordingly, so that the same or at least approximately the same thread tensile forces are achieved in the thread groups.
- the thread pulling forces of the threads coming from the beginning of the gate can be better adapted to the thread pulling forces of the threads coming from the end of the gate if their material and running speeds are changed.
- the function-by-group control in particular also makes it possible to achieve an adjustment during the winding process, that is to say not only from winding section to winding section.
- a suitable structural design of the winding device is present when the measuring device is arranged in the thread running direction behind a thread collecting rod tanging from the creel.
- the thread collection brings all the incoming threads or a part thereof to a predetermined level, which makes it easier to measure the thread tensile forces of several threads.
- the design effort for the design of the measuring device is lower.
- the winding device can be designed so that the thread collecting rod is vertically adjustable and carries one or more measuring devices.
- the adjustability of the thread collecting rod enables adaptation to the respective thread feed conditions, with the measuring devices in particular also being moved accordingly.
- Individual settings of the measuring devices are not necessary, as are not special brackets for the measuring devices that are independent of the thread collecting rod.
- By adjusting the thread collecting rod consideration can be given to the measuring range of the measuring device.
- the winding device can be operated with different measuring devices.
- the measuring device is provided with a pressure measuring strip supporting a plurality of threads, each of which has an immersion lamella which plunges into the thread sheet at its ends.
- a pressure measuring strip supporting a plurality of threads, each of which has an immersion lamella which plunges into the thread sheet at its ends.
- an adjustable thread collecting rod there is an expedient detection of a part of the threads of the entire thread family.
- the measuring device supplies a measured value corresponding to this part for further control.
- the winding device can be designed such that a measuring device carries out tensile force measurement in at least part of the threads. Averaging is made possible which does not show any error formation occurring on the thread during an individual measurement. On the other hand, the metrological effort to detect all threads is avoided.
- the control can be carried out in different ways, in each case adapted to the control requirements. It is advantageous to design the winding device in such a way that the central adjustment can be controlled in the sense of an equality of the measurement results of all measuring devices and / or in the sense of predetermined thread tension forces.
- a control in the sense of the equality of the measurement results ensures the relative consideration of different thread tensile forces, without going into their size. That is sufficient in a variety of applications.
- threads that are particularly sensitive to thread tension, in which not only a compensation of the thread tension forces between the respective groups must be carried out in terms of quality, but also in terms of quantity, so that the control is carried out in the sense of predetermined thread tension forces, for example so taking into account maximum thread tension.
- pre-wrapping rods are divided into functional groups.
- the extent to which the pre-wrapping rods are divided into functional groups will be based on the accuracy requirements. It is possible to form a large number of function groups arranged one behind the other.
- a simple design of the winding device is provided if all the pre-wrapping rods on one side of the gate are divided into two function groups arranged one behind the other. With such a configuration of the winding device, rough differences in the thread tensile forces can be compensated for, the design effort being low.
- a particularly low construction effort is achieved if only that group of pre-wrapping rods can be centrally adjusted to which the measuring device is assigned.
- the further functional group can remain uncontrolled, for example the functional group with the higher thread tension, that is to say the functional group of the pre-wrapping rods for those threads that come from the end of the gate.
- FIG. 1 shows a schematic side view of a creel with a thread-pulling winding device
- FIG. 2 shows a top view of the arrangement of FIG. 1 in direction A
- FIG. 3 shows the detail X of FIG. 1, namely an enlarged schematic illustration of the thread run-up on an overflow roller of the winding device, 4 shows a partially sectioned top view in the region of a single winding unit, and FIG. 5 shows a schematic illustration of view B of FIG. 3.
- the coil creel 10 shown in FIGS. 1, 2 is a so-called V creel, from the two creel sides 10 'of which threads F run towards a winding device, namely a slip machine 11, from which the group of threads of threads F onto one Winding tree 21 is wound.
- the winding tree 21 has winding disks 21 ', between which a pressure roller 22 presses on the winding which is constantly increasing in diameter during winding.
- the winding process is controlled by a control panel 23 of the winding device, from which a shutdown can also take place if a thread F is broken.
- the coil gate 10 has a large number of gate springs 20, in which the coils 24 are arranged in rows and columns in a conventional manner.
- FIG. 2 schematically shows rotary gates 25, illustrated with dash-dotted rotating circles, which can be fitted from the interior 26 of the bobbin gate 10, while the threads F are drawn off on the outer sides of the gate sides 10 ' .
- each thread guide device 13 has a thread clamp 14 which is attached to a gate strut 26.
- the gate strut 26 is a component of the gate frame, which is not shown in any more detail, and the spools of which also carry the coils 24.
- the gate strut 26 is open on the side, so that a tubular piece-like housing 27 of the thread clamp 14 can be at least partially installed in the hollow interior 28.
- This housing has an external abutment 29 with which a clamping jaw 30, which is adjustable perpendicularly thereto in the plane of the illustration, cooperates.
- the clamping jaw 30 is held by a bolt 31 which is adjustable in the plane of representation or perpendicular to the gate strut 26 or to the housing 27 and which is guided in the housing 27 such that the clamping jaw 30 can only move in accordance with this guidance.
- clamping spring 32 which is supported on the one hand on the inside of the housing 27 and on the other hand on the bolt 31 so that the latter is drawn into the housing 27, provided that it is not influenced by a control ramp 33 which leads it into the position shown in FIG shown open position can press if it is set vertically to the display level accordingly.
- the clamping jaw 30 In this open position of the thread clamp 14, the clamping jaw 30 is so far away from the abutment 29 that the thread F can pass between the clamping jaw 30 and the abutment 29 without touching the thread clamp 14.
- the thread F also has no contact with the bolt 31 because it is arranged above it.
- the thread F passes through the thread clamp 14 up to a thread monitor needle 17 of the thread guide device 13.
- the thread monitor needle 17 is attached to the housing of the thread guide device 13 with a pivot bearing (not shown).
- the pivot bearing is located in the holder 36, which is firmly assembled with the housing 27.
- the thread monitor needle 17 also serves to deflect the thread F coming from the bobbin 24 to the winding device 11. If the thread F breaks, the thread monitor needle 17 can pivot and give a signal that the thread has broken .
- the thread F running from a bobbin passes through three pre-wrapping rods 15s, 15m and 15k. All pre-wrapping rods 15 are arranged parallel and vertically to one another. They therefore run parallel to the gate strut 26.
- the pre-wrapping rods 15s, 15k are fixedly attached orderly.
- the pre-wrapping rod 15m is adjustable in the directions 45. According to FIG. 4, it can be arranged such that the thread F forms a more or less large loop 38. The larger the loop, the greater the wrap of all the pre-wrapping rods 15, which leads to a corresponding increase in the friction of the thread F and thus to a corresponding increase in the thread tension.
- the greatest possible reduction in the size of the loop 38 can be achieved by moving the middle pre-wrapping rod 15m into the dot-dash position 15m '. There is then hardly any looping, which is sufficient, however, to hold the thread F on the rod 15k, so that a non-contact thread course in the area of the thread clamp 14 is ensured.
- the bars 15 are used in the creel 10 with different settings of their bars 15m.
- the position of the rod 15m shown in FIG. 4 is used in the area of coils 24 which are closest to the winding device 11, in which the free-running thread length is the shortest and thus the influence of the ambient air on the thread due to air friction least. Threads F from the area of the creel end are drawn off with an arrangement of wrapping rods 15, in which the middle rod assumes the position 15m ', so that the rods 15 have practically no influence on the thread tension developing in the thread F.
- the rods 15m can be adjusted so that they assume the position 15m ''. Then a bobbin change is possible, which is not hindered by the rod 15m. In this case, the rods 15s, 15k are also moved out of the position shown in FIG. 4 in order not to hinder a coil change.
- the position of all rods 15 can be controlled centrally. It is therefore possible to move all the rods 15 together.
- rods 15 are combined in functional groups 40, 40 '.
- Fig. 2 indicates for the lower gate side 10 'of the gate 10, which has two function groups arranged one behind the other. These therefore each include all rods 15 of the first three rotating frames 20 according to FIG.
- All rods 15m of a functional group 40 or 40 ' are coupled at their ends to adjustment bars 46 or 46', which in turn can be acted upon by servomotors 47 or 47 '.
- servomotors 47, 47 ' By actuating the servomotors 47, 47 'differently, it is possible, for example, to set the rods 15m of the function group 40 in the sense of the illustration in FIG. 4, while the rods 15m of the function group 40' are controlled into the position 15m '.
- the threads F of the first three fields 20 are tensioned more than the threads of those fields that are to be assigned to the functional groups 40.
- the two gate sides 10 'shown in FIG. 2 are divided into functional groups with respect to their rods 15 in the same way.
- the winding device 11 is also equipped with measuring devices 41.
- the measuring devices 41 are evenly distributed over the width B of the winding beam 21 or over the warp width B.
- This warp width B is, for example, the distance determined by the tree disks 21 '. All the threads F of the entire thread family are wound onto the tree 21 evenly distributed over this width B. For this purpose, they are fed to the winding tree 21 in an orderly manner. The orderly feed is first served by the comb 48, with which the threads F are kept arranged over the width B.
- the threads F run in an orderly manner via an overflow roller 100 to the winding 21 ′′ of the winding tree 21.
- 3 shows the highest and lowest positions of the threads F according to FIG. 1, which run together on the overflow roller 100.
- the thread position F 'starting from this is given at the start of the winding, where the threads F run directly onto the winding tree, while the position F''corresponds to the position of the thread. which is given with the winding 21 ′′ in a practically fully wound winding tree 21.
- a thread collecting rod 42 is arranged in the thread running direction between the comb 48 and the overflow roller 100. With this thread collecting rod 42, the thread sheet is brought at least to a level of the threads F running in from the low-lying winding points of the gate 10, so that a large number of threads of the entire thread sheet between the thread collecting rod 42 and the overflow roller 100 run in parallel.
- the measuring devices 41 detect the thread tensile forces.
- the measuring devices 41 are fastened with a holder 49 to the thread collecting rod 42 and have pressure measuring strips 43, on which the threads F rest. The number of threads lying there results between immersion slats 44, one of which is arranged at one end of a pressure measuring bar 43 and dips into the thread array, as can be seen from FIG.
- the pressure measuring bar 43 is loaded by the threads F located between two immersion lamellae 44 and a corresponding measurement result results from several threads F, which can be used in the sense of averaging to determine the thread tensile forces.
- the thread collecting rod can be adjusted in the directions of the double arrow 50, so that all pressure measuring strips 43 with their immersion lamellae 44 can be swung out of the thread area F and thus free thread running is not hindered .
- FIG. 5 shows that four measuring devices 41 are provided for the family of threads.
- two measuring devices 41 serve one of the two sides 10 'of the V-shaped gate 10.
- Each one two measuring devices 41 is assigned to a functional group 40 or 40'.
- the positions of all the pre-wrapping rods 15m of a function group 40 can be influenced, while the corresponding pre-wrapping rods 15m of the other function group 40 'is determined in accordance with the measurement result of the other of the two measuring devices 41.
- the setting can be made automatically.
- a control device (not shown) is used for this purpose, which utilizes the measurement results of the measuring devices 41 and accordingly acts on the actuators 47 and / or 47 '. Such an adjustment is also possible during winding operation.
- the measuring device with its thread collecting rod 42 can also be installed below the overflow roller 100.
- the device pivots automatically in accordance with the winding thickness increase of the coils 21 ''.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Warping, Beaming, Or Leasing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29608169U | 1996-05-06 | ||
| DE29608169U DE29608169U1 (de) | 1996-05-06 | 1996-05-06 | Wickelvorrichtung für Fäden von Spulengattern |
| PCT/EP1997/002307 WO1997042364A1 (de) | 1996-05-06 | 1997-05-06 | Wickelvorrichtung für fäden von spulengattern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0904436A1 true EP0904436A1 (de) | 1999-03-31 |
| EP0904436B1 EP0904436B1 (de) | 2002-01-30 |
Family
ID=8023584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97922982A Expired - Lifetime EP0904436B1 (de) | 1996-05-06 | 1997-05-06 | Wickelvorrichtung für fäden von spulengattern |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6109557A (de) |
| EP (1) | EP0904436B1 (de) |
| DE (2) | DE29608169U1 (de) |
| ES (1) | ES2173444T3 (de) |
| PT (1) | PT904436E (de) |
| WO (1) | WO1997042364A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258836A (zh) * | 2022-07-21 | 2022-11-01 | 嘉兴市炬辉织造科技股份有限公司 | 一种羊绒纱线用除静电装置和方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6126102A (en) * | 1998-11-10 | 2000-10-03 | E. I. Du Pont De Nemours And Company | Apparatus for high speed beaming of elastomeric yarns |
| ATE237013T1 (de) | 2000-05-17 | 2003-04-15 | Benninger Ag Maschf | Verfahren zum betrieb eines spulengatters und spulengatter für eine wickelanlage |
| EP1162295B1 (de) * | 2000-05-17 | 2009-10-21 | Karl Mayer Textilmaschinen AG | Verfahren zum Betrieb eines Spulengatters und Spulengatter für eine Wickelanlage |
| BE1027382B1 (nl) * | 2019-06-20 | 2021-01-28 | Vandewiele Nv | Een opstelling van een weefmachine en een garenvoorraadinrichting met een bijhorende garenspanningsinrichting |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE319477C (de) * | 1916-03-02 | 1920-10-07 | Elek Sche Spezialfabrik Fuer K | Ausgestaltung der Elektroden von der Kombination Pb O2-Zn bei Kippbatterien |
| GB405158A (en) * | 1932-05-14 | 1934-02-01 | Albert Perichard | Improvements in or relating to creels for yarn warping machines |
| US2542097A (en) * | 1948-07-10 | 1951-02-20 | American Viscose Corp | Creel tensioning device |
| US3072998A (en) * | 1959-10-21 | 1963-01-15 | American Enka Corp | Warper |
| DE2302282A1 (de) * | 1973-01-18 | 1974-07-25 | Sucker Geb | Aufwickelvorrichtung fuer bahnfoermiges gut |
| CH648610A5 (en) * | 1980-12-19 | 1985-03-29 | Benninger Ag Maschf | Bobbin creel for warping machines |
| DE3436714A1 (de) * | 1984-10-06 | 1986-04-17 | Hacoba Textilmaschinen Gmbh & Co Kg, 5600 Wuppertal | Spulengatter fuer zettel- oder schaermaschine und verfahren zur steuerung der fadenklemmen eines spulengatters |
| US4598184A (en) * | 1985-04-16 | 1986-07-01 | West Point Foundry And Machine Co. | Thread tension monitoring and clamping apparatus |
| US4646989A (en) * | 1985-05-22 | 1987-03-03 | Marlin Van Wilson | Tension control and yarn handling system for "V" type creels |
| JPS61275436A (ja) * | 1985-05-25 | 1986-12-05 | 馬場産業機械株式会社 | 整経機用クリ−ルの張力装置 |
| CH675598A5 (de) * | 1986-04-02 | 1990-10-15 | Benninger Ag Maschf | |
| CH674512A5 (de) * | 1987-12-03 | 1990-06-15 | Benninger Ag Maschf | |
| US4890368A (en) * | 1988-09-29 | 1990-01-02 | Reed-Chatwood, Inc. | Warper with tension isolator and tension controller |
| JPH02200834A (ja) * | 1989-01-31 | 1990-08-09 | Baba Sangyo Kikai Kk | 整経機の張力制御装置 |
| DE4105181C2 (de) * | 1990-05-14 | 2003-09-18 | Siegfried Hillenbrand | Vorrichtung und Verfahren zur Überwachung von Fäden, Drähten, Kabeln oder Bändern |
| JPH05222638A (ja) * | 1992-02-10 | 1993-08-31 | Kawamoto Seiki Kk | 整経クリールの張力調整装置 |
| DE9306680U1 (de) * | 1993-05-04 | 1993-07-01 | Hacoba Textilmaschinen Gmbh & Co Kg, 5600 Wuppertal | Spulengatter |
| EP0742297B1 (de) * | 1995-05-11 | 2001-11-28 | N.V. Michel Van de Wiele | Fadenspann- und Rückzugvorrichtung für eine Webmaschine |
-
1996
- 1996-05-06 DE DE29608169U patent/DE29608169U1/de not_active Expired - Lifetime
-
1997
- 1997-05-06 WO PCT/EP1997/002307 patent/WO1997042364A1/de not_active Ceased
- 1997-05-06 ES ES97922982T patent/ES2173444T3/es not_active Expired - Lifetime
- 1997-05-06 EP EP97922982A patent/EP0904436B1/de not_active Expired - Lifetime
- 1997-05-06 PT PT97922982T patent/PT904436E/pt unknown
- 1997-05-06 DE DE59706246T patent/DE59706246D1/de not_active Expired - Fee Related
- 1997-05-06 US US09/180,378 patent/US6109557A/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9742364A1 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258836A (zh) * | 2022-07-21 | 2022-11-01 | 嘉兴市炬辉织造科技股份有限公司 | 一种羊绒纱线用除静电装置和方法 |
| CN115258836B (zh) * | 2022-07-21 | 2023-03-24 | 嘉兴市炬辉织造科技股份有限公司 | 一种羊绒纱线用除静电装置和方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997042364A1 (de) | 1997-11-13 |
| ES2173444T3 (es) | 2002-10-16 |
| DE29608169U1 (de) | 1997-09-04 |
| EP0904436B1 (de) | 2002-01-30 |
| DE59706246D1 (de) | 2002-03-14 |
| US6109557A (en) | 2000-08-29 |
| PT904436E (pt) | 2002-07-31 |
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