EP0151367B1 - Sz-stranding device for electrical cables or lines - Google Patents

Sz-stranding device for electrical cables or lines Download PDF

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Publication number
EP0151367B1
EP0151367B1 EP84730148A EP84730148A EP0151367B1 EP 0151367 B1 EP0151367 B1 EP 0151367B1 EP 84730148 A EP84730148 A EP 84730148A EP 84730148 A EP84730148 A EP 84730148A EP 0151367 B1 EP0151367 B1 EP 0151367B1
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EP
European Patent Office
Prior art keywords
stranding
plate
perforated guide
storage tube
tube
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
Application number
EP84730148A
Other languages
German (de)
French (fr)
Other versions
EP0151367A3 (en
EP0151367A2 (en
Inventor
Wolfgang Ing. Grad. Dzyck
Bernd Hoppe
Martin Ing. Grad. Loczenski
Ulrich Dipl.-Ing. Oestreich
Dieter Dipl.-Ing. Vogelsberg
Fred Wolf
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to AT84730148T priority Critical patent/ATE28531T1/en
Publication of EP0151367A2 publication Critical patent/EP0151367A2/en
Publication of EP0151367A3 publication Critical patent/EP0151367A3/en
Application granted granted Critical
Publication of EP0151367B1 publication Critical patent/EP0151367B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • H01B13/0235—Stranding-up by a twisting device situated between a pay-off device and a take-up device
    • H01B13/0242—Stranding-up by a twisting device situated between a pay-off device and a take-up device being an accumulator
    • H01B13/025—Stranding-up by a twisting device situated between a pay-off device and a take-up device being an accumulator of tubular construction

Definitions

  • the invention relates to a device for SZ stranding for electrical cables or lines with the help of a fixed guide perforated disc (laying disc) and a reversing driven stranding disk, the stranding elements being arranged along a concentric to the stranding disk, extending from the guide perforated disk to the stranding disk a tubular storage device operated at a speed different from the stranding disk are fed to the stranding disk, and with additional guide perforated disks arranged in the course of the tubular storage device.
  • SZ stranding devices in which the processes and the fume cupboards are firmly in the room, are becoming increasingly important in cable manufacturing technology for a number of reasons.
  • a device for SZ stranding as described in DE-C 682 267, has proven itself even today.
  • the machine known from this publication which is also referred to as a tube storage stranding machine, works with a reversing driven stranding disk, to which the stranding elements are fed via a tube store.
  • a machine of this type is dealt with in DE-U-71 13 979. From this, the separate drive of the stranding disk and the tube storage is known, while from AT-B-278 129 the separate drive shows several sheaves.
  • the individual elements When stranding with a tube storage machine of this type, the individual elements are partially applied in a spiral shape to the outer surface of the tube storage unit and are pulled off from there again with the aid of a trigger. Because the elements are pulled over the tube storage during this process, the lowest possible coefficient of friction is aimed for in order to keep the tensile stress on the stranding elements low.
  • n is the speed of the stranding disk.
  • the stranded material at the beginning and at the end of the tube store has only half the speed difference compared to the tube store, while in the middle it even agrees with respect to the speed.
  • the invention is based on the object of adapting a known device of the aforementioned type even better to practical conditions.
  • the additional guide perforated disc (s) is (are) rotatably mounted with respect to the storage tube.
  • the additional guide perforated disk (s) can be coupled to the stranding disk via a common drive such that the stranding disk and the individual guide perforated disks can be operated at different speeds. This ensures a sufficiently precise angle synchronization between the stranding disk and the guide perforated disk with simple means. Experience has shown that the moments of inertia of this perforated disc combination can be made so small that it is possible to reverse the stranding disc in a very short time.
  • the intermediate guide perforated disks help to distribute the twist strands more evenly on the tube storage and absorb the centrifugal stress on the stranded material.
  • the tube storage can also be stored between the stranding and laying disc and can therefore be operated at higher speeds.
  • the tube storage can be assigned its own drive. It will preferably use the drive of the stranding disk with the interposition of a gear.
  • stranding disk 10 which is driven in a reversing manner by the drive 11 and of a tube store 20 which extends approximately between the stranding disk 10 and a washer 15.
  • the device is stored in the area of the stranding and laying disc, but is not included in the figure for a better overview of the illustration.
  • the stranding elements 8 belonging to the core layer are guided through the tube store, while the stranding elements 9 which are to be newly applied are guided by the laying disc 15 along the surface of the tube store 20 of the stranding disk.
  • the direction of manufacture is indicated by arrow 12.
  • An additional perforated guide disk 30 is provided approximately in the middle of the tube store and can be operated independently of the tube store (see FIG. 2).
  • This additional guide perforated disk 30 is driven by the drive 11 of the stranding disk with the interposition of a suitable gear 31.
  • the drive 21 of the tube store 20 is also operated, namely also with the interposition of a suitable gear 22.
  • FIG. 2 the area of the tube store 20 with the additional guide perforated disk 30 is shown enlarged in a detailed representation of FIG. 1.
  • the tube store 20 is additionally supported in its central region via the perforated guide disk 30.

Abstract

1. A device for the BZ-stranding of electrical cables or leads with the aid of a stationary perforated guide plate (laying plate) (15) and a stranding plate (10) driven in reverse, in which the stranding elements (9) are fed to the stranding plate (10) along a storage tube (20) disposed concentrically with the stranding plate (10), extending from the perforated guide plate (laying plate) (15) to the stranding plate (10) and driven at a different speed to the stranding plate (10), and with additional perforated guide plates (30) disposed in the line of the storage tube (20), characterised in that the additional perforated guide plate or plates (30) is or are mounted free to rotate relative to the storage tube (20).

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum SZ-Verseilen für elektrische Kabel oder Leitungen mit Hilfe einer feststehenden Führungslochscheibe (Legescheibe) und einer reversierend angetriebenen Verseilscheibe, wobei die Verseilelemente längs einem konzentrisch zu der Verseilscheibe angeordneten, von der Führungslochscheibe bis zur Verseilscheibe reichenden, mit einer von der Verseilscheibe abweichenden Drehzahl betriebenen Rohrspeicher der Verseilscheibe zugeführt werden, und mit im Zuge des Rohrspeichers angeordneten zusätzlichen Führungslochscheiben.The invention relates to a device for SZ stranding for electrical cables or lines with the help of a fixed guide perforated disc (laying disc) and a reversing driven stranding disk, the stranding elements being arranged along a concentric to the stranding disk, extending from the guide perforated disk to the stranding disk a tubular storage device operated at a speed different from the stranding disk are fed to the stranding disk, and with additional guide perforated disks arranged in the course of the tubular storage device.

SZ-Verseilvorrichtungen, bei denen die Abläufe und die Abzüge fest im Raume stehen, gewinnen aus einer Reihe von Gründen in der Kabelfertigungstechnik immer mehr an Bedeutung. In manchen Füllen bewährt sich auch heute noch eine Vorrichtung zum SZ-Verseilen, wie sie in der DE-C 682 267 beschrieben ist. Die aus dieser Druckschrift bekannte Maschine, die auch als Rohrspeicherverseilmaschine bezeichnet wird, arbeitet mit einer reversierend angetriebenen Verseilscheibe, der die Verseilelemente über einen Rohrspeicher zugeführt werden.SZ stranding devices, in which the processes and the fume cupboards are firmly in the room, are becoming increasingly important in cable manufacturing technology for a number of reasons. In some cases, a device for SZ stranding, as described in DE-C 682 267, has proven itself even today. The machine known from this publication, which is also referred to as a tube storage stranding machine, works with a reversing driven stranding disk, to which the stranding elements are fed via a tube store.

Eine Maschine dieser Art wird in DE-U- 71 13 979 behandelt. Daraus ist auch der getrennte Antrieb der Verseilscheibe und des Rohrspeichers bekannt, während aus der AT-B-278 129 der getrennte Antrieb mehrere Legescheiben zu entnehmen ist.A machine of this type is dealt with in DE-U-71 13 979. From this, the separate drive of the stranding disk and the tube storage is known, while from AT-B-278 129 the separate drive shows several sheaves.

Bei der Verseilung mit einer solchen Rohrspeichermaschine werden die einzelnen Elemente zum Teil wendelförmig auf die äußere Oberfläche des Rohrspeichers aufgebracht und von dort mit Hilfe eines Abzugs wieder abgezogen. Weil die Elemente bei diesem Vorgang über den Rohrspeicher gezogen werden, wird für ihn ein möglichst geringer Reibwert angestrebt, um die Zugspannung auf die Verseilelemente niedrig zu halten.When stranding with a tube storage machine of this type, the individual elements are partially applied in a spiral shape to the outer surface of the tube storage unit and are pulled off from there again with the aid of a trigger. Because the elements are pulled over the tube storage during this process, the lowest possible coefficient of friction is aimed for in order to keep the tensile stress on the stranding elements low.

Die beim Durchlaufen der SZ-Verseilvorrichtung aufzubringenden Zugkräfte steigen erfahrungsgemäß überproportional mit dem Winkel an, mit dem die Verseilelemente das Rohr umschlingen. Bei ungleichmäßiger Verteilung der Umschlingungen in Längsrichtung müssen deshalb besonders große Kräfte überwunden werden, die zu Abrissen führen können. Deshalb ist man daran interessiert, die Umschlingungen gleichmäßig über den Rohrspeicher zu verteilen. Hinzu kommt, daß die Verseilelemente, wenn sie sich um den Rohrspeicher gelegt haben, einen "Würgeeffekt" auf diesen Körper ausüben und damit die Reibung noch erhöhen.Experience has shown that the tensile forces to be applied when passing through the SZ stranding device increase disproportionately with the angle at which the stranding elements wrap around the tube. If the wraps are distributed unevenly in the longitudinal direction, particularly large forces must be overcome, which can lead to tearing. Therefore, one is interested in distributing the wraps evenly over the pipe storage. In addition, the stranding elements, when they have wrapped themselves around the tube store, exert a "choking effect" on this body and thus increase the friction even more.

Um hier Abhilfe zu schaffen, ist es bekannt, die Verseilscheibe und den Rohrspeicher getrennt anzutreiben, so daß man beispielsweise den Rohrspeicher etwa mit der halben Drehzahl der Verseilscheibe betreiben kann (DE-C-31 23 171).In order to remedy this, it is known to drive the stranding disk and the tube storage separately so that, for example, the tube storage can be operated at about half the speed of the stranding disk (DE-C-31 23 171).

Bei einem so betriebenen Rohrspeicher steigt die Drehzahl vom Einlaufen eines Verseilelementes auf den Rohrspeicher bis zur Verseilscheibe von null auf n an, wobei n die Drehzahl der Verseilscheibe ist. Bei einem so betriebenen Rohrspeicher weist das Verseilgut am Anfang und am Ende des Rohrspeichers nur die halbe Drehzahldifferenz gegenüber dem Rohrspeicher auf, während es in seiner Mitte bezüglich der Drehzahl sogar übereinstimmt. In diesem Zusammenhang ist es auch bekannt (DE-C-31 23 171), etwa im Bereich der Drehzahlübereinstimmung eine starr mit dem Rohrspeicher verbundene Führungslochscheibe vorzusehen.In a tube store operated in this way, the speed increases from zero to n from the entry of a stranding element on the tube store to the stranding disk, where n is the speed of the stranding disk. In a tube store operated in this way, the stranded material at the beginning and at the end of the tube store has only half the speed difference compared to the tube store, while in the middle it even agrees with respect to the speed. In this context, it is also known (DE-C-31 23 171) to provide a guide perforated disk rigidly connected to the tube store, for example in the area of the speed matching.

Der Erfindung liegt nun die Aufgabe zugrunde, eine bekannte Vorrichtung der zuvor erwähnten Art noch besser den praktischen Bedingungen anzupassen.The invention is based on the object of adapting a known device of the aforementioned type even better to practical conditions.

Zur Lösung dieser Aufgabe wird gemäß der Erfindung vorgeschlagen, daß die zusätzliche(n) Führungslochscheibe(n) gegenüber dem Speicherrohr drehbar gelagert ist (sind).To achieve this object, it is proposed according to the invention that the additional guide perforated disc (s) is (are) rotatably mounted with respect to the storage tube.

Auf diese Weise kann man auch in Ausgestaltung der Erfindung die zusätzliche(n) Führungslochscheibe(n) mit der Verseilscheibe derart über einen gemeinsamen Antrieb koppeln, daß die Verseilscheibe und die einzelnen Führungslochscheiben mit unterschiedlicher Drehzahl betreibbar sind. Dadurch wird mit einfachen Mitteln eine hinreichend genaue Winkelsynchronisation zwischen Verseilscheibe und Führungslochscheibe sichergestellt. Erfahrungsgemäß lassen sich dabei die Trägheitsmomente dieser Lochscheibenkombination so klein machen, daß ein Umsteuern der Verseilscheibe in sehr kurzer Zeit möglich ist.In this way, in an embodiment of the invention, the additional guide perforated disk (s) can be coupled to the stranding disk via a common drive such that the stranding disk and the individual guide perforated disks can be operated at different speeds. This ensures a sufficiently precise angle synchronization between the stranding disk and the guide perforated disk with simple means. Experience has shown that the moments of inertia of this perforated disc combination can be made so small that it is possible to reverse the stranding disc in a very short time.

Zwar ist die Verwendung mehrerer gemeinsam in einem bestimmten Drehzahlverhältnis angetriebener Lochscheiben an sich bekannt (AT-B 278 129), aber die bekannte Anordnung vvon derartigen Lochscheiben arbeitet nicht mit einem Rohrspeicher zusammen.Although the use of several perforated disks which are driven together at a certain speed ratio is known per se (AT-B 278 129), the known arrangement of such perforated disks does not work together with a tube store.

Die zwischengeschalteten Führungslochscheiben tragen wie bisher dazu bei, die Verseilschläge auf dem Rohrspeicher gleichmäßiger zu verteilen und die Zentrifugalbeanspruchung des Verseilgutes aufzunehmen. Außerdem kann der Rohrspeicher zusätzlich zwischen Verseil- und Legescheibe gelagert und daher mit höheren Drehzahlen betrieben werden.The intermediate guide perforated disks, as before, help to distribute the twist strands more evenly on the tube storage and absorb the centrifugal stress on the stranded material. In addition, the tube storage can also be stored between the stranding and laying disc and can therefore be operated at higher speeds.

In weiterer Ausgestaltung der Erfindung kann man dem Rohrspeicher einen eigenen Antrieb zuordnen. Dabei wird man vorzugsweise den Antrieb der Verseilscheibe unter Zwischenschaltung eines Getriebes verwenden.In a further embodiment of the invention, the tube storage can be assigned its own drive. It will preferably use the drive of the stranding disk with the interposition of a gear.

Die Erfindung wird anhand eines in der Zeichnung schematisch dargestellten und nachfolgend beschriebenen Ausführungsbeispieles im einzelnen erläutert. In der Zeichnung zeigt

  • Fig. 1 ein Schemabild einer Rohrspeicherverseilmaschine
  • Fig. 2 ein Detail der Figur 1, nämlich die Lagerung des Rohrspeichers im Bereich der zusätzlichen Führungslochscheibe.
The invention is explained in detail with reference to an exemplary embodiment schematically shown in the drawing and described below. In the drawing shows
  • Fig. 1 is a schematic image of a tube storage stranding machine
  • Fig. 2 shows a detail of Figure 1, namely the storage of the tube storage in the area of the additional guide perforated disc.

Um die Darstellung zu vereinfachen, ist in den Figuren nur ein entlang der Oberfläche des Rohrspeichers geführtes Verseilelement 9 eingezeichnet.In order to simplify the illustration, only one stranding element 9 guided along the surface of the tube store is shown in the figures.

Die Vorrichtung zum SZ-Verseilen gemäß Fig. 1 besteht aus einer vom Antrieb 11 reversierend angetriebenen Verseilscheibe 10 und aus einem Rohrspeicher 20, der sich etwa zwischen der Verseilscheibe 10 und einer Legescheibe 15 erstreckt. Die Lagerung der Vorrichtung erfolgt im Bereich der Verseil- und der Legescheibe, ist aber zur besseren Übersicht der Darstellung nicht in die Figur aufgenommen. Durch den Rohrspeicher werden die zur Kernlage gehörenden Verseilelemente 8 geführt, während die neu aufzübrinenden Verseilelemente 9 von der Legescheipe 15 enttang der Oberfläche des Rohrspeichers 20 der Verseilscheibe geleitet werden. Die Fertigungsrichtung ist durch den Pfeil 12 gekennzeichnet.1 consists of a stranding disk 10 which is driven in a reversing manner by the drive 11 and of a tube store 20 which extends approximately between the stranding disk 10 and a washer 15. The device is stored in the area of the stranding and laying disc, but is not included in the figure for a better overview of the illustration. The stranding elements 8 belonging to the core layer are guided through the tube store, while the stranding elements 9 which are to be newly applied are guided by the laying disc 15 along the surface of the tube store 20 of the stranding disk. The direction of manufacture is indicated by arrow 12.

Etwa in der Mitte des Rohrspeichers ist eine zusätzliche Führungslochscheibe 30 vorgesehen, die gegenüber dem Rohrspeicher (siehe Fig. 2) unabhängig betreibbar ist. Der Antrieb dieser zusätzlichen Führungslochscheibe 30 erfolgt vom Antrieb 11 der Verseilscheibe unter Zwischenschaltung eines geeigneten Getriebes 31. Wie dieser Antrieb wird auch der Antrieb 21 des Rohrspeichers 20 betrieben, nämlich ebenfalls unter Zwischenschaltung eines geeigneten Getriebes 22.An additional perforated guide disk 30 is provided approximately in the middle of the tube store and can be operated independently of the tube store (see FIG. 2). This additional guide perforated disk 30 is driven by the drive 11 of the stranding disk with the interposition of a suitable gear 31. Like this drive, the drive 21 of the tube store 20 is also operated, namely also with the interposition of a suitable gear 22.

In Fig. 2 ist in einer Detaildarstellung zur Figur 1 der Bereich des Rohrspeichers 20 mit der zusätzlichen Führungslochscheibe 30 vergrößert dargestellt. Die gegenüber dem Rohrspeicher 20 mittels des Lagers 32 drehbare Führungslochscheibe 30 ist über das Lager 33 in einem Lagerbock 34 gelagert. Über die Führungslochscheibe 30 ist auch der Rohrspeicher 20 in seinem Mittelbereich zusätzlich gelagert.In FIG. 2, the area of the tube store 20 with the additional guide perforated disk 30 is shown enlarged in a detailed representation of FIG. 1. The guide perforated disk 30, which can be rotated relative to the tube store 20 by means of the bearing 32, is mounted in a bearing block 34 via the bearing 33. The tube store 20 is additionally supported in its central region via the perforated guide disk 30.

Claims (4)

1. A device for the BZ-stranding of electrical cables or leads with the aid of a stationary perforated guide plate (laying plate) (15) and a stranding plate (10) driven in reverse, in which the stranding elements (9) are fed to the stranding plate (10) along a storage tube (20) disposed concentrically with the stranding plate (10), extending from the perforated guide plate (laying plate) (15) to the stranding plate (10) and driven at a different speed to the stranding plate (10), and with additional perforated guide plates (30) disposed in the line of the storage tube (20), characterised in that the additional perforated guide plate or plates (30) is or are mounted free to rotate relative to the storage tube (20).
2. A device as claimed in Claim 1, characterised in that the additional perforated guide plate or plates (30) is or are coupled to the stranding plate (10) by means of a common drive (11,31) so that the stranding plate (10) and the individual additional perforated guide plates (30) car be operated at different adjustable speeds.
3. A device as claimed in Claim 1 or 2, characterised in that the storage tube (20) has its own drive (21, 22).
4. A device as claimed in Claim 3, characterised in that the storage tube (20) is so designed that it can be driven by the drive (11) of the stranding plate (10) through a gear box (22).
EP84730148A 1984-02-03 1984-12-20 Sz-stranding device for electrical cables or lines Expired EP0151367B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84730148T ATE28531T1 (en) 1984-02-03 1984-12-20 DEVICE FOR SZ STRINGING FOR ELECTRICAL CABLES OR WIRE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843404264 DE3404264A1 (en) 1984-02-03 1984-02-03 DEVICE FOR SZ-WIRING FOR ELECTRIC CABLES OR CABLES
DE3404264 1984-02-03

Publications (3)

Publication Number Publication Date
EP0151367A2 EP0151367A2 (en) 1985-08-14
EP0151367A3 EP0151367A3 (en) 1985-09-11
EP0151367B1 true EP0151367B1 (en) 1987-07-22

Family

ID=6227009

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84730148A Expired EP0151367B1 (en) 1984-02-03 1984-12-20 Sz-stranding device for electrical cables or lines

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EP (1) EP0151367B1 (en)
AT (1) ATE28531T1 (en)
DE (2) DE3404264A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3607443A1 (en) * 1986-03-04 1987-09-10 Siemens Ag Method and device for SZ stranding (twisting) of cable cores with a sector-shaped conductor cross-section
FI78576C (en) * 1986-04-01 1989-08-10 Nokia Oy Ab FOERFARANDE OCH ANORDNING FOER VAEXELRIKTNINGSTVINNING.
DE3912415C2 (en) * 1989-04-13 1995-04-20 Siemens Ag Pipe storage SZ stranding machine
DD285620A5 (en) * 1989-10-13 1990-12-19 Veb Schwermaschinenbau-Kombinat "Ernst Thaelmann" Magdeburg,Dd PIPE MEMBER MACHINE FOR THE SCREENING OF OPTICAL OR ELECTRICAL PIPES
CH690725A5 (en) * 1993-05-07 2000-12-29 Frisch Kabel Und Verseilmaschb Method and apparatus for the reversing stranding of stranding.
DE4325931A1 (en) * 1993-08-02 1995-02-09 Siemens Ag Device and method for stranding elongated stranding elements
DE19505567A1 (en) * 1994-04-06 1995-10-12 Frisch Kabel Verseilmaschf Faster, longer length, reversible cabling appts. with low downtime

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT278129B (en) * 1966-12-03 1970-01-26 Kabel Metallwerke Ghh Device for the continuous stranding of shaped strands with reversing lay
DE3142020A1 (en) * 1980-11-14 1982-06-24 Siemens AG, 1000 Berlin und 8000 München SZ-stranding device having a reversibly driven stranding disc and a tubular store
DE3112474A1 (en) * 1981-03-26 1982-10-07 Siemens AG, 1000 Berlin und 8000 München Apparatus for SZ-stranding with a tubular guiding and storage body
DE3123171C2 (en) * 1981-06-05 1983-12-01 Siemens AG, 1000 Berlin und 8000 München Device for SZ stranding with the aid of a stranding disc and a tube storage device

Also Published As

Publication number Publication date
DE3404264A1 (en) 1985-08-08
DE3464981D1 (en) 1987-08-27
EP0151367A3 (en) 1985-09-11
EP0151367A2 (en) 1985-08-14
ATE28531T1 (en) 1987-08-15

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