EP3030712B1 - Arrangement for tensioning a forming wire of a papermaking machine - Google Patents

Description

The invention relates to an arrangement for tensioning a Formiersiebes a paper machine, in particular a wire or a Mehrlagenlangsiebes, for the production of multilayer fibrous webs, with an endless sieve forming forming fabric and a Formiersiebrücklauf arranged tensioning device, which arranged a Siebumlenkwalze and a directly adjacent, relative to Siebumlenkwalze movable sieve tension roller, and arranged on both sides linear guides on which the Siebspannwalze is movably mounted in a traversing about a Verfahrwegstrecke and at least one linear guide drive for moving the Siebspannwalze, wherein the Formiersieb the Siebspannwalze and the Siebumlenkwalze partially wraps and between the Siebspannwalze and the Siebumlenkwalze a Formiersiebtrum forms, wherein one of the two rollers is disposed inside and outside of the screen loop.

Moreover, the invention relates to a forming section of a paper machine, in particular a wire or a Mehrlagenlangsiebes.

The document WO2004 / 099493 A1 , according to the features of the preamble of present claim 1, describes an apparatus for simultaneously tensioning and regulating the course of a string on the example of a press felt of a press section and a dryer wire of a dryer section. Both functions are fulfilled by a single roller. The sides of the roller are the same distance for tensioning the fabric, while influencing the course of the clothing is done by unilateral displacement of the roller.

For clamping of long forming fabrics of a paper machine, as are necessary, for example, in Mehrlangsiebmaschinen, today several fixtures that are designed as a lever clamp needed because the required clamping distance can not be applied by a conventional clamping device. Also by the occurring during operation of the paper machine large elongation of the forming fabric that must Are strained forming wire. Here, the known clamping devices often reach their limits. The more clamping devices and thus more rollers for clamping and deflecting the Formiersiebes are necessary, the greater the effort to change the Formieriebes. In addition, long Formiersiebe must be driven with multiple drive rollers, since individual rollers can not transfer the necessary drive power to the Formiersieb.

It is an object of the present invention to propose an arrangement of the type mentioned with improved functional effect and lower investment and operating costs.

The object is solved by the features of claim 1. It is proposed an arrangement for tensioning a Formiersiebes a paper machine, in particular a wire or a Mehrlagenlangsiebes, for the production of multi-layer fibrous webs, with an endless sieve loop forming screen and arranged in Formiersiebrücklauf clamping device. The clamping device comprises a Siebumlenkwalze and a directly adjacent arranged, relative to the Siebumlenkwalze movable sieve roller, and arranged on both sides linear guides on which the Siebspannwalze is mounted in a traversing by a Verfahrwegstrecke and at least one linear guide drive for moving the Siebspannwalze. The forming fabric partially wraps around the screen tensioning roller and the screen deflection roller. Between the screen tensioning roller and the Siebumlenkwalze a Formiersiebtrum is formed, wherein one of the two rollers is disposed within and outside the screen loop. According to the invention, the linear guides and the travel path are arranged and dimensioned such that the course of the forming fabric defines a strand angle to the travel direction of less than 40 °, in particular less than 20 °, preferably less than 10 °, this strand angle being smaller during the clamping process is and that the linear guides and the Wegfahrstrecke are arranged and dimensioned so that the Siebspannwalze can be moved relative to the Siebumlenkwalze so that the course of Formiersiebtrums a Trumwinkel to the travel direction of greater than or equal to 70 °, preferably greater than or equal to 90 °.

The invention has on the one hand the advantage of a larger possible looping around the screen tensioning roller and the screen deflection roller through the forming screen and, on the other hand, the tensioning path can be dimensioned very large. Likewise, tension travel reserves for retightening upon the occurrence of stretching of the forming fabric after prolonged use are possible. Particularly preferably, only one tensioning device is used for tensioning the forming fabric. This is made possible by the larger tension travel.

In a practical case, the forming wire wraps around the screen tension roller and the screen deflection roller S-shaped.

In a practical case, the forming fabric has a length of more than 25 m, in particular more than 35 m. These large lengths are necessary in so-called Mehrlagenlangsieben in which the base layer, for example, the back of the multilayer web produced on the Mehrlagenlangsieb directly produced, that is dewatered on a dewatering section, and the other layers on separate, arranged on the Mehrlagenlangsieb further seven, which can also be designed as a wire mesh manufactured. The layers produced on the further, consecutively arranged screens are successively puffed up onto the layers lying on the multilayer screen.

The tensioning device is preferably arranged below the dewatering section of the multilayer wire screen.

In a further embodiment variant, the forming fabric runs first on the Siebumlenkwalze and then on the Siebspannwalze. As a result, a spreading effect of the forming fabric is achieved.

Preferably, the forming fabric runs at a ramp angle to the direction of travel of greater than 0 ° on the Siebumlenkwalze.

In a practical case, the looping of the wire tensioning roller and / or the wire deflection roller with the forming wire stretched is more than 120 °, in particular equal to or more than 150 °, preferably equal to or more than 170 °. This allows a larger clamping path, as well as the use of Siebumlenkwalze as drive roller. By this arrangement, large powers and torques can be transmitted.

In a preferred embodiment, the Siebumlenkwalze is fixed and has a drive.

In certain preferred cases, it is possible to provide only a single drive for the forming fabric.

According to a further preferred embodiment, the linear guides are arranged so that the travel direction in an angular range of + 40 ° to -40 °, in particular from + 20 ° to -20 °, preferably from + 10 ° to -10 ° to the horizontal. This embodiment is particularly cost-effective, since at least parts of the clamping device can be mounted directly on the existing foundation rails.

The Siebumlenkwalze is preferably above the Siebspannwalze. As a result, an advantageous Formiersiebführung is possible.

The screen tensioning roller and the linear guides are arranged so that the largest, along the travel of Siebumlenkwalze adjusting distance of the centers of the Siebumlenkwalze and the Siebspannwalze, in an advantageous embodiment of the invention, at most the sum of the diameter of Siebspann- and the Siebumlenkwalze.

The screen tensioning roller is expediently arranged inside the screen loop.

In a further embodiment of the invention, the forming fabric has no seam. The forming fabric becomes cheaper and the screen change takes less time.

Conveniently, the linear guides are designed with drive for moving the screen tensioning roller so that the displacement of the wire tensioning roller on both sides simultaneously, that is, simultaneously and in parallel takes place.

In a further embodiment, the Siebumlenkwalze and the Siebspannwalze are rotatably mounted on both sides each on their own consoles. The consoles of Siebumlenkwalze be based, for example, on foundation rails and are designed cantilevered, so that the projecting part projects beyond the Siebspannwalze in the tensioned state of the tensioning device.

In a practical case, the consoles of the screen tensioning roller are mounted on the linear guides, which in turn are fastened, for example, on foundation rails, and the console on the driver's side has at least one removable intermediate piece for carrying out a change of the forming screen. When changing screens, the forming fabric to be changed is passed through the gap created after removing the intermediate piece. The weight of the wire tensioning roller is intercepted after removal of the intermediate piece on the above-lying Fung.

In a further preferred embodiment, the Siebumlenkwalze and the Siebspannwalze are each rotatably mounted on both sides on a common console.

The brackets are preferably arranged in an angle range of + 40 ° to -40 °, in particular from + 20 ° to -20 °, preferably from + 10 ° to -10 ° to the horizontal and the linear guides the Siebspannwalze down to the consoles on drive and leader side hanging and the Siebumlenkwalze attached to the top of the consoles. The substantially horizontal running parts of the brackets are each connected on a preferably vertical support with the foundation rails and preferably with vertically extending supports with the chair and the console on the leader side is connected via at least one removable intermediate piece to carry out a change of Formiersiebes with the carrier. When changing screens, the forming fabric to be changed is passed through the gap created after removing the intermediate piece. The weight of the screen tensioning roller is intercepted after removal of the intermediate piece via the support and preferably via an additional support.

The linear guides and the travel path are arranged and dimensioned so that the screen tensioning roller can be moved relative to the wire deflection roller so that the course of Formiersiebtrums a Trumwinkel to the travel direction of greater than or equal to 70 °, preferably greater than or equal to 90 °. This allows a simple Formiersiebwechsel.

The invention also relates to a forming section of a paper machine with an arrangement for clamping a forming fabric, wherein the arrangement is designed according to claim 1.

Further features and advantages of the invention will become apparent from the following description of preferred embodiments with reference to the drawings.

Figur 1

eine bekannte Ausführung einer Anordnung zum Spannen eines Formiersiebes;

Figur 2

eine erste Ausführungsform einer erfindungsgemäßen Anordnung;

Figur 3

eine zweite Ausführungsform einer erfindungsgemäßen Anordnung;

Figur 4

die zweite Ausführungsform einer erfindungsgemäßen Anordnung bei Formiersiebwechsel;

Show it

FIG. 1

a known embodiment of an arrangement for clamping a Formiersiebes;

FIG. 2

a first embodiment of an arrangement according to the invention;

FIG. 3

a second embodiment of an arrangement according to the invention;

FIG. 4

the second embodiment of an arrangement according to the invention in Formiersiebwechsel;

FIG. 1 shows a known embodiment of an arrangement for tensioning a long Formiersiebes 2, for example, a Mehrlagenlangsiebes. The length of the forming fabric 2 is in this case 45 m. The forming fabric 2 is tensioned by 2 clamping devices. Each tensioning device comprises a tension roller lever 26, which is mounted at a pivot point 25 and carries a tension roller 24. The forming fabric 2 is guided over a Siebumlenkwalze 23, not shown, and then over the two clamping devices and then again over a Siebspannwalze 23. For tensioning the forming fabric 2, the wire tensioning rollers 24 are moved in the direction of the forming fabric 2. The longer the forming fabric, the more fixtures are necessary.

The FIG. 2 shows a first embodiment of an inventive arrangement 1 for clamping a forming fabric 2 of a wire of a paper machine, wherein the forming fabric 2 has a length of 45 m. Such lengths often occur in so-called multi-ply long screens, which have for the production of multi-ply fibrous webs, with an endless sieve loop forming fabric 2. The arrangement 1 with clamping device 4 is arranged in Formiersiebrücklauf. The tensioning device 4 comprises a Siebumlenkwalze 5 and a directly adjacent arranged, relative to the Siebumlenkwalze 5 movable Siebspannwalze 6, and arranged on both sides linear guides 7 on which the screen tensioning roller 6 is movably mounted in a traversing direction 8 about a Verfahrwegstrecke and at least one linear guide drive 9 for moving the Siebspannwalze 6. The Formierieb 2 wraps around the Siebspannwalze 6 and the Siebumlenkwalze 5 partially. Between the screen tensioning roller 6 and the Siebumlenkwalze 5 a Formiersiebtrum 10 is formed, wherein one of the two rollers 5,6 is disposed inside and outside the screen loop. The linear guides 7 and the travel path are arranged and dimensioned such that the course of the Formiersiebtrums 10 a Trumwinkel 12 to the travel direction 8 of less than 40 °, in particular less than 20 °, preferably less than 10 °, said Trumwinkel 12 smaller during the clamping process becomes. The Trumwinkel 12 is for purposes of illustration only in FIG. 3 marked and is in the in FIG. 2 shown arrangement about 0 °.

The single arrangement 1 is sufficient for tensioning the long forming fabric 2. This is made possible by the larger clamping distance compared to conventional clamping devices. The extension of the Formiersiebes2, that is, the tension effect, is twice as large as the travel of the screen tensioning roller 6 during tensioning of the screen 2. The Formiersieb 2 wraps around the Siebspannwalze 6 and the Siebumlenkwalze 5 S-shaped. The wrap of the screen tensioning roller 6 and / or the Siebumlenkwalze 5, is, as in the example shown, with strained Formierieb more than 120 °, in particular equal to or more than 150 °, preferably equal to or more than 170 °. In this example, the Siebumlenkwalze 5 is wrapped around 190 ° and the Siebspannwalze about 180 °. The Siebumlenkwalze 5 is fixed and it is associated with a drive 14. This arrangement allows a larger clamping path, as well as the use of Siebumlenkwalze 5 as drive roller. By this arrangement, large powers and torques can be transmitted. The forming fabric 2 is therefore assigned only a single drive 14. In certain cases, the number of drives compared to known tensioning devices can be reduced.

The forming fabric 2 first runs on the Siebumlenkwalze 5 and then on the Siebspannwalze 6. As a result, a spreading effect of the forming fabric 2 is achieved. The forming fabric is running at a ramp angle 13 of approximately 20 ° to the direction of travel 8 on the Siebumlenkwalze 5. Parallel directions are indicated by two parallel lines.

In the illustrated embodiment, the linear guides 7 are arranged so that the direction of travel 8 in an angular range of + 40 ° to -40 °, in particular from + 20 ° to -20 °, preferably from + 10 ° to -10 ° to the horizontal. This embodiment is particularly cost-effective, since at least parts of the clamping device 4 can be mounted directly on the existing foundation rails. The Siebumlenkwalze 5 is above the Siebspannwalze 6. This makes this advantageous Formiersiebführung possible. The screen tensioning roller 5 and the linear guides 7 are arranged so that the largest, along the travel of the Siebspannwalze 6 adjusting distance between the centers of the Siebumlenkwalze 5 and the Siebspannwalze 6, at most the sum of the diameter of Siebspann- 6 and the Siebumlenkwalze 5. Due to the close distance, the effectiveness in tensioning the Formieriebes 2 is improved in terms of travel. The screen tension roller 6 is inside and the Siebumlenkwalze 5 is arranged outside the screen loop.

The Formiersieb 2 is seamless and therefore has no seam. The forming fabric 2 is thereby cheaper and the screen change requires less time.

The linear guides 7 with drive 9 for moving the screen tensioning roller 6 are designed such that the displacement of the screen tensioning roller 6 takes place simultaneously, ie simultaneously and in parallel, on both sides. The linear guide drives 9 are designed for example as a hydraulically driven Spindelhubgetriebe. The Siebumlenkwalze 5 and the Siebspannwalze 6 are on both sides, that is on drive and on the guide side, each mounted on their own brackets 15, 16 rotatably. The brackets 15 of the Siebumlenkwalze 5 are based for example on foundation rails and are designed projecting, so that the projecting part of the screen tensioning roller 6 in the tensioned state of the clamping device 4 projects beyond. During clamping, the screen tensioning roller 6 can thus be moved under the screen deflection roller 5. The brackets 16 of the screen tensioning roller 6 are mounted on the linear guides 7, which in turn are mounted on foundation rails, for example. The console 16 on the driver's side has two removable intermediate pieces 17 for performing a change of the forming fabric 2. To change the screen, the screen tensioning roller 6 is moved to the right, so that the forming fabric 2ententspannt. The forming fabric 2 to be changed is passed through the after-removal of the intermediate pieces gap during the screen change. The weight of the wire tensioning roller is intercepted after removal of the intermediate piece on the above-lying Fung. The linear guides 7 and the travel path are arranged and dimensioned so that the screen tensioning roller 6 can be moved relative to the Siebumlenkwalze 5 so that the course of Formiersiebtrums 10 a Trumwinkel 12 to the travel direction 8 of greater than or equal to 70 °, preferably greater than or equal to 90 ° is. This allows a simple Formiersiebwechsel.

The FIG. 3 Now shows a second embodiment of an inventive arrangement 1 for clamping a forming fabric 2 of a wire of a paper machine, wherein the forming fabric 2 also has a length of 45 m. Such lengths often occur in so-called multi-ply long screens, which have for the production of multi-ply fibrous webs, with an endless sieve loop forming fabric 2. The arrangement 1 with clamping device 4 is arranged in Formiersiebrücklauf. The tensioning device 4 comprises a Siebumlenkwalze 5 and a directly adjacent arranged, relative to the Siebumlenkwalze 5 movable Siebspannwalze 6, as well as arranged on both sides linear guides 11 on which the Siebspannwalze 6 is mounted in a traversing direction 8 by a Verfahrwegstrecke and at least one linear guide drive 9 for the method of Sieve roller 6. The Formierieb 2 wraps around the Siebspannwalze 6 and the Siebumlenkwalze 5 partially. Between the screen tensioning roller 6 and the Siebumlenkwalze 5 a Formiersiebtrum 10 is formed, wherein one of the two rollers 5,6 is disposed inside and outside the screen loop. The linear guides 11 and the travel path are arranged and dimensioned such that the course of the Formiersiebtrums 10 a Trumwinkel 12 to the travel direction 8 of less than 40 °, in particular less than 20 °, preferably less than 10 °, said Trumwinkel 12 smaller during the clamping process becomes.

The single arrangement 1 is sufficient for tensioning the long forming fabric 2. This is made possible by the larger clamping distance compared to conventional clamping devices. The extension of the Formieriebes 2, that is, the tension effect, is twice as large as the travel of the screen tensioning roller 6 during tensioning of the screen 2. The Formiersieb 2 wraps around the Siebspannwalze 6 and the Siebumlenkwalze 5 S-shaped. The wrap of the screen tensioning roller 6 and / or the Siebumlenkwalze 5, is, as in the example shown, with strained Formierieb more than 120 °, in particular equal to or more than 150 °, preferably equal to or more than 170 °. In this example, the Siebumlenkwalze 5 approximately 180 ° and the Siebspannwalze looped about 170 °. The Siebumlenkwalze 5 is fixed and it is associated with a drive 14. This arrangement 1 allows a larger clamping path, as well as the use of Siebumlenkwalze 5 as drive roller. By this arrangement, large powers and torques can be transmitted. The forming fabric 2 is assigned only a single drive 14. In certain cases, the number of drives compared to known tensioning devices can be reduced.

The forming fabric 2 first runs on the Siebumlenkwalze 5 and then on the Siebspannwalze 6. As a result, a spreading effect of the forming fabric 2 is achieved. The Formiersieb runs at a ramp angle 13 of about 20 ° to the direction of travel 8 on the Siebumlenkwalze 5. Parallel directions are indicated by two parallel lines.

In the illustrated embodiment, the linear guides 11 are arranged so that the direction of travel 8 in an angular range of + 40 ° to -40 °, in particular from + 20 ° to -20 °, preferably from + 10 ° to -10 ° to the horizontal. This embodiment is particularly cost-effective, since at least parts of the clamping device 4 can be mounted directly on the existing foundation rails. The Siebumlenkwalze 5 is above the Siebspannwalze 6. This makes this advantageous Formiersiebführung possible. The screen tensioning roller 5 and the linear guides 7 are arranged so that the largest, along the travel of the Siebspannwalze 6 adjusting distance between the centers of the Siebumlenkwalze 5 and the Siebspannwalze 6, at most the sum of the diameter of Siebspann- 6 and the Siebumlenkwalze 5. Due to the close distance, the effectiveness in tensioning the Formieriebes 2 is improved in terms of travel. The screen tension roller 6 is inside and the Siebumlenkwalze 5 is arranged outside the screen loop.

The Formiersieb 2 is seamless and therefore has no seam. The forming fabric 2 is thereby cheaper and the screen change requires less time.

The linear guides 11 with drive 9 for moving the screen tensioning roller 6 are designed such that the displacement of the screen tensioning roller 6 takes place simultaneously, ie simultaneously and in parallel, on both sides. The linear guide drives 9 are designed for example as a hydraulically driven Spindelhubgetriebe. The Siebumlenkwalze and the Siebspannwalze are each rotatably mounted on both sides on a common bracket 18. The brackets 18 are preferably arranged in an angular range of + 40 ° to -40 °, in particular from + 20 ° to -20 °, preferably from + 10 ° to -10 ° to the horizontal and the linear guides 11 of the screen tensioning roller 6 at the bottom of the Brackets 18 hanging on drive and driver side and the Siebumlenkwalze 5 attached to the top of the brackets 18. The substantially horizontal running parts of the brackets 18 are each connected to a preferably perpendicular support with the foundation rails and preferably with vertically extending supports 19 with the chair. The console 18 is connected on the leader side via at least one removable intermediate piece 21 for carrying out a change of the forming fabric 2 with the carrier 19. The forming fabric to be changed is passed through the filter after changing the intermediate piece 21 gap when changing the screen. The weight of the screen tensioning roller is intercepted after removal of the intermediate piece via the support and preferably via an additional support 22.

The linear guides 11 and the travel path are arranged and dimensioned so that the screen tensioning roller 6 relative to the Siebumlenkwalze 5 can be moved so that the course of the Formiersiebtrums 10 a Trumwinkel 12 to the travel direction of greater than or equal to 70 °, preferably greater than or equal to 90 ° , This allows a simple Formiersiebwechsel.

The FIG. 4 shows the second embodiment accordingly FIG. 3 in a state in Formieriebwechsel, wherein the same reference numerals have been used for the corresponding elements. The tension roller 6 was moved counter to the direction of the Formieriebes 2 by means of the linear guides 11. The forming fabric 2 is relaxed. The console 18 on the driver's side is supported by a support 22 before removing the intermediate piece 21. The linear guides 11 extend over at least a portion of the horizontally arranged brackets 18, as well as on the support 19, so that in the relaxed state of the resultant by removing the intermediate piece 17 gap for leading out of the forming fabric 2 during the screen change is free. The course of the Formiersiebtrums 10 has a Trumwinkel 12 to the travel direction 8 of about 90 °. Here, too, parallel directions are indicated by two parallel lines.

LIST OF REFERENCE NUMBERS

1

arrangement

2

forming fabric

3

Formiersiebrücklauf

4

jig

5

Siebumlenkwalze

6

wire stretching

7

linear guides

8th

traversing

9

Linear guide drive

10

Formiersiebtrum

11

linear guides

12

Trumwinkel to the direction of travel

13

winding angle

14

drive

15

consoles

16

consoles

17

connecting piece

18

console

19

carrier

20

framing

21

connecting piece

22

support

23

Siebumlenkwalze

24

wire stretching

25

pivot point

26

Tensioning roller lever

Claims (16)

1. Arrangement (1) for tensioning a forming wire (2) of a papermaking machine, in particular of a Fourdrinier wire or a multilayer Fourdrinier wire for producing multilayer fibrous webs, having a forming wire (2) forming an endless wire loop and a tensioning device (4) arranged in the forming wire return (3), comprising a wire deflection roll (5) and a directly adjacently arranged wire tensioning roll (6) that can be moved relative to the wire deflection roll (5), and linear guides (7, 11) arranged on both sides, on which the wire tensioning roll (6) is mounted such that it can be displaced in a displacement direction (8) over a displacement distance, and at least one linear guide drive (9) for displacing the wire tensioning roll (6), the forming wire (2) wrapping partly around the wire tensioning roll (6) and the wire deflection roll (5) and forming a forming wire strand (10) between the wire tensioning roll (6) and the wire deflection roll (5), one of the two rolls (5, 6) being arranged inside and one outside the wire loop, the linear guides (7, 11) and the displacement distance being arranged and dimensioned such that the wire tensioning roll (6) can be displaced relative to the wire deflection roll (5) such that the course of the forming wire strand (10) forms a strand angle (12) relative to the displacement direction of less than 40°, in particular less than 20°, preferably less than 10°, this strand angle (12) becoming smaller during the tensioning operation,
   characterized in that
   the linear guides (7, 11) and the displacement distance are arranged and dimensioned such that the wire tensioning roll (6) can be displaced relative to the wire deflection roll (5) such that the course of the forming wire strand (10) forms a strand angle (12) relative to the displacement direction (8) of greater than or equal to 70°, preferably greater than or equal to 90°.
2. Arrangement according to Claim 1,
   characterized in that
   the forming wire (2) runs firstly onto the wire deflection roll (5) and then onto the wire tensioning roll (6).
3. Arrangement according to Claim 2,
   characterized in that
   the forming wire (2) runs onto the wire deflection roll (5) at a run-on angle (13) relative to the displacement direction (8) of greater than 0°.
4. Arrangement according to one of the preceding claims,
   characterized in that
   the wrap of the wire tensioning roll (6) and/or the wire deflection roll (5) when the forming wire (2) is tensioned is more than 120°, in particular equal to or more than 150°, preferably equal to or more than 170°.
5. Arrangement according to one of the preceding claims,
   characterized in that
   the wire deflection roll (5) is stationary and has a drive (14).
6. Arrangement according to one of the preceding claims,
   characterized in that
   the linear guides (7) are arranged such that the displacement direction (8) extends in an angular range of +40° to -40°, in particular of +20° to -20°, preferably of +10° to -10°, relative to the horizontal.
7. Arrangement according to Claim 1 to 6,
   characterized in that
   the wire deflection roll (5) lies above the wire tensioning roll (6).
8. Arrangement according to one of the preceding claims,
   characterized in that
   the wire tensioning roll (6) is arranged within the wire loop.
9. Arrangement according to one of the preceding claims,
   characterized in that
   the forming wire (2) has no seam.
10. Arrangement according to one of the preceding claims,
    characterized in that
    the linear guide drive (9) for displacing the wire tensioning roll (6) is configured such that the displacement of the wire tensioning roll (6) is carried out simultaneously on both sides.
11. Arrangement according to one of the preceding claims,
    characterized in that
    the wire deflection roll (5) and the wire tensioning roll (6) are each rotatably mounted on both sides on their own brackets (15, 16).
12. Arrangement according to Claim 11,
    characterized in that
    the brackets (16) of the wire tensioning roll (6) are mounted on the linear guides (7) and the bracket (16) on the operator's side has removable intermediate pieces (17) for carrying out a change of the forming wire (2).
13. Arrangement according to Claim 1 to 10,
    characterized in that
    the wire deflection roll (5) and the wire tensioning roll (6) are each rotatably mounted on both sides on a common bracket (18).
14. Arrangement according to Claim 13,
    characterized in that
    the brackets (18) are arranged in an angular range of +40° to -40°, in particular of +20° to -20°, preferably of +10° to -10° relative to the horizontal, and the linear guides (11) of the wire tensioning roll (6) are fixed to the brackets (18) hanging underneath, and the wire deflection roll (5) is fixed to the top of the brackets (18).
15. Arrangement according to Claim 13 or 14,
    characterized in that
    the brackets (18) are connected to the framing (20) via a support (19), and the bracket (19) on the operator's side is connected to the support (19) via a removable intermediate piece (21) for carrying out a change of the forming wire (2).
16. Forming section of a papermaking machine having an arrangement (1) for tensioning a forming wire (2),
    characterized in that
    the arrangement (1) is designed according to Claim 1.

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