WO2010016808A1

WO2010016808A1 - Compact yarn manufacturing system

Info

Publication number: WO2010016808A1
Application number: PCT/TR2008/000091
Authority: WO
Inventors: Namik Kemal Isik
Original assignee: OZDILEK ALISVERIS MERKEZLERI VE TEKSTIL SANAYI AS
Current assignee: OZDILEK ALISVERIS MERKEZLERI VE TEKSTIL SANAYI AS
Priority date: 2008-08-04
Filing date: 2008-08-04
Publication date: 2010-02-11
Anticipated expiration: 2011-02-04

Abstract

The invention is related to a magnetic compact ring yarn manufacturing system that completes the inadequacies in the existing magnetic compact yarn system art, improves yarn parameters and provides more efficient working conditions. Invention has increased the pressure applied on the fibres placed on the delivery drafting roller (1) and also increased the fibre squeezing range (A2) thanks to the top roller apron (17), which is narrower compared to the top roller (9), which is placed on the top roller (9) and the bearing part (15) mounted on the guide arm (3), and thus, increased the lace quality values. Long life period and much longer quality stability and working conditions are achieved thanks to the apron (17) might be produced from materials resistant to the friction more than top roller (9) and its perimeter is bigger. New effective position of the clearer rollers (18) also improves the lace values and working environment conditions.

Description

COMPACT YARN MANUFACTURING SYSTEM

Technical Field

Invention is related to a novelty on magnetic compact ring yarn manufacturing system.

Present invention especially is related to a magnetic compact ring yarn producing system that eliminates the deficiencies of the present magnetic compact yarn spinning system, improves the yarn parameters and provides more efficient working conditions.

Background of the Art

Efforts on improving new methods as an alternative for ring spinning system and that will improve the production rate per spinner while conserving the yarn properties has been carried on for years, and this helped textile industry to benefit from many new technologies. Many of these technologies faded in time, however the ones that achieve to propose efficient solutions for the changing and difficult needs of the textile industry has found acceptance at the market and found different areas of use at different rates of usage considering the expected properties of the products at various branches of the sector.

Ring yarn structure has been accepted as ideal yarn structure for many years, on the other hand, investigations at microscopic level showed that the structure is not as perfect as it is accepted, and there are more fibres that are not correctly placed at the yarn structure than estimated. As a result of efforts made in order to increase the competition between ring yarn and new yarn methods, compact yarn method has come out as a new variation of ring yarn method that enables a significant increase of quality. In the compact spinning technology, there is a compacting zone used right after the main drafting zone, thus fibres are placed closer to each other and thus spinning triangle is almost completely removed. In this way, improvement of the yarn properties, for example improvement of the strength and decrease of hairiness is aimed. This way, it is seen that the twisting of these yarns can be decreased, and during the textile manufacturing stages a soft touch, brilliancy, less pilling to be beady is achieved and an increase in performance can be provided, also single layer of compact yarn can be used instead of double layer conventional ring yarn. In order to produce compact yarn, a fibre bunch passes through a compaction zone adapted to the drafting system's outlet, and compacted via a compactor, thus while the yarn is being twisted, spinning triangle formation is eliminated. Thus, unwanted hairiness and decrease in strength related to this issue is also eliminated. Because of this reason, compact yarns' quality is much higher than the conventional ring yarn in hairiness and strength point of view.

One of the compact ring yarn producing techniques is the magnetic compactor system. In figure 1 and 2, views of present magnetic compactor system are given, and the working principles of this system shall be explained referencing the numbers in the figures. A side view of the magnetic compactor system used to produce compact yarn in the previous art is given schematically in figure 1. And in figure 2, a detailed view of magnetic compactor and roller's positions with respect to each other. As it can be seen from the figures, a delivery drafting roller (1) driven by the gear box supports the top roller (9) and the front roller (10) of the compaction zone. Contact point of the compaction zone is from A to be B, as it is seen in figure 2. Magnetic compactor (12) produced from ceramic material very sensitively presses the delivery drafting roller (1) with no space in between through continuous magnets. Magnetic compactor (12), together with the delivery drafting roller (1) forms a completely closed compaction room and the surface of the delivery drafting roller (1) moves in synchronization with the fibres and transfers these fibres sensitively to the compactor (12). As it is seen in the detailed view of the A - B compaction site, there is a funnel like compaction channel (12.1) inside of the magnetic compactor (12), narrowing through downwards. Fibres coming in between delivery drafting roller (1) and top roller (9) are compacted inside the compaction channel (12.1) in the magnetic compactor (12) as they go downwards in the channel. After compacted fibres leaves the channel (12.1), they undergo a twisting process between front roller (10) and delivery drafting roller (1) and become high strength yarn.

As it is seen in figure 1 , magnetic compact yarn producing system of the previous art comprises, a delivery drafting roller (1) and a middle drafting roller (2) produced from a metal based material making spinning move driven by the gear box, a roving guide (11) that enables and guides multiple number of fibres to enter the system, a bottom apron (8) placed upon the middle drafting roller (2) and bottom apron guide bar (6), and a top apron (7) placed upon the top apron roller (5) and apron cradle (4). Fibres entering through the roving guide (11) are compacted by passing through bottom and top aprons (7, 8). Fibres passing through the bottom and top aprons (7, 8), reach in between the delivery drafting roller (1) and top roller (9). Top roller (9) which is produced from a rubbery material is pressed on the delivery drafting roller (1) via a guide arm (3) of the system. Fibres passing in between the delivery drafting roller (1) and top roller (9) are transferred to the magnetic compactor (12). Since the fibre almost always passes through the same point, corrosion occurs on the rubber top roller (9) and in time, these deformations increase. Deformations on the rubber surface causes frequent grinding or changing labour costs, production losses and quality differences between different spindles. On the average, for 1000 spindles, end brakes increase with the deformations on the rubber surface, and in the winding process, which is the next step, amount of quality error correction causes problems and maintenance costs increase. In addition to that, fibres (20) (figure 6A) that cannot go through the compactor (12) forms flosses, and these causes the dirt in the machine and/or they are joined to the yarn structure in an uncontrolled way. This situation adversely affects the yarn quality and working conditions. Since the current position of the clearer roller (18) seen in figure 6A is far from the fibres (20) that cannot go through the compactor, it is not efficient to accumulate the fibres on.

Related to the magnetic compact yarn producing system, WO 2006005207 numbered application is the closest document to the invention subject system. However, if one studies this patent document, it can be seen that there is no sufficient solution propositions in order to be able to eliminate the said disadvantages and problems.

In conclusion, existence of need for a magnetic compact ring yarn production system eliminating the said disadvantages and eliminating the deficiencies in the previous art of the magnetic compact yarn system, improving the yarn parameters and providing more efficient working conditions, and the inadequacy of the existing solutions have necessitated a development in the related art.

Disadvantages of the Prior Art: Rapid Corrosion of the Top roller (9):

In the prior art, since the fibres go through the same place, they rapidly corrode the top roller (9) where they pass. Because of this reason, yarn quality values and working conditions degrade. In order to prevent this unwanted situation, top roller (9) should be grinded and re-installed or maybe replaced in a short period of time. For a better understand of the problem, if we analyze the yarn quality deficiency - time graphic given in figure 11a; i : 1 ,2,3....n hi : top roller (9) yarn defect amount per grinding - changing term hUST: Upper acceptable limit for yarn defect amount hort : defect average during the top roller (9) replacement term ti : top roller (9) grinding period

After every grinding operation, diameter of the top roller (9) decreases and together with the decreased amount of rubber, the hardness of the top roller (9) increases. This situation defects the fibre layering property between the top roller (9) and delivery drafting roller (1). As a result of this, hi is higher compared to the previous ti term. As it is shown in the hort line, average yarn defects constantly increase until the top roller (9) is renewed.

If the enterprises do not want to work with higher deficiency averages in shortening time periods, they have to change the top roller (9) near the grinding period, which is far from being rational in economy point of view.

In the present systems, in order to be able to lengthen the corrosion period of the top roller (9), top rollers (9) made of harder materials can be used. However, in this case, since the necessary fibre layering cannot be achieved between the delivery drafting roller (1) and top roller (9), quality defections are inevitable. Another solution is to use a hard top roller (9) and increasing the force applied on the guide arm (3) in order to provide the fibre layering, but in this case, the mechanics of the machine is limiting. Because, increasing force applied shall adversely affect the drafting system, it is limited.

Not effective removal of the fluffs occurring at the compactor site:

In figure 6a, fibres (20) that cannot go through the compactor (12) during the spinning operation in the present system are shown. Perspective view given in figure 6b shows the distance of the clearer roller (18) to the fibres (20) coming out in between the top roller (9) and compactor (12) in the prior art. This distance is not sufficient for clearer roller (18) to collect the fibres (20) that cannot go through the compactor on itself. Fibres (20) that can not go into the compactor forms fluffs, and soils both the environment and the machine, and/or join the yarn structure in an uncontrolled way. This situation adversely affects the yarn quality and the working conditions.

Object of the Invention

Main purpose of the invention is to improve a magnetic compact ring yarn production system that eliminates the deficiencies in the prior magnetic compact yarn system, improving the yarn parameters and providing more efficient working conditions.

As it is mentioned above, top roller (9), which is made of rubber, is used to prevent the corrosion. In the invention subject magnetic compact yarn producing system, working a top roller apron (17) upon the top roller (9) technique is used.

There are several patent applications that explains various apron applications in the conventional yarn producing systems. As an example to these applications, EP 0635590, WO2005038104 and WO2007101742 numbered patents can be given. However, in the invention, magnetic compact yarn system is applied first time, and including some improvements.

If one is to explain the advantages of the application using the improved situation graph in figure 11b, i : 1 ,2,3....n

Hi : Yarn defect amounts at the beginning of the top roller apron (17) change term

HUST: Highest acceptable yarn defect amount

Hort : Average yarn defects during the top roller apron (17) changing term

Ti : Top roller apron (17) changing period

In cases where hϋst and HUST in figure 11 is equal, it is seen that Ti is much higher than the ti in figure 11a (Ti > ti). However, if the top roller apron (17) material used is corrosion resistant, and the perimeter is bigger than the top roller (9), it can reach longer usage periods. Again, Hi being the same forms an advantage with respect to the figure 11a's present situation, and Hort's standard progress guarantees a stable constant quality. Secondly, in order to remove the fibres (20) of the compactor site efficiently, position of the clearer roller (18) is changed by addition of a clearer roller guide (16).

Advantages gained by these applications are;

• Elimination of top roller (9) grinding workmanship, prevention of production losses thanks to the longer changing periods,

• As a result of significant decrease in the yarn defects, error correction during the winding stage decreases, thus increase in efficiency,

• As a result of the previous clause, materials used for error correction has longer life, thus decrease in the maintenance costs,

• Increase in the knitting and weaving performance thanks to yarns with less knots, and thus qualified products,

• Thanks to the less apron width, improvement of the quality values and working conditions by obtaining more fibre pressure using the same amount of force provided, and thus usage of softer top roller (9),

• Constant quality on the long run,

• Decrease laps efficiency on rollers, relaxation of the working conditions,

• General decrease of operation and maintenance costs,

• Significant decrease the end brakes in the hourly per 1000 spindles.

Using the narrow top roller apron (17) and below the soft top roller (9) application, pressure on the fibres is increased, thus more efficient fibre control is provided. The top roller apron (17) used in the application being produced from a material that is more corrosion resistant compared to the present application's top roller (9), and less corrosion because of its nature, and also the extension of corrosion period provided thanks to the top roller apron (17) perimeter being larger than the present situation's top roller (9) are the most important factors in decrease of the end brakes. Narrow top roller apron (17) application and the effective point of the clearer roller (18) also provided the improvements in the further operations.

Thanks to the benefits said above about narrow top roller apron (17), defected sites determined during winding operation are decreased. In addition to that, it also provides very important benefits such as reducing maintenance costs, decreasing fibre laps and hourly end brakes thus reducing the workload.

All of the structural and characteristic properties of the invention and all of its advantages will be clarified by referring the figures given below and the detailed explanations about those figures and therefore, evaluation should be done considering these figures and detailed explanations.

Description of figures

Figure 1 : A side schematic view of the magnetic compactor system used in the prior art in order to produce compact yarn.

Figure 2: Detailed view of the positions of magnetic compactor and rollers with respect to each other.

Figure 3: A side schematic view of the invention subject magnetic compactor system.

Figure 4a: Detail view of way of crashing of the top roller in the invention subject magnetic compact system.

Figure 4b: Detail view of way of crashing of the top roller in the prior art magnetic compact system.

Figure 5: Perspective view showing the invention subject clearer roller's positioning.

Figure 6a: Figurative picture of fibres that does not go in to the compactor, and position of clearer roller in the prior art.

Figure 6b: Perspective view showing the clearer roller's positioning in the prior art.

Figure 6c: Figurative picture showing the invention subject clearer roller's position and efficient removal of the fibres that do not go through the compactor via this clearer rollers

Figure 7a: Front view of the bearing part of invention subject magnetic compact system.

Figure 7b: Top view of the bearing part of invention subject magnetic compact system.

Figure 7c: Side view of the bearing part of invention subject magnetic compact system.

Figure 8: Detailed perspective view of invention subject magnetic compact system.

Figure 9a: Perspective view of way of contact of top roller and delivery drafting roller in the prior art.

Figure 9b: Schematic view showing the squeezing distance and contact width between top roller and delivery drafting roller in the prior art.

Figure 10a: Perspective view showing the way of contact in between the invention subject top roller apron and delivery drafting roller.

Figure 10b: Schematic view showing the squeezing distance and contact width between invention subject top roller and delivery drafting roller.

Figure 11a: Yarn quality defect - time graph of prior art.

Figure 11b: Yarn quality defect - time graph after the invention subject application.

Reference Numbers

1. Delivery drafting roller

2. Middle drafting roller

3. Guide arm

4. Apron cradle

5. Top apron roller

6. Bottom apron guide bar

7. Top apron 8. Bottom apron

9. Top roller

10. Front roller

11. Roving guide

12. Magnetic compactor

12.1 Squeezing channel

13. Front roller cage

14. Compactor centring device

15 Bearing part

15.1 Connection part

15.2 Bearing arm

15.2.1 Slot

15.3 Adjustment channel

16. Clearer roller guide

17. Top roller apron

18. Clearer roller

19 Fixing member

20. Fibres that can not go through compactor

21. Front roller pressure spring Detailed Description of the Invention

Present invention is related to a magnetic compactor yarn production system used to produce compact yarn.

Necessary explanations about working of the system of magnetic compact yarn production system and the deficiencies in the prior art are said above.

If the subjects that describe the invention is to be analyzed in main topics; Improvement done by application of Top roller (9) on Top Roller apron (17): Yarn quality value losses and defects in the working conditions caused by rapid corrosion of top roller (9) in the prior art was said before in the previous technical part. In the improvement fulfilled, an apron (17) is mounted, that is produced from a corrosion resistant material and whose perimeter is greater than the top roller (9) and which is narrower than the roller, on the top roller (9). This apron is stretched by a bearing part (15) mounted on the guide arm (3), thus provided to move upon the delivery drafting roller (1) together with the top roller (9).

Top roller (9) is chosen as soft is can be, and the apron (17) is chosen narrower than the top roller (9) thus, higher pressure is applied on the fibres using present pressure force. This way, better fibre control is achieved and yarn quality values are improved. Apron (17) material being resistant to corrosion and its perimeter is larger compared to top roller (9) provides long term work life with stable values. Apron (17) perimeter being larger than the top roller's (9) perimeter is also a factor that extends work life.

Figure 3 shows a side schematic view of the invention subject magnetic compactor system, and figure 8 shows a perspective view of the invention subject magnetic compactor system. Magnetic compactor yarn producing system is comprised of; one delivery drafting roller (1) and a middle drafting roller (2) that are made of metal based material, and that perform a rotating motion driven by the gear box, a roving guide (11) that acts as a guide for multi fibres to enter the system, a bottom apron (8) covered on the middle drafting roller (2) and bottom apron guide bar (6), a top apron (7) covered on the top apron roller (5) and apron cradle (4). Fibres coming in through the roving guide (11) are squeezed by passing through the bottom and top aprons (8, 7). Fibres going through bottom apron (8) and top apron (7) are squeezed by passing through the squeezing channel (12.1) (see figure 2 A - B detail), placed inside the magnetic compactor (12) and in between the delivery drafting roller (1) and top roller (9), and finally at the front roller (10) and delivery drafting roller (1) outlet, via application of spooling operation, fibres become yarn and they are wind over the spools on the spindles.

Top roller (9), which is produced from a rubber material, is pressed against the delivery drafting roller (1) with a certain force, by the help of a guide arm (3) of magnetic compactor system. Fibres going through the delivery drafting roller (1) and top roller (9) are extracted and transferred to the magnetic compactor. As it can be seen in figure 2, delivery drafting roller (1) driven by the gear box of magnetic compact yarn producing system supports the top roller (9) and the front roller (10) of squeezing zone. Squeezing zone contact point is from A to B. Magnetic compactor (12) produced from ceramic material very sensitively, presses the delivery drafting roller (1) with no space in between each other, via continuous magnets. Magnetic compactor (12) forms a completely closed squeezing room together with the delivery drafting roller (1) and the surface of the delivery drafting roller (1) moves in synchronization with fibres, and transfers these fibres to the magnetic compactor (12). As it is seen in A - B squeezing zone's detail view, there is a squeezing channel (12.1) having a conic form narrowing at the bottom side inset the magnetic compactor (12). Fibres coming in between delivery drafting roller (1) and top roller (9) are compacted inside the compaction channel (12.1) in the magnetic compactor (12) as they go downwards in the channel. After compacted fibres leave the channel (12.1), they undergo a twisting process between front roller (10) and delivery drafting roller (1) and become high strength yarn.

However, since the fibres go through the delivery drafting roller (1) and top roller (9) almost always passes on the same place, rubber top roller surface (9) corrodes in a short time. Top rollers (9) that corrode in a short period of usage are dismounted and subjected to the grinding operation, or they are replaced with new top rollers (9). In both cases, high amounts of workless and additional maintenance (grinding etc.) and material costs come out.

As it is stated above, in order to prevent the corrosion on the top roller (9) that is made of rubber, different from the prior art's magnetic compact yarn systems, apron (17) application on top roller (9) is used. Top roller apron (17) works on the top roller (9) where corrosion happens, and transfers fibres to magnetic compactor (12). In addition to that, since the width of the apron (17) used is less than the top roller (9), the force applied by the guide arm (3) on the fibres increase, thus better control of fibres is achieved. Thanks to the narrow top roller apron (17) application, pressure on the fibres is increased, thus better fibre control is provided. Corrosion life of the place where fibres pass through is extended by producing the top roller apron (17) used in application from a more corrosion resistant material compared to the top roller (9), and apron (17) perimeter being larger than the present system's top roller (9) perimeter. This is one of the most important factors that decrease the yarn tearaways.

While being in contact with top roller surface (9), top roller apron (17) makes a rotational movement together with the top roller (9) in a way that it will also contact the slot (15.2.1) surface formed on the bearing arm (15.2) of the bearing part (15) mounted on the guide arm (3) on the other side.

As it is seen in figure 7a, 7b and 7c, bearing part (15) mounted on the guide arm (3) comprises; a connection part (15.1) having the suitable space that enables it to be mounted on the guide arm (3), preferably two bearing arms (15.2) formed on sides of the connection part (15.1) as one, and slots (15.2.1) formed on the bearing arms (15.2) in order to fit the apron (17) accurately. Slots (15.2.1) allow the apron (17) to make rotation movement together with the top roller (9) on the bearing arms (15.2) without any lateral drift. As an alternative to the bearing arms (15.2) that are built immobile, couplings and spools that allows the apron's (17) rotational movement can also be used as bearing parts.

As it is clearly seen in figure 8, there is an adjustment channel (15.3) formed on the connection part (15.1) upper surface. Bearing part (15) is mounted on the guide arm (3) by the help of a fixing member (19) passing through the adjustment channel (15.3). Bearing part (15) is enabled to be mounted on different places on the guide arm (3) thanks to the adjustment channel (15.3) and thus apron's (17) stiffness can be adjusted by adjusting the distance between bearing arm (15.2) and top roller (9).

In figure 9a, a perspective view is given showing the contact way of delivery drafting roller (1) and top roller (9) in the previous art. In figure 10a, a perspective view showing the contact way of delivery drafting roller (1) and invention subject top roller apron (17) is given. The width of the top roller apron (17) used is preferably half of the top roller (9).

In figure 9b, fibre squeezing distance (A1) and contact width (B1) in between the top roller (9) and delivery drafting roller (1) in the prior art is shown. In figure 10b, fibre squeezing distance (A2) and contact width (B2) in between the invention subject top roller apron (17) and delivery drafting roller (1) is shown. The side views given in figure 4a and 4b shows the squeezing distances of A1 and A2. As it is also seen in figures, thanks to the invention subject top roller apron (17) contact width (B2) is decreased compared to the prior art, however, fibre squeezing distance (A2) increases. By the increase in fibre squeezing distance (A2), fibres are held better and are squeezed under higher pressure. Because of this, fibre control becomes much more easier and yarn quality increases.

For mathematical explanation of Figure 9b and 10b, below conditions should apply; a) F1 = F2, b) Top roller (9) of figure 9a and top roller (9) of figure 10a's materials should be elastic and their hardness should be equal; c) Top roller apron (17) width, namely B2, is smaller than present top roller width B1 ,

In this case it becomes;

A2 > A1 Since the F1 and F2 forces in the figures apply on a circular surface it becomes;

B1/B2 > A2/A1 In this case, we can express the equality as;

A1xB1 > A2xB2

Based on these data, P1 pressure that is applied on the fibre in the prior art is;

P1 = (F1/2)/(A1xB1)

And P2 pressure applied on the fibres in the invention subject system in figure 10a shall be;

P2 = (F2/2)/(A2xB2)

According to the data given above, since F1 = F2 and A1xB1 > A2xB2, it becomes;

P2 > P1

That means, under a constant force F, pressure force applied on the fibres on a unit area is increased thanks to the top roller apron (17) used in the invention subject system. Because of this, fibres are held better and controlled much more easily and yarn quality increases. Effective cleaning provided by the new position of clearer roller (18):

With the new position of clearer roller (18), clearer roller can catch and accumulate the fibres (20) that can not enter the magnetic compactor (12) just at the outlet effectively on itself, it prevents these to join the structure of yarn uncontrollably and it provides a cleaner working area.

As it is seen in figure 6a and 6b, clearer roller (18) having a cylindrical shape in the prior art is quite far from the zone that fibres (20) that can not go in to the compactor form fluffs, thus its cleaning effect is very little. As it is seen in figure 5 and 6c, clearer roller (18) is positioned in an area much more closely to the fibres that form fluffs thanks to the invention subject clearer roller guide (16). Thus, fluffs formed in between the top roller apron (17) and magnetic compactor (12) is collected on the clearer roller (18) effectively. Clearer roller (18) is in contact with the top roller apron (17), and performing a rotating motion driven by the apron (17), it collects the fibre flosses on, and prevents these to join the yarn structure and thus increases the yarn quality.

The protection scope of this application is specified under claims and cannot be restricted to the descriptions given only for demonstration purposes. It is clear that any innovation to be provided by a person skilled in the art by means of change in parts in form and use of similar embodiments can be applied in other areas for similar purposes. Therefore, it is obvious that such embodiments will violate the invention.

Claims

1. A magnetic compact yarn production system used to produce compact yarn; having a delivery drafting roller (1) and a middle drafting roller (2) made of metal based material that provide the necessary driving (rotational motion) for system to work, a top roller (9) pushed against the delivery drafting roller (1) via a guide arm (3), a bottom apron (8) covered on the middle drafting roller (2) and bottom apron guide bar (6), a top apron (7) covered on the top apron roller (5) and apron cradle (4), and a system in which the fibres that go through delivery drafting roller (1) and top roller (9) after they passed in between bottom apron (8) and top apron (7) and compacted as they go downwards in the squeezing channel (12.1) inside the magnetic compactor (12), and after the compacted fibres come out of squeezing channel (12.1) fibres undergo a twisting operation by passing between the front roller (10) and delivery drafting roller (1), and it is characterized in that it comprises;

- a bearing part (15) having at least one bearing arm (15.2),

- a top roller apron (17) performing a rotational movement together with the top roller (9) in contact with top roller (9) surface at one side, and in contact with the bearing arm (15.2) of the bearing part (15) on the other side.

2. A magnetic compact yarn production system according to claim 1 , and it is characterized in that it comprises; said bearing part (15) is mounted on the guide arm (3).

3. A magnetic compact yarn production system according to claim 1, and it is characterized in that it comprises; slots (15.2.1) formed on the bearing arm (15.2) in contact with the top roller apron (17) in a way that it allow the apron (17) to make rotation movement together with the top roller (9) on the bearing arms (15.2) without any lateral drift.

4. A magnetic compact yarn production system according to claim 1 , and it is characterized in that it comprises; width of the top roller apron (17) used to increase the force effect formed by the guide arm (3) on the fibres is less than the width of top roller (9).

5. A magnetic compact yarn production system according to claim 1 , and it is characterized in that it comprises; said top roller apron (17) is made of a corrosion resistant material compared to the top roller (9) which is made of rubber material.

6. A magnetic compact yarn production system according to claim 1 , and it is characterized in that it comprises; said top roller apron (17) has a larger perimeter compared to the present top roller (9).

7. A magnetic compact yarn production system according to claim 1 , and it is characterized in that it comprises; bearing part (15) mounted on the guide arm (3) comprises; a connection part (15.1) having the suitable space that enables it to be mounted on the guide arm (3), preferably two bearing arms (15.2) formed on sides of the connection part (15.1) as one, and at least one slot (15.2.1) formed on it.

8. A magnetic compact yarn production system according to claim 1 , and it is characterized in that it comprises; an adjustment channel (15.3) formed on the upper surface of the connection part (15.1), that adjusts the distance between the bearing arm (15.2) and the top roller (9) and thus adjusting the stiffness of the top roller apron (17) by enabling the bearing part (15) to be mounted on different positions on the guide arm (3).

9. A magnetic compact yarn production system according to claim 1 , and it is characterized in that it comprises; bearing part (15) is mounted on the guide arm (3) by the help of the fixing member (19) passing through the adjustment channel (15.3).

10. A magnetic compact yarn production system according to claim 1 , and it is characterized in that it comprises; clearer roller guides (16) acting as support for clearer rollers (18) in a way that it will allow the cylindrical clearer rollers (18) that are mounted in a way that they will be close to the magnetic compactors (12) and front rollers (10) under each guide arm (3), to perform a rotational movement in contact (frictional contact) with the top roller apron (17).

11. A magnetic compact yarn production system used to produce compact yarn; having a delivery drafting roller (1) and a middle drafting roller (2) made of metal based material that provide the necessary driving (rotational motion) for system to work, a top roller (9) pushed against the delivery drafting roller (1) via a guide arm (3), a bottom apron (8) covered on the middle drafting roller (2) and bottom apron guide bar (6), a top apron (7) covered on the top apron roller (5) and apron cradle (4), and a system in which the fibres that go through delivery drafting roller (1) and top roller (9) after they passed in between bottom apron (8) and top apron (7) and compacted as they go downwards in the squeezing channel (12.1) inside the magnetic compactor (12), and after the compacted fibres come out of squeezing channel (12.1) fibres undergo a twisting operation by passing between the front roller (10) and delivery drafting roller (1), and it is characterized in that it comprises; in order to increase fibre squeezing distance (A2) and thus the pressure applied on the fibres on the delivery drafting roller (1);

An apron (17) which is narrower compared to the top roller (9) is mounted on the top roller (9) in a way that it can perform rotational movement together with the top roller (9) and can apply pressure force on the delivery drafting roller (1)

12. A method according to claim 11 , and it is characterized in that it comprises; said apron (17) is placed, in a way that it can perform a rotational movement together with the top roller (9); using a bearing part (15) having at least one bearing arm (15.2) mounted on the guide arm (3).

13. A method according to claim 11 , and it is characterized in that it comprises said top roller apron (17) is made of a corrosion resistant material compared to the top roller (9) which is made of rubber material.

14. A magnetic compactor yarn producing system according to claim 11 , and it is characterized in that it comprises; said top roller apron (17) has a larger perimeter compared to the present top roller (9).

15.A method according to claim 11 , and it is characterized in that it comprises; cylindrical clearer rollers (18) are mounted by the help of clearer roller guides (16) in a way that they will be close to front roller (10) and magnetic compactor (12), and clearer rollers (18) perform a rotational movement in contact (frictional contact) with the top roller apron (17) and collects the fibres that can not go through compactor (20) on itself.