Structure and Properties of MVS Yarns in Comparison with Ring Yarns and Open-End Rotor Spun Yarns

Soe, Aung Kyaw; Takahashi, M.; Nakajima, Masaru; Matsuo, Tatsuki; Matsumoto, Tatsumori

doi:10.1177/004051750407400911

Cited by 78 publications

(52 citation statements)

References 3 publications

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“…From the stand point of hairiness values, VS yarn shows the lowest value, followed by OES, CS and RS yarns, respectively. Soe et al [12] reported that, more than half of the surface area of VS yarn is covered and packed by the layer of wrapper fibers. The uniform arrangement of the wrapper fibers makes the VS yarn the least hairy.…”

Section: Resultsmentioning

confidence: 99%

“…The number of independent research works about the vortex spun yarn is very limited, and they particularly deal with the over-viewing of the system, the yarn structure and the role of process parameters in influencing the structural changes of vortex yarns [10][11][12]. The purpose of this paper is to study the properties of knitted fabrics from vortex yarn (VS) in comparison with fabrics knitted from ring spun (RS), open-end rotor spun (OES) and compact yarns (CS), when all other factors, such as yarn count and fabric tightness are held constant.…”

Section: Introductionmentioning

confidence: 99%

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Comparative study on the characteristics of knitted fabrics made of vortex-spun viscose yarns

Örtlek

Önal

2008

Fibers Polym

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Murata vortex spinning system is based on the air jet spinning system. The vast majority of previous works deal with the properties of vortex spun (VS) yarn and the spinning system. In this study, we investigated knitted fabrics from VS yarn in comparison with fabrics from ring (RS), compact (CS) and open-end rotor (OES) spun yarns made from viscose. The effect of yarn spinning system on dimensional and physical properties of knitted fabrics was explained with specific attention to fabrics from VS yarn. Shrinkage of fabrics from VS yarn has the lowest at widthwise direction, while having the highest at lengthwise direction. It is shown that the order of fabric spirality and twist liveliness for yarns from different spinning systems are quite similar. However, relation between loop shape factor and angle of spirality is inconsistent. Angle of spirality of fabrics from VS yarn is higher than fabrics from OES yarn, but lower than that of others. The bursting strength of fabrics from VS yarn is lower than that of those from RS and CS yarns and higher than that of those from OES yarn. From this study, it is also evident that fabrics from VS yarn have the lowest pilling tendency and highest resistance to abrasion.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparative study on the characteristics of knitted fabrics made of vortex-spun viscose yarns

Örtlek

Önal

2008

Fibers Polym

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“…By the help of the A Nikon SMZ 1500 microscope with a DXM 1200 digital camera, they investigated the side visual assessment of the yarn structures [7]. The fiber arrangements of the RS, OERS and MVS yarns, including the MVS yarn with the tracer fibers were observed carefully.…”

Section: Structure Of Vortex Yarnmentioning

confidence: 99%

“…They adopted the classification by Chasmawala et al [8] and modified it for ring, Open-End and vortex yarns. Description of each classification depending fiber arrangement is explained below [7]:…”

Section: Structure Of Vortex Yarnmentioning

confidence: 99%

Vortex Spinning System and Vortex Yarn Structure

Günaydin¹,

Soydan²

2017

Vortex Structures in Fluid Dynamic Problems

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Studying the yarn formation with the swirling air concept arouse of interest of the researchers for a long time because it appears to be easy to understand as a spinning principle. These kinds of systems are known as the vortex yarn spinning systems. The airjet spinning methods have been developed since it is possible to eliminate the movable elements as the spindle and the traveler in ring spinning or the centrifuge in rotor spinning. The success of Murata vortex spinning (MVS) system which is the newest system after all studies of air-jet systems has been much acceptable especially for the spinning ability of 100% cotton in high speeds (500 m/min) and the yarn structure resembling ring yarn structure rather than rotor yarns. This study summarizes the historical background of vortex spinning, the spinning principle and the structure of the yarn spun on this system, as well as the factors influencing the yarn quality and finally the developments in vortex spinning technology.

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“…Therefore, it is necessary to combine the composition of fiber materials with the diversification of yarn structures in order to improve the properties of textile products [1][2][3][4][5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Structure of Novel Composite Single Yarn from Polypropylene Staple Fibers

Kimura

Matsumoto

et al. 2012

J. Text. Eng.

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In order to utilize polypropylene staple fiber as textile material and to develop novel spun yarn with good functionality, we investigated how to construct a three-layered structure of composite single yarn and/or adopt the production method of triplet spun yarn using an experimental ring spinning frame. The unique spinning conditions were not only the types of staple fibers but also the arrangement and the distances of three rovings and the twist level of yarn. The following results were obtained : (1) By adopting the production method of triplet spun yarn with three rovings made from the different types of fibers in the arrangement of different rovings under the spinning condition with an equal distance of roving, the yarn combining side-by-side and sheath-core structures could be constructed by one point of yarn formation and one twisting process without the device for controlling of spinning tension ; (2) In the spinning method of staple-core spun yarn, it was necessary to control the difference between spinning tensions of the sheath layer with side-by-side structure and the staple-core layer under the spinning condition with the lower twist level of yarn ; (3) For constructing the staple-core layer from polypropylene fiber with greater torsional rigidity, it was important not only to control the greater length of drafted fiber strands for the sheath layer but also to choose the fineness and cut length of the sheath and the core fibers and the composition ratio of polypropylene fiber and to have the greater spindle speed in the spinning frame.

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Structure and Properties of MVS Yarns in Comparison with Ring Yarns and Open-End Rotor Spun Yarns

Cited by 78 publications

References 3 publications

Comparative study on the characteristics of knitted fabrics made of vortex-spun viscose yarns

Comparative study on the characteristics of knitted fabrics made of vortex-spun viscose yarns

Vortex Spinning System and Vortex Yarn Structure

Structure of Novel Composite Single Yarn from Polypropylene Staple Fibers

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