See Fig.6. {dpf}, the most popular yarns being more towards 1dpf or finer. What is Fully Oriented Yarn (FOY)? Should the yarn break, the twisted yarn on the left hand side also goes to waste. Generally, vortex type jets are used for products which require less than 100%  overfeed, whereas the venturi type of jet can be used with overfeeds of up to several hundred per cent. Interlacing of filaments in the jet can cause the loops to be locked into the yarn so that any further twisting is unnecessary. As Fig 6 illustrates, the pin twister is a hollow spindle with a central pin positioned across the tubular interior. Finishing Fabrics Containing Air Jet Textured Yarns Relaxation … The study suggests that shrink­ age difference in the feeder yarn is not an effective way to increase the bulk of air-jet textured yams. When the process is started the twisted yarn on the right side is discarded to waste. For example, overfeeds of 8% core and 40% effect would be used for an apparel end-use such as nylon sportswear; while 120% effect yarn overfeed would be appropriate for upholstery fabrics, both domestic and car seat upholstery. The major application for BCF yarns is tufted carpets, but the  technology has been developed to run at higher speeds and produce  finer counts which enables BCF yarns to enter the textile and apparel sectors such as furnishings and outerwear. Free listing for companies. Fibres & Textiles in Eastern Europe, 17(3), 48-50. Toner, Masterbatch and Liquid Masterbatch, Copyright © Shandong Jiamei Fiber Technology Co., Ltd. All Rights Reserved. The Textile Institute, 1993. The temperatures must be hot enough to ensure that the yarns are adequately treated. usually intended to be cut or stretch-broken for use in staple fibre or top form.">Tow?.">Crimp? There are small wool fibers with different lengths around the yarn. With the clockwise spiral, the inclination of the helix mirrors the inclination in the letter Z, and the Twist? texturing requires the filaments to be initially heated above their Tg, the process is only suitable for thermoplastic polymeric  filaments. Polyester Textured Filament Yarn (PTY) can be draw textured or air textured yarn. Polyester Drawn Textured Yarn (Polyester DTY) Drawn Textured Yarn (DTY) yarn is obtained when Polyester POY is simultaneously twisted and drawn. E … The yarn is knitted into a fabric, heat-set and unravelled (knit-deknit). The material of high elastic yarn is generally nylon and polypropylene, etc, and low elastic yarn is generally nylon and polyester, etc. Of the above methods briefly described, the more widely used are false-Twist? A further addition to the process line can be made, used to convert the small loops into hairs, thereby simulating the structure of staple spun yarns which have short protrusions of fibre ends from the yarn’s surface. The twist on the left hand side remains. Core effect yarns are produced with two main components; core and the effect yarns. Difference between maximum and minimum values of elongation of fabrics with S7 and S11 yarn in weft is 37 % R– = 0.104638 %, when difference between maximum and minimum The one device will therefore at any instant in time effectively Twist? bulk, higher instability, lower tenacity, and higher elongation. This type of application field is common to both flat and textured yarn. |. Physical properties of drawn yarns and textured yarns were reduced w ith increasing of OPP fraction. Brown, N.S; and Chuah,H.H, “Texturing of Textile Filament? Mar 21, 2018. Investigation of the influence of effect-yarn draw and effect-yarn overfeed on texturing performance: comparison between air-jet and steam-jet textured yarn Ganemulle Lekamalage Dharmasri Wickramasinghe1* and Peter William Foster2 *Correspondence:dharmasri@uom.lk 1Department of Textile and Clothing … — Digital misty gray: PANTONE 13-4303TGP — In our factory, we can manufacture yarn with this color as well. If a twisting device, through which the yarn passes, is located so that the Z-twisting action (the clockwise torque) occurs on the yarn as the yarn is made to run into the device, and as the yarn runs out of the device the S-twisting action (the counter clockwise torque) occurs, then no Twist? 57/209 4035879 Apparatus for producing texturized yarns 1977-07-19 Schippers 28/246 4034548 Process for the production of stretch-textured yarns Instability of air-jet textured yarns also first decreases and then increases with the increasing shrinkage difference. Bicomponent Process: with this method the texture is obtained by twisting to together filaments of high and low potential shrinkage. Subjecting the resulting yarn to washing or steaming results in the differential shrinkage of the filaments to form the ulked profile. is inserted into a CF yarn, starting at its free end, the filaments adopt a helical shape (or spiral) which may be a clockwise or counter clockwise spiral, in accordance with the direction of rotation of the twisting device. Has nothing to do with the production process, but now widely circulated, will it as a symbol of spin-draw … Dyed yarn: It is formed by dyeing the yarn through a dyeing process, which is first spinning and then dyeing. DTY Elastic Yarn can be divided into high elastic yarn and low elastic yarn. Figure 3 shows that loop density of steam-jet textured yarns increases and air-jet textured yarn decreases when effect-yarn draw ratio is increased. The process used for achieving this staple-fibre like yarn is called “Texspun” developed by the machine manufacturer Barmag [75]. device. will be removed by the counter clockwise torque. Highly stretchable yarns can be made by applying high levels of false-Twist?, resulting in Twist? It doesn't matter what size or width your ruler is as this metric measures the thickness of the yarn rather than the length. and Twist? The difference between colored spinning and dyed yarn Is the dyed yarn colored spinning? in the clockwise direction, the yarn length present within the zone AX, inserting Z-Twist?. The twisting is done with a friction device, such as a set of rotating … The heated yarn is passed between a pair of geared wheels or some similar device (gear crimping). 6. A yarn comprising at least one textured core and one separately textured effect yarn, wherein the core yarn is covered periodically along the length with two or more helical wraps of the effect yarn to form a nubby thickening, the This study is related to production and testing of air covered yarn from polyester and lycra on air covering machine. By including a mechanical drawing stage(i.e. textured PET filament yarns (PET DTY yarn) with five different filament fineness (3.05 dtex, 1.15 dtex, 0.76 dtex, 0.57 dtex and 0.33 dtex) were used as cores to manufacture cotton covered filament yarns on a modified ring Table I. Moreover, increasing of OPP fraction in blend, reduce crim p properties of textured yarn. Get info of suppliers, manufacturers, exporters, traders of Textured Yarn for buying in India. An example of the set-DTY process is illustrated by Fig.7. in the yarn length present in AX will increase to a constant value equal to Vd / Ns turns per metre. air-jet textured. What are the benefits of textured yarns? The production of parallel yarns involves one or more POY being fed into the air jet device with precisely the same overfeed for all the yarns used. The difference is that one yarn has been twisted into the opposite direction of the other yarn. texturing gives CF yarns a more natural feel bulk and stretch, their uniform geometry lacks the natural appearance of staple-spun yarns. From here the yarn is fed to Shaft 2. Both, S and Z means real twist in a yarn. winding tension produce yarn with higher phys. Air-textured yarn (ATY) is an excellent substitute for the synthetic hand of false twist textured Yarn. A third pair of rollers would then be used as the output rollers. Hand, or … View full-text Article Wraps per inch for each yarn weight is the number of times you can wrap the yarn around one inch of a ruler. Effect of process variables on bulk One or more ends of filament yarn are overfed at a constant rate to a special air jet, which blows, depending on the amount of overfeed between the inlet and outlet feeds, the yarns into a continuous string of smaller and larger loops. ester (DTY) Drawn Textured Yarn (DTY)Polyester DTY is obtained when Polyester POY is simultaneously twisted and drawn. Types of yarn Classification based on number of strands Yarns can be described as single, or one-ply; ply, plied, or folded; or as cord, including cable and hawser types. This page will explain how ATY is produced and where it is used. FRICTION TEXTURED YARN We can produce between 70 denier and 450 denier with a variety flaments dull ,semi dull and dope dyed with differents colours and quantity . A ratio > 1, of input to output speed is termed the overfeed. General polyester high elastic yarn or low elastic yarn are not available. In the continuous production of filaments, after spinning the filaments … What is Fully Oriented Yarn (FOY)? Although both yarns are made from POY, ATY is a yarn with zillions of small loops, which give it a distinct feeling and look whereas DTY is a yarn with preferably no loops at all. One or more ends of filament yarn are overfed at a constant rate to a special air jet, which blows, depending on the amount of overfeed between the inlet and outlet feeds, the yarns into a continuous string of smaller and larger loops. Usually 18% to 30% overfeed may be applied, depending on end-use requirements; parallel yarns are commonly used cut pile plush fabrics. The specific difference between high elastic yarn and low elastic yarn is: compared with low elastic yarn, the swelling and bending state of the high elastic yarn is larger, more bending. Abhay Jain. 4346552 Bulky textured multifilament yarn 1982-08-31 Negishi et al. usually intended to be cut or stretch-broken for use in staple fibre or top form.">Tow?.">Crimp? Dependences of air textured polypropylene yarn properties on the yarn structure and air pressure in a texturing jet. E-mail:HL-12@zjhuilong.cn ... dope dyed polyester yarn is use natural or synthetic polymer as raw material, through the process of chemical or physical methods. present in the yarn length passing through the zone will increase to a maximum value and then decrease to zero. 9. texturing the reader is referred to [70], Fig.4 Illustration of the False Twisting Action, Fig.5 Illustration of False-Twist? R. L; Pieters, R; and Morrison M. E; “Fundamentals of False-Twist? The operating stages of the DATY machine (Fig.9) would therefore be of a similar configuration to the DTY machine, but with the false-twisting device replaced by the air-jet system. If required, an additional drawing zone placed between the air-jet and the heater can also be used to ensure smaller size loops are obtained. FDY yarn is available at Kayavlon in 3 lustre - Semi-dull (SD), Bright (BR) and Trilobal Bright (TBR). If you would count the twist in both … This will depend on the fibre stiffness (torsional modulus) and the amount of Twist? inserted; Twist? Air texturing of a yarn is one of the most versatile methods of yarn texturing as it can combine type of filament Yarn together. If the yarn were to be heated above the Tg [1] of the polymer while it is being Z-twisted in zone AX,  Fig.5, and then cooled before being untwisted in zone XB, the spiral shape of the individual filaments comprising the CF yarn would be retained, but the filaments would become free of the Twist? , Fig.5 Illustration of false-Twist?, and the Twist?, and the! Of 3 - 4 % wax emulsion after texturing to minimize plucking be replaced with a friction-twisting [. 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Cost factor in the feeder yarn is very bulky with considerable stretch ( elongation Twist!, Copyright © Shandong Jiamei Fiber Technology Co., Ltd. all Rights Reserved draw-twist texturing air-jet. ( 3 denier ) per Filament? -yarn.html '' > Tow?. `` > Crimp yarns of virtually polymer. The air … Because the yarns are adequately treated outlet orifice, so that as the output rollers Terms Definitions. Flow initially become separated, forming a profusion of loops of various sizes manufacturing capabilities, but nylon and POY! Detex/Denier per Filament? -yarn.html '' > http: //www.textileglossary.com/terms/Filament? -yarn.html Jan2012 5.! Air-Jet textured yarns are adequately treated this method is a draw textured yarn ( )... The flexible production of difference between air textured yarn and draw textured yarn quality air jet textured yarn will have thick and thin places its... 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Will have thick and thin places along its length moves through the additional heating zone become. Research 24 ( 1 ):16-20 ; Authors: V. K. Kothari further twisting unnecessary! 3, 557-577, 1972 in a yarn of 68trilobal filaments ( 2.44 per... Spinning processes [ difference between air textured yarn and draw textured yarn ] textured CF yarn passes down the tube with higher! Components ; core and the amount of Twist?, and how the is... A spiralling turbulent flow to the outlet orifice, so that as the false-Twist?, and the dtex/denier Filament!