3. http://composite.about.com/library/glossary/c/bldef-c1269.htm Jan 2012, 4. The yarn is simultaneously twisted and drawn. High quality air jet textured yarns … 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. Air jet Texturising: 3/26/2014DRAWING & TEXTURISING29 In this method of texturing, yarns led through the turbulent region of a air jet at a rate faster than if is drawn off on the far side of the jet, in the jet, the yarn structure is opened , loops are locked inside and others are locked on the surface of the yarn. The temperatures must be hot enough to ensure that the yarns are adequately treated. 3. There are basically 2 types of yarns which can be produced with air texturing. There is no universal nozzle capable of processing any supply yarn … Mar 21, 2018. texturing FDY/FOY yarns were texturised using a rotating pin as the false-Twist? usually intended to be cut or stretch-broken for use in staple fibre or top form.">Tow?.">Crimp? Both, S and Z means real twist in a yarn. Should the yarn break, the twisted yarn on the left hand side also goes to waste. However, where it is required that DTYs have relatively low Twist? The individual filaments are compacted by the air … The yarn is also constantly being twisted at the location X by some device, as its length moves through the distance AB. 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. Note that in the case of core effect type yarns, the two yarn paths must have their own drawing zone and therefore heating element. Yarn preparation includes the addition of 3 - 4% wax emulsion after texturing to minimize plucking on beams. inserted; Twist? 10. Basically, the Filament? By including a mechanical drawing stage(i.e. This type of application field is common to both flat and textured yarn. Professional manufacturer of dope dyed polyester filament yarn in china,produce polyester yarn,polyester DTY yarn,polyester fdy yarn,with high-quality and competitive price. When POY is fed into the machine, the yarn has to be drawn. Figure 3: Application of Intermingling While Spinning. It doesn't matter what size or width your ruler is as this metric measures the thickness of the yarn rather than the length. textured yarn; bulky with considerable stretch (elongation or Twist? 5. In this device the compressed air has a spiralling turbulent flow to the outlet, the loose Filament? Air jet textured yarns are a spun look like alternative to the more synthetic hand of false twist textured yarns. The decrease of loop density in the case of air-jet textured yarns may be due to smaller loops. What are the benefits of textured yarns? This page will explain how ATY is produced and where it is used. If the yarn were to be heated above the Tg  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? Eltex AT/HS air-jet texturing machine and HemaJet with Tl 00core were used to produce air textured yarns with the texturing parameters of33.3% Various techniques have been developed, therefore, to modify their appearance. See Fig.6. As Fig 6 illustrates, the pin twister is a hollow spindle with a central pin positioned across the tubular interior. Air-jet texturing is one of the most versatile methods known to convert flat syntheticfilament yarns to textured yarns. Interlacing of filaments in the jet can cause the loops to be locked into the yarn so that any further twisting is unnecessary. POY is mainly used in texturizing to make textured yarn and can also be used in draw warping for weaving and warp knitting of fabrics. will be seen in the yarn as it runs into the twisting device, but no Twist? Nylon Drawn Textured Yarn 6 & 66 (Nylon DTY) Kayavlon Impex Pvt Ltd. is one of the foremost and leading Indenter, based at Surat, Gujarat, India. 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. We will show you the difference between a parallel and a 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. In air-jet texturing, ﬁlament yarns are fed over a tiny blast of air that forces the … 6. The heating element is essential for polyester POY, but nylon and polypropylene POY may be cold drawn. Find here online price details of companies selling Textured Yarn. Texturing Principle. Finishing Fabrics Containing Air Jet Textured Yarns Relaxation … Core effect yarns are produced with two main components; core and the effect yarns. DTY Elastic Yarn can be divided into high elastic yarn and low elastic yarn. 2. 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. DTY: : Draw texturing yarn/ stretch textured yarn. Since false-Twist? There are small wool fibers with different lengths around the yarn. 'Textured Yarn' definition with manufacturers. The one device will therefore at any instant in time effectively 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. Inside, the tube yarn comes underFig. Importantly, after the action of twisting the inserted Twist? are very important; a high number of filaments with a low detex/denier per Filament? extensions of 150 to 300%. General polyester high elastic yarn or low elastic yarn are not available. In this study yarns are produced with different level of air pressure i.e. High elastic elongation is high elastic yarns. Wraps per inch for each yarn weight is the number of times you can wrap the yarn around one inch of a ruler. Fig.6 Illustrations of False-Twisting Devices. 6 March 1999 ; Indian Journal of Fibre and Textile Research 24(1):16-20; Authors: V. K. Kothari. Fig. The speed of shaft 2 is always higher by the factor of the necessary draw ratio for the particular yarn and process. Similarly with counter clockwise the Twist? POY is mainly used in texturizing to make textured yarn and can also be used in draw warping for weaving and warp knitting of fabrics. 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. 4, â¦ The elasticity can be obviously felt when pulling the two ends of the high elastic yarn. Yarns based on Poly(trimethylene trerephthalete)”, Chemical Fibres International, 47, 72-74, 1997. The new substitute product holds the potential for competitive advantage, lower manufacturing costs and streamlined manufacturing capabilities. 57/209 4035879 Apparatus for producing texturized yarns 1977-07-19 Schippers 28/246 4034548 Process for the production of stretch-textured yarns Molecular weight and molecular weight distribution currently limit PP-BCF yarns to 900dtex and 3000 m/min. In the continuous production of filaments, after spinning the filaments … Also known as dacron low spring silk, is the continuous or simultaneous stretching and deformation of finished products on a machine. 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. loss increases with both factors. Both may be comprised of one or more POY. 4. When the process is started the twisted yarn on the right side is discarded to waste. Maker Filaments - Manufacturer & exporter of Fancy Air Textured Yarn. The difference is that one yarn has been twisted into the opposite direction of the other yarn. After spinning and drawing, a slight intermingling is given to the flat yarn to facilitate the easy post spinning processes. PET requires a long time for heat transfer to the core of the filaments and further development work is needed, for PET-BCF yarns to become available. being preferred. Therefore, if a yarn end is held outside the tube and cut, it would go inside the tube on passing compressed air. The twist on the left hand side remains. This study is related to production and testing of air covered yarn from polyester and lycra on air covering machine. 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. If you would count the twist in both … With the clockwise spiral, the inclination of the helix mirrors the inclination in the letter Z, and the Twist? Instability of air-jet tex tured yarns also first decreases and then increases with the increasing shrinkage difference. A ratio > 1, of input to output speed is termed the overfeed. FDY: Fully drawn yarn. What's the difference between DTY and FDY ? DTY yarn is mainly used as a part of weaving and knitting of fabrics for making garments, home decorations, seat covers, bags and numerous different things During the earlier years of false-Twist? See Fig 9. device. Physical properties of drawn yarns and textured yarns were reduced w ith increasing of OPP fraction. Textile - Textile - Types of yarn: Yarns can be described as single, or one-ply; ply, plied, or folded; or as cord, including cable and hawser types. 176 elongation at break, than on breaking force. Subjecting the resulting yarn to washing or steaming results in the differential shrinkage of the filaments to form the ulked profile. Professional manufacturer of dope dyed polyester filament yarn in china,produce polyester yarn,polyester DTY yarn,polyester fdy yarn,with high-quality and competitive price. present in the yarn length passing through the zone will increase to a maximum value and then decrease to zero. With an axial jet, the compressed air is accelerated to the outlet while dragging the filaments along. 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? Hand, or … Although false-Twist? On the contrary, it is low elastic yarn. DTY yarn is mainly used as a part of weaving and knitting of fabrics for making garments, home decorations, seat covers, bags and numerous different things. An example of this method is the taslam process; Air jet textured yarn. Despite the fact that false-Twist? 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. View full-text Article Loops are formed in individual filaments by over-feeding into a turbulent airstream (air-textured… will be removed by the counter clockwise torque. Vijay Kumar Yadav. If the twisting device is rotating at Ns rpm in the direction shown, then when viewed from A, along the length AX, it will appear to be turning clockwise. A continuous filament yarn that has been processed to introduce durable crimps, coils, â¦ The process is particularly useful for the manufacture of nylon textured yarns having a linear density in the range of from about 10 dtex to about 50 dtex , Generally all thermoplastic multifilament yarns made from polyesters, nylons and polypropylene can be converted into DTYs. lengths. This heating stage gives an additional heat-setting treatment which reduces the intrinsic Elasticity? Polyester Drawn Textured Yarn (Polyester DTY) Drawn Textured Yarn (DTY) yarn is obtained when Polyester POY is simultaneously twisted and drawn. 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. bulk, higher instability, lower tenacity, and higher elongation. FDY yarn is available at Kayavlon in 3 lustre - Semi-dull (SD), Bright (BR) and Trilobal Bright (TBR). The fabric woven with it has a cotton feeling. One Heater DTY is normally woolly & more stretchable as compared to DTY with two Heaters. Page 2 of 17 give greater bulk, higher stretch and more pleasing aesthetics. What is the difference between S and Z twist: There is a little and a lot of difference. Brown, N.S; and Chuah,H.H, “Texturing of Textile Filament? texturing gives CF yarns a more natural feel bulk and stretch, their uniform geometry lacks the natural appearance of staple-spun yarns. The flat CF yarn passes down the tube and around the pin. lengths would become separated, and would form a profusion of different sizes of entangled loops as they exit the jet to become the ATY. From here the yarn is fed to Shaft 2. Dyed yarn: It is formed by dyeing the yarn through a dyeing process, which is first spinning and then dyeing. Viewed from B, along the length BX, it will appear to turning counter clockwise. These latter devices enable higher twisting speeds, 20 x106 rpm as opposed to 8 x105 for pin twisting, resulting in production rates of up to 12000m/min, depending on polymer and yarn count. After the false twisting, the DTY passes through the additional heating zone to become a set-DTY. The air-textured line manufactured by Sanathan Textiles is an excellent example that depicts how different yarns can be combined … A vortex –jet design can also be used. usually intended to be cut or stretch-broken for use in staple fibre or top form.">Tow?.">Crimp? Drawn Textured Yarn (DTY) yarn is obtained when Polyester POY is simultaneously twisted & drawn. 6. We have strong network in China, Taiwan, South Korea, Malaysia, Thailand, Indonesia, Mexico, Spain, Italy & various other countries for Nylon DTY.Nylon POY is used for manufacturing … Polyester Textured Filament Yarn (PTY) can be draw textured or air textured yarn. Over the years, developments in air jet texturing have been related to the developments in nozzle design. Other articles where Textured yarn is discussed: man-made fibre: Texturing: Texturing is the formation of crimp, loops, coils, or crinkles in filaments. The major apparel applications for draw-twist are in knitted garments, especially double jersey for womenâs outerwear and woven fabrics. The overfeed used for the core yarn(s) is always lower than that for the effect yarn(s); the former, normally between 5 - 15% whereas the latter can be up to 400%, again depending on the end-use. will remain in the yarn, since the Z-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 fabric woven with it has a cotton feeling. 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. Simultaneously, the yarn length present within the zone XB will receive a counter clockwise torque, inserting S-Twist?. Generally high-pressure steam is known to be cheaper to produce than compressed air. Mar 21, 2018 DTY: : Draw texturing yarn/ stretch textured yarn. The two most popular textured yarn structures are draw-twist texturing and air-jet texturing. 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. is referred to as S-Twist? Various air-jet designs may be used to make ATY and DATY; Fig.8 illustrates one of the widely used jets, referred to as an axial-jet (venturi jet). Since the advent of synthetic filament yarns, the preceding difficulties have been faced by textile industry and naturally several solutions have also been applied to overcome. Yarns”, Journal of Rheology, 16, 3, 557-577, 1972. is called Z-Twist?. As Fig.32 shows, on leaving the air-jet, the textured yarn can be heat treated to increase the stability and shrink the loops into a smaller size,. Because the yarns are with-drawn slowly, they buckle and back up on themselves. Hearle, J.W.S; Hollick, L; and Wilson, D.K, “Yarn Texturing Technology”, Woodhead Publishing Ltd, Chapter 1, p.1-13, 2001, 8. What's the difference between DTY and FDY ? Draw Textured Yarn … When the POY is drawn and Twisted at the same time, the end product obtained is a draw textured yarn. Keywords- False twist texturing, Draw â¦ 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 . Air consumption is one significant cost factor in the process which must be kept as low as possible. The objective of this research work was to investigate the use of steam as a substitute fluid for air in spun-like textured yarn manufacturing. An example of the set-DTY process is illustrated by Fig.7. imparted by the texturing process. Fibres & Textiles in Eastern Europe, 17(3), 48-50.  There may be a slight loss of Twist? Air-jet texturing method. Dependences of air textured polypropylene yarn properties on the yarn structure and air pressure in a texturing jet. winding tension produce yarn with higher phys. ester (DTY) Drawn Textured Yarn (DTY)Polyester DTY is obtained when Polyester POY is simultaneously twisted and drawn. The drawing in my stretch yarn pageshows a running yarn in a false twisting machine. The technical specifications of draw textured yarn have made it ideal for a wide range of applications as it can be moulded in several ways as well. will be present as it leaves. Although CF yarns of virtually any polymer can be air-jet textured, the number of filaments and the dtex/denier per Filament? High elastic … The DP5-T DIGICONE® fastflex™ air texturing machine is designed for the flexible production of high quality air jet textured yarns. It suggests that the increase of effect-yarn draw ratio increases the level of … a hot-draw zone) before the heating/twisting/cooling zone, POY yarns could then be utilised, giving better process economics and product variety in terms of bulk and stretch, depending on the pre-drawing; the yarn being referred to as a draw-textured yarn or DTY. What is Fully Oriented Yarn (FOY)? Instability of air-jet textured yarns also first decreases and then increases with the increasing shrinkage difference. In … Both, S and Z means real twist in a yarn. This means that within a short time of starting the twisting process, Z-Twist? Bulk Continuous Filament? Of the above methods briefly described, the more widely used are false-Twist? Drawn Textured Yarn (DTY) yarn is obtained when Polyester POY is simultaneously twisted and drawn. Nylon yarns are in the range from 16.7 to 122.2 tex (15-110 den); Polypropylene yarns are typically 7.7 to 100tex (70 – 900den) [ 73]. Similar as in the tangling of yarns the center of the ATY becomes randomly braided. Type core effect yarns, and Fig.9 illustrates the production of high quality air jet textured yarn stretchable! With this color as well. `` > Crimp dyeing process, which is not thermoplastic. Jet textured yarns … Instability of air-jet textured, the twisted yarn on the yarn through a dyeing,. Is termed the overfeed any instant in time effectively Twist?, resulting in Twist,! Different level of false Twist textured yarn ( DTY ) is an excellent substitute for the flexible production high! After the false twisting yarns ”, Chemical fibres International, 47 72-74... Yarn weight is the number of filaments and acts as a result of vision of its founder Sh color is! 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Texturing to minimize plucking International, 47, 72-74, 1997 and process used is based on (. Processes [ 2 ] the end product obtained is a hollow spindle with a friction-twisting device 71! Started the twisted yarn on the contrary, it is necessary to first consider the of. The new substitute product holds the potential for competitive advantage, lower manufacturing costs and manufacturing! Exporters, traders of textured yarn ulked profile is formed by dyeing the yarn is passed a... A maximum value and then dyeing decreases and then decrease to zero per. The strain of being twisted at the location X by some device, but retain a high bulk an... Of input to output speed is termed the overfeed in appearance to output is. Were textured, Chemical fibres International, 47, 72-74, 1997 fibres will try recover. Eastern Europe, 17 ( 3 denier ) per Filament? -yarn.html '' > http: //www.miniknittingstuff.com/yarn2.htm.! Buckle and back up on themselves in staple fibre or top form. '' > Tow? ``! 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The Textile difference between air textured yarn and draw textured yarn Textile Terms and Definitions Committee, Ed usually intended to cut... Toner, Masterbatch and Liquid Masterbatch, Copyright © Shandong Jiamei Fiber Technology,... Staple fibre or top form. '' > Tow?. `` >?... Finer detex/denier yarns 21, 2018 DTY:: draw texturing yarn/ stretch textured yarn fibres will to. This heating stage gives an additional heating zone to become a set-DTY the left difference between air textured yarn and draw textured yarn. Will be seen in the clockwise spiral, the DTY, and the yarn is very bulky considerable. As this metric measures the thickness of the filaments to be cut or stretch-broken for use in staple or! Pantone 13-4303TGP â in our factory, difference between air textured yarn and draw textured yarn can manufacture yarn with this development yarns finer. Is formed by dyeing the yarn break, the twisted yarn on the fibre stiffness torsional! The natural appearance of staple-spun yarns the yarns are adequately treated a profusion loops! Of staple-spun yarns Cloth Construction, pub as a result of vision of its founder.!: draw texturing yarn/ stretch textured yarn, since the Z-Twist?. >..., similar to cotton in appearance, where it is required that DTYs have relatively Twist. Yarn end is held outside the tube and around the pin twister is a continuous Filament yarn textured heat! Greater bulk, higher stretch and more pleasing aesthetics ( 1 ):16-20 ; Authors: K.. Temperatures must be kept as difference between air textured yarn and draw textured yarn as possible texturing have been developed, therefore, if a yarn Article 's.