Characterisation of Air-Jet textured yarn structure through

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  • Characterisation of Air-Jet textured yarn structure ...

    Request PDF | Characterisation of Air-Jet textured yarn structure through image analysis | Air-jet texturing, also known as cold fluid texturing, is one of the three major processes used to impart ...

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  • Characterizing Bulkiness and Hairiness of Air-Jet Textured ...

    Recently, characterization of the air-jet textured yarn structure [14] was carried out by image analysis, and the bulkiness and hairiness of ATY [15] were also measured using image techniques. The ...

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  • Air-jet texturing: Effect of jet type and some process ...

    2016-7-20 · Air-jet texturing is basically a mechanical process and can be used for both thermoplastic and non-thermoplastic filament yarns as well as for their blends. The textured yarns produced by this process resemble the natural fibre based spun yarns both in appearance and physical characteristics.

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  • Properties of air-jet textured yarns

    Air-jet texturing is a unique and purely mechanical texturing method that produces entangled filament bulked yarns of low extensibility with the use of cold supersonic airstream. Generally, the...

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  • Air-jet yarn texturing and its nozzles - Textile Today

    2015-3-1 · 1. Introduction. Air-jet texturing is one of the most versatile methods known to convert flat syntheticfilament yarns to textured yarns. Over the years, developments in air jet texturing have been related to the developments in nozzle design. With this development yarns from finer denier to extremely coarse denier can be textured.

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  • Air-Jet Textured Yarns: The Effects of Process and Supply ...

    2020-4-22 · An air-jet textured yarn and a cotton yarn of approximately the ... To achieve this degree of overfeed, the yarn passes through the feed roller sys- tem FR l or FR2 faster than it does through the delivery roller system DR. The overfed filaments enter the nozzle and are blown out from the exit ... textured yarn structure. 1All the pressures ...

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  • Wicking behaviour of air-jet textured yarns

    2016-7-20 · air-jet textured yarns have bipartite structure with core and surface loops, the configuration ofloops and their frequency may influence the wicking behaviour, since part of the liquid travels through the periphery of the yarn. Presence of long drawn out loops like …

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  • (PDF) Vision Based System For Yarn Fault Characterisation

    Vision Based System For Yarn Fault Characterisation. January 2010; ... Prediction and Engineering of Air-Jet Textured Yarn Properties Using Artificial Neural Network ... Operating through ...

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  • Optimization of process parameters in air-jet texturing of ...

    2010-9-14 · 2.2 Preparation of Textured Yarn Samples Initially, before the actual textured yarn preparation, the supply yarns were run through the air-jet texturing machine individually as well as in 50/50 blend to understand the behavior of the yarns under actual running conditions and to select the range of process parameters that successfully runs for

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  • (PDF) Air-jet texturing of draw-textured yarns

    R.S. Rengaswamy. The bulk of air-jet textured yarns is evaluated by measuring the parent and textured yarn package densities, thickness of the fabric produced from the air-jet textured …

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  • Air-Jet Textured Yarns: The Effects of Process and Supply ...

    2020-4-22 · An air-jet textured yarn and a cotton yarn of approximately the ... To achieve this degree of overfeed, the yarn passes through the feed roller sys- tem FR l or FR2 faster than it does through the delivery roller system DR. The overfed filaments enter the nozzle and are blown out from the exit ... textured yarn structure. 1All the pressures ...

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  • Properties of air-jet textured yarns

    Structure of air textured yarn is such that these yarns have high bulk, low stretch and spun like appearance and handle. In air jet texturising, hot pin temperature also plays important role in ...

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  • Wicking behaviour of air-jet textured yarns

    2016-7-20 · air-jet textured yarns have bipartite structure with core and surface loops, the configuration ofloops and their frequency may influence the wicking behaviour, since part of the liquid travels through the periphery of the yarn. Presence of long drawn out loops like …

    Get Price
  • Air-jet texturing of twisted filament yarns using new jets ...

    2016-7-20 · Air-jet texturing of twisted filament yarns using new jets: Part II-A comparison of yarn and fabric characteristics for equally bulked air textured yarns using zero twist and pre-twisted feeder yarns A K Sengupta, V K Kothari & J Srinivasan Department of Textile Technology, Indian Institute of Technology, New Delhi 110016, India

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  • Air-jet yarn texturing and its nozzles - Textile Today

    2015-3-1 · 1. Introduction. Air-jet texturing is one of the most versatile methods known to convert flat syntheticfilament yarns to textured yarns. Over the years, developments in air jet texturing have been related to the developments in nozzle design. With this development yarns from finer denier to extremely coarse denier can be textured.

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  • An Analysis of the Air-jet Yarn-texturing Process - Reply

    2020-4-22 · inadequacy of instability- test results alone for judging the quality and s uitability of air-jet-textured yams for intended end-uses. In that paper, it is suggested that, for a sound assessment of air-jet-textured yams, the physical properties and structure of the textured yarn should also be analysed in addition to making instability tests.

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  • Effect of air-jet texturing on adhesion behaviour of ...

    2008-8-30 · Since air-jet texturing is a fully mechanical process no change of the type of the bonds between rubber and yarn is expected. Therefore, the improvement of the adhesion has been attributed to two reasons below: 1. Changes on the fiber surface due to air-jet texturing. 2. Changes of the yarn geometry due to air-jet texturing.

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  • Effect of Air-Jet Texturing on Adhesion Behaviour of ...

    2020-4-22 · It is well known that in air-jet texturing, feeder yarn properties and texturing process parameters influence the structure and properties of the textured yarns [8]. It is also well known that air-jet texturing results in a mechanical loss of yarn strength owing to the disorientation of the single filaments and fiber damage.

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  • AN ANALYSIS OF THE AIR-JET YARN-TEXTURING

    2020-4-22 · AN ANALYSIS OF THE AIR-JET YARN-TEXTURING PROCESS PART VI: THE MECHANISM OF LOOP FORMATION . M. ACAR, R. K. TURTON, and G. R. WRAY . Loughborough University, UK . ABSTRACT . After a brief summary of the findings and conclusions of the previously reported investigations on the air-jet texturing process, a mechanism of loop formation is postulated.

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  • Air Jet Texturing Process,Air Jet Blended Yarn,Air Jet ...

    Read article about Air Jet Texturing Process - A process is disclosed for producing an Air Jet Blended Yarn and Air Jet Textured Yarn having low dry heat shrinkage. Moisture Wicking Yarn Process ...

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  • Air-jet yarn texturing and its nozzles - Textile Today

    2015-3-1 · 1. Introduction. Air-jet texturing is one of the most versatile methods known to convert flat syntheticfilament yarns to textured yarns. Over the years, developments in air jet texturing have been related to the developments in nozzle design. With this development yarns from finer denier to extremely coarse denier can be textured.

    Get Price
  • Air Jet Texturing Process,Air Jet Blended Yarn,Air Jet ...

    Read article about Air Jet Texturing Process - A process is disclosed for producing an Air Jet Blended Yarn and Air Jet Textured Yarn having low dry heat shrinkage. Moisture Wicking Yarn Process ...

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  • Air-Jet Yarn - an overview

    Figure 10.6 shows a micrograph of an air-jet yarn made from 50/50 polyester/cotton staple fibers, the polyester fibers having a length of 1.5 inches ( 38 mm) and the cotton an upper half mean length of 1.05 inches ( 27 mm). The wrappers that give the structure cohesion are denoted by W in the micrographs. Polyester dominates the wrappers and cotton is more prevalent in the core.

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  • An Analysis of the Air-jet Yarn-texturing Process - Reply

    2020-4-22 · inadequacy of instability- test results alone for judging the quality and s uitability of air-jet-textured yams for intended end-uses. In that paper, it is suggested that, for a sound assessment of air-jet-textured yams, the physical properties and structure of the textured yarn should also be analysed in addition to making instability tests.

    Get Price
  • A VISION BASED YARN SCANNING SYSTEM

    2020-4-22 · properties similar to those of spun yarns. Such an example is the air-jet textured yarn which has a spun-like structure with a compact core and surface loops occurring randomly along its length [4]. These loops are very much like the fibres protruding from the surface of a spun yarn but with closed loops instead of free fibre ends.

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  • Disc 2 – Air Jet Texturing – PolySpinTex, Inc.

    The course content has 25 topics ranging from theoretical principles through machine design to calculations and specification development and testing. Introduction to air jet texturing air jet texturing principles individual spindle drive machine line shaft drive machines yarn structure machine description creels machine description POY attachment

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  • Properties of polyester/wool parent and air-jet textured ...

    2013-11-1 · Indian Journal of Fibre & Textile Research Vol. 27, June 2002, pp. 156-160 7 (( ~ Properties of polyester/wool parent and air-jet textured yarn and their fabrics V K Kothari' & S K Bari Department of Textile Technology, Indian Institute of Technology, New Delhi 110016, India

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  • AN ANALYSIS OF THE AIR-JET YARN-TEXTURING

    2020-4-22 · AN ANALYSIS OF THE AIR-JET YARN-TEXTURING PROCESS PART VI: THE MECHANISM OF LOOP FORMATION . M. ACAR, R. K. TURTON, and G. R. WRAY . Loughborough University, UK . ABSTRACT . After a brief summary of the findings and conclusions of the previously reported investigations on the air-jet texturing process, a mechanism of loop formation is postulated.

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  • Development of an instrument to study shrinkage

    2013-12-21 · characteristics of single end air-jet textured yarns are affected by both the properties of supplied yarn (type of yarn, linear density of individual filament, number of filaments and geometry of filament cross-section) and the process parameters (overfeed, air pressure, speed, wet or dry processing and heater temperature).

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  • Importance of Air Permeability/Fabric porous structure in ...

    2019-4-29 · Fabric air permeability is a measure to what extent it gives air passing through the fabric. Air permeability, a given area in the vertical direction of the air flow rate, a given time period, as measured by the fabric test area inside the pressure …

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  • Analysis of the Properties of Air-textured Sewing Threads

    2004-6-1 · Air-jet textured threads are produced by feeding polyester yarns through a turbulent region of compressed air [4]. The yarn is opened, loops formed and are then closed. The loops are locked inside and on the surface by applying heat under tension. Such a thread is often referred to as an entangled thread. Air-jet texturing enables the production of

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  • Thickness and compressional characteristics of air‐jet ...

    2002-4-1 · Thickness and compressional characteristics of air‐jet textured yarn woven fabrics Thickness and compressional characteristics of air‐jet textured yarn woven fabrics A. Mukhopadyhay; A.K. Dash; V.K. Kothari 2002-04-01 00:00:00 The effect of pick density, constituent filament fineness and heat‐setting on the fabric thickness and compressional properties have been studied before and after ...

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  • Holographic air-jet textured yarn - Milliken & Company

    1999-11-23 · The metallized polyester yarn 36 is pulled off the free-wheeling bobbin 38 by the speed of the take-up yarn 40, which is 192 meters/min. and is delivered through the wetting head 34 into the air texturing jet wherein it is textured and plied with the effect yarn 12 and the core yarn 14 to form the three-ply holographic yarn 40 delivered to the ...

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  • Texturing

    Texturing methods can be placed roughly into six groups. Also see Textured Yarns. Air Jet Method– In this method of texturing, yarn is led through the turbulent region of an air jet at a rate faster than it is drawn off on the far side of the jet. In the jet, the yarn structure is opened, loops are formed, and the structure is closed again.

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  • PHYSICAL CHARACTERISTICS OF COTTON/POLYESTER

    2010-5-25 · Only air-jet core yarn showed lower yarn strength than 100% cotton yarn but the same yarn excelled in other properties compared to 100% cotton yarn. Key words: Air-jet, cotton, polyester, ring frame, SEM, yarn 1. Introduction Core yarn structure consists of two components: one forms the central axis or core of the yarn and the other is the covering

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  • British Library EThOS: Optimising the lamination ...

    These were expected to enhance the resistance to delamination in the woven glass composites.Glass yarns were textured by a Stähle air jet texturing machine. Core-and-effect yarn was produced instead of a simple air textured yarn. Hand loom and vacuum bagging techniques were used for making the fabric and composite panels from both textured and ...

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  • SINCRO PREMIUM - Air covering - Texturing range

    2021-7-6 · A further evolution of Fadis world known SINCRO Multipla Air Jet - PREMIUM is our latest development: the SINCRO MULTIPLA AQUAJET PREMIUM - AIR TEXTURING MACHINE.. This machine model is perfectly combining the main features that are characterizing every Fadis product: flexibility, easy handling and quality of the yarn. Starting from our SINCRO Multipla Air Jet - …

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  • Investigation of the influence of effect-yarn draw and ...

    2014-7-2 · Loop density of textured yarns. 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 decrease of loop density in the case of air-jet textured yarns may be due to smaller loops. It suggests that the increase of effect-yarn draw ratio increases the level of texturing and hence make smaller loops.

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  • Development and Characterisation of Nonwoven Fabrics

    2020-1-9 · is passed through the high water pressure jet head for bonding of the fibres as shown in Figure 1. The Fabrics were prepared at varying hydroentanglement pressures of 100 and 125 bars with two passes, at the line speed of 3 m/min. The orifice of jet strip was 150 µm and the density of the jet orifice was 5.56/cm. All the fabrics were manufactured

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  • Analysis of the Properties of Air-textured Sewing Threads

    2004-6-1 · Air-jet textured threads are produced by feeding polyester yarns through a turbulent region of compressed air [4]. The yarn is opened, loops formed and are then closed. The loops are locked inside and on the surface by applying heat under tension. Such a thread is often referred to as an entangled thread. Air-jet texturing enables the production of

    Get Price
  • Development and Characterisation of Nonwoven Fabrics

    2020-1-9 · is passed through the high water pressure jet head for bonding of the fibres as shown in Figure 1. The Fabrics were prepared at varying hydroentanglement pressures of 100 and 125 bars with two passes, at the line speed of 3 m/min. The orifice of jet strip was 150 µm and the density of the jet orifice was 5.56/cm. All the fabrics were manufactured

    Get Price
  • Air-Jet Textured Yarns: The Effects of Process and Supply ...

    2018-2-6 · Air-Jet Textured Yarns: The Effects of Process and Supply Yarn Parameters on the Properties of Textured Yarns A. Demir, M. Acar, and G. R. Wray Textile Research Journal 2016 58 : 6 , 318-328

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  • PHYSICAL CHARACTERISTICS OF COTTON/POLYESTER

    2010-5-25 · Only air-jet core yarn showed lower yarn strength than 100% cotton yarn but the same yarn excelled in other properties compared to 100% cotton yarn. Key words: Air-jet, cotton, polyester, ring frame, SEM, yarn 1. Introduction Core yarn structure consists of two components: one forms the central axis or core of the yarn and the other is the covering

    Get Price
  • Air Jet Texturing Process,Air Jet Blended Yarn,Air Jet ...

    Read article about Air Jet Texturing Process - A process is disclosed for producing an Air Jet Blended Yarn and Air Jet Textured Yarn having low dry heat shrinkage. Moisture Wicking Yarn Process ...

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  • Different yarns

    The yarn structure of rotor yarn, air jet yarn and vortex yarn determines the small twist potential. Rotor yarns have both Z-twist and S-twist, so the twist potential is relatively low. Air-jet yarns also have good post-processing characteristics due to the high proportion of …

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  • (PDF) Airjet texturing

    Key words air-jet texturing, yarn wetting, inter- filament friction, loop formation and fixation, spin finish The air-jet texturing process produces spun-like yarns by this entrained water, usually adhered to the surface of the modifying the uniform …

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  • Textile Yarns - CottonWorks™

    2020-5-7 · Figure 2 - Textured Filament Yarn. 3.0 Staple Spinning Systems 3.1 Ring Spun Yarns The processing of a cotton ring spun yarn must go through a carding machine. If it is desired, the fiber may also be combed which would be in addition to the carding. A

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  • Textured yarn and fabric - Burlington Industries, Inc.

    The preferred structure for air jet 22 is more fully shown in FIG. 2. Basically the jet comprises a body 24, advantageously tubular, of steel or other metal having a stepped tubular passage or bore 26 running lengthwise thereof, the yarn or yarns and air flow passing through passage 26 …

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  • British Library EThOS: Optimising the lamination ...

    These were expected to enhance the resistance to delamination in the woven glass composites.Glass yarns were textured by a Stähle air jet texturing machine. Core-and-effect yarn was produced instead of a simple air textured yarn. Hand loom and vacuum bagging techniques were used for making the fabric and composite panels from both textured and ...

    Get Price
  • ABSTRACT - repository.lib.ncsu.edu

    2016-8-30 · structure of the air-jet textured yarn, mechanism of loop formation, role of water in texturing etc. This current research is aimed to study one such aspect namely the effect of process variables and nozzle design on the tensile properties of the air-jet textured yarns.

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  • ABSTRACT - NCSU

    2016-8-30 · properties of air textured Kevlar yarns.( Under the direction of Dr.William Oxenham) Air texturing is an extremely versatile mechanical yarn bulking process that improves the handle and tactile properties of continuous multifilament yarns. Kevlar , poly(p-phenylene terephthalamide) , due to its excellent mechanical and thermal

    Get Price
  • Different yarns

    The yarn structure of rotor yarn, air jet yarn and vortex yarn determines the small twist potential. Rotor yarns have both Z-twist and S-twist, so the twist potential is relatively low. Air-jet yarns also have good post-processing characteristics due to the high proportion of …

    Get Price
  • Maharaja Sayajirao University of Baroda

    Air jet yarn had shown higher bulk, loop size and loop frequency. However it lagged in terms of mechanical properties, stability of textured configuration from mechanical crimp textured yarns. Unlike air jet textured, mechanical crimp textured yarn denier was found almost identical to parent yarn.

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  • Heberlein - Heberlein

    2021-8-29 · An overview. Air migration jets. High yarn speed, low thread line spacings, and microfilament yarns in the spinning mill result in optimal preparation and a good locking of the filaments. The Heberlein air migration jet causes an even, economical distribution of the preparation. It produces a crossing of the filaments without interlacing points.

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  • Department of Textile Technology IIT Delhi

    Effect of feed yarn parameters on air-jet textured yarn properties, Fibers and Polymers, 16 (2), 463-470. R. K. Baldua, R. S. Rengasamy and V. K. Kothari (2014). Comparison of artificial neural network and regression models for prediction of air-jet textured yarn properties, Indian J Fibre Text, 39(2014) 157-162.

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  • Optimising The Lamination Properties Of Textile

    2012-8-1 · These were expected to enhance the resistance to delamination in the woven glass composites.Glass yarns were textured by a Stähle air jet texturing machine. Core-and-effect yarn was produced instead of a simple air textured yarn. Hand loom and vacuum bagging techniques were used for making the fabric and composite panels from both textured and ...

    Get Price
  • Drawing & Texturising Process

    2018-12-5 · Air jet Texturising: 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. An example of this method is the taslam process; Air jet ...

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  • Department of Textile and Fibre Engineering

    2020-8-18 · The evaluation of structure through thermo-mechanical properties, ... air-jet and water-jet looms, comparison of various weft insertion systems, principles of two phase, multiphase, circular and narrow ... Testing of special yarns (textured yarns, core yarn, ropes, braids etc). Testing of …

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  • Drawing and texturising - SlideShare

    2014-3-26 · 4. 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.

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  • PHYSICAL CHARACTERISTICS OF COTTON/POLYESTER

    2010-5-25 · Only air-jet core yarn showed lower yarn strength than 100% cotton yarn but the same yarn excelled in other properties compared to 100% cotton yarn. Key words: Air-jet, cotton, polyester, ring frame, SEM, yarn 1. Introduction Core yarn structure consists of two components: one forms the central axis or core of the yarn and the other is the covering

    Get Price
  • ABSTRACT - NCSU

    2016-8-30 · properties of air textured Kevlar yarns.( Under the direction of Dr.William Oxenham) Air texturing is an extremely versatile mechanical yarn bulking process that improves the handle and tactile properties of continuous multifilament yarns. Kevlar , poly(p-phenylene terephthalamide) , due to its excellent mechanical and thermal

    Get Price
  • Investigation of Fibers Damages during Air Jet Processing ...

    2015-4-3 · Air jet textured yarns from polyester multi filaments are widely used in different field such as carpet industry recently. One of the most important matters in usage is durability and stability. Therefore, investigation the effect of air jet variables on filaments damages is very important in texturing process whereas the control of these effective parameters guarantees durability of yarn in ...

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  • Development and Characterisation of Nonwoven Fabrics

    2020-1-9 · ao Cheema SM, Shah TH, Anand SC, Soin N (21) Development and Characterisation of Nonwoven Fabrics for Apparel Applications. Tetile Sci ng : 35. doi: 1.41722165-64.1 35 Page 2 of 7 ee g a oe ae oa oe e 3 35 26564 In this study, functional hydroentangled fabrics have been developed

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  • Investigation of the influence of effect-yarn draw and ...

    2014-7-2 · Loop density of textured yarns. 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 decrease of loop density in the case of air-jet textured yarns may be due to smaller loops. It suggests that the increase of effect-yarn draw ratio increases the level of texturing and hence make smaller loops.

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  • New instrument for the measurement of weft velocity in

    2012-6-1 · Air-jet weaving has a relatively high energy demand, when compared with the other shuttleless weft insertion processes. This is mainly on account of having to produce compressed air for weft insertion , , which consumes some 70% of the total energy usage .The air consumption in inserting a given type of yarn also depends on its linear density (Tex) and also its ‘air friendliness’.

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  • Textiles chapter 10 Flashcards

    yarn with:-fuzzy surface-high twist-short fibers that pull apart-partially parallel fibers-protruding ends that stop close close contact with skin-dull luster, lint, pills-increased space and air between fibers (increased insulation bc more room to trap air)

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  • Craftmanship of Atlas 46 Products

    2021-8-17 · Jet Textured Fabrics™ Before becoming fabric, our nylon yarn goes through an extra process known as Air-Jet Texturing, giving the yarn more abrasion resistance, bulk, a softer feel and a a matte finish for the look and durability you expect from Atlas 46. Learn more..

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  • 6.1 TEXTILE TESTING AND QUALITY CONTROL II

    2015-9-24 · 6. Introduction to Air-jet spinning. Principle of yarn formation (06 hrs) 7. Introduction to Friction Spinning. Principle of yarn formation (06 hrs) 8. Comparison of Ring, Rotor yarn, Air-jet yarn, Friction yarn (03 hr s) 9. Introduction to texturing process. Different texturing processes, their overview. Application and advantages of Textured ...

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  • Student Information Pack - Fashion Trendsetter

    2005-2-2 · textured yarn. The resultant yarn has strength with stretch and recovery. Air Covering/Co-mingling Where two or more yarns of different properties are brought together in an air jet, which inserts entanglement points or ‘nodes’which hold the yarn together.

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  • CONTINUOUS NANOFIBER YARNS TWISTED THROUGH

    2014-2-18 · He, J.-X., et al.: Continuous Nanofiber Yarns Twisted through Three-Dimensional … 1270 THERMAL SCIENCE, Year 2013, Vol. 17, No. 5, pp. 1269-1276 glomeration and twisting. Air twisting had significant applications in traditional spinning, such as air-jet spinning [4], air-jet vortex spinning [5], air-textured yarns and so on.

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  • THE EFFECTS OF SEWING THREAD PROPERTIES ON THE

    In this study, three types of sewing threads, air-jet textured (PET), core- spun (PET/PET) and (PET)-spun were used. These threads were prepared in the Durak Textile Factory in Bursa. Two different lubricant types and two different lubricant feeding rates were applied to these sewing threads. The properties of each sewing thread before applying

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  • Aerodynamic Continual Weft Brake - WIT Press

    1 Description of the solved problem The air jet weaving is the most productive weaving system, where the weft yarn is transported through the weaving channel by air flow. The system of jet weaving was developed by the foregoer of Textile Machines Research Institute (VUTS) in Liberec – CZ and widespread in the whole world.

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  • Production - Grodno Khim

    Production of nylon BCF texturized yarn. Nylon BCF textured yarn, used for production of carpet floor coverings, is manufactured at the state-of-the-art spin-draw-texturing and winding equipment of Neumag company. Our equipment and technology allow producing nylon texturized yarns with linear density 1000 dtex, 1100 dtex, 1300 dtex, 1800 dtex ...

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  • 22 Types Of Yarns In Textile – Explained!!! - Textile Property

    2021-8-30 · Vortex is also an open end yarn that is manufactured in vortex spinning machine. The fineness of vortex yarn is coarse to medium fine. Air-jet yarn; Air jet yarn is a false twist or zero twist yarn. Like vortex and rotor yarn, air-jet is also an open end yarn. Air-jet yarns are manufactured in air-jet spinning machine. Types of Yarns according ...

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  • Textile Books Free Download

    2017-7-19 · We will give you any of the 2 books from the below list if you fulfill our conditions. If you want to download this book , you need to write an unique article about textile related topics. The article must be at least 500 words or above and contains valuable information. No copy paste is allowed and we will check plagiarism to confirm.

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  • Nptel Textile

    2020-8-17 · NPTEL Textile spinning is included in the courses given below-. Principles of combing, roving preparation and ring spinning. Science and technology of weft and warp knitting. Stuttleless weaving. Yarn manufactures 1. Yarn manufactures 2. Theory of Yarn Structures. Textured Yarn Technology. Evaluation of textile materials.

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