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Acat et al. [6] have previously the air-jet texturing mechanism. shown that a higher stabilizing tension in the mechanical stretch region was associated with improved quality of the textured yarn. Stabilizing zone tension was measured and Yarn-to-yarn Kinetic Friction used as an indication of the quality of the textured yarn pro- The objective ...
Get PriceAfter 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. The factors affecting loop formation are analysed in the light of the mechanism described. This mechanism of loop formation is claimed to be valid for all types of texturing nozzle because the underlying requirement to ...
Get PriceIt is shown that the quantity of water mixing into the air-flow is an insignificant proportion of the total amount of water used in the air-jet texturing process and that this has a negligible effect on the air-flow in the texturing nozzle. It is suggested that only a fraction of this water is needed to impart the desired effects of wetting.
Get Price2010-4-2 · dc.contributor.advisor: Oxenham, William, Committee Co-Chair: en_US: dc.contributor.advisor: Pourdeyhimi, Behnam, Committee Co-Chair: en_US: dc.contributor.advisor
Get PriceThe properties of the supply yam and the processing parameters together determine the final properties of air-jet-textured yams. An investigation is reported on how variations in overfeed, air-pressure, and texturing speed, wet or dry processing, and the use of an impact element each affect the properties of the yam textured . The test plan and the test methods are described, prior to a report ...
Get Price2010-9-14 · Air-jet texturing is one of the several processes used to convert synthetic filament yarns to textured yarns and is the most versatile of all known texturing methods. The air-jet texturing process is widely known for its ability to produce continuous filament yarns with spun yarn like appearance. ...
Get Price2009-1-1 · 2. SYSTEM DESCRIPTION Air-jet texturing provides a means of creating texture in yarns. Further, it is a useful means of producing a yarn structure near to that associated with staple yarns. This is an important concession to the tastes of the ultimate consumer. Twisting and air-jet texturing …
Get Price2016-7-20 · Air-jet texturing is a pneumo-mechanical bulking different jets. Attempts to bulk spun yarns in air-jet process in which a bundle of multifilament yarn is texturing by the present authors revealed that the new overfed into a nozzle and subjected to an air stream, jets have an untwisting action on the yarn II …
Get PricePhysical properties of the composite yarn using low-melting(LM) polyester/Tencel were investigated with air-jet texturing conditions such as temperature, take-up overfeed, yarn speed and air pressure.
Get Price2018-6-11 · The mechanism of the air-jet texturing: the role of wetting, spin finish and friction in forming and fixing loops. Textile Research Journal, 76(2), 116-125. Search in Google Scholar [9] Mahish, S. S., Punj, S. K., & Kothari, V. K. (2010). Comfort and handle related properties of P/V blended air-jet …
Get Price2014-12-1 · Although most texturing process, the air-jet texturing process excepted, some sort of irregularity to the parallel arrangement of filament to enhance hand and optical properties, the resultant textured yarn still lacks of interfilament cohesion. Consequently several difficulties are observed during winding and fabric forming processes.
Get Price2020-1-10 · Air-jet texturing of technical polyester yarns was performed in order to improve its adhesion to rubber. The air-jet texturing parameters were selected with great care to minimize the mechanical loss. H-adhesion ... trices, but also on the nature of the Þber surface and the mechanism of load transfer
Get Price2020-9-25 · texturing process. The jet is a modular construction consisting of a quick release housing which works with an array of different inserts which are easily exchanged. The range of jet inserts covers all yarn types from very fine to coarse yarns. Air interlacing Individual filaments are intermingled using a stream of compressed air.
Get PriceUpon removal of the air signal, spring mechanism 57 causes rolls 52 and 54 to disengage and rolls 58 and 60 to engage to overfeed yarn 46. The textured yarn 68 exiting the air jet is guided to and through feed rolls 16 and 16' and into and through the steam chamber 18 where it is subjected to saturated steam.
Get Price2019-4-2 · Magnesium with 10% SiC is identified to be a suitable composition for wear resistance application. To improve the utilization of this composite for various industrial applications, erosion study has been conducted by using air jet erosion tester with varied machining conditions. The composite is prepared by a conventional stir casting process. Alumina is taken as an erodent particle. Impact ...
Get PriceAn air texturising machine for the production of fancy yarn comprises: a first godet roller (4, 4') for a core yarn (6), a second godet roller (5, 5') for the fancy yarn (7), an air texturising nozzle (6) for weaving the yarn (6, 7), and a mechanism for modifying the molecular structure of the yarn (6, 7). The molecular structure of the yarn (6, 7) is modified by changing the temperature of ...
Get PriceEffects of core-yarn overfeed on texturing performance: comparison between air-jet and steam-jet texturing. The Journal of The Textile Institute, 107(3), 291-299. [18] Wickramasinghe, G. L. D., & Foster, P. W. (2015). Investigation of the effect of core-yarn wetting on air-jet and steam-jet spun-like texturing …
Get PriceThe properties of the supply yam and the processing parameters together determine the final properties of air-jet-textured yams. An investigation is reported on how variations in overfeed, air-pressure, and texturing speed, wet or dry processing, and the use of an impact element each affect the properties of the yam textured . The test plan and the test methods are described, prior to a report ...
Get PriceBy means of a ruby laser, pulsed-laser holography—because of its high speed, non-destructive, and real-time properties—is introduced to the field of textile engineering for studying the behaviour of filaments emerging from a jet nozzle during the air-jet texturing process. It is proved that this is an efficient method to investigate the mechanism of the air-texturing process.
Get PriceThe air-jet texturing process for synthetic continuous multi-filament yarns is more versatile than any other texturing process and provides the most effective simulation of natural staple spun yarns. ... and the ultimate goal of the work is to achieve a better understanding of the mechanism of the texturing process and to make suggestions for ...
Get Price2009-7-7 · the air-jet nozzle by the FC. Texturing Process . The air-jet texturing process forms a yarn with tightly convoluted, entangled and looped filaments resembling yarns spun from staple fibres such as cotton and wool. In this process of air-jet texturing, multi filament yarn is fed into a narrow channel where it meets with a flow of compressed air and
Get PriceRead 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 ...
Get PriceThis research established a clear understanding of the mechanism of the loop and entanglement formation in the air-jet texturing and the air-intermingling processes. Improvements to both processes have been suggested and more efficient and cost effective nozzles have been designed and evaluated. 2.
Get PriceStudy on the Air-jet texturing mechanism based on the air flow characteristics of nozzle, Shanghai Nature Science Foundation. Poly(lactic acid) composite toughened and reinforced by e lastomer and montmorillonite ， The scientific research foundation for Returned Overseas, MOE.
Get PricePhysical properties of the composite yarn using low-melting(LM) polyester/Tencel were investigated with air-jet texturing conditions such as temperature, take-up overfeed, yarn speed and air pressure. Surface morphology, microstructure, tensile property, glossiness were evaluated. Surface morphology of a composite yarn had more damaged and loosened structure according to increase of take-up ...
Get Price2020-9-25 · texturing process. The jet is a modular construction consisting of a quick release housing which works with an array of different inserts which are easily exchanged. The range of jet inserts covers all yarn types from very fine to coarse yarns. Air interlacing Individual filaments are intermingled using a stream of compressed air.
Get PriceAir Texturing Jet Nozzle. Recommend Product. ATY Jet HousingATY. Copper Jet Housing. ATY QRC. ATY Jet Core. BCF NozzleBCF. Detorque Jet. Air Texturing Jet Nozzle. Quick Coupling Connector. All Products. Latest News. ... Turkey PDF The mechanism of air-jet textureQuality service ...
Get Price2014-2-18 · edge crimping, the gear crimping, the knit-deknit, the air-jet texturing and the bicomponent crimping [5-9], a complete review on various fiber crimp is available in ref. [4]. These tradi-tional technologies of fiber crimp are mature for mass-production of crimped fibers, however, the precise mechanism of the fiber crimp is rare and preliminary ...
Get Price2020-11-19 · This is the mechanism of self-twisted yarn. Air-jet spinning wrap yarn formation. Air-jet spinning passes through the air-jet nozzle to make the strands rotate at a speed of about 2500 r/min and undergo vortex torsion, so that the exposed free fiber ends on the surface of the yarn wrap the yarn body to form a wrapped yarn, as shown in Figure 1 ...
Get Price2021-8-26 · False twist texturizing method: In a false twist texturizing machine, the passage of the multi- filament yarn is as: Feed roller- heating- cooling- twister- take up roller. Modified stretch yarn is obtained with 300% stretch. In this process a POY yarn is allowed to pass between two shafts. The POY yarn is then fed to the shaft one from which ...
Get Price2009-7-7 · the air-jet nozzle by the FC. Texturing Process . The air-jet texturing process forms a yarn with tightly convoluted, entangled and looped filaments resembling yarns spun from staple fibres such as cotton and wool. In this process of air-jet texturing, multi filament yarn is fed into a narrow channel where it meets with a flow of compressed air and
Get PriceRead 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 ...
Get PriceThis research established a clear understanding of the mechanism of the loop and entanglement formation in the air-jet texturing and the air-intermingling processes. Improvements to both processes have been suggested and more efficient and cost effective nozzles have been designed and evaluated. 2.
Get PriceSELECTION CRITERIA FOR THE AIR-JET TEXTURING PROCESS.....53 2.10. SUMMARY ... Figure 2.6 Mechanism of air-jet texturing [Acar et al 2006] .....37 Figure 2.7 First Air-Jet Process “Taslan” by Du Pont .....39 Figure 2.8 Taslan jets (a) Type 7 (b) Type 8 (c) Type 9 (d) Type 10 (e) Type 11 (f) ...
Get PriceAir Texturing Jet Nozzle. Recommend Product. ATY Jet HousingATY. Copper Jet Housing. ATY QRC. ATY Jet Core. BCF NozzleBCF. Detorque Jet. Air Texturing Jet Nozzle. Quick Coupling Connector. All Products. Latest News. ... Turkey PDF The mechanism of air-jet textureQuality service ...
Get Price2020-11-19 · This is the mechanism of self-twisted yarn. Air-jet spinning wrap yarn formation. Air-jet spinning passes through the air-jet nozzle to make the strands rotate at a speed of about 2500 r/min and undergo vortex torsion, so that the exposed free fiber ends on the surface of the yarn wrap the yarn body to form a wrapped yarn, as shown in Figure 1 ...
Get Price2014-2-18 · edge crimping, the gear crimping, the knit-deknit, the air-jet texturing and the bicomponent crimping [5-9], a complete review on various fiber crimp is available in ref. [4]. These tradi-tional technologies of fiber crimp are mature for mass-production of crimped fibers, however, the precise mechanism of the fiber crimp is rare and preliminary ...
Get Priceor fabrics, for examples, air jet spinning, air jet texturing, air jet weaving, air vortex spinning and a range of finishing pro-cesses. Before the possibility of utilizing CFD, most of these technologies were developed well. Now, it is possible to improve those technologies by taking a closer look, which was unimaginable before 1998 [19].
Get PriceEffect of linear density of feed yarn filaments and air jet texturing process variables on compressional properties of woven fabrics, Indian J. Fibre & Textile Res., 41(1) 47-54. S. Renuka, Dipayan Das & R. S. Rengasamy (2016) Studies on needle-punched natural and …
Get Price2021-8-20 · False twist texturizing method: In a false twist texturizing machine, the passage of the multi- filament yarn is as: Feed roller- heating- cooling- twister- take up roller. Modified stretch yarn is obtained with 300% stretch. In this process a POY yarn is allowed to pass between two shafts. The POY yarn is then fed to the shaft one from which ...
Get Priceor fabrics, for examples, air jet spinning, air jet texturing, air jet weaving, air vortex spinning and a range of finishing pro-cesses. Before the possibility of utilizing CFD, most of these technologies were developed well. Now, it is possible to improve those technologies by taking a closer look, which was unimaginable before 1998 [19].
Get Price2021-7-30 · The SwissJet is designed for the effective interlacing of multifilament yarns during false-twist texturing. The jet has a housing that is specially reinforced with carbon fibres which give it particularly great strength during operation, a long life, and a very low weight. Various jet inserts are available for the different yarn types. Air ...
Get Price2015-4-18 · Thesisabstract 1. STUDIES ON AIR-JET TEXTURING OF DIFFERENT TYPES OF FEED YARNS By VIJAY KUMAR YADAV Department of Textile Technology Under the Guidance of DR. V.K. KOTHARI Thesis submitted in fulfilment of the requirement of the degree of Master of Technology to the INDIAN INSTITUTE OF TECHNOLOGY, DELHI DECEMBER, 1997
Get Price2012-5-17 · Initiation Mechanisms and Kinetics of Pyrolysis and Combustion of JP-10 Hydrocarbon Jet Fuel. 11 February 2009 | The Journal of Physical Chemistry A, Vol. 113, No. 9. Shock tube study of kerosene ignition delay. Outlet-Boundary-Condition Influence for Large Eddy Simulation of Combustion Instabilities in Gas Turbines.
Get Price2019-4-5 · A water droplet behavior on a hydrophobic surface is examined relevant to the dust particles removal from the surface. Surface crystallization of polycarbonate is realized in acetone bath and the ...
Get Price2017-3-13 · A profound understanding of how to tailor surface topographies of electrospun fibers is of great importance for surface sensitive applications including optical sensing, catalysis, drug delivery ...
Get PriceFor ultrasonic surface rolling processing, the USRP equipment mounted on the DAEWOO ACE-V500 machine tool is utilized for USRP texturing (Fig. 1(a)).This process is machined based on the static load (P st) produced by the air compressor and the ultrasonic vibration (P dy) generated by the ultrasonic generator.The piezoelectric actuator (PZT) converts electrical energy into mechanical energy.
Get Price2003-10-28 · Abstract: A method and system of obtaining a sample of fluid flowing through a duct comprises determining an average concentration of a component species of the fluid during a test including determining first and second concentrations of the component species at first and second respective duct locations, positioning first and second sample probes in the duct so that they receive …
Get Price2018-8-23 · The mechanism shows the formation process of hierarchical morphology on the as-prepared film. The surface morphology of the as-prepared PDMS/[email protected] (330 °C, 30 min) is shown in Fig. 1b. It is very obvious that micro-sized spherical particles were surrounded by a number of nano-sized particles with a diameter of approximately 100 nm.
Get PriceThe texturing mechanism is attributed to the heterogeneous nucleation and epitaxially elongated growth on the initially oriented α-Si 3 N 4 seeds. The prolonged sintering leads to a higher orientation as a result of the promoted grain growth.
Get Price2012-3-15 · Chapter 7: Air jet intermingling in yarn texturing. Abstract: 7.1 The concept of air jet intermingling. 7.2 The intermingling process. 7.3 Downstream process issues. Chapter 8: Optimisation of process parameters in yarn texturing. Abstract: 8.1 Influence of texturing …
Get Price2015-4-11 · Air-jet texturing method. In air-jet texturing, filament yarns are fed over a tiny blast of air that forces the filament into loops. This type of yarn is also called air-textured or air-entangled. Knit-de-knit crinkling method. Knit-dc-knit crinkling produces a …
Get Price2020-4-8 · • Quick release mechanism • Color-coding available • Very high quality alumina ceramic jet plates A full range of jet plates is available to cover all yarns and process requirements from standard jets to vortex jets and special chambers for high speed, etc. The FG5 Jet is also used in the Air Covering process and with the availability of ...
Get Price2021-6-14 · Spinning, Friction spinning and Air-jet Spinning) and respective machineries. 4 To learn the mathematical problem associated with day to day operations for various unconventional yarn formation technology 5 To provide overview of fancy, textured yarns & sewing threads and their manufacturing processes. Pre-Requisite:
Get Price2012-5-22 · Aircraft anti-icing and de-icing techniques and modeling. Scott K. Thomas , Robert P. Cassoni and. Charles D. MacArthur. Scott K. Thomas. Wright State University, Dayton, Ohio 45435. Search for more papers by this author. ,
Get Price2019-3-29 · Mechanism of direct reactive, acid disperses and other dyes on specified fibres. Dye-polymer interactions and methods of investigation. Role of fibre ... Different types of texturing – Twist texturing, Air-jet texturing, edge crimping stuffer box crimping, gear crimping, knit-de-knit etc.
Get Price7 Air jet intermingling in yarn texturing 124 7.1 The concept of air jet intermingling 124 7.2 The intermingling process 125 7.3 Downstream process issues 133 7.4 References 134 8 Optimisation of process parameters in yarn texturing 135 8.1 Influence of texturing parameters on yarn characteristics and performance 135
Get PriceEffect of linear density of feed yarn filaments and air jet texturing process variables on compressional properties of woven fabrics, Indian J. Fibre & Textile Res., 41(1) 47-54. S. Renuka, Dipayan Das & R. S. Rengasamy (2016) Studies on needle-punched natural and …
Get Price2003-4-7 · Ink-jet texturing is a remarkably straightforward process. A controlled mask is printed on the surface of the part, followed by a chemical or electro-chemical machining process to etch away those parts of the surface that remain exposed. The standard embodiment of ink-jet texturing, in which the surface is etched to a single depth, is termed 2D ...
Get Price2020-9-11 · Air jet texturing - Principle, mechanisms, development of jets and machinery, process optimization and characterization, air jet texturing of spun yarns. Air interlacement - Principle and mechanism, jet development and Characterization, Bulked continuous filament yarns - Need, principle, technology development. 9 25 4 Friction texturing- the ...
Get Price2015-4-11 · Air-jet texturing method. In air-jet texturing, filament yarns are fed over a tiny blast of air that forces the filament into loops. This type of yarn is also called air-textured or air-entangled. Knit-de-knit crinkling method. Knit-dc-knit crinkling produces a …
Get PriceAir -jet texturing process is an attractive metho d to produce spun yarn like appearance permanently by modifying the uniform arrangement of the continuous multi -filament yarns. The basis of this method is that yarn is overfed into the compressed air -jet stream, so that loops are forced 36 Nano Hybrids Vol. 7
Get PriceThis course would cover the fundamentals of twist texturing of fully drawn yarns. Theneed and the solutions that emerged because of material challenges and machinelimitations leading to the evolution of draw-texturing and friction texturing. Emergence ofAir - jet texturing, interlacement and bulked continuous yarns is also covered.
Get Price2019-8-13 · In this study, we aim to investigate the possibilities to reduce air consumption on current air-jet weaving looms without making a new investment in a weaving mill. Decrease of air consumption by 21% was achieved in a weaving mill by decreasing the hole diameter of the single-holed relay nozzles and by optimizing the blowing time of the multi ...
Get PriceAbstract: The invention relates to a texturing device (1) for texturing at least one continuous yarn consisting of a plurality of filaments. This texturing device (1) has at least one housing (10) and at least one nozzle core (20), which can be charged with a fluid. The nozzle core (20) includes a yarn channel (21) and at least one fluid feed channel (22), opening into the yarn channel with a ...
Get Price2015-4-18 · Thesisabstract 1. STUDIES ON AIR-JET TEXTURING OF DIFFERENT TYPES OF FEED YARNS By VIJAY KUMAR YADAV Department of Textile Technology Under the Guidance of DR. V.K. KOTHARI Thesis submitted in fulfilment of the requirement of the degree of Master of Technology to the INDIAN INSTITUTE OF TECHNOLOGY, DELHI DECEMBER, 1997
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