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S M Ishtiaque - One of the best experts on this subject based on the ideXlab platform.

  • Optimisation of a Textile Process Using Taguchi Method
    The Open Textile Journal, 2009
    Co-Authors: Akshay Kumar, S M Ishtiaque
    Abstract:

    Taguchi Method is explained in brief and one of the textile processes, called spinning process, is optimised by using Taguchi method for manufacturing optimum packing density of different technologies Yarns. The effect of process variables like: lap hank, card draft, draft/doublings and drafts at speed frame, ring frame, rotor and Air-Jet spinning ma- chine on packing density parameters of respective technology Yarn was analysed. The effect of noise variables was also accounted for. The trends of change in packing density with process variables are opposite to those of Yarn diameter and helix angle of ring, rotor and Air-Jet Yarns studied. The packing density is found to be the highest in Air-Jet Yarn and the lowest in rotor Yarn. Increase in draft in Air-Jet spinner and decrease in rotor spinner increase packing density of the re- spective Yarns. The change in noise variables does affect the packing density parameters of Yarns. Result analysis using Taguchi Method was according to the perception of some of the previous researcher on the subject. Hence, Taguchi method can be also used to optimise a textile process, where the product quality is highly variable and dependent on the combination of number of processes as well as on machine parameters. The application of Design of Experiment technique on the optimisation of an industrial process is being frequently used. These designs are considered as extremely useful tools in the modern industry. Infact, experimental designs have been used in the chemical industry for a long time and are now being increasingly used in other industries too. Several textile problems have also been studied by means of these techniques, though some of them are rather restricted in scope. Moreover, the optimisation of textile processes is quite cumbersome because it is affected by a number of fac- tors which may or may not be controllable. There are various ways to optimise the effect of controllable variables by using Designs of Experiments like Factorial, Central composite, Box - Behnken etc. The main draw back of all these tech- niques is their inability to take in to account the effect of uncontrollable factor, like environmental conditions, spindle to spindle variation etc. The replications used in these de- signs bring out the variability under similar experimental conditions and process parameters.

  • Analysis of spinning process using the Taguchi method. Part III: Effect of spinning process variables on migration parameters of ring, rotor and Air-Jet Yarn
    Journal of the Textile Institute, 2006
    Co-Authors: A. Kumar, S M Ishtiaque, K. R. Salhotra
    Abstract:

    Abstract The migration in ring Yarn (type I and type II), rotor Yarn and Air-Jet Yarn was studied in terms of three parameters - mean fibre position (MFP), mean migration intensity (MMI) and root mean square deviation (RMSD) - using classical tracer fibre technique. The effect of various process variables on migration parameters was analysed using the Taguchi method, analysis of variance and a regression model. The trends of migration parameters in ring Yarn-type I are opposite to those of ring Yarn-type II. The ring Yarn has the highest MFP and the lowest MMI. The rotor Yarn has the lowest MFP and RMSD. The Air-Jet Yarn has the highest MMI and RMSD. Increase in card draft increases the MMI and RMSDof rotor Yarn and decreases the MMI of Air-Jet Yarn.However, it tends to increase the RMSD of ring Yarn-type II, rotor Yarn and Air-Jet Yarn. A high draft/doublings at draw frame increases MFP in ring Yarn-type II, rotor Yarn and Air-Jet Yarn. A decrease in ring frame/Air-Jet draft or an increase in speed frame...

  • Analysis of spinning process using the Taguchi method. Part V: Effect of spinning processvariables on physical properties of ring, rotor and Air-Jet Yarns
    Journal of the Textile Institute, 2006
    Co-Authors: A. Kumar, K. R. Salhotra, S M Ishtiaque
    Abstract:

    Abstract Effect of lap hank and drafts, of various spinning sequence of machines, was studied on physical properties of different Yarns using Taguchi method and analysis of variance. The ring Yarn is highly even and has the least number of thin places and neps but thick places are the least in rotor Yarn. The Air-Jet Yarn is the least even and has the highest number of thin places, thick places and neps. The total hairiness is the least on rotor Yarn and number of hairs =3 mm (S3) the least in ring Yarn. In Air-Jet Yarn the total hairiness and S3 are the highest. The finer lap hank and higher card draft in preparatory process produces even ring and rotor Yarns with lower hairiness. However, the higher speed frame draft improves the evenness of Yarn produced from coarser lap hank and lower card draft. Lower ring frame, rotor and high Air-Jet draft improves the properties of the respective Yarns. Increase in ring/Air-Jet draft increases S3.

  • STUDY OF EFFECT OF SPINNING PROCESS VARIABLES ON THE PACKING DENSITY OF RING, ROTOR AND Air-Jet YarnS USING THE TAGUCHI METHOD
    Autex Research Journal, 2006
    Co-Authors: A. Kumar, S M Ishtiaque, K. R. Salhotra
    Abstract:

    The effect of lap hank, card draft, draft/doublings and drafts at speed frame, ring frame, rotor and Air-Jet on packing density parameters were analysed using the Taguchi method. The trends of change in packing density with process variables are opposite to those of the Yarn diameter and helix angle of the ring, rotor and Air-Jet Yarns studied. The packing density is found to be the highest in Air-Jet Yarn and the lowest in rotor Yarn. An increase in draft in the Air-Jet and a decrease in the rotor spinner increases the packing density of the respective Yarns.

K. R. Salhotra - One of the best experts on this subject based on the ideXlab platform.

  • Analysis of spinning process using the Taguchi method. Part III: Effect of spinning process variables on migration parameters of ring, rotor and Air-Jet Yarn
    Journal of the Textile Institute, 2006
    Co-Authors: A. Kumar, S M Ishtiaque, K. R. Salhotra
    Abstract:

    Abstract The migration in ring Yarn (type I and type II), rotor Yarn and Air-Jet Yarn was studied in terms of three parameters - mean fibre position (MFP), mean migration intensity (MMI) and root mean square deviation (RMSD) - using classical tracer fibre technique. The effect of various process variables on migration parameters was analysed using the Taguchi method, analysis of variance and a regression model. The trends of migration parameters in ring Yarn-type I are opposite to those of ring Yarn-type II. The ring Yarn has the highest MFP and the lowest MMI. The rotor Yarn has the lowest MFP and RMSD. The Air-Jet Yarn has the highest MMI and RMSD. Increase in card draft increases the MMI and RMSDof rotor Yarn and decreases the MMI of Air-Jet Yarn.However, it tends to increase the RMSD of ring Yarn-type II, rotor Yarn and Air-Jet Yarn. A high draft/doublings at draw frame increases MFP in ring Yarn-type II, rotor Yarn and Air-Jet Yarn. A decrease in ring frame/Air-Jet draft or an increase in speed frame...

  • Analysis of spinning process using the Taguchi method. Part V: Effect of spinning processvariables on physical properties of ring, rotor and Air-Jet Yarns
    Journal of the Textile Institute, 2006
    Co-Authors: A. Kumar, K. R. Salhotra, S M Ishtiaque
    Abstract:

    Abstract Effect of lap hank and drafts, of various spinning sequence of machines, was studied on physical properties of different Yarns using Taguchi method and analysis of variance. The ring Yarn is highly even and has the least number of thin places and neps but thick places are the least in rotor Yarn. The Air-Jet Yarn is the least even and has the highest number of thin places, thick places and neps. The total hairiness is the least on rotor Yarn and number of hairs =3 mm (S3) the least in ring Yarn. In Air-Jet Yarn the total hairiness and S3 are the highest. The finer lap hank and higher card draft in preparatory process produces even ring and rotor Yarns with lower hairiness. However, the higher speed frame draft improves the evenness of Yarn produced from coarser lap hank and lower card draft. Lower ring frame, rotor and high Air-Jet draft improves the properties of the respective Yarns. Increase in ring/Air-Jet draft increases S3.

  • STUDY OF EFFECT OF SPINNING PROCESS VARIABLES ON THE PACKING DENSITY OF RING, ROTOR AND Air-Jet YarnS USING THE TAGUCHI METHOD
    Autex Research Journal, 2006
    Co-Authors: A. Kumar, S M Ishtiaque, K. R. Salhotra
    Abstract:

    The effect of lap hank, card draft, draft/doublings and drafts at speed frame, ring frame, rotor and Air-Jet on packing density parameters were analysed using the Taguchi method. The trends of change in packing density with process variables are opposite to those of the Yarn diameter and helix angle of the ring, rotor and Air-Jet Yarns studied. The packing density is found to be the highest in Air-Jet Yarn and the lowest in rotor Yarn. An increase in draft in the Air-Jet and a decrease in the rotor spinner increases the packing density of the respective Yarns.

A. Kumar - One of the best experts on this subject based on the ideXlab platform.

  • Analysis of spinning process using the Taguchi method. Part III: Effect of spinning process variables on migration parameters of ring, rotor and Air-Jet Yarn
    Journal of the Textile Institute, 2006
    Co-Authors: A. Kumar, S M Ishtiaque, K. R. Salhotra
    Abstract:

    Abstract The migration in ring Yarn (type I and type II), rotor Yarn and Air-Jet Yarn was studied in terms of three parameters - mean fibre position (MFP), mean migration intensity (MMI) and root mean square deviation (RMSD) - using classical tracer fibre technique. The effect of various process variables on migration parameters was analysed using the Taguchi method, analysis of variance and a regression model. The trends of migration parameters in ring Yarn-type I are opposite to those of ring Yarn-type II. The ring Yarn has the highest MFP and the lowest MMI. The rotor Yarn has the lowest MFP and RMSD. The Air-Jet Yarn has the highest MMI and RMSD. Increase in card draft increases the MMI and RMSDof rotor Yarn and decreases the MMI of Air-Jet Yarn.However, it tends to increase the RMSD of ring Yarn-type II, rotor Yarn and Air-Jet Yarn. A high draft/doublings at draw frame increases MFP in ring Yarn-type II, rotor Yarn and Air-Jet Yarn. A decrease in ring frame/Air-Jet draft or an increase in speed frame...

  • Analysis of spinning process using the Taguchi method. Part V: Effect of spinning processvariables on physical properties of ring, rotor and Air-Jet Yarns
    Journal of the Textile Institute, 2006
    Co-Authors: A. Kumar, K. R. Salhotra, S M Ishtiaque
    Abstract:

    Abstract Effect of lap hank and drafts, of various spinning sequence of machines, was studied on physical properties of different Yarns using Taguchi method and analysis of variance. The ring Yarn is highly even and has the least number of thin places and neps but thick places are the least in rotor Yarn. The Air-Jet Yarn is the least even and has the highest number of thin places, thick places and neps. The total hairiness is the least on rotor Yarn and number of hairs =3 mm (S3) the least in ring Yarn. In Air-Jet Yarn the total hairiness and S3 are the highest. The finer lap hank and higher card draft in preparatory process produces even ring and rotor Yarns with lower hairiness. However, the higher speed frame draft improves the evenness of Yarn produced from coarser lap hank and lower card draft. Lower ring frame, rotor and high Air-Jet draft improves the properties of the respective Yarns. Increase in ring/Air-Jet draft increases S3.

  • STUDY OF EFFECT OF SPINNING PROCESS VARIABLES ON THE PACKING DENSITY OF RING, ROTOR AND Air-Jet YarnS USING THE TAGUCHI METHOD
    Autex Research Journal, 2006
    Co-Authors: A. Kumar, S M Ishtiaque, K. R. Salhotra
    Abstract:

    The effect of lap hank, card draft, draft/doublings and drafts at speed frame, ring frame, rotor and Air-Jet on packing density parameters were analysed using the Taguchi method. The trends of change in packing density with process variables are opposite to those of the Yarn diameter and helix angle of the ring, rotor and Air-Jet Yarns studied. The packing density is found to be the highest in Air-Jet Yarn and the lowest in rotor Yarn. An increase in draft in the Air-Jet and a decrease in the rotor spinner increases the packing density of the respective Yarns.

Chang Tao - One of the best experts on this subject based on the ideXlab platform.

Dunja Šajn Gorjanc - One of the best experts on this subject based on the ideXlab platform.

  • The functionality of woven fabric from Air-Jet Yarn from the mixture of CO/PA and CO/PES fibres in the weft direction
    The Journal of The Textile Institute, 2018
    Co-Authors: Dunja Šajn Gorjanc
    Abstract:

    AbstractThe purpose of presented research is to find out the influence of Air-Jet Yarn from the mixture of CO/PA (50/50) and CO/PES (67/33) fibres on functionality of woven fabric in the plain weave.The first part of the study is directed to the mechanical and physical properties of Air-Jet Yarns (16.7 tex) from CO/PA and CO/PES fibres, while the second part of the study focuses on permeability properties of fabrics with Air-Jet Yarns in the weft. The results show that Air-Jet Yarn in the weft direction influences on the water vapor transmission and thermal conduction increase and air permeability decrease.Incorporation of Air-Jet Yarn in the weft direction also improves breaking extension level.The results of presented research also show that the incorporation of Air-Jet Yarn in the weft has statistical important influence on thermal conduction, water-vapor and air permeability changes.