Journal of the Textile Machinery Society of Japan
Online ISSN : 1881-1159
Print ISSN : 0040-5043
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Volume 22, Issue 2
Displaying 1-3 of 3 articles from this issue
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  • Compressive Creep Behaviour of Cotton Fiber Assemblies
    Tooru Nogai, Yutaka Narumi, Ken Tanaka
    1976 Volume 22 Issue 2 Pages 29-33
    Published: 1976
    Released on J-STAGE: October 24, 2006
    DOIhttps://doi.org/10.4188/jte1955.22.29
    JOURNAL FREE ACCESS
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    To make clear the compressive Theological property of fiber assemblies, we investigated the compressive creep behaviour of cotton fiber asssemblies, and the following conclusions were obtained:
    (1) The compressive creep strain of cotton fiber assemblies increases with load, while it reaches the maximum at 30-40°C.
    (2) The compressive creep strain εt of cotton fiber assemblies agrees with that of the Eyring's non-linear three element model, and is given as follows; εt=Y0 ln(vt+1) where t is time, Y0 and v are experimental constants.
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  • Effect of Revolving Resistance of Package on Slippage between Yarn Package and Grooved Drum during Winding
    Genichiro Osawa, Toshio Koyama
    1976 Volume 22 Issue 2 Pages 34-37
    Published: 1976
    Released on J-STAGE: October 24, 2006
    DOIhttps://doi.org/10.4188/jte1955.22.34
    JOURNAL FREE ACCESS
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  • Analysis of the Spun Yarn Structure of Crimped Fiber Assemblies
    Part 1: Theory of Structure of Assembled Helical Coils.
    Shinji Yamaguchi, Sueo Kawabata
    1976 Volume 22 Issue 2 Pages 38-44
    Published: 1976
    Released on J-STAGE: October 24, 2006
    DOIhttps://doi.org/10.4188/jte1955.22.38
    JOURNAL FREE ACCESS
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    This article concerns the structure of yarns composed of crimped fiber assemblies. A theory to derive the diameter of a yarn is presented if the yarn is composed of helical coils having the same lead length. The positions of fibers in a yarn cross section are determined as follows: When three helical coils having different phase lags gather together to come in touch with one another, then the positions of the axes of these three helicals can be detemined. This procedure is repeated many times until covering all fibers in the cross section. The theoretical analysis clarifies that, when the phase differences are uniformly distributed random variables, the yarn diameter takes the maximum and this model is adapted for a high crimped yarn; and that a model of exponentially distributed random variables with larger density at the side of small phase difference conforms to a middle or low crimped yarn.
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