Studiet of Crepe Yarn:Part 1 : Diameter of Crepe Yarn

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概要

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• When the yarn denier D, number of twist a, and yarn contraction due to twist ε<SUB>y</SUB> are given, diameter of twisted yarn is calculated by the following empirical formula : <BR>R=R<SUB>0</SUB>/K√1-ε<SUB>y</SUB><BR>where R<SUB>0</SUB> is a diameter when the original yarn is supposed to be filled up with fibers, and is a constant far a given yarn, K is expressed as follws : <BR>K=0.693+0.00122D+0.000055n-(n/150)<SUP>-2.25</SUP><BR>Using this formula, the authors calculated the diameter of crepe yarns for various values of D, n, and ε<SUB>y</SUB> and compared the calculated results with experiments.

• 社団法人 日本繊維機械学会の論文

著者

• 源間 一郎

  神奈川県工業試験場

• 福島 保治

  三菱レイヨン

• 宮坂 智文

  神奈川県工業試験所

関連論文

• Crepe Yafn Studies.:Part 9 : Analysis of Untwisting Moment of Crepe Yarn When Wetted
• 34 ガラス繊維の編成とFRPへの応用
• Studiet of Crepe Yarn:Part 1 : Diameter of Crepe Yarn
• Studies of Crepe Yarn:Part 2 : Onthe Yarn Twisted Structure
• Studies of Crepe Yarn:Part 5 : Experiment on Kink
• Studies of Crepe Yarn:Part 6 : Internal Force Developed in Wet Crepe Yarn
• Crepe Yarn:Part 7 : Change of Cross-Sectional Area of Twisted Yarn when Wetted.
• Study on Crepe Yam:Part 3 : Strains of Component Filaments
• 最近のくつ下の動向について

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