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Tensile Strength of Untwisted Fibre Streams Measured at Dynamic Conditions

Research and development

Authors:

  • Jackowski Tadeusz
    Department of Spinning Technology and Yarn Structure, Faculty of Material Technologies and Textile Design, Technical University of Łódź, Łódź, Poland
  • Chylewska Barbara
    Department of Spinning Technology and Yarn Structure, Technical University of Łódź, Łódź, Poland
  • Cyniak Danuta (j/w)
  • Czekalski Jerzy (j/w)

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Abstract:

The tensile strength of cotton sliver was analysed under dynamic conditions with the use of an F460 Stick-Slip Friction Tester apparatus from the Zweigle company. In order to obtain measuring data, the fibre stream is directed through the drawing apparatus at constant velocity and constant drawing ratio. Changes in the force created as a result of drawing the fibre stream were continuously recorded with the use of a measuring gauge placed between the pair of drawing rollers. For the purpose of this investigation, the tests were carried out after the second drawing zone for a sliver of central-Asiatic cotton with linear density of 3.4 ktex.

Tags:

cohesion of fibres, unit cohesion, tensile force, tensile strength of the sliver.

Published in issue no 2 (41) / 2003, pages 18–21.

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