Vlastnosti skaných přízí
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Date
2022-06-17
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Abstract
Tato bakalářská práce se zabývá vlastnostmi skaných přízí v souvislosti s počtem seskávaných přízí ale i úrovní skacího zákrutu. Mezi vybranými vlastnostmi je hmotná nestejnoměrnost, chlupatost, pevnost a tažnost. V rešeršní části jsou rozebrány základní parametry příze, jako je jemnost, zákrut, hmotná nestejnoměrnost, pevnost, tažnost, chlupatost, zákon o družení. Dále jednotlivé stroje, na kterých byla měření provedena. V experimentální části je věnována pozornost sadě dvojmo, trojmo a čtyřmo skaných viskózových přízí. Jednoduchá příze byla vyrobena firmou KTC Plavy a skané příze byly vyrobeny na prstencovém skacím stroji na fakultě textilní TU v Liberci. U skaných přízí bylo provedeno ověření počtu zákrutů a jemnosti. Následně pak byla změřena hmotná nestejnoměrnost na přístroji Uster Tester 4, chlupatost na přístroji Zweigle G 567 a pevnost a tažnost na přístroji Instron a ověřen zákon družení. Data byla statisticky ověřena v programu QC Expert, poté vyhodnocena a zpracována. V závěru bylo provedeno vyhodnocení vlivu úrovně skacího zákrutu a počtu seskávaných přízí na zmíněné sledované vlastnosti.
AnnotationThis bachelor thesis deals with the properties of twisted yarn in connection with the number of plied yarn as well as the level of twist. Among the selected properties mass unevenness, hairiness, strenght.In the exploration is analyzed basic part of the yarn, such as finess, twist, mass unevenness, strenght, ductility and hairiness. The individual machines on which the measurements were made.In the experimental part, attention is paid to set of double, triple and quadruple viscose yarn. The single yarn was produced by KTC Plavy and the plied yarn were produced by KTC Plavy and the plied yard were produced on a ring spinning machine at the faculty textile in Technical University in Liberec. For twisted yarn, the twists and fitness were verified. Subsequently, the mass unevenness was measured on the Uster Tester 4, the hairiness on the Zweigle G 567 and the ductility was measured on the machine Instron. The measured data were statistically verified in the QC Expert program, then evaluated and processed. In conclusion was evaluated the influence level of twisting and the number of plied yarn on the mentioned properties was performed.
AnnotationThis bachelor thesis deals with the properties of twisted yarn in connection with the number of plied yarn as well as the level of twist. Among the selected properties mass unevenness, hairiness, strenght.In the exploration is analyzed basic part of the yarn, such as finess, twist, mass unevenness, strenght, ductility and hairiness. The individual machines on which the measurements were made.In the experimental part, attention is paid to set of double, triple and quadruple viscose yarn. The single yarn was produced by KTC Plavy and the plied yarn were produced by KTC Plavy and the plied yard were produced on a ring spinning machine at the faculty textile in Technical University in Liberec. For twisted yarn, the twists and fitness were verified. Subsequently, the mass unevenness was measured on the Uster Tester 4, the hairiness on the Zweigle G 567 and the ductility was measured on the machine Instron. The measured data were statistically verified in the QC Expert program, then evaluated and processed. In conclusion was evaluated the influence level of twisting and the number of plied yarn on the mentioned properties was performed.
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Klíčová slova: příze, zákrut, viskóza, chlupatost, Key words: yarn, twist, viscose, hairiness