Top covering and bottom supporting type three-shafting composite yarn, spinning method and applications thereof
A composite yarn and shafting technology, applied in the direction of yarn, textiles and papermaking, etc., can solve the problem that short fibers cannot be effectively protected, and achieve the effect of practical mechanism, convenient installation and stable structure
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Embodiment 1
[0035] Example 1: Recycled cotton (noil) and viscose filament
[0036] By adopting the upper-cover-lower-holder-type three-axis composite spinning method for whiskers of the present invention, the two strands of viscose filaments are spread according to the above-mentioned upper-cover-lower carrier split-spreading method, and then the front roller tongs The mouth is twisted and compounded with the recycled cotton fiber sliver to form a smooth triaxial composite cotton yarn. The specific process parameters are shown in the following table. The spun viscose filament upper cover and lower support clamp and wrap the smooth composite yarn with noil staple fiber sliver, and its hairiness index, twist angle, breaking strength, breaking elongation and yarn The unevenness of strip fineness is listed in the table below. Among them, the spinning yield is very high, all higher than 98.5%, indicating that there is little fiber loss such as flying flowers, chips, and end breaks; the number...
Embodiment 2
[0037] Example 2: Short Hair and Silk
[0038] By adopting the upper cover and lower support type three-axis composite spinning method for whiskers of the present invention, the two strands of silk bundles are spread according to the above-mentioned upper cover and lower support split-split yarn method, and then at the front roller jaws with The short-haired fiber whiskers are twisted and compounded to form a smooth triaxial composite wool yarn. The specific process parameters are shown in the following table. The spun silk upper cover and lower support hold the smooth composite yarn wrapped with short-hair fiber whiskers, and the yarn hairiness index, twist angle, breaking strength, breaking elongation and yarn fineness unevenness See the table below. Among them, the spinning yield is very high, all higher than 98.5%, indicating that there is very little loss of fibers such as flying hair and broken ends; the number of hairiness is also very small, indicating that the finish...
Embodiment 3
[0039] Example 3: Kapok / PTT Filament
[0040] By adopting the upper-cover-lower-holder type three-axis composite spinning method for whiskers of the present invention, the two PTT filament bundles are spread according to the above-mentioned upper-cover-lower-holder split-spreading method, and then spread on the front roller jaws. It is twisted and compounded with kapok fiber strands to form a smooth triaxial composite kapok yarn. The specific process parameters are shown in the following table. The upper cover and lower support of the spun PTT filaments hold the smooth composite yarn wrapped with kapok short fiber whiskers, and the hairiness index, twist angle, breaking strength, breaking elongation and yarn fineness of the yarn are not The uniformity is listed in the table below. Among them, the spinning yield is very high, all higher than 98.5%, indicating that there is little fiber loss such as flying flowers, chips, and end breaks; the number of hairiness is also small, i...
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