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The higher air pressure provides higher air-jet velocities in the nozzle. In the some studies, [3][4][5] [6] [7] it was shown that the higher air pressure leads to more intensive nip formation and ...
Get PriceA supersonic jet was generated by blowing air into a vacuum chamber through the fiber injection orifice. A new vacuum chamber was developed to produce nanosheets; it has seven fiber injection ...
Get PriceArticle. Analysis of Filaments Motion in a Slit-type Interlacer. February 2018; Journal of Textile Engineering 64(1):29-38
Get PriceThe invention discloses a mixed fiber false-twist processed yarn which is of a core-sheath structure, wherein the core yarn is a polyester fiber A with the shrinkage rate of 5-30%, and the sheath yarn is a polyester fiber B with the elongation rate of 1-25% and the crystallinity of 10-30%; after the mixed fiber false-twist processed yarn is subjected to heat treatment, the filament length ...
Get PriceA highly crimped conjugate fiber cheese package which is obtained by layering on a paper bobbin a conjugate fiber consisting of a plurality of single filament composed of polytrimethylene terephthalate components having different intrinsic viscosities and consisting of at least 90 mol % of a trimethylene terephthalate unit and no more than 10 mol % of another ester repeating unit and laminated ...
Get PriceA highly crimped conjugate fiber cheese package which is obtained by layering on a paper bobbin a conjugate fiber consisting of a plurality of single filament composed of polytrimethylene terephthalate components having different intrinsic viscosities and consisting of at least 90 mol% of a trimethylene terephthalate unit and no more than 10 mol% of another ester repeating unit and laminated ...
Get PriceA supersonic jet was generated by blowing air into a vacuum chamber through a fiber injection orifice. The fibers are melted by laser heating and atomized by the supersonic jet at the outlet of ...
Get PriceThe yarn motion at the section of the air jet nozzle consists of rotation and traversing the jet axis: A yarn that rotates inside the left semicircle of the yarn duct in the same direction as the ...
Get PriceCO 2 laser supersonic drawing represents a technological advance as it uses a CO 2 laser to irradiate a spun polymer fibre in a supersonic jet; blow-off air from a fibre-supplying orifice into a ...
Get PriceNon-air blowing region: 125 mm. Temperature and relative humidity of cooling air: 22° C., 90%. Speed of cooling air: 0.5 m/sec. Finishing agent: aqueous emulsion containing polyether ester as a main component; 30 wt % concentration. Takeup speed: 1500 m/min (Undrawn yarn) Fiber size: selected so that drawn yarns have a fiber size of 84 dtex ...
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