Production method of flax blended knitting yarns
A technology for knitting yarn and flax is applied to the production field of flax blended knitting yarn, which can solve the problems of difficulty in improving product quality, greater restriction on spinning fineness, and low elongation at break of fibers, and achieves low cost and less yarn hairiness. , the effect of less hairiness
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Embodiment 1
[0026] Embodiment 1: spinning the blended yarn of 24tex
[0027] (1) Mixing of raw materials
[0028] The blend ratio of linen / modal is 70 / 30; by weight blending method,
[0029] (2) Pre-spinning process:
[0030] ① Open and clean cotton
[0031] The lap weight is 383g / m,
[0032] ② Carding
[0033] Raw sliver weight is 19.5g / 5 m,
[0034] ③Drawing
[0035] Quantitative weight of first half-cooked strips: 17.1g / 5m, second-half-cooked strips quantitative: 16.2g / 5m, three-way (cooked strips) quantitative 14.7 g / 5m,
[0036] (3) Rotor spinning process
[0037] Temperature 25℃, relative humidity 75%
[0038] ① Opening roller speed: 7200r / min,
[0039] ②Diameter and speed of rotor
[0040] Rotor diameter: 52mm, rotor speed: 45000r / min,
[0041] ③ Twist coefficient: 370,
[0042] ④ Selection of other process parameters
[0043] The yarn drawing speed is 58.5m / min, and the tension draft is 0.98.
Embodiment 2
[0044] Embodiment 2: spinning the blended yarn of 28tex
[0045] (1) Mixing of raw materials
[0046] The blend ratio of linen / modal is 70 / 30; by weight blending method,
[0047] (2) Pre-spinning process:
[0048] ① Open and clean cotton
[0049] Lap basis weight is 401g / m,
[0050] ② Carding
[0051] The raw sliver weight is 21.3g / 5 m,
[0052] ③Drawing
[0053] Quantitative quantity of first half-cooked strips: 18.4g / 5m, quantitative quantity of double-semi-cooked strips: 17.6g / 5m, quantitative quantity of three-cured strips (cooked strips) 15.4 g / 5m,
[0054] (3) Rotor spinning process
[0055] Temperature 25℃, relative humidity 75%
[0056] ① Opening roller speed: 7600r / min,
[0057] ②Diameter and speed of rotor
[0058] Rotor diameter: 52mm, rotor speed: 48000r / min,
[0059] ③ Twist factor: 370,
[0060] ④ Selection of other process parameters
[0061] The yarn drawing speed is 58.5m / min, and the tension draft is 0.98.
Embodiment 3
[0062] Embodiment 3: spinning the blended yarn of 24tex
[0063] (1) Mixing of raw materials
[0064] The blend ratio of linen / modal is 60 / 40; by weight blending method,
[0065] (2) Pre-spinning process:
[0066] ① Open and clean cotton
[0067] The lap weight is 390g / m,
[0068] ② Carding
[0069] The raw sliver weight is 20.6g / 5 m,
[0070] ③Drawing
[0071] Quantitative weight of first half-cooked strips: 17.9g / 5m, second-half-cooked strips quantitative: 16.8g / 5m, triple (cooked strips) quantitative 15.1g / 5m,
[0072] (3) Rotor spinning process
[0073] Temperature 25℃, relative humidity 75%
[0074] ① Opening roller speed: 7200r / min,
[0075] ②Diameter and speed of rotor
[0076] Rotor diameter: 52mm, rotor speed: 45000r / min,
[0077] ③ Twist factor: 375,
[0078] ④ Selection of other process parameters
[0079] The yarn drawing speed is 58.5m / min, and the tension draft is 0.98.
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