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False Twister Low Elastic Yarn Production Process and Quality Stabilization Techniques

  • Phân loại của họĐiểm
  • Thời gian phát hànhĐiểm 2026-10-10

False Twister Low Elastic Yarn Production Process and Quality Stabilization Techniques

Low elastic polyester yarn produced by false twisters relies on matched friction disc gaps and heat setting parameters, achieving stable elasticity and shrinkage for home textile applications.
Qualified false twisted low-elastic yarn maintains thermal shrinkage rate between 4%–6%, the mainstream index for bedding and curtain fabric raw materials.
Friction disc gap controlled at 0.10–0.15 mm ensures mild twisting force, preventing excessive elastic tension that causes fabric shrinkage deformation.
Heating temperature stabilized at 185–195℃ realizes sufficient relaxation setting, reducing yarn residual stress by 37% after texturing processing.
Over-speed operation of 12% above rated speed increases yarn residual elasticity, raising fabric shrinkage defect rate by 3.2% in finished products.
Lanxiang Machinery false twister low-elastic process parameter templates shorten production debugging time by 58% and stabilize batch consistency.
24-hour continuous production requires tension inspection every 4 hours to avoid parameter drift caused by friction disc gradual wear.
Improper workshop humidity below 55% RH increases static twisting resistance, leading to 2.1% higher uneven elasticity rate of low-elastic yarn.
Standardized maintenance keeps false twister friction unit stability, ensuring 98.5% finished yarn qualification rate for low-elastic orders.
### FAQ
Q1: What shrinkage rate qualifies low-elastic false twisted yarn? A1: Standard thermal shrinkage rate stays between 4% and 6%.
Q2: What friction gap suits low-elastic yarn production? A2: Optimal disc gap ranges from 0.10 mm to 0.15 mm.
Q3: What heating temperature ensures stable setting? A3: Constant temperature control at 185–195℃ for relaxation.
Q4: How to reduce low-elastic yarn batch difference? A4: Inspect tension every 4 hours and avoid over-speed operation.
Q5: What humidity environment is recommended? A5: Maintain workshop humidity above 55% RH to reduce static defects.
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