Extrusion & Post
6 مشاهدة
Draft point drift of PET fiber
ظاهرة المشكلة
During PET fiber drawing, the draft point position is unstable and moves back and forth, causing fiber fineness fluctuation.
تحليل الأسباب
Drawing temperature is unstable; drawing roller speed fluctuates; fiber preheating is uneven; undrawn yarn quality fluctuates.
الحل
Stabilize drawing temperature and speed; ensure uniform fiber preheating (hot plate/hot roller ±1°C); control undrawn yarn quality consistency.
الخلاصة الأساسية
PET fiber draft point stability determines fiber fineness uniformity.
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