Extrusion & Post
12 مشاهدة
Glass Fibre extruded film winding wrinkling
ظاهرة المشكلة
Glass Fibre extruded film after winding shows transverse wrinkles and longitudinal creases
تحليل الأسباب
Film tension uneven, fluctuating ±20%; film thickness uneven causing inconsistent stretching of each section; shrinkage rate differs in each direction after cooling
الحل
1) Automatic tension control system to stabilize winding tension; 2) improve film thickness uniformity to ±5%; 3) adjust guide roller parallelism <0.05mm/m; 4) film fully cooled to <30°C before winding
الخلاصة الأساسية
Film wrinkling is caused by tension fluctuation and thickness unevenness; automatic tension control and uniformization are key
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