Extrusion & Post
11 görüntüleme
Wrinkling During Winding of CMC Extruded Film
Sorun Belirtisi
Transverse wrinkles and longitudinal creases appear after winding of CMC extruded film
Neden Analizi
Film tension is uneven, fluctuating ±20%; uneven film thickness causes inconsistent stretching of each section; shrinkage after cooling differs in each direction
Çözüm
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)Wind after the film is fully cooled to <30°C
Temel Çıkarım
Film wrinkling is caused by tension fluctuation and uneven thickness; automatic tension control and homogenization are the key
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