Extrusion & Post
10 조회수
Glass Fibre extruded film winding wrinkling
문제 현상
Glass Fibre extruded film after winding shows transverse wrinkles and longitudinal creases
원인 분석
Film tension uneven, fluctuating ±20%; film thickness uneven causing inconsistent stretching of each section; shrinkage rate differs in each direction after cooling
해결 방법
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
핵심 요약
Film wrinkling is caused by tension fluctuation and thickness unevenness; automatic tension control and uniformization are key
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