Extrusion & Post
4 조회수
HDPE blown film thickness deviation
문제 현상
The transverse thickness deviation of HDPE film is large, and the strength is uneven after bag making.
원인 분석
Uneven die lip gap, asymmetric air ring cooling, poor bubble centering.
해결 방법
①Adjust the die lip bolts; ②calibrate the air ring air volume distribution; ③adjust bubble centering; ④closed-loop thickness measurement.
핵심 요약
Transverse thickness goes back to the die lip and air ring.
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