Extrusion & Post
11 조회수
PP Film MD Thickness Deviation
문제 현상
Periodic thickness fluctuation in the MD direction of CPP/IPP film.
원인 분석
Extrusion output fluctuation (screw wear, unstable feeding) or haul-off speed fluctuation; thickness feedback lag.
해결 방법
①Check feeding stability and screw wear; ②stabilize haul-off; ③closed-loop thickness adjustment; ④optimize die bolts.
핵심 요약
For MD thickness variation, first stabilize extrusion output and haul-off.
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