Processing Machinery
4 조회수
LLDPE film screw configuration
문제 현상
An ordinary screw producing LLDPE has many gel particles and high pressure.
원인 분석
LLDPE requires a barrier screw with a mixing section to ensure uniform plasticization; the problem is more obvious when the L/D ratio is insufficient.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience.
해결 방법
①Select an LLDPE-dedicated barrier screw; ②ensure a sufficient L/D ratio; ③equip a mixing head; ④regularly check screw wear.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
핵심 요약
The screw is the first hardware for LLDPE processing quality; dedicated configuration is a necessary investment.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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