Processing Machinery
4 조회수
LLDPE film fish eye source analysis
문제 현상
Fish eye defects recur; sources need to be distinguished for targeted treatment.
원인 분석
Fish eyes may come from the resin's own gel, degraded cross-linked matter, or equipment contamination; morphological analysis under a microscope can identify the source.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience.
해결 방법
①Microscopic analysis of fish eye morphology; ②for resin problems, change batches to verify; ③for degradation problems, check the temperature history; ④for contamination problems, check cleanliness.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
핵심 요약
Fish eye identification is the premise of precise treatment; morphological analysis is more efficient than blindly changing material.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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