Processing Machinery
3 조회수
PET equipment regular maintenance
문제 현상
Sheet black specks and die line defects recur periodically; each treatment brings short-term improvement
원인 분석
The formation of carbon buildup and die lip buildup is a gradual process; a single cleaning only addresses the surface; without a preventive maintenance plan, defects recur periodically according to equipment condition; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
① Establish a regular equipment maintenance plan; ② clean the die lip every shift and disassemble and wash the barrel regularly; ③ correlate and analyze maintenance records with defect data; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
Chronic defects of PET sheet must be hedged with preventive maintenance; periodic maintenance costs much less than after-the-fact cleaning; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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