Processing Machinery
7 조회수
LLDPE color change cleaning
문제 현상
Prolonged color mixing after color change of LLDPE film
원인 분석
High melt viscosity causes slow purging; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
해결 방법
Schedule production from light to dark; purge with cleaning compound; disassemble and clean the die; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
핵심 요약
Color change relies on production scheduling plus disassembly and cleaning; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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