Processing Machinery
4 조회수
LDPE Color Change Cleaning
문제 현상
After color change, LDPE film has prolonged color mixing.
원인 분석
High melt viscosity makes dead spot purging slow; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; This mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting.
해결 방법
Schedule color change production from light to dark; purge with purging 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 management combines production scheduling plus disassembly cleaning; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.
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