Processing Machinery
6 مشاهدة
LDPE Temperature Lower Limit
ظاهرة المشكلة
LDPE melt temperature set to 150℃; the film plasticizes poorly with gel particles.
تحليل الأسباب
Too low temperature gives insufficient plasticizing, and unmelted particles form gel particles; 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.
الحل
Raise melt temperature above 170℃; check heater bands; appropriate back pressure; 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.
الخلاصة الأساسية
The LDPE temperature lower limit ensures sufficient plasticizing; 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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