Processing Machinery
4 مشاهدة
LDPE Nozzle Temperature
ظاهرة المشكلة
LDPE nozzle drool contaminates the mold.
تحليل الأسباب
LDPE melt viscosity is low and drooling occurs easily; 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
Appropriately lower nozzle temperature; suck-back for decompression; needle valve nozzle; 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
LDPE drool is prevented by lowering temperature and suck-back; 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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