Processing Machinery
5 مشاهدة
PMMA Nozzle Temperature
ظاهرة المشكلة
Repeated cold material blockage at the PMMA nozzle
تحليل الأسباب
PMMA has a high solidification temperature, and a slightly low nozzle temperature causes solidification and blockage; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based on experience alone.; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
الحل
Nozzle temperature consistent with or slightly higher than melt temperature; check nozzle heater band power; keep the nozzle tight against the mold when opening; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
الخلاصة الأساسية
PMMA nozzle temperature prefers high rather than low, to prevent cold material blockage; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.; include this case in the defect archive as a troubleshooting reference for similar future problems.
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