Injection Molding
8 مشاهدة
LDPE Injection Speed
ظاهرة المشكلة
After high-speed injection, LDPE products show flash.
تحليل الأسباب
LDPE has good flowability; high speed and high pressure easily cause overflow; 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
Stage the injection speed; reduce speed in the final stage; calculate clamping force; 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 injection must be staged to prevent flash; 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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