Processing Machinery
3 مشاهدة
LDPE Holding Pressure Management
ظاهرة المشكلة
LDPE thick-wall parts show obvious sink marks.
تحليل الأسباب
Insufficient holding pressure gives inadequate shrinkage compensation at thick walls; 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
Increase holding pressure and time; design wall thickness uniformly; 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
Thick-wall sink marks rely on the holding pressure regime; 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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