Injection Molding
8 مشاهدة
LLDPE mold temperature uniformity
ظاهرة المشكلة
LLDPE injection molded parts warpage deformation.
تحليل الأسباب
Uneven mold cooling causes shrinkage differences; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience; This mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting.
الحل
Water channels equalization; cavity temperature difference ±5℃; thick-wall water channels strengthened; 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
Warpage is controlled by cooling uniformity; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future.
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