Molds & Tooling
5 مشاهدة
HDPE mold temperature uniformity
ظاهرة المشكلة
HDPE box-type products have inconsistent shrinkage on each face and warp
تحليل الأسباب
Uneven mold cooling causes differences in crystallization and shrinkage on each face, warping the box; when troubleshooting on site, 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 data and should be confirmed first during troubleshooting
الحل
Water circuit homogenization design; cavity temperature difference controlled within ±5℃; strengthen the water circuits in deep cavity areas; 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
Box warpage is controlled by cooling uniformity; after confirming effectiveness, solidify 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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