Molds & Tooling
6 مشاهدة
PVC Mold Temperature Uniformity
ظاهرة المشكلة
PVC pipe fittings shrink inconsistently at various parts causing ovality
تحليل الأسباب
Uneven mold cooling causes differential shrinkage at parts, pipe fitting roundness damaged; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
الحل
Water channel homogenization design; cavity temperature difference controlled within ±3℃; pipe fitting core water channel independently controlled; 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
Pipe fitting roundness guaranteed 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 troubleshooting reference for similar problems later
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