Molds & Tooling
6 مشاهدة
HDPE Shrinkage Out of Tolerance
ظاهرة المشكلة
HDPE product dimensions are smaller than expected and cannot be assembled
تحليل الأسباب
HDPE shrinkage is 1.5-4% with obvious directionality, and mold shrinkage value selection is improper; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
الحل
Measure actual shrinkage to correct the mold; lock the process; SPC for critical dimensions; 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
HDPE dimensional management is based on measured shrinkage; after confirming effectiveness, solidify 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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