Molds & Tooling
4 görüntüleme
HDPE mold temperature effect on shrinkage
Sorun Belirtisi
HDPE with the same mold but different batches has different shrinkage rates
Neden Analizi
Mold temperature fluctuation changes the crystallinity, and the shrinkage rate changes accordingly; 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
Çözüm
Lock and monitor the mold temperature; measure the shrinkage rate of the first piece; standardize the process; 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
Temel Çıkarım
Shrinkage consistency relies on mold temperature locking; 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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