Blow Molding
10 Aufrufe
HDPE vs LDPE Comparison
Problembeschreibung
After replacing LDPE film with HDPE, it is too hard and feels poor
Ursachenanalyse
HDPE has high rigidity and poor flexibility, mismatching the hand feel and application of flexible packaging; during on-site troubleshooting, verify item by item according to this mechanism to 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
Lösung
Choose LDPE/LLDPE for flexible packaging; choose HDPE for rigid containers; 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
Wichtigste Erkenntnis
Film flexibility and rigid containers use different PEs; 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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