Blow Molding
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LDPE '2079851475616104457 Temperature
Problembeschreibung
LDPE '2079851475616104457 parison sagging.
Ursachenanalyse
High parison temperature gives low melt strength; During on-site troubleshooting, 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 literature and should be confirmed first during troubleshooting.
Lösung
Take the lower limit of parison temperature; match extrusion speed; 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
Parison sagging is controlled by the temperature lower limit; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; Incorporate this case into the defect archive as a troubleshooting reference for similar future problems.
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