Processing Machinery
3 Aufrufe
LDPE Dimensional Drift
Problembeschreibung
LDPE products change dimensions after storage
Ursachenanalyse
Post-crystallization and stress relaxation; 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
Lösung
Test after aging; process ensures crystallization; drawings note the state; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, so as to locate the effective measure
Wichtigste Erkenntnis
Dimensions are based on testing after aging; 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 problems in the future
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