Processing Machinery
6 Aufrufe
LLDPE first-piece confirmation
Problembeschreibung
Speeding up immediately after startup, film thickness is out of tolerance
Ursachenanalyse
At startup, temperature and frost line are not yet stable; when troubleshooting on site, verify item by item according to this mechanism to 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
Stabilize for 15 minutes after startup; speed up after thickness measurement passes; 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
Measure thickness after stabilization before speeding up; after confirming effectiveness, fix 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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