Processing Machinery
3 Aufrufe
LLDPE film bubble diameter control
Problembeschreibung
Bubble diameter fluctuation causes film width deviation.
Ursachenanalyse
Unstable bubble internal pressure control causes diameter fluctuation; the state of the bubble stabilizing frame and the internal pressure control system directly affects width consistency.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience.
Lösung
①Check the bubble stabilizing frame and internal pressure control; ②stabilize haul-off speed; ③monitor film width online; ④calibrate sensors.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Wichtigste Erkenntnis
Width consistency relies on internal pressure stability; maintenance of the automatic control system is very important.; 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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