Extrusion & Post
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PET sheet static electricity
Problembeschreibung
Static electricity attracts dust when PET sheet is slit, affecting printing
Ursachenanalyse
PET has good insulation; friction static accumulation can reach tens of thousands of volts, attracting dust and shocking operators; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
Install ionizing air static elimination devices; humidify the workshop to 60%; add static elimination bars at winding; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Static control relies on ion neutralization plus humidity management; 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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