Material Drying
2 Aufrufe
PMMA Online Moisture
Problembeschreibung
Drying abnormalities can only be discovered when bubbles appear in the products
Ursachenanalyse
Offline sampling inspection lags behind, and wet material continues to flow into molding during dryer failures; 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
Install an online moisture meter at the drying outlet; alarm and stop material supply when the standard is exceeded; after adjustment, take samples continuously 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
Online moisture monitoring moves the bubble prevention checkpoint forward; after confirming effectiveness, solidify 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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