Material Drying
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PA66 small-batch vacuum drying
Problembeschreibung
R&D trial production has no dehumidifying dryer, PA66 sample drying effect poor
Ursachenanalyse
Ordinary ovens are constrained by ambient humidity, even small trial batches can hardly stably reach 0.2% moisture content; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Lösung
Small batches use vacuum oven 80℃×-0.09MPa×4 hours; material layer thickness less than 30mm; trial records indicate drying conditions; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Vacuum ovens are a reliable alternative for small-batch drying; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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