Material Drying
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PA66 rapid moisture content detection
Problembeschreibung
No Karl Fischer instrument on site, unable to judge whether PA66 drying is qualified
Ursachenanalyse
When moisture content judgment lacks means, one can only rely on experience, drying quality loss-of-control risk is high, batch differences cannot be quantified; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Lösung
Equip a rapid moisture analyzer for on-site screening, regularly compare and calibrate with the Karl Fischer method; air-shot strands can also be observed for bubbles as qualitative judgment; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
On-site rapid screening plus laboratory arbitration two-level detection is a practical solution; 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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