Material Drying
3 Aufrufe
ABS seasonal humidity adjustment
Problembeschreibung
[Problem phenomenon] ABS silver streak rate rises in the plum rain season, process not adjusted with the season
Ursachenanalyse
Seasonal changes in environmental humidity affect pellet moisture absorption and drying endpoint; in the rainy season, drying must be extended and hopper management strengthened; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Lösung
Extend drying by 1-2h in the rainy season; hopper heat preservation all year round; workshop dehumidification assistance; after adjustment, continuously sample 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
ABS rainy season drying intensified, hopper management all year round; 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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