Material Drying
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ABS seasonal humidity adjustment
Fenómeno do problema
[Problem phenomenon] ABS silver streak rate rises in the plum rain season, process not adjusted with the season
Análise das causas
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
Solução
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
Conclusão principal
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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