Material Drying
4 görüntüleme
PMMA Moisture Regain Prevention After Drying
Sorun Belirtisi
Dried PMMA used after being left for half a day, bubble defects reappear
Neden Analizi
Dried PMMA material exposed to air re-absorbs moisture, and the moisture content rises back to the critical value within half a day; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based on experience alone.
Çözüm
Store dried material in an insulated drying hopper; use time limited to within 4 hours; re-dry if over time; 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.
Temel Çıkarım
PMMA dried material is used within a time limit, and must be re-dried if over time; 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 similar future problems.
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