Material Drying
4 görüntüleme
PMMA Startup Pre-Drying
Sorun Belirtisi
Startup after several days of shutdown, first-batch products have dense bubbles
Neden Analizi
Material and equipment absorb moisture during shutdown, and the machine is started directly without re-drying; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based on experience alone.; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Çözüm
Re-dry material for 4 hours before startup; empty the barrel; mass production after first piece passes; 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
Restarting after shutdown must rebuild the drying state; 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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