Material Drying
4 görüntüleme
POM hopper drying and heat preservation
Sorun Belirtisi
Bubbles reappear after dried POM is stored in an ordinary hopper for several hours
Neden Analizi
An ordinary hopper does not preserve heat or dehumidify, so the dried material slowly regains moisture; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Çözüm
Keep the drying hopper at 60-80°C and supply dry air; limit storage to within 2 hours; after adjustment, take continuous samples 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
Dried material storage requires both heat preservation and dryness; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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