Material Drying
5 görüntüleme
PC hopper heat preservation to prevent moisture regain
Sorun Belirtisi
【Problem Phenomenon】Qualified dried PC regains moisture in the hopper, product silver streaks reappear in the afternoon
Neden Analizi
PC absorbs moisture quickly; dried material exposed to air regains moisture beyond standard within 2 hours; a heat-preservation hopper maintaining a dry environment is necessary for continuous production；During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Çözüm
Hopper heat preservation at 120℃ and covered; batch feeding controls residence ≤1-2h; humid season hopper dryer directly connected；After adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
PC regains moisture quickly, hopper heat preservation at 120℃ and residence not exceeding 2 hours；After confirming effectiveness, solidify 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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