Processing Machinery
5 görüntüleme
LDPE Screw Versatility
Sorun Belirtisi
LDPE plasticizes well with a general-purpose screw, but output and melt quality fluctuate.
Neden Analizi
LDPE has good processing adaptability, and a general-purpose screw suffices; but a barrier screw plasticizes more uniformly; back pressure only needs to ensure melt uniformity, too high is useless; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience.
Çözüm
①A general-purpose screw can process LDPE; ②For high quality requirements, choose a barrier screw; ③Keep back pressure at the low limit to ensure uniformity; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Temel Çıkarım
LDPE is the friendliest to equipment; general configuration suffices, upgrade to a barrier screw for high requirements; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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