Processing Machinery
8 görüntüleme
Difficult Machine Purging of CMC
Sorun Belirtisi
CMC purging takes 2-3h, affecting changeover efficiency
Neden Analizi
CMC has strong adhesion and forms a firm adhesive layer on the screw and barrel; CMC has poor thermal stability and becomes sticky at high temperature, making it harder to remove
Çözüm
1)Flush with high-viscosity PE before purging to carry away CMC residue; 2)Lower purging temperature below CMC softening point to reduce adhesion; 3)Use special purging compound
Temel Çıkarım
Difficult purging is caused by strong CMC adhesion; PE flushing and temperature reduction are the key
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