Injection Molding
6 görüntüleme
Cold Slug Marks in CMC '2079851475616104452
Sorun Belirtisi
Cold slug marks appear near the gate of CMC injection molded products
Neden Analizi
Nozzle temperature is low, causing residual material from the previous injection to cool and solidify in the nozzle; cold slug well design is insufficient to accommodate cold material; injection pressure is insufficient
Çözüm
1)Increase nozzle temperature to 20-25°C; 2)Design a sufficiently large cold slug well in the mold; 3)Ensure fresh melt at the nozzle front before each injection; 4)Increase injection pressure to push cold material through the gate
Temel Çıkarım
Cold slug marks are caused by solidified residual material in the nozzle; increasing nozzle temperature and cold slug well design are the key
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