Processing Machinery
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Glass Fibre poor plasticization
Problembeschreibung
Glass Fibre products show unmelted particles, incomplete plasticization
Ursachenanalyse
screw compression ratio insufficient <2.5, plasticization pressure low; screw rotation speed low, insufficient shear; processing temperature low
Lösung
1) select a screw with compression ratio >3; 2) increase screw rotation speed to increase shear; 3) raise processing temperature by 5-10°C
Wichtigste Erkenntnis
poor plasticization is caused by improper screw design; optimizing the screw and raising temperature is key
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