Material Drying
4 Aufrufe
Insufficient melt flowability, mold filling difficulty
Problembeschreibung
The melt cannot fill thin-wall or complex geometry cavities
Ursachenanalyse
Processing temperature too low (<360°C), the material is not fully melted to a low-viscosity state; PEEK grade molecular weight too high (such as medium-high viscosity injection grades); moisture affects plasticization
Lösung
Increase the processing temperature to 370-390°C to improve flowability; select low-viscosity PEEK grades (such as 150G or 90G); fully dry to ensure the material state before plasticization
Wichtigste Erkenntnis
PEEK's high melting point determines that extremely high processing temperature and pressure are required to ensure flowability
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