Extrusion & Post
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ASA extrusion screw configuration
Fenómeno del problema
[Problem phenomenon] General-purpose screw extruding ASA has uneven plasticization, output and quality unstable
Análisis de la causa
ASA extrusion suits gradual-type screw L/D 25-30:1, compression ratio 2.5-3:1; amorphous materials do not need overly long metering section, moderate mixing elements suffice
Solución
Configure gradual screw according to L/D25-30; compression ratio 2.5-3; glass fiber grades with wear-resistant configuration; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
ASA extrusion screw L/D25-30 gradual type, compression ratio 2.5-3; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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