Extrusion & Post
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Large current fluctuation of EAA extruder
Fenómeno do problema
During EAA extrusion, the main motor current fluctuates ±15-20%, affecting extrusion stability and product quality
Análise das causas
Unstable feeding amount; EAA melt viscosity is sensitive to temperature, temperature fluctuations cause large viscosity changes; unsuitable screw structure causes uneven melting
Solução
1) Loss-in-weight feeder for stable feeding; 2) Precision temperature control ±1°C; 3) Select a dedicated screw; 4) Increase the screw mixing section to ensure uniform melting
Conclusão principal
Current fluctuation is caused by unstable feeding, poor temperature control and unsuitable screw; system optimization is the key
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