Extrusion & Post
11 görüntüleme
Large current fluctuation of PU extruder
Sorun Belirtisi
During PU extrusion, main motor current fluctuates ±15-20%, affecting extrusion stability and product quality
Neden Analizi
Unstable feed amount; PU melt viscosity is sensitive to temperature, temperature fluctuation causes large viscosity changes; unsuitable screw structure causes uneven melting
Çözüm
1) Loss-in-weight feeder for stable feeding; 2) Precision temperature control ±1°C; 3) Select special screw; 4) Increase screw mixing section to ensure uniform melting
Temel Çıkarım
Current fluctuation is caused by unstable feeding, poor temperature control and unsuitable screw; system optimization is key
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