Extrusion & Post
12 görüntüleme
POE extrusion film thickness uniformity poor
Sorun Belirtisi
POE extruded film transverse thickness deviation ±15%, exceeding the ±5% industry standard
Neden Analizi
Unreasonable die flow channel design causes uneven melt flow in the wide die; POE melt elasticity is large, die swell uneven; air ring cooling uneven
Çözüm
1) Adopt coat-hanger die design to ensure uniform transverse flow; 2) Die gap fine adjustment ±0.02mm; 3) Optimize air ring air volume and angle for uniform cooling; 4) Add a small amount of low-elasticity resin to reduce swell difference
Temel Çıkarım
Film thickness uniformity requires coordinated optimization from three aspects: die design, gap adjustment and cooling
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