Extrusion & Post
11 görüntüleme
Poor EEA extrusion film thickness uniformity
Sorun Belirtisi
EEA extruded film transverse thickness deviation ±15% exceeding the ±5% industry standard
Neden Analizi
Unreasonable die runner design causing uneven melt flow in the wide die; EEA melt elasticity large, uneven extrusion swell; uneven air ring cooling
Çözüm
1) Adopt coat-hanger die design to ensure uniform transverse flow; 2) Fine-adjust die gap ±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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