Extrusion & Post
11 görüntüleme
Glass Fibre extruded film poor thickness uniformity
Sorun Belirtisi
Glass Fibre extruded film transverse thickness deviation ±15%, exceeding ±5% industry standard
Neden Analizi
Die flow channel design unreasonable causes uneven melt flow in wide die; Glass Fibre melt elasticity large, extrusion 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 small amount of low-elasticity resin to reduce swell difference
Temel Çıkarım
Film thickness uniformity needs coordinated optimization from three aspects: die design, gap adjustment and cooling
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