Molds & Tooling
5 görüntüleme
Uneven Internal Density of EVOH
Sorun Belirtisi
Density differences of ±3% in different parts of EVOH products
Neden Analizi
Holding pressure transmission uneven, areas far from gate under-packed with lower density; regional crystallinity differences causing different densities
Çözüm
1) Optimize gate design for uniform holding pressure transmission; 2) Uniform mold temperature to reduce crystallization differences; 3) Multiple gates to improve holding pressure distribution
Temel Çıkarım
Uneven density is caused by uneven holding; optimizing gate design is key
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