Injection Molding
6 görüntüleme
PVA surface orange peel pattern
Sorun Belirtisi
PVA product surface has orange-peel-like uneven texture, rough to the touch
Neden Analizi
Mold temperature on the low side <30°C, product surface cools and solidifies quickly while the interior continues to shrink, causing surface unevenness; injection speed too low
Çözüm
1) Raise mold temperature to 40-50°C to delay surface solidification; 2) Appropriately increase injection speed; 3) Increase holding pressure to reduce internal shrinkage
Temel Çıkarım
Orange peel pattern is caused by rapid cooling and solidification; raising mold temperature and holding pressure are the key
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