Injection Molding
4 görüntüleme
Glass Fibre '2079851475616104452 flow marks
Sorun Belirtisi
Glass Fibre injection molded product surface shows radial flow marks centered on gate
Neden Analizi
Injection speed too fast causes melt front instability; mold temperature too low <30°C, front rapidly cools forming marks
Çözüm
1) Adopt multi-stage injection speed slow-fast-slow to control front stability; 2) raise mold temperature to 40-50°C to delay front cooling; 3) stabilize injection pressure to avoid fluctuation; 4) enlarge gate area to reduce pressure sudden change at gate
Temel Çıkarım
Flow marks are caused by injection front instability and rapid cooling; multi-stage injection and high mold temperature are key
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