Injection Molding
6 görüntüleme
DSTDP injection flow marks
Sorun Belirtisi
DSTDP injection molded product surface shows radial flow marks centered on the gate
Neden Analizi
Injection speed too fast causing unstable melt front; 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 the gate
Temel Çıkarım
Flow marks are caused by unstable injection front and rapid cooling; multi-stage injection and high mold temperature are key
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