Injection Molding
6 görüntüleme
DSTDP injection multi-cavity unbalanced filling
Sorun Belirtisi
DSTDP injection 8-cavity mold, filling amount difference between cavities ±15%, some cavities short shot, some flash
Neden Analizi
Unbalanced runner design, runner lengths and resistance of each cavity inconsistent; gate sizes of each cavity inconsistent
Çözüm
1) Adopt balanced runner design to ensure equal length and equal resistance of each cavity runner; 2) gate sizes of each cavity precisely consistent ±0.01mm; 3) reduce injection speed to reduce the influence of resistance differences; 4) use mold flow analysis software to optimize runner design
Temel Çıkarım
Multi-cavity unbalanced filling is caused by runner design; balanced runner and mold flow analysis are key
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