Injection Molding
4 görüntüleme
EMA '2079851475616104452 Multi-Cavity Filling Imbalance
Sorun Belirtisi
In an EMA '2079851475616104452 8-cavity mold, the filling amount of each cavity differs by ±15%, some cavities short shot, some flash
Neden Analizi
Unbalanced runner design, runner lengths and resistances of each cavity inconsistent; gate sizes of each cavity inconsistent
Çözüm
1) Adopt balanced runner design to ensure equal length and equal resistance of runners to each cavity; 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 filling imbalance is caused by runner design; balanced runners and mold flow analysis are key
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