Injection Molding
4 görüntüleme
CEF injection multi-cavity filling unbalanced
Sorun Belirtisi
The filling amount of each cavity of the CEF injection 8-cavity mold differs by ±15%, some cavities have short shot and some have flash
Neden Analizi
The runner design is unbalanced, the runner length and resistance of each cavity are inconsistent; the gate size of each cavity is inconsistent
Çözüm
1) Adopt a balanced runner design to ensure equal length and equal resistance of each cavity runner; 2) The gate size of each cavity is precisely consistent ±0.01mm; 3) Reduce the injection speed to reduce the influence of resistance differences; 4) Use mold flow analysis software to optimize the runner design
Temel Çıkarım
Multi-cavity filling imbalance is caused by the runner design; balanced runners and mold flow analysis are the key
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