Injection Molding
6 조회수
POE '2079851475616104452 multi-cavity filling imbalance
문제 현상
POE injection 8-cavity mold, cavity filling amount difference ±15%, some cavities short shot, some flash
원인 분석
Runner design unbalanced, runner length and resistance of each cavity inconsistent; gate sizes of each cavity inconsistent
해결 방법
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 resistance difference influence; 4) Use mold flow analysis software to optimize runner design
핵심 요약
Multi-cavity filling imbalance is caused by runner design; balanced runners and mold flow analysis are key
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