Injection Molding
3 조회수
Glass Fibre injection multi-cavity unbalanced filling
문제 현상
Glass Fibre injection 8-cavity mold, each cavity fill amount differs ±15%, some cavities short shot, some flash
원인 분석
Runner design unbalanced, each cavity runner length and resistance inconsistent; each cavity gate size inconsistent
해결 방법
1) Adopt balanced runner design to ensure each cavity runner equal length and equal resistance; 2) each cavity gate size 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 unbalanced filling is caused by runner design; balanced runner and mold flow analysis are key
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