Molds & Tooling
4 조회수
Unbalanced filling of PET multi-cavity molds
문제 현상
The filling degree of each cavity of the PET multi-cavity mold is inconsistent, with short shots in some and overflow in others.
원인 분석
Runner system design is unreasonable with uneven flow resistance; gate sizes are inconsistent (machining deviation); mold temperature distribution is uneven.
해결 방법
Adopt balanced runner design (natural balance or rheological balance); correct each gate size; equalize temperature in each zone; optimize with mold flow analysis.
핵심 요약
Balanced filling of PET multi-cavity molds is a basic requirement of precision '2079851475616104452.
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