Injection Molding
11 조회수
Uneven Density of PBT Injection-Molded Products
문제 현상
The density of various parts of the product differs, affecting mechanical properties and uniformity.
원인 분석
The filling front flow speed is inconsistent and the pressure transmission is uneven; the holding compensates for shrinkage to different degrees in different regions; the cooling rates differ.
해결 방법
Optimize the gate position to achieve balanced filling; increase the holding pressure; make the mold temperature uniform.
핵심 요약
PBT density uniformity is the basis of quality consistency.
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