Molds & Tooling
4 조회수
Excessive anisotropy of PBT reinforced products
문제 현상
The performance difference between the flow direction and the perpendicular direction of glass fiber reinforced PBT products is too large (>50%).
원인 분석
The glass fiber is highly oriented in the mold filling flow direction, causing anisotropy of mechanical properties; the product design and gate position are improper.
해결 방법
Optimize the gate position to make the glass fiber orientation distribution uniform; use mineral/glass fiber hybrid fillers to reduce anisotropy.
핵심 요약
PBT anisotropy needs to be considered at the design stage.
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