Molds & Tooling
6 مشاهدة
Excessive anisotropy of PBT reinforced products
ظاهرة المشكلة
The performance difference between the flow direction and the perpendicular direction of glass fiber reinforced PBT products is too large (>50%).
تحليل الأسباب
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.
الحل
Optimize the gate position to make the glass fiber orientation distribution uniform; use mineral/glass fiber hybrid fillers to reduce anisotropy.
الخلاصة الأساسية
PBT anisotropy needs to be considered at the design stage.
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