Processing Machinery
5 görüntüleme
LCP Anisotropic Warpage
Sorun Belirtisi
LCP product warpage direction is consistent with molecular orientation, and conventional machine adjustment methods are poorly effective.
Neden Analizi
LCP molecular chains are highly oriented along the flow direction, with shrinkage near zero in the flow direction and large shrinkage in the perpendicular direction; uneven orientation makes thermal expansion and shrinkage anisotropic, causing warpage.
Çözüm
①Optimize gate position to control orientation direction; ②use glass fiber or mineral filled grades to reduce anisotropy; ③uniform wall thickness design; ④mold flow analysis to predict orientation and then adjust the gate.
Temel Çıkarım
The root of LCP warpage is the anisotropy of molecular orientation; filled grades can significantly reduce anisotropy (contrary to ordinary resins), and gate design is the first means.
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