Injection Molding
4 조회수
Severe Anisotropy in Thin-Wall Filling in LCP '2079851475616104452
문제 현상
The properties of LCP products differ greatly between the flow direction and the perpendicular direction (shrinkage rate 0-0.2% in the flow direction, 0.5-1.0% in the perpendicular direction), and the products warp and deform.
원인 분석
LCP molecular chains are highly oriented in the flow direction, forming a skin-core structure, resulting in strong mechanical and shrinkage anisotropy.
해결 방법
Optimize the gate position so that the flow direction matches the stress direction; use multiple gates to reduce orientation; the mold design considers anisotropic shrinkage compensation.
핵심 요약
The anisotropy of LCP is a double-edged sword: utilizing orientation can obtain high strength, but it also brings shrinkage and warpage challenges.
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