Molds & Tooling
7 조회수
ABS product warpage——glass fiber orientation type
문제 현상
GF-ABS flat plate products warp along a fixed direction, and adjusting cooling has little effect.
원인 분석
The glass fibers orient along the flow direction, and the shrinkage rates in the flow direction and transverse direction differ greatly, forming anisotropic warpage, which is jointly determined by the material and the gate.
해결 방법
①Adjust the gate position to change the material flow/fiber orientation; ②do Moldflow fiber orientation analysis; ③balance the holding pressure; ④change to a grade with lower fiber content or mineral filling when necessary.
핵심 요약
Orientation-type warpage relies on gate design, not on hard pressing by cooling.
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