Injection Molding
3 조회수
Thin-wall products with wall thickness <1mm have many short shot, warpage and deformation problems
문제 현상
Thin-wall products with wall thickness <1mm have many short shot, warpage and deformation problems
원인 분석
Thin-wall filling difficult, melt front rapidly condenses, short shot
Injection speed needs to be extremely fast, thin-wall condensation time short
Gate design needs to ensure filling of thin-wall areas
Holding time short, gate rapidly freezes, insufficient shrinkage compensation
Cellulose acetate butyrate flowability needs to meet thin-wall requirements
해결 방법
Increase injection speed to ensure fast thin-wall filling
Use multi-point gates to ensure filling of thin-wall areas
Raise mold temperature to the high side of 40-80°C to delay condensation
Increase holding pressure to compensate for rapid thin-wall gate freezing
Select high-flowability cellulose acetate butyrate variety
핵심 요약
Thin wall requires high-speed injection and high-flowability material
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