Extrusion & Post
10 조회수
EMA screw slippage
문제 현상
Screw slippage during EMA extrusion with feed not advancing and output dropping sharply
원인 분석
EMA pellets melt too early in the feed section forming a lubricating film causing screw slippage; feed section temperature too high
해결 방법
1) Lower feed section temperature by 10-15°C to delay melting; 2) Deepen feed section flights to increase gripping force; 3) Dry pellet surface to reduce lubrication
핵심 요약
Screw slippage is caused by premature melting; lowering feed section temperature is key
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