Extrusion & Post
10 조회수
EAA screw slipping
문제 현상
Screw slipping during EAA extrusion, feed not advancing, output dropping sharply
원인 분석
EAA granules melting too early in the feeding section forming a lubricating film causing screw slipping; feeding section temperature too high
해결 방법
1) Reduce feeding section temperature by 10-15°C to delay melting; 2) Deepen feeding section flights to increase material gripping force; 3) Dry granule surfaces to reduce lubrication
핵심 요약
Screw slipping is caused by premature melting; lowering the feeding section temperature is key
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