Material Drying
4 조회수
Melt breakage during extrusion
문제 현상
Melt breakage during extrusion, the product cannot be continuously formed, production interrupted
원인 분석
Extrusion temperature too low (below the lower limit of 170-230°C), insufficient melt strength
Poor screw plasticization, discontinuous melt
Raw material moisture content exceeds standard
Screen pack blocked
Haul-off speed too fast, tensile breakage
해결 방법
Increase the extrusion temperature to the 170-230°C range
Ensure continuous screw plasticization
Fully dry the raw material
Replace the screen pack
Appropriately reduce the haul-off speed
핵심 요약
Extrusion breakage requires increasing temperature and ensuring continuous plasticization
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