Extrusion & Post
11 조회수
EVA surface snakeskin pattern
문제 현상
Snakeskin-like irregular texture on EVA extruded product surface
원인 분석
Extrusion temperature too low with uneven melt elastic recovery; uneven die temperature distribution
해결 방법
1) Increase extrusion temperature to the processing temperature range; 2) Make die temperature uniform ±2°C; 3) Reduce extrusion rate to reduce elastic recovery
핵심 요약
Snakeskin pattern is caused by low-temperature extrusion and elastic recovery; increasing temperature and reducing speed are key
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