Injection Molding
3 조회수
EMA surface orange peel
문제 현상
Orange-peel-like uneven texture on EMA product surface with rough hand feel
원인 분석
Mold temperature too low <30°C; product surface cools and solidifies quickly, then interior continues to shrink causing surface unevenness; injection speed too low
해결 방법
1) Increase mold temperature to 40-50°C to delay surface solidification; 2) Appropriately increase injection speed; 3) Increase holding pressure to reduce internal shrinkage
핵심 요약
Orange peel is caused by rapid cooling and solidification; increasing mold temperature and holding pressure are key
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