Injection Molding
5 조회수
PVA surface orange peel pattern
문제 현상
PVA product surface has orange-peel-like uneven texture, rough to the touch
원인 분석
Mold temperature on the low side <30°C, product surface cools and solidifies quickly while the interior continues to shrink, causing surface unevenness; injection speed too low
해결 방법
1) Raise 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 pattern is caused by rapid cooling and solidification; raising mold temperature and holding pressure are the key
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