Injection Molding
3 조회수
MP surface tiger-skin pattern
문제 현상
MP injection molded product surface has tiger-skin pattern, alternating light-dark streaks, width 2-5mm
원인 분석
injection speed unstable, melt front fluctuates fast and slow; mold temperature low <30°C, front rapidly cools
해결 방법
1) multi-stage injection slow-fast-slow to stabilize the front; 2) raise mold temperature to 40-50°C; 3) increase injection pressure to stabilize advancement
핵심 요약
tiger-skin pattern is caused by unstable injection front; multi-stage injection and high mold temperature are key
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