Injection Molding
5 조회수
DSTDP surface tiger stripes
문제 현상
DSTDP injection molded product surface tiger stripes, alternating light and dark stripes 2-5mm wide
원인 분석
Injection speed unstable, melt front fluctuates fast and slow; mold temperature on the low side <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 for stable advancement
핵심 요약
Tiger stripes are caused by unstable injection front; multi-stage injection and high mold temperature are key
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