Molds & Tooling
7 조회수
ASA Tiger Stripe Light-Dark Pattern
문제 현상
【Problem Phenomenon】Alternating light and dark tiger stripes on ASA product surface, periodically distributed
원인 분석
Unstable melt front advancement produces gloss light-dark differences; low melt temperature and mold temperature or filling speed fluctuation are the inducements; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
해결 방법
Increase and stabilize melt temperature and mold temperature; injection speed curve smoothed; check plasticizing feed stability; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
핵심 요약
ASA tiger stripes are front instability, temperature and speed dual stabilization; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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