Injection Molding
6 조회수
POM product surface orange peel
문제 현상
The product surface shows orange-peel-like microscopic unevenness and dull gloss, improving after polishing the mold and increasing mold temperature.
원인 분석
Low mold temperature causes the melt to poorly replicate the microscopic structure of the cavity surface; low injection speed and decreased front temperature also form an orange-peel-like surface.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
①Increase mold temperature; ②increase injection speed; ③increase melt temperature; ④improve cavity surface polishing quality.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
Orange peel is a manifestation of poor replication; temperature and speed improve replication capability, and optical or appearance surfaces also need high mold polishing.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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