Molds & Tooling
4 조회수
POM Pockmark Pits
문제 현상
Pockmark-like pits on POM part surfaces
원인 분석
Mold deposit transfer from the mold surface or gas contained in the melt causes poor surface replication; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
해결 방법
Clean the mold surface; check drying and venting; increase holding pressure to improve replication; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
핵심 요약
Troubleshoot pockmarks along the two routes of mold surface condition and gas content; after confirming effectiveness, solidify 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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