Molds & Tooling
3 조회수
PCABS Tiger Skin Marks
문제 현상
[Problem Phenomenon] PC/ABS surface has alternating light and dark tiger skin marks
원인 분석
The melt front advances unsteadily; melt temperature and mold temperature are low or speed fluctuates; 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 data and should be confirmed first during troubleshooting
해결 방법
Stabilize melt temperature and mold temperature; smooth the speed curve; check plasticization stability; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
핵심 요약
PC/ABS tiger skin marks require stable temperature and stable speed; 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 similar problems in the future
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