Extrusion & Post
4 조회수
PCABS Delamination and Peeling
문제 현상
[Problem Phenomenon] PC/ABS products peel between layers and crack along layers when bent
원인 분석
Excessively low melt temperature causes two-phase separation, excessive shear causes delamination, and material contamination; the two-phase structure of PC/ABS is sensitive to the process; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Increase melt temperature to ensure uniform melting; reduce excessive shear; check material contamination; 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
For PC/ABS delamination, check melt temperature and shear; contamination also causes layer separation; 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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