Extrusion & Post
4 조회수
PC/ABS paint adhesion
문제 현상
Poor paint film adhesion after coating.
원인 분석
Surface contamination or mold release agent residue; surface energy mismatch.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
해결 방법
①Clean before coating; ②control mold release agent; ③select matching paint system; ④do adhesion test.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
Coating quality starts from surface cleanliness.; 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 later
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