Processing Machinery
3 조회수
PPS product dimensional accuracy
문제 현상
Dimensional deviation of precision parts.
원인 분석
PPS low shrinkage and dimensional stability are advantages; but process fluctuations still affect accuracy.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
해결 방법
①Stabilize mold temperature and holding pressure; ②measure actual shrinkage compensation; ③inspect after aging; ④SPC monitoring.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
PPS dimensional stability must be realized through process stability.; 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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