Molds & Tooling
3 조회수
PCABS Ejector Whitening and Cracking
문제 현상
[Problem Phenomenon] PC/ABS whitens and is pushed through at ejector pins, damaged during demolding
원인 분석
Insufficient cooling causes low strength, few and small ejector pins, and fast ejection speed; high incidence in thin-walled parts; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Extend cooling; add ejector pins for balance; reduce ejection speed; 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 ejector whitening, check cooling and ejection; be more careful with thin-walled parts; 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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