Processing Machinery
3 조회수
PLA product sink marks
문제 현상
Depressions at thick-walled areas.
원인 분석
Insufficient feeding; uneven wall thickness.; 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
① Increase holding pressure; ② core out thick areas; ③ enlarge the gate; ④ uniform wall thickness.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
핵심 요약
Sink marks follow the feeding mechanism.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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