Injection Molding
4 조회수
ABS burnt multiple factors
문제 현상
[Problem Phenomenon] ABS end rib position burnt, adjusting venting alone ineffective
원인 분석
Four factors of burnt: poor venting, melt temperature too high, injection speed too fast, nozzle/hot runner local overheating; need to troubleshoot one by one to locate; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
해결 방법
Open venting first then reduce end speed; check melt temperature and nozzle local overheating; systematic troubleshooting, not single-shot; after adjustment, continuously sample to verify the effect, resume mass production only after confirming stability
핵심 요약
ABS burnt has four factors, check venting, temperature, speed, and nozzle one by one; 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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