Injection Molding
6 조회수
POM check ring wear
문제 현상
POM metering is unstable and product weight fluctuates
원인 분석
Check ring wear causes material leakage, and the actual injection amount of each shot fluctuates; 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
Regularly check the check ring clearance; replace when wear exceeds the standard; monitor weight with SPC; after adjustment, take continuous samples 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
Metering stability is guaranteed by the check ring condition; 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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