Processing Machinery
3 조회수
POM hot water valve core
문제 현상
POM water valve cores show strength decay in long-term hot water environments
원인 분석
POM's hot water resistance has an upper limit, and long-term immersion in hot water above 80°C degrades performance; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Select hot-water-resistant grades for hot water valve cores; switch to PPS or metal for conditions exceeding 80°C; verify by hot water life test; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
핵심 요약
Hot water parts are selected according to the temperature boundary; 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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