Processing Machinery
3 조회수
POM thermocouple calibration
문제 현상
Multiple machines produce POM with the same parameters, but the quality differences are obvious
원인 분석
Thermocouple deviations make the nominally same temperature actually different, and POM's temperature sensitivity amplifies the differences; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
해결 방법
Calibrate thermocouples regularly; replace when deviation exceeds ±3°C; unify the benchmark in process documents; 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
Unified temperature measurement is the prerequisite for multi-machine consistency; 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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