Processing Machinery
3 조회수
PA66 thermocouple calibration
문제 현상
Multiple machines produce the same PA66 product, process parameters identical but quality performance differs
원인 분석
Thermocouple aging degrees differ among machines, displayed temperature the same while actual melt temperature differs, process parameters lose comparability; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
해결 방법
Establish regular thermocouple calibration system, compare with a standard thermometer; replace when deviation exceeds ±5℃; check temperature controller synchronously during mold change; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
핵심 요약
Temperature measurement consistency is the premise of multi-machine process replication; 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 subsequent similar problems
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