Processing Machinery
2 Aufrufe
Actual measurement of POM melt temperature
Problembeschreibung
The machine was set at 200°C but product performance fluctuated, and the measured melt temperature deviation reached 12°C
Ursachenanalyse
Thermocouple position and aging make the displayed temperature deviate from the actual melt temperature, and POM's narrow temperature window is sensitive to deviation; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
Regularly measure the melt temperature by air shot; calibrate the thermocouple when the deviation exceeds ±5°C; process records are based on actual measurement; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
POM's narrow temperature window requires reliable temperature control measurement; 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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