Processing Machinery
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HDPE thermocouple calibration
Fenómeno do problema
Multiple machines produce different quality with the same parameters
Análise das causas
Thermocouple deviation makes the actual temperature different; when troubleshooting on site, 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
Solução
Calibrate thermocouples regularly; replace those with deviation exceeding ±3℃; after adjustment, continuously sample 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
Conclusão principal
Unified temperature measurement is the prerequisite for multi-machine consistency; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems
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