Processing Machinery
8 görüntüleme
LLDPE thermocouple calibration
Sorun Belirtisi
Two lines with the same parameters have different film thicknesses
Neden Analizi
Temperature control deviation causes different actual melt temperatures; when troubleshooting on site, verify item by item according to this mechanism to 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
Çözüm
Calibrate thermocouples regularly; replace if deviation exceeds ±3°C; 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
Temel Çıkarım
Multi-line consistency relies on unified metrology; 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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