Processing Machinery
4 görüntüleme
PA66 melt temperature actual measurement
Sorun Belirtisi
Barrel set at 280℃ but product performance varies good and bad, measured melt temperature fluctuates up to 15℃
Neden Analizi
Temperature control system thermocouple aging or heater band power decay, actual melt temperature deviates from the set value, PA66 narrow temperature window is sensitive to fluctuation; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Çözüm
Regularly measure air-shot strand temperature with a melt thermometer; calibrate temperature control when deviation exceeds ±5℃; heater bands and thermocouples included in regular replacement plan; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
PA66 temperature window is narrow, measured calibration of the temperature control system is the premise of stable production; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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