Processing Machinery
5 görüntüleme
TPU Barrel Temperature Zoning
Sorun Belirtisi
TPU plasticization is uneven and melt temperature fluctuates
Neden Analizi
Unreasonable barrel temperature gradient; 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 literature and should be confirmed first during troubleshooting
Çözüm
Barrel gradient of rear zone 170°C, middle zone 190°C, front zone 210°C; back pressure at the low limit; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
TPU temperature gradient is gentle and back pressure should be low; 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 problems in the future
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