Processing Machinery
4 görüntüleme
POM melt temperature too low
Sorun Belirtisi
The POM melt temperature was set at 180°C, and the products have cold slugs and low strength
Neden Analizi
Below the temperature for sufficient melting, plasticization is poor and melt uniformity is bad; during on-site troubleshooting, 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
Çözüm
Raise the melt temperature above 190°C; check the heater band condition; enlarge the cold slug well; after adjustment, take continuous samples 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
The temperature lower limit ensures plasticization quality, and the temperature must not be lowered excessively to prevent degradation; 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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