Material Drying
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PPS product drying equipment
Fenómeno do problema
Unstable drying effect.
Análise das causas
PPS high-temperature drying places high demands on equipment; dew point and temperature must meet standards.; During on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solução
①Dehumidifying dryer configuration; ②dew point ≤-40℃; ③regular calibration; ④monitor air volume.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
Drying equipment is the first gate of PPS quality.; 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 subsequent similar problems
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