Processing Machinery
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PCABS nozzle temperature anti-drool
Fenómeno do problema
【Problem Phenomenon】PC/ABS nozzle drooling or cold material, improper temperature setting
Análise das causas
Nozzle temperature slightly lower than the front section prevents drooling but cannot be too low to cause cold material; adjust in the 240-255℃ range according to the grade; drooling and cold material are the two ends of temperature; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solução
Nozzle temperature 5-10℃ lower than the front section; lower 5℃ to verify for drooling; raise 5℃ to verify for cold material; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PC/ABS nozzle temperature seeks balance, drooling and cold material each take a step back; after confirming effectiveness, fix 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 later
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