Material Drying
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PA6 3D Printing Filament
Fenómeno del problema
After PA6 printing filament absorbs moisture, printing shows popping sounds and interlayer foaming
Análisis de la causa
After the filament absorbs moisture, the moisture vaporizes and bursts at the nozzle high temperature, the interlayer bonding is destroyed by bubbles, and the strength and surface of the printed part are severely degraded; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solución
Store the filament sealed with desiccant; dry at 70-80°C for 4-6 hours before printing; control the printing environment humidity, and it is recommended to use an active drying feeding box; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
PA6 printing filament must be protected from moisture throughout, and drying is a necessary process before printing; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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