Extrusion & Post
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PA12 FDM Printing Parameter Optimization
Fenómeno do problema
【Problem phenomenon】FDM printed PA12 parts had poor interlayer bonding and dimensional deformation, with a low success rate
Análise das causas
Nozzle 240-260℃, build plate 80-100℃, speed 30-50mm/s, and infill 80-100% are the baseline window for PA12 FDM; interlayer cooling for 1-2 seconds prevents poor adhesion
Solução
Set according to the baseline window and fine-tune by part; functional parts have infill density ≥90%; control interlayer cooling time at 1-2 seconds; support density 20-30% for easy removal
Conclusão principal
FDM parameters have a baseline window, and functional parts start with 90% infill density; after confirming effectiveness, solidify 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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