Extrusion & Post
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ASA FDM Interlayer Delamination
Fenómeno del problema
【Problem Phenomenon】ASA printed parts have weak interlayer bonding, cracking along layers under force
Análisis de la causa
Low extrusion temperature and too fast cooling cause insufficient interlayer diffusion; low chamber temperature and large interlayer temperature difference, poor fusion; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Solución
Increase nozzle temperature to window upper limit; enclosed chamber for heat preservation; fan 0% to reduce interlayer cooling; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Conclusión clave
ASA printing weak interlayer first raise temperature, chamber heat preservation and fan off; 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 subsequent similar problems
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