Extrusion & Post
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Stringing and nozzle clogging in PLA 3D printing
Problem Phenomenon
When printing PLA by FDM, the nozzle strings or clogs.
Cause Analysis
The printing temperature is too high, the melt is too thin and strings, and the retraction is insufficient; or the temperature is too low, the melt is not completely extruded and clogs the nozzle.
Solution
Optimize the printing temperature at 190-210°C; increase the retraction distance to 4-6mm; clean or replace the nozzle.
Key Takeaway
The parameter optimization of PLA 3D printing is the key to printing success.
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