Hello, I bought a 0.2 mm nozzle, installed it on my k2 plus device and marked the 0.2 mm nozzle from the program for pla printing, I have filament jamming in every print and it is very difficult to clean, I have to disassemble the head and it gets stuck very quickly every time. what exactly do I need to do?
This is very small nozzle for every FDM printer. Hard to print, need to tinker and clean filament.
I have some problems with sunlu fillament after 24 hours in the cfs the first 250mm fillaments getting hard and snaps in the tubes and i get extruder jam en extraction errors. Dont know maybe its the 0.2 nozzle but when ignoring that it sounds the same as the hard snappie filament problem i had.
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Why do you want to print with a 0.2 nozzle? You can also achieve a layer height of 0.08 with the 0.4 nozzle.
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I wanted to try more precise printing. . I was curious . I saw the option of k2 0.2 nozzle, I bought it, but it may not be the original nozzle. I tried it, after every 4 or 5 minutes, the filament jam occurred, it locked very tightly between the gears, it was very difficult to remove it.
I also wanted to try some models that are not only layer thinning but also road thinning. we can reduce the layer but the road width is also important.
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Especially in color prints, detail is very important, I wanted to try 0.2 for fine road lines and details, those details were not smooth in 0.4. Although I set the retraction and push settings to half setting, there were always lock-ups, I tried for 2 days, but my efforts were wasted.
Then try this
- Reduce print speed
Smaller nozzles have a lower material flow rate.
Recommended: Reduce the print speed to approx. 20-40 mm/s, depending on the filament and layer height.
- Adjust layer height
Rule of thumb: Layer height ā 25-75 % of the nozzle diameter.
For 0.2 mm nozzle: layer height between 0.05 and 0.15 mm.
For best quality: 0.08-0.1 mm.
- Optimize retraction and flow
Increase retraction distance slightly, e.g. by 0.2-0.5 mm.
Reduce flow rate slightly if necessary, as over-extrusion is more noticeable with fine nozzles.
Calibration necessary (preferably with test objects such as āFlow Cubeā).
- Temperature & cooling
The material cools down more quickly with a smaller nozzle:
Increase cooling (e.g. 80-100 %).
If necessary, increase the printing temperature slightly by 5 Ā°C to prevent clogging.
- Filament quality
High-quality, uniform filament is important - otherwise the fine nozzle will clog quickly.
Do not use coarse filament or filament with particles (e.g. glitter, woodfill).
- Slicer adjustments
If you are using OrcaSlicer:
Set nozzle to 0.2 mm (under printer settings).
Adjust layer height.
Check line widths (perimeter, infill etc.) manually - these should match the nozzle.
Pay attention to āMinimum Wall Line Widthā - can lead to errors if set too thick.
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Use .04 nozzle ,