Bowden coupling for 3D printer non slip edition
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Publicado:2026-01-13 10:51:38
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Another Bowden coupling design that holds the 4mm PTFE tube in a secure grip.
Make sure to not over tighten, keep move a filament in the tube as you tighten the nut and stop when you feel the slightest friction increase, if possible try to insert a 1.9-2 mm steel wire while tightening to avoid to distort the tube geometry. Now you have a rigid Bowden connection.
Several versions of the body to suit different applications and needs.
Print in the kind of filament that suit your own specifications and demands.
Fusion 360 and step file included for they who feel for tweaking.
Pay a visit to stockholmviews.com as a courtesy ;)
Print Settings
Printer Brand:
Creality
Printer:
Ender 3
Rafts:
Yes
Supports:
Yes
Resolution:
200
Infill:
60-100
Filament: ANY PETG, ASA, PC, HT-PLA depending on your needs and usage. ANY
Notes:
Nut to body fit is tight and need to be cleaned up after print.
I had to use a couple of spanners to tighten it up,not a bad thing as long as you don't brake it.
It might be a good idea to try printing the nut at + a few% to make it run smoother.
I printed my body resting sideways on the square surface but the threads looks dreadful so I suggest printing it upright standing on the large thread (The end that takes the nut).
I printed the nut with the large opening against the bed and it came out great, a bit work to clear out the supports for the thread but it came out great in the end.
The small tapered "chuck" parts was printed with the curved side against the bed and also needed some sanding to clean up from supports.
Feel free to experiment with print directions and settings as you might come up with a better solution :D
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