Questions tagged [bowden]

Questions using this tag should involve the Bowden extruder - a type of FDM extruder that doesn't have the motor mounted to the printer's XY gantry.

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2
votes
1answer
78 views

Ender 5: Bowden tube shifts in/out of extruder during retractions

I have an Ender 5 with an aluminum extruder that was printing beautifully for a few days after building it. I received a Capricorn bowden tube and new couplings as a gift, and replaced those, and now ...
1
vote
0answers
49 views

Ender 3 stock bowden tube inner diameter? Worth upgrading?

I recall hearing claims that the Ender 3 (maybe only newer units?) has a narrower bowden tube than some printers that helps with flexible materials, but I can't find any authoritative figures. Does it ...
5
votes
4answers
152 views

What makes an extruder right handed?

I have been looking to buy a new extruder. One of the options I have seen comes in "right handed" and "left handed". What does this mean? How can I tell what my current extruder is, so I get the ...
5
votes
2answers
146 views

Installing bowden tube into E3D V6

I'm struggling with an upgrade I made to my Creality CR-10. I upgraded the extruder to an E3D V6 hotend. The extruder mount and cooling fans are installed and working, however, I'm doing something ...
2
votes
3answers
1k views

Clogging due to heat creep: buy new cooler or new hotend?

Sadly, I am not able to "repair" my 3D printer. Every time, I want to print something that takes a bit longer to print, the extrusion stops at some point during the print (the first few layers are ...
1
vote
1answer
92 views

Filament gets coiled inside the extruder

A while ago bought a Bowden extruder to replace the old built-in one (It was malfunctioning or something that I cannot remember well). This one in particular has been acquired: The thing is, that ...
7
votes
1answer
364 views

PTFE pulled into extruder gears

I have a Tevo Tarantula, the problem is that PTFE is getting pulled back to the extruder gears and stopping filament extrusion, do you know how to solve this? Image: One hypothesis I have is that ...
5
votes
2answers
91 views

What are the limiting factors when trying to print flexible filaments with a Bowden extruder setup?

Other than the most obvious issue with the filament kinking in the tube, what other issues could arise when trying to print flexibles (i.e. TPU/TPE, Nylon, etc.) with a Bowden style extruder setup? ...
3
votes
2answers
707 views

Bowden tube clog

There's PLA filament clogged in my bowden tube, is there a best practice for cleaning it out or do I need to replace the whole tube? Also the couplings are totally stuck :S - so I guess those would ...
3
votes
2answers
144 views

Would adding fiberglass packaging tape to a bowden tube be beneficial?

I came across this suggestion on the klipper github, https://www.facebook.com/groups/Hypercube.Evo/permalink/192106034761003/. In order to reduce the stretching in the bowden tube you can add ...
5
votes
2answers
905 views

Extruder Clicking without Extrusion Problems

I own a DIY Hypercube Evolution equipped with Tevo Titan extruder, Clone Chimera hotend and Capricorn's High-temp PTFE tube. I use RAMPS with Mega and A4988's. During prints, my extruder motor ...
4
votes
1answer
750 views

What do you call this effect in 3D printing and how can I remove it?

I have a Bowden extruder in my printer setup. Everything works great except this effect which must be related with retraction and is generated on Z layer change: The model itself, is printed in ...
3
votes
1answer
228 views

Can I use Bowden hotend instead of Wade for a direct extrusion?

I am planning to buy 4 hotends (e3d clones I assume), but I am wondering if the Bowden (long distance) be able to be used as Wade (direct extruder)?. When the pneumatic fitting is removed there is a ...
1
vote
2answers
265 views

Smooth transition between a PTFE tube and the back of a push-fit coupler

I'm creating a reverse Bowden setup to guide my filament from spool to extruder, through a path which contains two couplers in the middle as follows: ...
8
votes
3answers
1k views

How to straighten PTFE tubes?

PTFE tubes are typically delivered coiled up. And because they are quite stiff, they always want to spring back to their original curvy shape, making them harder to route properly. Is there a way to ...
7
votes
4answers
6k views

Can I increase retraction length on an E3Dv6 beyond 2 mm if I have a really long Bowden tube?

E3D mentions on their own wiki: Excessively long retractions will cause issues by dragging soft filament into cold areas. [...] for bowden systems you might want to go up to 2 mm. Retraction ...