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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1answer
53 views

Adventurer 3 3D Printer doesn't extrude correctly

I am a noob at 3D printing which we all are/was at some point. I have no clue how to address the issue which likely is reason why I haven't found the solution yet. So if you see that this question has ...
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2answers
56 views

Filament feed tube

I'm new to 3D Printing and recently purchased an Ender 3D PRO I'm having an issue with the filament guide tube getting pushed out of the nozzle on the feeding mechanism. The assembly instructions don'...
4
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1answer
239 views

What causes my Bowden tube to melt on the side?

I run a 3D printer farm and I have to replace my Bowden tubes on the printers after about a month or two of use(roughly 1000 hours of use). The Bowden tubes continually melt on the side of the tube ...
1
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1answer
99 views

Adding a Bowden extruder to a direct drive setup

I currently have a single extruder (direct drive) Tronxy X8. I am thinking about adding a second extruder, that I would use only occasionally. I really like the characteristics of the direct drive ...
4
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1answer
119 views

Bowden setup keeps jamming between PTFE tube and heatsink

I keep getting a jam where the PTFE tube meets the top of the v6 hot end. I have the PTFE tube all the away in but for some reason it gets a bulge at that spot and will stop printing. It happens with ...
5
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3answers
98 views

Switched to a Bowden setup. Should I retract the filament out at the end of a print?

I switched my Anet A8 over to a Bowden and it's printing great. Moving that weight off has enabled me to almost double the speed and resonance problems have vanished. My question is regarding after ...
6
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1answer
903 views

How does slipping Bowden tube affect retraction or does it at all?

I have an Ender 3 Pro with upgraded Bowden capricorn tube. The tube will move approximately 1-2 mm during normal operation, though it will not come out of the coupler at all. I have read that the ...
3
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0answers
650 views

Horizontal defects when linear_advance enabled?

What could cause that? When linear_advance (v1.5) is "off" (M900 K0) - everything is uniform and smooth, only corners are protruding as expected. When it is "on"...
4
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1answer
2k 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 ...
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0answers
209 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
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4answers
1k 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 ...
6
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2answers
359 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 ...
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4answers
6k 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
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2answers
223 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
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1answer
428 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
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2answers
108 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? ...
4
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3answers
2k 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 ...
4
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3answers
268 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 ...
6
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3answers
2k 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
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1answer
1k 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
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1answer
340 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 ...
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2answers
311 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
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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
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4answers
7k views

Can I increase retraction length on an E3D v6 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 ...