The Shop > CNC
Ender 3 - General discussion
WeldingRod:
In some bowden/hot end chains there is a ledge. If the filament gets hung up on it you get thy he behaviour described. Pulling back and re-stabbing can fix it. Pulling all the way out, cutting at and angle, and trying again is another good tactic!
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AdeV:
--- Quote from: Will_D on January 28, 2020, 07:06:04 PM ---...
Try the move axis/extrude several mm or more and no the extruder just pushes and then filament springs back with a click.
Switch off, switch on, reset bed and extruder and guess what filaments flows no problem!
--- End quote ---
First, have you put on those little clips which hold the "push fit" mechanism solid on the bowden tube? They look exactly like the clips you put on push-fit plumbing to make sure any accidental pipe movement doesn't trigger the release. I'll find a picture tonight, I'm on a train right now and it's enough of an effort just to type...
The other thing I wonder - was your extruder actually up to temperature, or was it just lying about it?
One way to check is to release the extruder drive with the lever, then try to push the filament yourself. It should be possible, with relatively little effort, to extrude a string of plastic. If that isn't happening, you've got a mechanical cloggage somewhere.
Brass_Machine:
You can print bowden tube clips
Bowden tube clips
Eric
Brass_Machine:
Pretty happy with how the PEI is holding prints...
Will_D:
--- Quote from: AdeV on January 29, 2020, 08:12:32 AM ---First, have you put on those little clips which hold the "push fit" mechanism solid on the bowden tube?
--- End quote ---
Thanks AdeV, yes I had the little clips in place. However, recently things have been working much better.
Its a great teacher is the 3D lark!
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