Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?
 
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Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?  

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amundsen
(@amundsen-2)
Eminent Member
Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?

Hello,

The access to the idler screws is really uneasy on the XL's Nextruder. I always unscrew the back cover of the extruder to modify their setting, otherwise it's super-difficult to turn them.

Has anyone created an alternative part? Or is the CAD file of the original part available somewhere so that I could create one myself?

Posted : 04/04/2025 4:21 pm
1 people liked
amundsen
(@amundsen-2)
Eminent Member
Topic starter answered:
RE: Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?

Bingo! First I had to find the name of the part: « Dwarf cover door » (I beg your pardon?).

And here’s the suitable mod!

Posted : 04/04/2025 6:49 pm
amundsen
(@amundsen-2)
Eminent Member
Topic starter answered:
RE: Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?

And there’s even a second one!

Posted : 04/04/2025 6:52 pm
ssill2
(@ssill2)
Noble Member
RE: Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?

thanks for this info, I just printed of that second alternative.  Anxious to try this.  I print with tpu often and I always feel like I'd like to make some adjustments to the idler screws but it's such a pain.

Posted : 07/04/2025 11:50 am
Brian
(@brian-12)
Prominent Member
RE: Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?

Interesting, I print 95A TPU all the time and never adjust the screws.  It prints fine.

Posted : 07/04/2025 12:35 pm
ssill2
(@ssill2)
Noble Member
RE: Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?

I tend to do softer, 92A,  85A(Ninjaflex) and even some 75A(Chinchilla).   I'm getting back into doing this after quite sometime and the profile I had for ninjaflex is under extruding a bit.  I'm slowly notching up extrusion multiplier and it's getting better again.  This is a big reason I hate printing with tpu but the wife always wants me to print stuff in it.   

Posted : 07/04/2025 12:40 pm
ktastrophe
(@ktastrophe)
Active Member
RE: Access to the idler screws is not easy - why is the back cover of the Nextruder on the way? Alternative part?

I don't know if I'm missing a bolt but I just swing the little cover up and out of the way - I can see why this would be impossible with the tool parked, but I generally bypass everything to print TPU anyway, so it doesn't seem like a big deal to pick the tool up. Very soft TPU does not print well at all on the XL, but 95A needs basically no modifications whatsoever. 

Posted : 30/04/2025 5:59 pm
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