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donnyb99

CR-10 X-Axis Tensioner

by donnyb99 Apr 7, 2017
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In order to get this to work for my CR-10S, I designed this bushing (that you can download from https://www.thingiverse.com/thing:3721284) so that you can use a M5x25 bolt and nut with the existing CR-10S bearings pair.

Bushing for CR-10S X-Axis Tensioner

So from what I'm reading below, this will NOT fit a stock ORIGINAL CR-10? I'm using the very first version of the CR-10, not the CR-10S or any v2 variant. This is v1 CR-10 with V1 motherboard. Included photos so you can see. If this mod won't work, what other's do you suggest for a stock, original version CR-10? Thanks!

Would it really be that difficult to add the BOM to the description? Also, does this even fit late model CR-10's?

Heads up, do NOT print this for the CR-10S as the belt is far too short. Modifications are needed to the main bracket. The main bracket is super fragile with supports (especially trying to break them off), needs an update...

pity, I printed the change but on the cr10s does not work because the belt is too short and the bearing bumps with the aluminum profile

very fragile, breaks removing supports

I confirm that it work also for tronxy X3S

Appreciate the effort and design here, but my Creality CR-10 came with a metal one by design. That's what those two little M4s are for beside the idler pulley (bearing) on the end. The Y axis has the same thing. Easy to adjust belt tension out of the box on both belts. It's almost like they knew the all rubber belts would stretch over time...

this does not fit current CR-10 models that are shipping. The stock belt is too short for this and the x axis uses a different idler bearing that needs a much larger bolt and this will not fit. Don't print this if you have a newer CR-10

Do I need any additional hardware?

yes. you will need a bushing for the idler bearing to fit a smaller bolt and you'll need a slightly longer belt. this does not fit a stock CR-10. I have to a lot of custom modifications to make this work

My Cr-10 seems to have a much larger bolt holder the bearing than the one shown in the pircture.

Comments deleted.

does this require a longer belt? or can the existing belt be used? I'm interested in putting this on my S5.

I printed this and installed it but the belt touches the aluminum profile and wears out. I don't know if is my assembly error or print problem. Or if this is 'normal'

my belt did not run true until i noticed that the smaller of the arms that goes into the extrusion was not sitting flush due to it hitting the T nut.
a little trimming on the offending part made it sit nicely and the belt ran true. hope that is of some help to you?

I tested that. It kind of helped but did not solve the problem. I am continuing the old fashion way

Alright I printed everything off, but this isn't even close to functional. I'm guessin the CR10 has changed this part of the printer or something, because it has something like an M8 bolt through it and this tensioner uses something like an M5. You will have to buy new hardware to make this work, that includes a set of bearings and pulleys.

Yes you will need to use something other than the M8 bolt. You do not need new bearings or pulleys. You simply need a new "rod" (screw) to go through the existing bearing. I used an M3 screw and a printed bushing.

can u link the screw needed plz

m4 plus a bushing, which you can print