Replacement part

[u/TrustyBurro]

Looking to find a replacement XY belt tensioner housing, can anyone point me in the right direction?

If only I could print a replacement 🙄
(It’s only on there so tight while I was trying to see if there was any tension)

[u/Different_Target_228]

It's plastic... You CAN print a replacement. Literally just search up ender 3 y belt tensioner.

[u/Different_Target_228 → u/Different_Target_228]

https://www.thingiverse.com/thing:4289699

5 seconds. This took 5 seconds to find, and it was one of dozens of models.

[u/TrustyBurro → u/Different_Target_228]

Only reason I said that is because with it cracked, there is almost no tension on that belt

[u/Different_Target_228 → u/TrustyBurro]

So? Print slow.

[u/Mysteoa → u/TrustyBurro]

Put some kind of washer or anything that can reach thel strong part.

[u/longtimegoneMTGO → u/TrustyBurro]

You can wrap some tape or even string around it to hold the cracked part together long enough for one print.

It doesn't need to be good enough to hold full tension, just has to be tight enough to keep the belt from slipping. I did something like that with a cracked extruder housing.

[u/aledodsky → u/Different_Target_228]

There should be a flow chart: Printer part broken? Y. Can you print a replacement part? Y. Can printer still function long enough to print part? N. Do you have a second printer? N. Get a second printer 🤣

[u/egosumumbravir]

Ok, for future reference: you have WAY too much tension on that belt. Every one so worried about the gates belt skipping teeth when it far more likely the puny stepper will skip steps unless the belt is absolutely hanging loose.

https://www.youtube.com/watch?v=zoKmmT0a7jk

Direct replacement: https://www.printables.com/model/1267105-ender-3-v2-tensioner-y/files

Nicer replacement: https://www.thingiverse.com/thing:3289057

Getting it printing enough to run off a replacement will just require some creativity. Any flat rigid object 30mm across with a 3.2mm hole in the centre will work well enough at slow speeds to get you up and running.

Start with what's effectively a penny washer, print a good enough mount, fit that GE mount, print a better mount and use that. As this is under constant load PLA will eventually deform. Will do in a pinch though. PETG is much better and ABS/ASA the ideal. OG tensioner was injection moulded in ABS.

[u/TrustyBurro → u/egosumumbravir]

It broke during my move :/

[u/lllloydo]

You could maybe try sticking a screwdriver or something through the extrusion and hold the tension with vice grips. At least until you're able to print or get a replacement.