4w ago

Ender 3 v3 se y axis bearings loose in carrier.

I picked this printer up with a bunch of filament for $60. The build plate was really loose so I took it apart and found that the bearings are loose within the plastic part. Not really sure what to do here. I might epoxy the bearings in place. I saw that there is a y axis linear rail upgrade for $40 but that seems like a waste of money.

9 comments

When fixing a 3D printer always go for the proper solution right away, because you will eventually get tired of the wonky half-assed solution you've spent hours or days getting to perform properly and just go for the proper solution anyway. Save yourself the frustration, time, and wasted filament in failed prints and do it right the first time.
- Ok, adding to this I know ten days later: a janky fix that works now becomes a time bomb to troubleshoot later.
Buy the upgrade. It will make you much happier in the end.
Epoxy isn't cheap, unless you have it on-hand already or buy in-bulk. So you can burn ten-or-so-dollars on an epoxy fix that might or might not work as desired, or $40 on an upgrade that should.
That said, are you sure the printer is otherwise in good working order? Have you tried shimming that bearing and running a test print?
- Simply let someone reprint that part for you in ASA/ABS?
  
  Resin isn't that cheap either. Then there's shipping. That said, if shimming works for test-prints, it may work for this. Personally, I can't believe there's not a wedge-centering end-cap or set-screws for dialing in the centering of the bearing just-so, but I'm no expert on this printer.
Try to somehow fix it in place, shim it for example. See if that works for now. When you got the printer printing at least a little, print a replacement part.

9 comments