Line Shifts During Printing

Ender Series Creality Ender-3 Max & Pro & Neo
1

I have a Ender 3 Pro. It used to work flawlessly. I recently just moved it into an enclosure and that’s when I notice shifts in prints or a single piece of it or a support being knocked. Only a support would be hit, or one object was shifted. Though the other objects in that same height would look off. I thought maybe something was binding or getting hot so I did the following.:

  • Cleaned and lubed the z axis screw
  • Upgraded to a 60x60x10 fan with a shroud pointed out the front of the printer.
  • Ensured brass nut isn’t bolted tight
  • Belts are tight but not guitar string tight.
  • Gears on steppers are pressed on.
  • Printed with enclosure open still had issue (identical extruding temps as I normally run)
  • Zaxis turned by hand doesn’t seem to stick or have hard spots to move by

I did notice 1 wheel on the x gantry free spins so I need to fix that for sure. Right now I am running the enclosure open test but with the extrusion temperature 10deg lower. So far it has gone further then anything without impact. Can the extrusion temperature make that much of a difference? Anything else I should look into?

Getting a bit frustrated at this point.

Thank you

2

Why are you running in a enclosure for printing ABS or ASA?
The overall temperature increase can probably cause the nozzle to bump into previous layers and cause a layer shift. For printing PLA best to keep the enclosure open…

3

I got it to keep drafts from warping my prints off the bed. The physical places I can put the printer get hit by the house AC/heat.

This last test I did last night worked well with the doors open and heat down on the hot end. With the doors just open I still saw the issue.