I have printed yesterday a threaded rod with a diameter of 30 mm and today some parts with larger holes (> 20mm). I noticed that the threaded rod is not quite round and also the holes are not really round.
Habr you also had this before?
I have drawn the parts with Fusion 360 and sliced with Luban.
Search can be your friend.
Anyone else have issues with circular errors?
I’m going over my machine to try and get it to the level of engineering prototypes.
Im a Mechanical Engineer by trade and just like precision.
Example if i currently print a high res stl with a 20mm Dia cylinder
It get a measured output of
For a tolerance delta of 0.32mm
I fear this is why i am failing some print in place tolerance tests.
Any one have ideas. Dimensionally accuracy for X and Y direction prints i ha…
Basically you really need to dial in your stepping.
Bookmark this you will need it.
I had same issue. Replaced one of the linear motors, and everything was round again. I think I had too much backlash in the rail, was getting worn out.
I had alot of rounds of this, its likely from oen or more of your linear modules being sloppy/loose.
Theres a few threads from awhile back going into detail.
I found one of them,
Loose Linear Module w/ Workaround Attempt