justingray wrote:I'm not sure this simplifies things at all, but could you mount the nut blocks for the z axis onto some kind of small linear bearing oriented horizontally. Any small wobbles would be sopped up by the bearing in that case.
Of course, I've just started my hadron build and am totally new to the whole 3-d printing thing. So I don't really know what what a small linear bearing like that would look like.
Medel wrote:The problem with this idea is that if the rod/screw isn't straight, then the distance traveled per rotation isn't always directly in the Z. Since you're eliminating the X and Y components of that movement, you leave the Z moving in a non-linear fashion.
fma wrote:Medel wrote:The problem with this idea is that if the rod/screw isn't straight, then the distance traveled per rotation isn't always directly in the Z. Since you're eliminating the X and Y components of that movement, you leave the Z moving in a non-linear fashion.
What will be the error, then? Is it really a problem when printing things, say, at 0.1mm layer height?
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