Wobbless X Mounts for MakerGear Prusa
by odudex, published
Tired of trying to align Z threaded rods and get rid of wobble I created X mounts that absorbs XY movements that Z threaded rods cause when not perfectly aligned. The absorbing structures use same principle of some lunar rover wheels. The structure uses ABS flexibility as absorber.
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I had tried using the springs before on my mendel, and they kept binding to the threaded rods, if they had some sort of sheath it would probably be fine though, or if the spring wire is thick enough.
You can try that, but I recommend to use the 2 nuts per rod with spring between system. About spring, I can assure you there is no sign of fatigue(white spots) on my springs. I printed them with a 0.35mm nozzle, and with this thickness the spring printed with 2 layer wall. For a bigger nozzle I would thicken proportionally. But thickening will reduce flexibility. You can also play different spring lengths and check the results.
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The part I printed got a little bit fragile, I have to do some improvements but works great!
If you are having difficulties on slicing it try yo rotate the part.
I also have to check out if the "ABS spring" won't break due to fatigue after a lot of prints.
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