Mendel Prusa Z clamp
by infodude, published
Takes the weight of the Z-axis instead of the couplings
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Use in place of the bar clamps that clamp the Z-axis smooth rods to the bottom centre rod. Pop a 608 bearing into the cup. Use the end caps on the z threaded bar. Especially handy if you use the alloy flexible couplings, which shouldn't be taking much weight. Even more useful if you happen to have a stonking great X-axis motor which weighs a ton.
The scad code's a mess... quick lash-up job, probably won't scale very well so reluctant to call it parametric until I tidy it up, but for the standard iteration II Prusa it's fine.
Enlarged the cup hole so the threaded rod end stops don't grind in there.