Clamp for fixating dual Z-axis rod
thingiverse
This is a clamp that encloses the pulley between two bearings (one in the z-rod assembly on the bottom and an extra 608 bearing on top). This prevents the secondary Z-axis rod from being pushed upward. This could happen if the extruder hits the bed or the printed part, or the the upward pressure becomes higher than the weight of the x-axis assembly. The clamp is designed to fit [this](https://www.aliexpress.com/item/4001282529376.html?spm=a2g0s.9042311.0.0.27424c4dkWo5kk) dual z-axis mod, which I like and is cheap. A standard 608 bearing is also required. I included the fusion 360 design file to enable you to modify to your own needs.
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