Easy and efficient Z-axis anti backlash for Prusa i3
thingiverse
This part eliminates any backlash that may occur on your Z-axis. Adjust the load according to your needs by changing the distance between the two nuts. This is a must-have if you are using a lightweight extruder like a Bowden extruder. Required parts (for each side) include one M5 Nut and one Compression Spring. My compression spring is 20mm x 9mm in size, and I compress it to 15mm, but that will depend on your spring strength. The step model is provided, so feel free to modify this to suit your spring needs. Simply install the spring on your threaded rod and add this part with the M5 nut at the top. Adjust the distance between this part and your x-axis motor mount/x-axis idler to adjust the load. Designed by Grobatar and me.
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