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Z-axis anti backlash for Prusa i3

by Tech2C, published

Z-axis anti backlash for Prusa i3 by Tech2C Feb 23, 2015

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Summary

To eliminate any backlash that may occur with a single M5 nut on the z-axis threaded rod, simply install 2 nuts separated by a spring.

Place this object over them and slot it in the nut trap of the x-axis motor mount and x-axis idler.

http://youtu.be/J5W2-83pPvM

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Fantastic. will try these

this isnt true anti back lash for 2 reasons . The interaction with the machine only takes place on one plane and the secondary nut isnt free to tensioned by the spring

Seems promising, and a simplified design too, I like it very much, thank you.

This is EXACTLY what i was looking for - took me a couple of month to find out that i experienced z-wall artifacts on my i3 due to a very small play in the right m5 z rod nut, respectively play of the nut inside the nut trap.

I will try that mod to get ride of both (will glue the anti-backlash device on the nut trap).

Thank you!

How did that work out for you xxexx?

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