Adding a second Z lead screw to the Longer LK4 X 3D Printer
Channel: Where Nerdy is Cool!
Date: 2023-11-23

This time I am adding a second z axis lead screw to my Longer LK4 X 3D printer.  It comes with a single z lead screw but the other side has a significant wobble, despite the eccentric adjustment on the v-slot wheel being snug.  For some reason, on that side, not all of the wheels make good contact to hold it secure.  As a result, prints struggle to come out acceptable.

After doing a little research, I learned that others with this machine have use dual z upgrade kits that work for CR-10s and Ender type 3D printers.  One problem became apparent - the new leadscrew bracket would not align with the Longer front bracket.  Now one option would be to elongate the affected and call it completed!  I took the long path, making a new front bracket to align with the rear!  And, more issues, the holes to attach the front bracket to the 2020 rail are different!

As you will see in the video, it took some work and you can see the results with the 3D prints being shown!

* LINKS*

HICTOP Dual Lead Screw Kit I used - https://amzn.to/3uyRYpE


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