Thanks so much for your support.
For anyone else wondering I've been discussing a new Z-axis with CarveOne and he's graciously agreed to allow me to model my design on his and answer questions about how he did it.
My goal is to try and use as many "stock" parts as possible as I have neither the tools nor experience using them that CarveOne has. I'm planning to use Rockler MultiTrack as both the spine / column and the slide of the Z axis.
Sketch of my plans - MultiTrack
You can get bearing plates from cncrouterparts.com and you don't need to use the lead screw adapters that I machined for my design. There is also a drawing on Ahren's site that has become a reference for many other builds. You can make these things as complicated or as simple as you wish to. My Z axis is very similar to one that buick455 did back when Ahren first came out with his bearing carriages. It made sense to me and functions as I wanted mine to be. I just used lower cost steel angle and 1" x 2" steel box tube instead of 8020 extrusion.
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