Mill Quill DRO Mount--Slim/minimal Install

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Xyzzz

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I wanted a U axis for the quill. This allows me to have a separate Z and U, or a combined Z/U. I have pretty much been using Z and U independently.

I also wanted it to be a minimal install, and did not want it to substantially degrade the existing operations, like setting quit stops, and allowing access to the nuts to allow quill rotation.
 
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Notice the small channel in the 7075 angle piece; this is made to accept the magnetic scale. It will be attached with PSA.
 
As dodgy as this looks, it worked very well. I milled a piece of MDF to fit the existing Mill lands and then put drill bushings for the tap drill. Drilled the 4 holes and got a nice set of mounting holes, right where I wanted them. I modeled this portion of the head in CAD to figure out the drill bushing guide and hole locations.
 
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