Slight upgrades to the 3018

Well, it has been 6 months since the last update and 3 since the machine was last operational because apparently making a milling spindle is not an easy task even if you do have a lathe.

Ballscrews, mostly HGR20 rails and a new spindle on the machines, and its cutting steel better than ever. Y-axis rails upgrade some day.

https://youtu.be/_06wnkmTlcM?si=Of4VzJz9YjNMdgX7