All of the axis on my machine are driven with a 4:1 reduction with 3/4" timing pulleys. The X and Y axis are .250 pitch ball-screws, and the Z axis id a .200 pitch stock ACME screw.
Here are a few more pictures of my z axis setup.
Adam
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www.adambrunette.com - Converting My Harbor Freight X2 And My Jet Jvm-830 Knee Mill, As well as many other projects. |