Re: [CAD_CAM_EDM_DRO] Z-Axis CNC Control of Grizzly Minimill

In a message dated 6/13/01 9:27:59 PM Mountain Daylight Time,
brucen@... writes:

<< Why can't you
just hook the stepper motor up to the original quill handle shaft
with a timing belt like the X and Y axes? >>

I think if you go and wiggle the quill handle, you will find your answer
rather quickly, there is a spur gear on the handle and a rack on the quill,
and there is simply too much backlash for accurate work. This is my opinion,
others will comment I am sure.
bill