Igor Chudov wrote: > My Bridgeport Series II Interact 2 CNC mill has a Z axis in the quill. > > http://igor.chudov.com/projects/Bridgeport-Series-II-Interact-2-CNC-Mill/ > > It has Z travel of only about 4.8 inches. Which is actually adequate > for most of what I do. > > But, the other nice thing that it has is air assisted knee. So the > knee is very easy to move if supported by air. And I started > wondering, what if I put a servo drive on the knee? Then I would have, > perhaps, 20 total inches of vertical travel and I could do big stuff, > bore or drill big holes, etc. Life would be much more fun. It would > not need to be fast. > There are people who use the knee for Z, and lock the quill. > So, my question is, does EMC2 support "two Z axes" and if so, what > sorts of EMC2 facilities would I need for this. Different kinematics? > etc > No, but there is the "W" axis, which is defined as a linear axis parallel to Z. You could position W to get the right "range", and still use the quill for Z.
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