Setting up the 4th axis to cut vertically (spinning in z axis)

[ninelivesracing]

afternoon everyone, 

I'm trying to set up a rotary table to spin in the Z-axis. This will allow me to make larger round parts with higher accuracy on my CNC mill. For the life of me, I can't get the tool to behave as it keeps changing the tooling to cut the outside edge like the rotary is set up on the X or y axis. 

Please help.

[seth.madore]

Could you share a file that would give us a better idea of what you're running into?
File > Export > Save to local folder, return to thread and attach the .f3d file in your reply

Also, could you help me understand how you have the 4th axis setup in your machine?

[ninelivesracing]

Ok got it saved. Now my mill is a 11x18", and id like to put this part on a rotary table that spins on the z-axis. This will allow me to cut without runout and be perfectly cylindrical.  Right now, when i select the rotary tool the program moves my machine to the X axis and it's cutting around the y 

[seth.madore]

The Rotary toolpath is designed for for round(ish) surfaces that are perpindicular to the tool axis, which is why it's sending the tool into the side.

If you're looking to mill those slots and use the rotary to position the part (increasing your overall capacity), you will need to use 2D Contour, Trace, Pocket etc. Moreover, you're going to need to edit your post processor to recognize that the 4th axis is mounted vertically, essentially a C axis.

[ninelivesracing]

How do i make those changes?

[ninelivesracing]

OK made some tremendous headway. I Figured out (with the help of NYC CNC)  how to have the 4th access turn for pocketing and drilling. This way I can reach areas that would be outside the normal work window.
 
That will help a lot. NOW the last thing I need to figure out is how to make the 4th access Turn while keeping the tool stationary. Essentially "wrapping" the profile so I can cut a perfect circle. 

[ninelivesracing]

bump

[CNC_Lee]

@ninelivesracing 

As Seth has mentioned, this post will need to be edited and configured properly to achieve the correct output required. If you are not comfortable making these edits, there are professionals who can edit the post to fit your needs!