Okay John,

What gives? That is unsupported round rail on the Y axis (also Z but so short travel that it does not really matter) that is covered by a plate in front and a sheet metal stamping in the back. It is running the 1.5Kw water cooled spindle which from what I know of your work would have to be upgraded to something bigger then a ER11 collet. I can not tell what the X axis is but from their info is most likely unsupported round rail or bearings running on milled surface of some sort as I seriously doubt to find precession rails on this machine.

Just my two cents and observation of the machine from pictures.

Michael