We have a Qunitax CNC Router with a 8070 control and when we are cutting we seem to have what I would call a bounce in the axis. An example would be cutting in the YZ plane you can physically see the Y axis kind of chopping along. I am wondering it this is a drive tuning issue or what other suggestions others may have to fix this issue. Also who is the Fagor Service provider for Minnesota.

Thanks for the help.

Brian