Here is a problem i am having w/z axes i think it may be in settings in mach i cut all my 2d files perfect small 3d files ok but larger 3d files w/ alot of z axes movement starts to lift z about 1/3 to1/2 way into work. does not do this all the time. i have changed controllers to geko 203s because they were to hot now ok i am running @ about 100ipm. any replies will be appreciated.