So jazzcnc you sujest

Y axis: 2 X 2010 ballscrews 1500mm long with 2:1 gear
X axis: 1 x 2010 ballscrews 1000mm long with 2:1 gear
Z axis: 1 x 2005 ballscrews 350mm long with 2:1 gear

15mm HTD timing belts
Is that correct?
All three axis will be moved with 3 Yaskawa sigma II 400 watt ac servo motors