Hi !

edit **** could you please give me your thoughts about the design and parts ? ******

i'm a newbie and this will be my first machine, so i'll probably have misconceptions, don't hesitate to correct me if i m wrong...
i been dreaming of a cnc for several years, now it't s time to make this real !
i've seen the 6040 on ebay but it's too small for me, what i want is a y=1500mm x=700 mm and z=100mm.
this dimensions can be increased if a standard dimension xy or z bigger than mine exists.

this is a simple drawing of the design.
Attachment 184988

the y ballscrew will be under the table
the x ballscrew will be between the 2 x axis supported rails.

it's a supported rails on supported rails design...

do you thinks diameters are good ?

Y axis
2 X SBR20--1895MM 20mm Supported rail
4 X SBR20UU Block Bearing
1 X SFU2005--1500MM --C7 Ball Screw
1 X SFU2005 20mm Ball Nut with end mechined
1 X BK15+BF15 End Support
1 X 6.35*10 MM Stepper Coupler

X axis
2 X SBR20--900MM 20mm Supported rail
4 X SBR20UU Block Bearing
1 X SFU2005--700MM --C7 Ball Screw
1 X SFU2005 20mm Ball Nut with end mechined
1 X BK15+BF15 End Support
1 X 6.35*10 MM Stepper Coupler

Z axis
4x SK16 Single shaft support
2x SC16UU pillow block
2x 250mm 16mm round linear rail
1 X SFU1605--250MM --C7 Ball Screw
1 X rm1605 250mm Ball Nut with end mechined
1x BK12 End Support
1x BF12 End Support
1x 6.35*10mm stepper coupler

3 Axis Nema 23 Stepper Motor 287oz/in
control box + powersupply.

spindle will be replaced by my festool router 1010watts

thanks for your comments.
P-A