Best Linear rail mounting set up

[j2sip]

Don't worry 36Kg isn't heavy at all for a gantry and those motors will move it no problem. If the screw is 8 turns per inch The lead of the screw is 3.175mm but you have 4 starts so that is 3.175 x 4 =12.7mm or 1/2" pitch. This is a nice pitch for a wood router and will give rapids in the region of 10Mtr/min. (390in/min) or above.
You'll rarely cut at this speed so will have more than enough torque when cutting.

Haha looks like I messed up the conversion. My old cnc moves that fast but with 2 gantry motors and a lightweight gantry. This http://www.elab.ph/forum/index.php?topic=35151.100. Sorry mostly in our language. Cheap used linear rails started popping out in the local market so I thought of another upgrade. Well, thank you so much for your input. I'll post pictures as soon as I commence building again.

Jordan