Hi,
Im new here, from Austria and currently planning to "massively" upgrade my cnc-router.
The base will be arround 110x75x10cm with U shaped cutout on the front for the 4th-axis

Currently i have a ground ballscrew 2510 in the center with 1:1 belt drive (limited space) with jmc 400W Servo (3k rpm nominal)

I want to upgrade to two screws (left and right with slave axis) with ground C5 screws from TBI
Unfortunately, space, weight and noise is a concern. (Flat)
Rpm and torque wise it would make more sense to go 5mm pitch (24mm dia) and maybe direct drive.

Im now thinking about the pros and cons of 5mm vs 10mm pitch and direct and belt.
Does anybody have experience when it comes to sound/vibration when changing from 10 to 5 and also from belt to direct?

I have limited tools and will/want to cast the epoxy directly on a~20mm facemilled aluminiumplate

I can add a 3D preview later if its too unclear how its supposed to look.

Greetings and thanks in advance,
Max