[crimar]

Hello!

I wanna build a cnc machine with aluminum extrusions, but i need some help.

I understand how i mount the extrusions together, but i need some tips how mount the stepper drivers and ballscrews!

Anyone with some good tips or guide?

[awerby]

You need to make some plates to mount the motors (which is what I'm assuming you're talking about - mounting the drivers just takes screwing them down to a heatsink). The plates mount to the extrusions using the special hardware that comes with them. The screws typically mount to the motors directly, using couplers like the Oldham type; you need to use them or any slight misalignment will break off the motor shafts. The far ends of the screws need to be constrained, but not too tightly - essentially they need to float to account for heat expansion.