Why ballnuts are really good - CNCzone.com-The Largest Machinist Community on the net!

svenakela · #1 03-13-2009, 04:55 AM

I mounted a rotating ballnut last night. The gantry is about 75-80 kg in weight and by pushing it by hand the nut starts to rotate by itself. I like low friction stuff.

YouTube - 20090313005

LeeWay · #2 03-13-2009, 05:15 AM

Yep. I'm sold on them myself.
Nice design. No whipping on that screw either. Should prove to be very smooth in operation.

epineh · #3 03-13-2009, 05:19 AM

I know what you mean, I just got hold of some ballscrews after building a threaded rod machine, nothing like 'em

Real linear rails are sweet as well after using skate bearings !

Russell.

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