Re: 400 lbs cnc gantry for nema34 6 num
Originally Posted by
enzoforum
I do not care that it is a bit slow ..
You should think about this carefully. You have to see if the speed that it will deliver is acceptable. If speed isn't an issue at all, then any motor can be geared down enough to move any size of gantry. But life is short, the next project is waiting, and your cutters should move through the material at a certain minimum speed or else they will wear prematurely.
Put another way : you are building a strong steel frame for rigidity, but if the speed is slow, the forces go down, so you might as well build a lighter machine.
Paul Rowntree
Vectric Gadgets, WarpDriver, StandingWave and Topo available at PaulRowntree.weebly.com