Re: machine rethink

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<dave_mucha@...> wrote:

>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "krashking405"
> <krashking405@> wrote:
> >
> > I've decided to change from making a machine that would handle

parts

> > up to 12" square down to something that will handle max sized

part of

> > about 4" square. My steppers are rated at 24V, other than speed,

why

> > wouldn't I be able to run these at 12v?
> >
>
> The question is not IF you can. but what is gained or lost ?
>
> If you check out MPJA, they have some nice NEMA23, double stack

pretty

> cheap.
>
> What do you want to do with the machine ? speed is not all that
> important on a small machine, but power is. if you use pulleys,

you

> can get more delivered power on the screw. Also, on that size

machine,

> a 1/4-28 stainless screw from McMaster will be less than $5.00 I
> think. more TPI means even more delivered power.
>
> Dave
>

That leadscrew sounds good, but my budget is so small that buying
any motors is most likely going to be out of the question. I'm
planning on building my own controller, have one I'm looking at that
should cost me about $30 in material and parts.