Re: I'm curious

--- In CAD_CAM_EDM_DRO@yahoogroups.com, <yahoo@h...> wrote:

> Why don't I see more CNC guys putting together drive system from major
> manufacturers.
> I've been watching this group for the last month and looking in the

archives

> it seems like this hobby is stuck in the late 70's.

I think that is a bit too far back.

when I started, a single axis driver was about $750.00 and motors were
around $500.00

and if I wanted more power than a NEMA23, I had to spend much more $$

I am curious about some of the stuff you posted. Is is complete and
ready to connect ? or are there special software requriemetns ? or
special cables or what not ?

> I've looked at these "Gecko" type drivers they sell to drive Bi/Uni

polar

> motors at best half step for $150 and up, and all this is purely amateur
> hour stuff.

IF you read up on stepper motors, there is a size were it cannot get
out of it's own way. That is why you don'e see NEMA1060's the power to
overcome the magnets would consume half of the power you put into it.

The Gecko's take advantage of the sweet spot, where motors are easily
available and of good power.

As for the bi/uni argument, I don't think that is all that important,
I'd rather have a microstepping drive than care what style. but
there is a flip side to the e-bay thing.

just what do you think those guys are replacing that stuff with ?

Gecko's !

But, thanks for the wake-up call. I don't agree with all of your
stuff, but I think many of us have been lulled into ease and
simplicity where we could save a few bux and get out of the box.

Dave

:)