Re: sizing question

Jon,
thanks... I am going to TRY to refit a CNC with a bad control, and I
shouldn't need all the power, as it won't be industrial.. but I did
want to know if I would just "blow up" geckos

jeffe

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
>
>
> jlsmith269 wrote:
>
> >okay... I know geckos can drive goodly sized servos, BUT
> >
> >what if, for instance, you want to drive a 1.5hp dc servo, that may
> >very well be -48v or 110v dc, at 10 amps?
> >
> >(this is a generic retro fit question, btw, for a cnc machine, not
BP)
> >
> >I am wondering what we would do for these larger machines... that
have
> >a large amp requirement.
> >
> >Can the geckos handle this much juice?
> >
> >
> The Gecko 320 and 340 can deliver up to 20 A, but only at 80 V.
> Above that voltage, you need the Rutex or other drive. But, running
> at 80 V, all you lose is top speed. That may not be a problem in
your
> particular application. You have to calculate out the torque and
> speed parameters of the particular motor, and combine it with the
> mechanical setup (leadscrew pitch and drive ratio, if any) to figure
> out whether you will get the required performance or not.
>
> Jon