Re: Servo survey.

Wally:

The speed vs. torque and current vs. torque curves are both linear.
Therefore, two points on the curve are (0,0) (nearly, both curves)
and (14 rpm, 200 oz.in) for speed vs. torque, (10A vs. 200 oz.in.)
for current vs. torque.

Thanks for your assistance.

Ron

--- In CAD_CAM_EDM_DRO@egroups.com, "Wally K" <cnc4me@u...> wrote:
> If you have the curves for this motor give me about 4 points of
> torque verses rpm. 2 points on the 2 ends of the curve and 2
middle
> points.
>
> Wally K
>
>
>
> --- In CAD_CAM_EDM_DRO@egroups.com, r_fl_z@h... wrote:
> > The servos are ones being sold by Dan (Camtronics). They are
> Clifton
> > Precision C23-L55-W30 series. Published specs are: peak torque =
> 430
> > oz.in., continuous torque = 50 oz.in., terminal resistance = 3.8
> > ohms, peak current = 20 amp.
> >
> > They're advertised as 24V, however the data sheet shows them as
36V.
> >
> > I'm planning a 5/.2 ball screw and 1:1 drive.
> >
> > I was initially attracted to them because of the low cost and
> > advertised high torque. However, not being well versed in the
load
> > profile for servos, I am now concerned seeing the torque curve
max
> > out at 200 oz.in.
> >
> > Any and all input is appreciated.
> >
> > Ron
> >
> >
> >
> > --- In CAD_CAM_EDM_DRO@egroups.com, "Wally K" <cnc4me@u...> wrote:
> > > Ron, leave the specs of your servo. like torque, RPM, current,
> > > voltage, manufacture name, model number ect. This will help
> people
> > > figure out what you have.
> > >
> > > Wally K.
> > >
> > >
> > > --- In CAD_CAM_EDM_DRO@egroups.com, r_fl_z@h... wrote:
> > > > In an effort to ensure the correct choice of servos for my 3-
> axis
> > > > machine, I'd like to hear what motor sizes are being used for
> the
> > > > axis drives by list members who are using servos.
> > > >
> > > > Regards,
> > > > Ron