Stepper vs Servo ( was Re: Stepper motor speeds

Hi Tim,

I had thought Servo's had all you said, but that they were a LOT
harder to implement.

There is an interesting link here :
http://www.timgoldstein.com/cad_cam/servotopten.htm

top of the page


Dave

--- In CAD_CAM_EDM_DRO@y..., "Tim Goldstein" <timg@k...> wrote:
> Much better performance (faster rapids, higher acceleration) and
likely
> less cost. Servo motors do not need to be as large as steppers
because
> they do not have the same torque drop off. They also can put out
very
> high peak torque for short bursts. When you combine that with large
> servo motors frequently being less money than large steppers it
becomes
> an easy decision. Less money, more performance.
>
>
> Tim
> [Denver CO]
>
> > -----Original Message-----
> >
> >
> > Tim,
> > I presently have no $ invested in any equipment other
> > than the mill. Why would the servo/G320 scenario be better for me.
> >
> > Marv Frankel
> >