Re: Geckos. 201 or 210?

Hi Guys,

Could you change the subject line please ?

That Last thread of 'afforadable ball screws'
got way too long to and too off the subject to
repeat.

TIA

Dave

--- In CAD_CAM_EDM_DRO@y..., "John" <johnhe-uk@s...> wrote:
> > You should be able to salvage the power supply, but it may not be
in the
> right range
> > for a Gecko or other bipolar drive to perform at its best.
Unipolar R-L
> drives
> > generally used the absolute minimum voltage possible to reduce
the heat
> produced
> > by the big power resistors.
>
> Thanks,
>
> Why do servos run on encoders mounted in the belt or rotor
instead of
> always using something like a capacitive strip on the ways? That's
totally
> limited backlashing down to the accuracy the strip could be read. I
mean,
> the encoder gives the position of the rotor but not the table. Does
it
> create problems with the machine trying to find the right spot for
the table
> to be in? Or is it just more expensive? : )
>
> Regards,
> John