Re: linear velocity from encoder
Posted by
Jon Elson
on 2000-11-29 22:01:39 UTC
Mariss Freimanis wrote:
outputs for the CNC control, you may have finally put the nail in the
coffin of my DC tachs! Of course, we need some encoders that have
the linear outputs. I happen to have some HP specials (QEDS-7163)
that have linear outputs in addition to the digital. They have sleeve
bearings and low resolution, though, and are made for panel knobs,
not machine position feedback.
Certainly a great idea! You really don't need to show me, as soon as
you mentioned it, I knew about how you did it!
Jon
> --- In CAD_CAM_EDM_DRO@egroups.com, Jon Elson <jmelson@a...> wrote:Well, if you can set up a gizmo to do this and produce digital encoder
> >
> > HMMMMM! Now, that's an interesting thought! Wow! A derived tach
> with
> > more bandwidth than the encoder!
> >
> > Jon
>
> Hi,
>
> None the less, there it is. The laser spot on the wall smoothly
> progressing with nary a jiggle or step at 0.1 degrees per minute.
> Bounced from a mirror on a motor mounted with a 100 line encoder. I
> can show you how I did it.
outputs for the CNC control, you may have finally put the nail in the
coffin of my DC tachs! Of course, we need some encoders that have
the linear outputs. I happen to have some HP specials (QEDS-7163)
that have linear outputs in addition to the digital. They have sleeve
bearings and low resolution, though, and are made for panel knobs,
not machine position feedback.
Certainly a great idea! You really don't need to show me, as soon as
you mentioned it, I knew about how you did it!
Jon