Re: mounting encoder with pulley

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Stephen Wille Padnos
<spadnos@s...> wrote:

> It's funny - I just found a reason to use an encoder divider

rather than

> a pulse multiplier. I hadn't been able to think of any real

advantage

> until now.
>
> The situation that prompted this is that I have a 1000 CPR encoder

on a

> 5000 RPM motor. To run it at "ideal" speed, it should be at 4000

RPM.

> That's 16M ppm or 266.66k pps, 20M ppm or 333.33k pps for full

speed.

> Since that's too fast for a Gecko, I can't get into the optimum

speed

> range for the servo.

If the motor voltage fits within a 30vdc 5 amp rating, the DeskCNC
SV-500 with firmware build 7 will run 70,000 sps in 1X mode (280,000
at the encoder).

Fred Smith - IMService