Re: [CAD_CAM_EDM_DRO] anyone using jr-kerr servos

Dan Mauch at one time said he fooled with the PIC-SERVO's
and was dissapointed with the top speeds available. Hope
he will give us more info on that project.

Steve

----------
From: Carlos Guillermo <carlos@...>
To: CAD_CAM_EDM_DRO@egroups.com
Subject: RE: [CAD_CAM_EDM_DRO] anyone using jr-kerr servos
Date: Thursday, June 01, 2000 4:53 PM

Andrew -

I've thought about using the JRKerr setup. How's the smoothness and
following error with the step/dir input version? Also, what kind of speeds
can you get, and what's the limiting factor?

Thanks in advance,
Carlos Guillermo
VERVE Engineering & Design

> -----Original Message-----
> From: andrew abken [mailto:kn6za@...]
> Sent: Thursday, June 01, 2000 9:34 AM
> To: CAD_CAM_EDM_DRO@egroups.com
> Subject: [CAD_CAM_EDM_DRO] anyone using jr-kerr servos
>
>
>
>
>
> I have set up a three axis minimill with the jr-kerr stuff and
> drive them
> with the step/dir output on emc. Just looking for others who have worked
> with them and who wish to make a comment on their experience.
>
> My system went together well, and works nicely for my small machine. I
> don't think I would use them on anything larger than a minimill.
>
> Have you seen the machine controller program up on their web site? It
> works, but without backlash compensation its a bit useless. If I ever get
> more time I would like to work on that program and make it more usable,
> being that its open source.
>
>
> thanks,
> andrew

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