Re: [CAD_CAM_EDM_DRO] Re: SYNCRONIZATION

Jack C. Cain:
Thanks for your reply. I think I'll forget the two motor idea and do it the
simpler way, mechanical link.

Robert Williams

----- Original Message -----
From: "jcc3inc" <jccinc@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, July 09, 2002 7:41 AM
Subject: [CAD_CAM_EDM_DRO] Re: SYNCRONIZATION


> --- In CAD_CAM_EDM_DRO@y..., "res0clvs" <rob.will@v...> wrote:
> > Can someone tell me how to connect two GECKO's (320) so that two
> servo moters will run in sync?
> > Robert Williams
> > (Moreno Valley, CA)
> >
> >
> > [Non-text portions of this message have been removed]
>
> Dear Sir:
> Synchronization of master and slave motors is a bit of a job. We
> used to sync master and slave of gantry machines up to 16 feet wide.
> The circuit I used consisted of master and slave analog resolvers
> which were excited by a 1000~ square wave and demodulated to make a
> linear correction voltage up to +/- 10 VDC which was added to the
> speed command for the slave motor. Accuracy was quite good for that
> size machine (+/- .003"). The whole setup prob cost $300-600. A
> mechanical link would be a lot simpler if it is possible.
> I can provide synchronizer details if you wish.
> Jack C. Cain
>
>
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