Re: [CAD_CAM_EDM_DRO] Varispeed Motor Control

Other than using a variable frequency drive to control there
is no way for the control to know where that type of
mechanical speed changer is. There is no feed back to the
control. The best way to handle speed changes in this case
is to use a message to indicate the required speed and a
pause to wait for you to change the speed.
Darrell

----- Original Message -----
From: "Smoke" <Smoke@...>
To: <CAD_CAM_EDM_DRO@egroups.com>
Sent: Tuesday, October 24, 2000 10:53 AM
Subject: Re: [CAD_CAM_EDM_DRO] Varispeed Motor Control


> The machine must be set to highor low gear and then turned
on. The speed is then changed using a handwheel. I suspect
I'd have to put some sort of stepper motor attachment in
place of the hand wheel....leaving the hand wheel on also to
allow for manual use of the machine too.
>
>
> -----Original Message-----
> From: Darrell <dgehlsen@...>
> To: CAD_CAM_EDM_DRO@egroups.com
<CAD_CAM_EDM_DRO@egroups.com>
> Date: Tuesday, October 24, 2000 10:32 AM
> Subject: Re: [CAD_CAM_EDM_DRO] Varispeed Motor Control
>
>
> It would help to know how the motor speed is controlled
now.
> Darrell
>
> From: "Gordon Robertson" <Smoke@...>
>
>
> > Does anyone out there have any info on setting up an
> existing machine
> > which has a Varispeed 3HP motor so the motor speed can
be
> contolled
> > by the PC CAD/CAM programming? BTW....this machine is
> operated off 3
> > phase thru a phase converter.
> >
> > Smoke
> >
>
>
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