Re: [CAD_CAM_EDM_DRO] Handwheels again?!? was Re: true closed loop vs. hobby closed loop

Hi Ray:
Are you talking about the manual pulse generator to jog the axes, or are
you talking about actual handwheels bolted to the ballscrews.
The MPG is certainly indispensable for CNC operation, and is used exactly as
you describe, but actual discs with handles on the ballscrews is an utter
nuisance, and in the "real world" we always took them off as soon as we took
delivery of any machine that had them on.
Cheers

Marcus

----- Original Message -----
From: "Raymond Heckert" <jnr@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, March 09, 2004 6:04 PM
Subject: Re: [CAD_CAM_EDM_DRO] Handwheels again?!? was Re: true closed loop
vs. hobby closed loop


> As one who has operated a CNC machine in the 'real world', I can attest
to
> the need for handwheels. By far, the majority of jobs I've run require
the
> G92-ing of the workpiece from some feature on the part. Also, reworking or
> re-installing the part for subsequent operations is also sometimes
> required. It's so handy to use the handwheel to get to that reference
> point.
>
> RayHex
>
> ----------
> > From: ballendo <ballendo@...>
> >
> > Kevin,
> >
> > You have CNC. Why on earth would you need handles?!?
> >
> <snip>
>
>
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