RE: [CAD_CAM_EDM_DRO] Perplexing problem with EMC BDI

Jon,

Backlash is set to 0.000 IIRC, I will check it tonight when I get home and
let you know.

John Guenther

> -----Original Message-----
> From: elson [mailto:elson]On Behalf Of Jon Elson
> Sent: Wednesday, October 03, 2001 2:29 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] Perplexing problem with EMC BDI
>
>
> jguenther@... wrote:
>
> > I have the following problem with EMC, the BDI version. The scenario
> > is this, system up and running, estop off, machine on, all axis homed
> > and set to 0.0000. Enter the command g0 x0 and the X axis will move
> > to -0.0077. If you enter the command g0 x1 the X axis will move to
> > 0.9923, g0 x2 will get you 1.9923 of movement. Entering the command
> > g0 x0 will send the X axis to -0.0077. Go to manual mode, home the
> > axis to 0 and repeat the above commands with the same results. It
> > also happens if you use g1 instead of g0. This does NOT happen on
> > any other axis. Any suggestions would be greatly appreciated.
>
> First, I'll bet you have X backlash set to -.0077 user units. I
> don't think
> a
> MINUS backlash setting has any valid meaning. Also, I think
> you are showing absolute machine position rather than relative
> (workpiece coordinate) position.
>
> Check your ini file for the first BACKLASH = line, and see what is there.
>
> Jon
>
>
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