RE: [CAD_CAM_EDM_DRO] RE: Cam track help!

> -----Original Message-----
> From: Dan Statman [mailto:dan.statman@...]
> Sent: Wednesday, August 21, 2002 20:29
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] RE: Cam track help!
>
>
> Depends on how much resolution for the curve you want, but at the
> sacrifice
> of many more starts and stops if you do not have constant velocity
> contouring. The reason it behaves oddly at the peaks is because you are
> doing a tiny linear move coupled with a 1 degree angular move and the
> feedrate does not know what to do. For the code I supplied Mark
> William's,
> I calculate a specific feedrate for each step increment so that it cuts
> smoothly.
>
> Would you like a copy of my spreadsheet?
>
> Daniel J. Statman, Statman Designs
> www.statmandesigns.com
>
>
> ----- Original Message -----
> From: "John Guenther" <j.guenther@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Wednesday, August 21, 2002 6:32 PM
> Subject: RE: [CAD_CAM_EDM_DRO] RE: Cam track help!
>
>
> > Dan,
> >
> > Ok, thanks that helps. Would there be anything gained by
> recalculating it
> > at 0.5 degree or smaller increments instead of the 1 degree
> increments? I
> > suppose I could do that and run it on the mill just to see how it acts.
> > When I ran the original gcode I produced it acted a little
> strange at the
> > peaks but seemed fine other wise.
> >
> > john
> >
>
>
>
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