Re: [CAD_CAM_EDM_DRO] create a cut out vs pocket

thanks everyone! I have something like nc2cam and we are trying
Solidworks and HMSXpress from http://www.hsmworks.com/. Both have
"Contour" which looks like what I want! Chuck MErja

On 12/17/2012 8:48 PM, Jon Elson wrote:
>
> ebiz_59 wrote:
> > i have a part that is flat - say 0.25" thick and I want to cut a
> 1.75" x 1.5" double "D" shape out of the center of it. I can "pocket"
> it but that creates a whole bunch of chips that I don't really want or
> need to create. What do I call this cut out area instead of "pocket".
> The goal is to make a couple trips around the perimeter of the cut out
> area. THANKS!
> >
> Some people call this "trapanning". You make one (or multiple) passes
> just inside the
> final dimension, let the slug drop out, and then make a final pass to
> clean up the
> edges and bring it to final dimensions. I have some routines that do
> round holes
> and rectangular holes/slots, but these are specific purpose programs and
> don't
> handle arbitrary shapes like the double-D. Not knowing your CAD/CAM
> program, I don't know what they'd call it, but you can search for
> trepanning.
>
> Jon
>
>



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