Re: Torch Table

Good idea on the sawtooth slats! I think just some simple slat holders across the bottom of our table with cuts in them should work to keep the slats from moving around.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Roland Jollivet <Roland.Jollivet@...> wrote:
>
> Don't make your slats flat. This increases the chance of welding the work to
> the slats when cutting. Most of the slats i've seen on laser tables are
> sawtooth shaped. Here's a pic of some copper slats to get an idea;
>
> http://www.fedtech.com/images/Copper_Slats_-_PR.jpg
>
> Or maybe make them saw tooth on one side, and flat on the other, reversable.
>
> Regards
> Roland
>
>
>
> 2009/4/29 roboticscnc <gsm42@...>
>
> >
> >
> > How are you supporting the slats ? My first plasma table was similar to
> > this and the slats could wobble a bit, being only supported at each end
> > (They were made of 75 x 3mm flat bar). If the metal being cut was
> > bumped, or the torch touched it, all accuracy was lost. It would help to
> > put another support through the middle at 90 degrees if this happens.
> > I used a Thermal Dynamics Cutmaster 101 and it worked well - cheaper
> > than Hypertherm. Use a Pilot Arc Plasma Cutter - which ever brand you
> > choose. ( Less electrical noise )
> > Regards,
> > Glen.
> > --- In CAD_CAM_EDM_DRO@yahoogroups.com <CAD_CAM_EDM_DRO%40yahoogroups.com>,
> > "jeremymaso" <jeremymaso@>
> > wrote:
> >
> > >
> > > Hi, we're working on a torch table design and are looking for some
> > feedback on it. We have some pictures of the latest design on the top
> > right side of the project page, and the bill of materials is near the
> > bottom: http://openfarmtech.org/index.php?title=Torch_table
> > >
> > > We still need to source a torch for it, any recommendations?
> > >
> > > Thanks for any feedback!
> > >
> >
> >
> >
>
>
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>