Homebrew PCBs

Joe,
I use 30 IPM and 30,000 rpm
No bother either as I am glad to give back to the system that has 
given me so much.


Art
Country Bubba


At 11:01 AM 12/13/2012, you wrote:
>Hello Art,
>
>Another quick question, What feed rate did you use?
>
>Thanks and Sorry for the bother,
>Joe
>
>On Thu, Dec 13, 2012 at 10:37 AM, joe M <joe9mail@...> wrote:
>
> > Hello Art,
> >
> > Thanks for your advice.
> >
> > How did you end up using the 30 degree V-bit? Have you tried the other
> > v-bits such as 45, 60 and 90? I am trying to understand how you went about
> > the process. Whether you bought all the v-bits and just tried them all to
> > figure out which one was best or if you were recommended that particular
> > v-bit by someone.
> >
> > About the CEM board, I read that it is easier on the drill and mill bits.
> > But, I also read that it emits a weird smell when being cut. Did you notice
> > something like that? BTW, do you know if the fumes from cutting the CEM
> > boards are carcinogenic? I have been told this "there are a zillion
> > carcinogenic phenolic compounds...pentachlorophenol for example." Just
> > curious, if you gave this any thought.
> >
> > Thanks again,
> > Joe
> >
> >
> >
> >
> > On Thu, Dec 13, 2012 at 9:25 AM, Art Eckstein <
> > art.eckstein@...> wrote:
> >