Homebrew PCBs

Hi Alan,
        The board I am using costs $2 for a 4" X 6".  I suspect
there is a better board out there. The board I use is a light
brown color.

                                      John 



--- In Homebrew_PCBs@y..., Alan Marconett KM6VV <KM6VV@a...> wrote:
> Hi John,
> 
> I guess I'll have to do that.  I've used cardboard baffles to keep 
brass
> and aluminum dust/chips down, they normally just collect beside the 
mill
> in the tray the mill sits in.  I got a STACK of dust (and some blew
> around) from a PCB the size of a QUARTER!
> 
> What do you think of Phenolic board?  Can you use it?  MUCH 
cleaner, and
> nicer on endmills!
> 
> I'm also thinking I might set up a small "hand vacuum" to keep THIS 
dust
> down.
> 
> Alan  KM6VV
> 
> 
> crankorgan wrote:
> > 
> > Hi Alan,
> >         I put a wall of masking tape around the edge of the
> > PVC bed. This keeps the dust from vibrating off the bed into
> > the leadscrews. Since I went back to 16,000 RPMs the dust
> > is not so bad. The best fix is to put 5 drops of motor oil
> > on the board. Spread it around with your fingers. This will
> > cut down most of the dust. Then wash the board with dawn
> > dish detergent.  If you think that dust is bad,try sanding,
> > cutting and shaping MDF wood. Then some PVC! I have it
> > everywhere!
> > 
> >                                 John
> > 
> > --- In Homebrew_PCBs@y..., Alan Marconett KM6VV <KM6VV@a...> 
wrote:
> > > Hi Listies,
> > >
> > > I had the opportunity to mill some more PCB material this last
> > weekend.
> > > Phenolic and G10 Gass Epoxy.  Boy does the G10 make nasty dust!
> > John,
> > > how can you stand it!  I had been cutting up scrap phenolic for
> > testing,
> > > but ran out.
> > >
> > > And I think I just discovered something, if phenolic board is OK
> > for the
> > > circuits you want to do, the cutters PROBABLY won't get DULL 
nearly
> > as
> > > fast!  And it's a lot cleaner.  I LOVE G10 and FR4, but maybe 
I'll
> > try
> > > to find some more phenolic board (single sided is fine)!
> > >
> > > Alan  KM6VV