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