Re: Milling Glass

Hi Mariano,
The more lead in the glass the softer it is. You
can carve soft glass with a grinding wheel. I am still trying
to find a simple mechanical way to draw on glass. The thread
seems to have gone off on a Hydrofloric tangent.

John

--- In CAD_CAM_EDM_DRO@y..., diazden <diazden@o...> wrote:
> John
> the etching that I have seen was many times deeper than ordinary
sandblasting
> to the point that the glass appeared carved, don't know what acid
they were using
> I agree with you on the lawyers comment
> regards
> mariano
>
>
> dave engvall wrote:
>
> > diazden wrote:
> >
> > > John;
> > >
> > > I have seen beautifully etched glass panels and they were
done with acid (cant remember
> > > which one) the only problem is that glass etched that way is
very easy to stain
> > > regards
> > > Mariano
> >
> > Glass etches with HF (hydrofluoric acid) ;it is a weak acid but
causes exceeding nasty burns which tend to follow nerve tissue and
> > can take months to heal. The etching is fine grained and not
very deep.
> > That is why most people use the NaF/sulfuric acid paste. Used to
be considered safe for Girl Scouts to use in craft projects. In
> > todays world I make no claims. Too many attorneys and not enough
sand.
> >
> > Dave
> >
> > >
> > >
> > > "
> > >
> > > >
> > > > kleinbauer@j... wrote:
> > > >
> > > > > Hi Andrew,
> > > > > I was hoping to find away to etch glass at a hobby
> > > > > level. My friends own a glass company. They do custom store
> > > > > fronts. Right now they have an artist who comes in and does
> > > > > letter heads etched on the glass windows. The artist suits
> > > > > up in a booth, he uses glass beads shot out of a sand
blaster.
> > > > > He uses masking tape and a razor to lay out the designs.
> > > > > Someday I hope to build a device simular to a ink jet
printer.
> > > > > Instead of ink It will be shooting glass beads. Righ now I
am
> > > > > still at work redrawing my circuit board. I want my homemade
> > > > > milling machine to etch the board and put in starter holes.
> > > > > The first set of boards worked great, except for manual hole
> > > > > layout and drilling process. I want to be able to supply
> > > > > circuit boards for my kits. I am predrilling the hole
> > > > > locations with the mechanical etching bits.
> > > > >
> > > > > John
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > >
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