Re: [CAD_CAM_EDM_DRO] Re: Milling Glass

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@... 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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