Re: [CAD_CAM_EDM_DRO] Re: Milling Glass

Hi,

One point to remeber is that Hydrofluoric Acid likes to eat human skin even
better than it likes glass!!

Ian
--
Ian W. Wright
Sheffield UK
www.iw63.freeserve.co.uk

----- Original Message -----
From: <kleinbauer@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: 12 April 2001 17:11
Subject: [CAD_CAM_EDM_DRO] Re: Milling Glass


> Hi Mariano,
> I had a kit years ago that used contact paper
> or you could use wax to layout a design on the glass. I think
> the acid was hydrofloric, not sure on spelling. Comes in
> a plastic bottle! I was very surprised to see something eat
> glass. A mind blowing experence. I used to setup machines
> that made electron tubes and mercury switches. We used the
> acid to clean the switches up after the sealing operation. We
> mixed Hydofloric-Hydrocloric and I think I remember arsenic.
> The company where I worked is a toxic waste site. Ahhh the
> memories.
>
> John
>
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., diazden <diazden@o...> 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
> >
> >
> > "
> >
> > >
> > > 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
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
>
>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
discussion of shop built systems, for CAD, CAM, EDM, and DRO.
>
> Addresses:
> Post message: CAD_CAM_EDM_DRO@yahoogroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> Moderator: jmelson@... timg@... [Moderator]
> URL to this page: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> bill,
> List Manager
>
> FAQ: http://www.ktmarketing.com/faq.html
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>