RE: [CAD_CAM_EDM_DRO] Re: Glass cutting

> On Oct 22, 2006, at 6:38 PM, Jack Coats wrote:
>
> I know it is not the same thing, but has anyone tried
> 'milling' glass, to 'mechanical etching'?
>
>
>
> It is done all the time and has been done longer than what
> you might call "machining.". but it is called "grinding " see
> lapidary. it does need to be cooled . Heating the glass will
> make things worse.
>
> The cnc glass cutting technique is done on VERY thin stock -- it
> won't extrapolate to even normal thin window glass. it isn't
> hard to orient the cutter wheel but you need more than just a
> scratch to break thru. Search glass breaking pliers and also
> glass cutting. The burglar technique isn't how it is really works .
>
> Silicon chips from wafers are sawed not cut by breaking although
> the machine described cuts glass near wafer thickness. There is
> an interesting technique shown where the carbide wheel axle
> hole is cut with a spline or like an internal planetary gear
> to put enough vibration in to run the break.

That site was claiming to cut 6mm (1/4") glass on that machine. Neat trick
if it true. Or I read it wrong :)

Tony