Re: [CAD_CAM_EDM_DRO] Diamond engraving cutters

Hi Ian,

Yes, that sounds like it, I can "scratch" lines with it quite easily.
When I get a little braver, I'll try them on some glass. Robert might
have a few tips. I hadn't heard of dentists using them, I'll have to
ask mine!

Alan KM6VV

Ian Wright wrote:

>
> Hi Alan,
> I have a number of diamond points somewhat like you describe although the
> steel rod shanks on mine are quite short (3/8") and have a screw thread to
> mount them. These are designed for engraving by pressure alone and the ones
> I have were used in a pantograph for scribing lines one steel scales. They
> are not suitable for use in a rotary cutter where you need the type of
> bonded diamond particle cutter as has been described by others. These rotary
> diamond cutters are, of course, exactly what dentists use on your teeth
> nowadays and a suitable approach to a friendly dentist (or better yet,
> dental nurse) will usually bring a few of these cutters free. The guys doing
> private dentistry round here tend to throw away even these diamond burrs
> after every job under the pretence of not spreading aids but if you bung
> them straight in a bath of bleach, there's no risk to you. (This doesn't
> work with ordinary steel burrs as the bleach dulls their cutting edges, so
> steel burrs need autoclaving (pressure cooker when the wife's out!) instead.
>
> Ian