On 07/04/2020 12:54 PM, andy pugh wrote:
On Sat, 4 Jul 2020 at 18:02, Gene Heskett <ghesk...@shentel.net> wrote:
Attacking HSS with diamond is a waste of time and burns up the expen$ive
diamond.
Whilst it is meant to be a terrible idea, in practice it works OK.
I think it depends on surface speed. If the speed is high
enough that the sparks are totally white-hot, it will alloy
with the diamond. At lower speeds, especially where the
sparks are barely glowing, it doesn't seem to hurt the
diamond at all.
Jon
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