Re: [CAD_CAM_EDM_DRO] Milling HSS

Hi Paul,

HSS machines just like tool steel until it is hardened. Once hard the only
thing that can touch it is grinding. I have even tried TCT tooling to cut it
once hard and the results ended up in the scrap along with the cutting tool.

Regards,

Terry

> Hi All
>
> A friend - perhaps that should be spelt fiend - has asked if I can mill

some

> cutting tips out of 5% cobolt HSS for a wood turning tool....
> Without resorting to EDM or grinding, I'm not sure whether this is worth
> trying. Has anyone on this list tried machining HSS, if so, what feed and
> speeds, cutter types etc....
> Loathed to trash an expensive cutter, hence I ask first.
>
> Regards, Paul.