On Thursday 03 August 2017 11:02:59 John Kasunich wrote: > It's not room temp when it is scraping across steel at a couple > thousand surface feet per minute. (Or even a couple hundred.) > This is nominally 235.5 sfm, wet with k2. No k2 smoke from the heat at all. The k2 is turning black, but wipes clean with a paper towel. And it seems to be cutting well considering its a 6000 grit surface.
Time to go see if the cut has actually reached the top face of the tool. As I approach the end point of shaping the left face, I am doing a 1" retract so its not sitting stopped in motionless contact. > On Thu, Aug 3, 2017, at 10:52 AM, Gene Heskett wrote: > > On Thursday 03 August 2017 06:54:02 andy pugh wrote: > > > On 3 August 2017 at 07:39, Gene Heskett <ghesk...@shentel.net> wrote: > > > > Playing with that $12 diamond disk, it looks as if it will do a > > > > decent job of shaping HSS tooling given time enough to do it. > > > > > > You probably want CBN (or conventional abrasive) for HSS. Diamond > > > is Carbon. Carbon dissolves in steel. > > > > At room temps? > > > > Cheers, Gene Heskett > > -- > > "There are four boxes to be used in defense of liberty: > > soap, ballot, jury, and ammo. Please use in that order." > > -Ed Howdershelt (Author) > > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > -------------------------------------------------------------------- > >---------- Check out the vibrant tech community on one of the world's > > most engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
