The laser drilling was the first thing I thought of too. Pratt & Whitney uses this process to drill similar size holes in the turbine blades. The keep the slag out of the holes they fill the interior of the blade with epoxy: Upon burn through the epoxy virtually explodes, blowing and slag or burr-like recast out of the hole.
N. Christopher > On Feb 10, 2017, at 5:16 PM, andy pugh <bodge...@gmail.com> wrote: > >> On 10 February 2017 at 21:59, Jim Craig <jimcraig5...@windstream.net> wrote: >> The more I think about the actual process and needs of the machine I am >> thinking that a small hole EDM drilling head would be better for this >> application. > > > Maybe consider lasers (and sharks?) too: > https://www.oxfordlasers.com/laser-micromachining/applications/fuel-injector-production/ > > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is > designed for the especial use of mechanical geniuses, daredevils and > lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1916 > > ------------------------------------------------------------------------------ > 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 ------------------------------------------------------------------------------ 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
