On 5 December 2016 at 12:21, Gene Heskett <ghesk...@shentel.net> wrote:
> HSS cutting alu is not a long lasting tool Is that based on your theory that Aluminium forms an adamantine ceramic layer in nanoseconds? Even if it does with a milling cutter[1] then it won't with a lathe cutter as it is a continuous cut. > Have 2 std $40 bench grinders, no angle setter. Is also maddeningly slow > at taking off enough to form a proper angle in a reasonable time w/o > burning up the tool You need a cup of water near the grinder. It doesn't even really matter if you micro-crack the metal you intend to remove. [1] And I don't think it does -- 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 ------------------------------------------------------------------------------ _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
