On 26 January 2018 at 16:56, Gene Heskett <ghesk...@shentel.net> wrote:
> > Moving the dial with the carriage also tells me the head on this thing > isn't well trammed. The error, assuming the A2 isn't tapered, is about a > thou/inch. > > What sort of a measuring setup does it take to measure that? Comparing the results you get when turning work between centres and turning work in the chuck can probably indicate whether the head is set over or twisted (or both). As a first measurement, try a dial indicator in the chuck around a good MT adaptor in the tailstock (assuming a set-over tailstock). -- 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