When you bore the hole can you machine some flats on either side as a reference?
JT On 3/30/2017 6:02 AM, andy pugh wrote: > If you have a part with a large bore through the middle, how do you > set up to machine a hole exactly perpendicular to the axis of that > bore? > > I imagine that this is quite a common problem, so must have a common solution? > > My particular setup puzzle is analagous to this, except that I will be > using the horizontal spindle. > > Machining this casting: https://goo.gl/photos/6QhNnqjzRuSJJpva7 > > The order of operations will be, starting with the raw casting: > 1) with the large flat face clamped down to the table machine the base flat. > 2) Now clamp the base to the table, face off the large flat face and > machine the large bore. > 3) Return to the original setup and machine a key-slot in the base > _exactly_ on the axis of the large bore. > > 3) is the problem. I can indicate the base to make sure that is > perpendicular to the spindle axis, but how do I make sure that the > bore axis and the spindle axis intersect? > ------------------------------------------------------------------------------ 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