Flat bottomed drilled holes
- From: plh <plh_member@xxxxxxxxxxx>
- Date: 30 May 2008 06:29:23 -0700
I am working on a project in which I need to make flat bottomed holes in some
rather extreme conditions. The smallest so far is .073 diameter 1.277 deep, that
being 17.5 diameters, and the largest is .1875 1.0 deep, a mere 5 diameters. I
have high pressure internal coolant available, so I am going to use that to get
the depth, them follow up with a cobalt drill ground to 180 degree tip in order
to make the flat bottom while being supported by the rest of the hole. Does
anyone have a better suggestion?
-plh
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Where are we going and why am I in this HAND BASKET??
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