On 02/23/2017 09:35 AM, Jim Craig wrote: > Yep, you should have done a HSM slot about 3/8" wide with the 1/4" > cutter and you would have had little trouble. I try to avoid a > conventional full width slot in aluminum where possible. lube definitely > helps or is required. > > Yes, the hardest part of this is what I call the "plowing cut", where the cutter is cutting the full width into the material. There's no great way to do this, but ramping down helps, some. There might be some inventive ways to ramp several times down the cut, then make a pass at constant depth taking off the tops of the ramps, then repeat at next depth, etc. until you break through.
I never cut slots the same width as the cutter, I always somehow manage to plow the first, full-width cut, and then climb mill the sides to bring the slot to the desired dimension. Jon ------------------------------------------------------------------------------ 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
