Free use terms = <$100,000 per year. Non Free = you should be able to afford it.
On Thu, Apr 13, 2017 at 5:16 PM, Gregg Eshelman <g_ala...@yahoo.com> wrote: > Do test runs in wood or machinable wax or plastic. Could try spraying a > dry graphite film on the cutter. NAPA auto parts has spray cans of that. > Don't mill the crappy aluminum alloy. > > On Thursday, April 13, 2017, 8:46:03 AM MDT, Todd Zuercher < > zuerc...@embarqmail.com> wrote:Here I go again. Unfortunately, the > aluminum jig was a big hit, and now they want more. So I thought I'd take > a crack at a trochoirdal milling path. My first try gave mixed results. > Looking for advice. > My CAM software still doesn't have a trochoirdal option, so a faked it > with a line of small circles strung together. > I tried milling with a Vortex 1230 1/4" solid carbide up spiral @ 18000rpm > feed rate set to 100ipm (but due to machine acceleration limits the feed > was really only 60ipm). The path was made with 3/8" circles with a female > climb milling path strung together with a 0.05" step, milling 1/4" deep. > It cut beautifully, for about an inch, then the flutes clogged and the bit > promptly broke. This was a dry test cut in the Mic-6 chewing gum and I > forgot to turn on the air blast. > > Suggestions on where I should go from here? Smaller step? Lower or > higher RPM? Larger circle (to allow faster feed)? I know Getting the air > blast turned on and a squirt of WD-40 will help, but will that be enough? > Better Aluminum stock should also help, I have 3 sheets of 6061 for the > next ones, but I would like to cut a few things from the Mic-6 scrap left > over from the last one. > > ------------------------------------------------------------ > ------------------ > 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 > ------------------------------------------------------------------------------ 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
