On 09/24/2016 08:46 AM, Gene Heskett wrote: > On Saturday 24 September 2016 04:35:23 Nicklas Karlsson wrote: > >> For aluminium I have vague memory there is a non optimal speed there >> metal stick the most. Can't however if it was feed rate or rotational >> speed of tool. > Probably surface speed related. 6061 is fairly soft, but it wasn't > sticking to the tool. Cutting looooong stringers, the tool shank looks > like alu now. I started out at 800 revs & a 10 mm hole, but 800, half a > mm cut at 100 mm's a minute feed was saying the motor is working a bit, > so at 40 mm's I turned it down to 500. Ideal speed/feed? Idontknow. > > Cheers, Gene Heskett 800 RPM? Way too LOW! I run up to 1/2" cutters at 2720 RPM (highest speed on my ancient Bridgeport). Take shallow cuts and keep the feed as fast as you can.
Jon ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
