On Sunday 25 September 2016 12:32:57 Jon Elson wrote: > On 09/24/2016 01:26 PM, Gene Heskett wrote: > > That alu oxide forms behind the cutting edge in free air in about 1 > > millisecond, and its the 2nd hardest substance known to man. And > > its that oxide that eats our tools for lunch. Even carbide succumbs > > eventually. > > Oh, one other thing is to climb mill everything possible. > This allows the cutting edge to plunge into the thicker part > of the workpiece, while conventional milling causes it to > skate across the just machined surface until the contact > pressure makes it dive through the surface. Climb milling > greatly reduces tool wear, and may lead to less workpiece > heating, also. > > Jon > Absolutely Jon. I do it as a matter of habit as I've never rigged a coolant system on the G0704. I guess thats why I didn't mention it. A vacuum to suck up the chips, but not a cooling system.
Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
