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>

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