[sdiy] Machining aluminum, part deux

[KA4HJH]

>With aluminum I crank the RPM to max, feed rate
>to max, and feel sorry for the guy on the next amchine
>over as a stream of chip flys over at him.

The rule of thumb I've always heard for drilling aluminum is that the swarf
should come off in a single, unbroken piece. If you get that you've got the
speed just right.
-- 

Terry Bowman, KA4HJH
"The Mac Doctor"

"By the end of Chuck Statler's 'Rock Videos' of Devo we agreed that even if
Devo did not take the stage it was still the best concert any of us had
ever attended." --Kim Thayil (Soundgardern), 1995