Re: [CAD_CAM_EDM_DRO] Aluminum cutting,,,,,,,

Max speed on my mill is only about 3200 RPM and I think I'll pass on using
an 1/8" end mill when surface finishing a 5"+ wide piece or cutting 1" plus
groove widths.

Smoke

>I have 5 plus years in cutting aluminum at the sign co. business, I work
>for.... Use 50/52 type aluminum, carbide spiral up (two fluted for smooth
>clean cuts, .250" in diameter, if you need to use a small milling bit, lets
>say as small as .125", use a non-carbide single flute bit, by all means,

use

>either a coolant type oil or what I use, a water base coolant. Depending

on

>feed rate, use 16,000~19,000 rpm, climb direction is a must. I cut .125"
>50/52 aluminum about anywhere from 24~28 ipm. Coolant also helps keep your
>bit cooler and last much longer.......
>
>
>Russ.
>
>
>
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