On Aug 25, 5:09 pm, Joseph Gwinn wrote:
In article ,
Joseph Gwinn wrote:

I just got a used shell mill mounted on a R8 arbor. The cutter is made
by Morse, is 1-1/8 inches in diameter, and has ten spiral teeth. It has

Typo. It's 2-1/8 inch in diameter.

I used to run a 3" 4fl indexable facemill at 0.150" DOC, full
diameter, max spindle RPM in aluminum. Feed too hard and you can hear
the machine bog. 0.015" should be trivial for any full-size knee mill.

Regards,

Robin