Hi everyone, I am currently a student and my teacher hasn't been able
to give me a real direct answer and everyone I ask just gives me what
DOC they use but I want to find out how to get the DOC.

Basically I was taking to deep of cuts and keeping the feed rate high
which I realized was wrong. So I am basically trying to find a formula
or a log or something that will help me determine a DOC.

For example I am cutting 6061-T6 Aluminum at using a 1/4 4 Flute
endmill with a FPM of 75 and a DOC of 0.025" and a Spindle Speed of
6000 since that is when the machine max's out. I understand where the
RPM, IPM, and FPM comes from and how to calculate them. I just have no
idea where the DOC comes from. So if anyone could explain it or give
me a formula it will greatly be appreciated.