@TDA has a nice page on using Janka hardness to work up feeds and speeds:
and Bob Warfield of CNC Cookbook also has a bit on this:
and to explain all this see:
and
@TDA has a nice page on using Janka hardness to work up feeds and speeds:
and Bob Warfield of CNC Cookbook also has a bit on this:
and to explain all this see:
and