Originally Posted by
RCaffin
That's the bit which puzzles me. I machine titanium alloys, and the same is said for that metal.
But if Co-HSS works fine for drilling, why doesn't it work for milling? Why does carbide die so quickly? Yes, sure, drilling is not the same as milling, but even so it still seems a bit strange. Are people still pushing the carbide milling tips too fast through the metal?
I was drilling some 6Al4V and accidentally set the spin too high. The spindle power rocketed up. I cut the speed down a little bit, and the power dropped dramatically.
Cheers
Roger