Quote:
Originally Posted by sanddrag
HAAS MiniMill. Trim C350 coolant at 7% Brix, 4 streams high pressure flood. Lakeshore carbide 1/4" 3fl ZrN coated endmill. 10% Stepover. 6000 RPM. 120 IPM pocketing. 0.010 finish pass at 60 IPM. No tumbling or anything. Just a deburring knife on the edges.
We fixtured by just bolting it down to a fixture plate that we drilled and tapped with a few holes.
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120 IPM pocketing? I'm jealous, I usually consider myself lucky if I can get 20 IMP. Of course, that's with a something like 50% stepover and non HSM toolpaths...
Titanium is almost twice as heavy as aluminum. I can have the bragging aspect of making a bullet resistant robot, but if someone is coming into a competition and shooting my robot, I have more important things to worry about! - Andrew Blair [more] 
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