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#1
 
06-08-2011, 05:54 PM
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Just bought a new NT Hyper SPindle for my Okuma MB56VA machining centre to help with aluminium and engraving. max cutter dia. 12mm - max rpm 30,000 Just wondering if anyone uses one for slotting or profiling, and what is the secret to good surface finish? How many flutes on your end mills,Dia., ap, Vc etc. We are just getting started, but looks like could have to reduce cut depth to the point that I may as well stick with standard 8000rpm and deeper cuts... Going to try the factory test data now for aluminium side cut:- D6 - 2 Flute endmill. 9mm deep, 1.8mm side cut. 30000rpm-1200mm/min  |
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