Daniel Rogge wrote: > If you're only using small end mills, then the max axis force required is > simply just a bit more than the force required to snap the end mill. I would > think that a 6mm end mill wouldn't be capable of delivering 1.5 HP to a > workpiece. > That all depends on RPM. A 6 mm end mill could probably absorb 50 Hp at the right RPM. I read a book on high speed machining, their test case was a 75 Hp spindle at 80,000 RPM, and they were removing 640 cu in/minute with a 1/2" solid carbide end mill! YIKES! It probably takes me a YEAR to remove that much metal on a mill!
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