Quote:
Originally Posted by Lawry Goldstein
It’s cheaper then what we were buying last year, more expensive compared to most of what we bought this year.
Just wondering, what exactly is a 'variable helix'? On their site the end mills look to have a very consistent helix to them, I can't see such a subtle change to make any real difference.
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Sorry, I made a typo. They're high helix, variable flute*. The variable flute really makes these things rock. Since they don't all meet in the center, it totally eliminates all resonance and harmonics. I've fed in excess of 200 inches per minute on our mill, and it just purrs. Same thing with extended length endmills. even side milling a 2" long part, with a 2.25" long endmill, there's no chatter whatsoever.
That same 1/2" end mill that's $35 from lakeshore is like $70-90 from Niagara, Hanita, SGS, etc.