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Switched from a 3-flute to a 5-flute endmill for finishing aluminum and the surface finish went from okay to mirror smooth.
I ran the same part with both cutters on our VF-2, and the extra flutes just left no visible tool marks at all, so has anyone else found a sweet spot for flute count on different materials?
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mitchell.lee5mo ago
Tbh, your buddy's four-flute is just showing off.
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