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An old timer in Dayton told me my speeds and feeds were way too high for aluminum.
Honestly, I was running a 3/8 end mill at 10,000 rpm and 80 ipm on some 6061 parts. He pulled me aside after a job and said, 'Kid, you're gonna burn up tools and wear out your spindle pushing it that hard.' I dropped it down to 6,500 rpm and 50 ipm, and my tool life tripled. Anyone else get a piece of advice that totally changed your setup?
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tyler_fox413mo ago
My buddy was running a finishing pass on steel way too slow, leaving a terrible finish. Some crusty guy in his shop saw it and just said "you're scared of it, feed it harder." He cranked the feed way up on the next part and it came out like glass. Totally changed how he thinks about chip load.
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matthewgonzalez1mo ago
You ever have that moment where you realize you've been doing something wrong for years without knowing it? I used to think slower feed meant a better finish, like taking your time would somehow make the surface smoother. But a guy at a trade show told me the same thing once, and it made me question everything. It goes against everything that feels right in your gut, but the science is there. Now I push my finishing passes way harder and yeah, the results speak for themselves.
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