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Overheard a foreman say something that got me thinking about feeds and speeds

Guy from the shop next door was complaining about how his operators always run the spindle at 12,000 rpm for everything, and it clicked for me that I've been doing the same thing for 2 years without thinking. Has anyone else had to re-learn feeds and speeds after getting comfortable?
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2 Comments
ryan_sanchez
Right, I was running everything at 8000 rpm for years before I figured out what I was missing.
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the_shane
the_shane3d ago
Man, @ryan_sanchez hit the nail on the head, but have you tried cranking it to 15k for aluminum?
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