10,000 RPMs still seems fast

by James

But 10,000 is as fast as my mill will spin, so that will probably always seem fast to me. I think I would have started at 5,000. 20 inches may be all those bits can take in aluminium. Almost all of my machining is doing exotic contours, so I have to take very small bites, but can usually up the feed rate once the first few passes are over.

How long are your "1/2" compression spiral carbide bits"? Do you have a part #? I need something better, now that I'm doing more wood molds.

Posted on Jun 13, 2017, 2:00 PM

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