why greek "pi" exists in cutting speed calculation?
I do not understand why greek pi (value = 3.1428) presents in this
formula
when the cutter does not follow a circular motion.
Logic tells me that your machine is converting circular motion to linear motion
and thus "pi" comes into play. I don't want to devote too much time thinking
about this because it is Thanksgiving day and the only PIE I am thinking about
right now is that wonderful pumpkin pie that I smell from upstairs.
Happy Thanksgiving all,
DL
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