Feeds & speeds
Spindle speed, feed, plunge and depth per pass for your bit, material and machine.
Spindle speed8621rpm
Feed rate5000mm/min
Plunge rate1667mm/min
Depth per pass2.25mm
Stepover: rough / finish2.4 / 0.6mm
Chip load0.290mm
!
The spindle is slowed to match your machine's highest feed, keeping the chip load: a slower spindle with the right chip beats a fast one that rubs.
i
Feed = speed × flutes × chip load. The chart chip load for this bit is 0.290 mm. These are starting values: run a test cut, then listen to the cut and look at the chips.