#### Helical Interpolation Ramp Angle Calculator: Best Ways to ... CNCCookbook

Set it with a full 1/2″ width of cut and let's be a little conservative on depth of cutwe'll use 1/4″. Now press the "Interpolate" button to bring up the Interpolation MiniCalculator. Let's say we're going to make a 2″ hole. GWizard tells us the ramp angle is degrees and our adjusted feedrate should be 31 inches per ...