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05-11-2013 #8
Last Activity: 26-09-2019
Just spotted your diagram with the angles, I think i had the wrong angle in mind...
Originally Posted by EddyCurrent
With Excel you have to remember that the TAN() function uses Radians for the angle so the PI()/180 is to change the angle into radians.
So if you use just a calculator it would be (requiredDiameter/2) X tan(angle in degrees)
These are the angles reffered to.
So...if my cutter has a 45 degree angle at the cutting head (top of your diagram) that would mean the angle I need to use with the formula would be 67.5?
(180-45)/2 = 67.5
Is that correct?
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