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Machining Calculator
Surface Finish Calculator
Tables & Charts

CMT - Surface Finish Calculator


Surface Finish Calculator

Nose Radius Feed Rate AA RMS

  • AA: Arithmetic Average (Ra)
  • AA = (Feed2/(24*Rad))*1,000,000
  • RMS: Root Mean Square
  • RMS = AA x 1.11

* Calculations provide a theoretical finish

 
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