The fields with the red border are required.
    Enter Data for Calculations Below
             
    End Mill Diameter*   Number of Cutting Edges* Axial Depth of Cut*  
      To complete calculations, enter known data into the empty boxes on the left hand side below. All mandatory fields for calculations are indicated by (*). All calculations are based on industry formulas and are intended to provide theoretical values. Actual results could vary and SGS Tool Company assumes no responsibility.
     
    Surface Meters per Minute Solution
    Revolutions per Minute* Constant End Mill Diameter Surface Meters per Minute
    0.00314
    SMM
    Revolutions per Minute Solution
    Surface Meters per Minute Constant End Mill Diameter Revolutions per Minute
    318.057
    RPM
    Millimeters per Minute Solution
    Millimeters per Tooth (Chipload)* Revolutions per Minute Cutting Edges Millimeters per Minute  
    mmPM
    Millimeters per Tooth (Chipload) Solution
    Millimeters per Minute Revolutions per Minute Cutting Edges Millimeters per Tooth (Chipload)
    mmPT
    Millimeters per Revolution Solution
    Millimeters per Tooth (Chipload)
    Cutting Edges Millimeters per Revolution
    mmPR
    Actual Working Diameter Parameter Adjustment Solution
     
        When machining at axial depths less that 1/2 the radius of the cutting tool, the actual diameter engaged in the cut changes and your parameters must be adjusted. The Effective Cutting Diameter engaged must be used for the calculations.        
    Effective Cutting Diameter
          Deff  
               
        Revolutions per Minute for Deff  
        RPM  
        This new Spindle Speed has been optimized for the Depth of Cut  
           
    Metric Radial Chip Thinning Feed Calculator Solution
     
      Whenever the axial depth is less than half the tool diameter (as in Ad2) the chip thickness is less than the feed per tooth and additional feed is possible using the chip thinning calculation. The Effective Diameter (Deff) must be used to properly calculate.        
    Millimeters per Minute w/ Thinning
    mmPM
    This new Feedrate has been optimized for the Depth of Cut
    Surface Finish Calculator Solution
     
        Cusp Height gives an idea of Surface Finish and is most accurate when applied to a flat surface.By reducing the Pitch of Step Over distance, Cusp Height is reduced and a finer finish is produced.If a desired Cusp Height is known, the appropriate Pitch can be calculated.        
               
               
                 
    Enter the Pitch (Step Over) to Calculate Cusp Height Cusp Height
    mm
    Enter Cusp Height to Calculate Pitch (Step Over) Pitch (Step Over)
    mm