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Enter Data for Calculations Below
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End Mill Diameter*
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Number of Cutting Edges*
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Axial Depth of Cut*
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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. |
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Surface Meters per Minute
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Solution
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Revolutions per
Minute*
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Constant
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End Mill Diameter
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Surface
Meters per Minute
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0.00314
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SMM
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Revolutions per Minute
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Solution
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Surface Meters per
Minute
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Constant
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End Mill Diameter
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Revolutions
per Minute
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318.057
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RPM
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Millimeters per Minute
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Solution
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Millimeters per
Tooth (Chipload)*
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Revolutions per Minute
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Cutting
Edges
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Millimeters per Minute
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mmPM
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Millimeters per Tooth (Chipload)
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Solution
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Millimeters per
Minute
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Revolutions per Minute
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Cutting
Edges
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Millimeters per Tooth (Chipload)
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mmPT
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Millimeters per Revolution
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Solution
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Millimeters per
Tooth (Chipload)
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Cutting
Edges
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Millimeters per Revolution
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mmPR
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Actual Working Diameter Parameter Adjustment
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Solution
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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.
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Effective
Cutting Diameter
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Deff
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Revolutions
per Minute for Deff
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RPM
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This new Spindle Speed has been
optimized for the Depth of Cut
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Metric Radial Chip Thinning Feed Calculator
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Solution
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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.
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Millimeters per Minute w/ Thinning
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mmPM
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This new Feedrate has been
optimized for the Depth of Cut
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Surface Finish Calculator
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Solution
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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.
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Enter the Pitch
(Step Over) to Calculate Cusp Height
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Cusp Height
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mm
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Enter Cusp Height
to Calculate Pitch (Step Over)
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Pitch (Step
Over)
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mm
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