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Feed per Revolution (Usually designated by Fn) is the linear distance that the cutting edge travels during a single spindle rotation. In Milling and Drilling, it is a single rotation of the cutting tool. In Turning, Grooving, and Parting it a single rotation of the workpiece.Feed per revolution in MillingIt is calculated in two ways:Dividing the Table Feed by the Spindle Speed.Multiplying the Feed per Tooth by the Number of teethIt is an auxiliary parameter that is used to calculate the table feed, based on the cutter’s chip load and the Feed per Tooth.Feed Per Revolution Milling FormulaVf – Table Feed [mm/min or Inch/min]Fn – Feed per revolution [mm/rev or Inch/rev]Fz – Feed per Tooth [mm/tooth or Inch/tooth]n – Spindle Speed [RPM]z – Number of teeth (flutes)\( \large F_n= \huge \frac{ \unicode{86}_f}{n}\)\( \large F_n= F_z \times z\)Milling Calculators PageA collection of Online CalculatorsFeed per revolution in DrillingIt is calculated by:Dividing the Penetration Rate by the Spindle Speed.It is used to calculate the Penetration Rate.Feed Per Revolution Drilling FormulaVf – Penetration Rate [mm/min or Inch/min]n – Spindle Speed [RPM]Fn – Feed per revolution [mm/rev or Inch/rev]\( \large F_n= \huge \frac { \unicode{86}_f}{n}\)Drilling Calculators PageA collection of Online CalculatorsFeed per revolution in TurningIn Rotating application (Turning, Grooving, and Parting), the Feed per Revolution is provided directly without calculation)Turning Calculators PageA collection of Online CalculatorsRelated Pages:Glossary: Approach Angle (KAPR°)Drilling Calculators and FormulasGlossary: Feed Per Tooth [Fz]Machining Power Calculator and FormulasMetal Removal Rate Calculator and Formulas« Back to Glossary IndexRelated Glossary Terms:Cutting EdgeSpindleMillingDrillingTurningGroovingParting OffMilling Feed Rate (Table Feed)RPMFeed Per ToothChip Load

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It is calculated in two ways:Dividing the Table Feed by the Spindle Speed.Multiplying the Feed per Tooth by the Number of teethIt is an auxiliary parameter that is used to calculate the table feed, based on the cutter’s chip load and the Feed per Tooth.

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In Rotating application (Turning, Grooving, and Parting), the Feed per Revolution is provided directly without calculation)

Related Pages:Glossary: Approach Angle (KAPR°)Drilling Calculators and FormulasGlossary: Feed Per Tooth [Fz]Machining Power Calculator and FormulasMetal Removal Rate Calculator and Formulas« Back to Glossary IndexRelated Glossary Terms:Cutting EdgeSpindleMillingDrillingTurningGroovingParting OffMilling Feed Rate (Table Feed)RPMFeed Per ToothChip Load

It is an auxiliary parameter that is used to calculate the table feed, based on the cutter’s chip load and the Feed per Tooth.