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    Cutting Fluid Formulas: Optimize Holemaking Efficiency | WIDIA

    Calculate Velocity, Power, Flow or Orifice Size, Efficiency, and Minimum motor size.

    These calculations are based upon theoretical values and are only intended for planning purposes. Actual results will vary. No responsibility from Kennametal is assumed.

    Pressure and Velocity
    Metric
    Inch

    Pressure and Velocity

    PSIbar
    in. - Diametermm - DiameterYou may use either flow or orifice, but not both.
    Efficiency

    Efficiency

    PSIPSI
    If efficiency is unknown, use 85% as a general rule.
    Results

    Results

    ft/minm/min
    hpkW
    gpm liters/min Tip('Which ever value not selected above is calculated here.')
    %
    hpkW
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