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Conditions

Drill Ø [mm]

x

Hint:

External diameter of the drill used. The point angle is 118 ° resp. 130 ° assumed for calculation.

Drilling depth [mm]

x

Hint:

The corresponding drilling depth of your machining.

Cutting speed [m/min]

x

Hint:

The cutting speed depends on the composition and strength of the material and the tool material used.

Speed [rpm]

x

Hint:

Rotation on the spindle.

Feed per revolution [mm]

x

Hint:

Feed in drilling direction per revolution of the spindle.

Feed rate [mm/min]

x

Hint:

Feed in drilling direction per minute. This value divided by the speed gives the feed per revolution.

Efficiency

x

Hint:

Machine efficiency refers to the efficiency of energy transfer in the machine. The base value is less than 1.

Calculated key figures

Power [kW]

Feed force [N]

Processing time [s]