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Conditions

 
x

Hint:

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

 
x

Hint:

The corresponding drilling depth of your machining.

 
x

Hint:

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

 
x

Hint:

Rotation on the spindle.

 
x

Hint:

Feed in drilling direction per revolution of the spindle.

 
x

Hint:

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

 
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]