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Table 6 Comparison of the energy consumption using two different machining parameters (W·h)

From: Modeling Method for Flexible Energy Behaviors in CNC Machining Systems

Energy consumption

Original machining parameters

Changed machining parameters

Difference

Rough machining

 Fan motor and servo system

5.7

5.2

−0.5

 Cool pump motor

1.1

1.0

−0.1

 Feed motors

0.8

0.7

−0.1

 Spindle motor

14.9

13.3

−1.6

Finish machining

 Fan motor and servo system

6.8

6.1

−0.7

 Cool pump motor

1.4

1.2

−0.2

 Feed motors

0.9

0.8

−0.1

 Spindle motor

15.0

11.7

−3.3

Total energy consumption for the cylinder

46.6

40.0

−6.6