Skip to main content

Table 2 Technological parameters of original and RPOD solutions

From: Towards Energy Efficient Shape Rolling: Roll Pass Optimal Design and Case Studies

Gen = 50

Original solutions

Optimal solutions

Reduction ratio

K3

K2

K1

K3

K2

K1

1.21

1.20

1.21

1.25

1.28

1.16

Rolling speed (× 102 r/min)

7.53

8.06

9.82

7.56

8.21

853.6

Rolling torque (kN·m)

5.03

4.51

3.24

4.66

4.35

3.18

Working diameter (× 102 mm)

3.40

3.46

3.44

3.45

3.50

3.48

Temperature (k °C)

1.03

1.02

1.03

1.02

1.08

0.98

Power consumption (× 10 kJ)

1.85

1.95

1.71

1.69

1.99

1.71

  1. Pass sequence is K3 to K2 (leading pass) to K1 (final pass), GA generations equal to 50