Table 3 R, d experimental data of roll bending.

From: Design and development of high precision four roll CNC roll bending machine and automatic control model

Order number

Side roll displacement d (mm)

Forming radius R (mm)

1

20

17,873.28

2

23

15,269.76

3

25

14,749.16

4

27

12,337.63

5

30

10,021.40

6

33

9367.36

7

38

7758.35

8

40

7341.803

9

43

6638.45

10

45

6344.59

11

47

5751.45

12

50

5105.64