Table 6 Results of the 2nd experiment—comparison of the sanding area according to design variables.

From: Experimental design of 4-point supported belt robot for sanding large convex surfaces

Experiment number

\(F_s\)

V

\(L_{RT}\)

Sanded area (%)

\(\rho \)

Level

Level 1

Level 2

Level 3

1

1

1

2

16.24

41.46

57.26

2

1

2

2

23.89

27.35

51.63

3

1

3

2

22.93

42.19

49.91

4

2

1

2

18.37

20.98

38.62

5

2

2

2

23.29

41.75

49.25

6

2

3

2

29.86

46.59

45.93

7

3

1

2

15.99

41.94

51.18

8

3

2

2

32.92

35.75

41.47

9

3

3

2

34.08

35.26

56.33

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