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CABLE GUIDANCE 49
Calculation
The following table helps to determine the number of the cable guidance
trolleys (n) and the length of the feed cable or the com-pressed air hose (LK)
- For an effective runway of a trolley (Ln) < 30 m, the values of n and LK are
detailed.
Lv
B/2
Lw
Ln
Lt
B/2
Track length
Ln
Cable length
LK 0.5 0.63
Number of cable guidance trolley (n)
0.8 1.0
for a loop height A (m)
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
7.5
8.6
9.7
10.8
11.9
13.0
14.1
15.2
16.3
17.4
18.5
19.6
20.7
21.8
22.9
24.0
25.1
26.2
27.3
28.4
29.5
30.6
31.7
32.8
33.9
35.0
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21
23
24
25
26
27
28
29
30
31
32
4
5
6
6
7
8
9
10
11
12
13
13
14
15
16
17
18
19
20
20
21
22
23
24
25
26
3
4
4
5
6
6
7
8
8
9
10
10
11
12
13
13
14
15
15
16
17
17
18
19
19
20
2
3
3
4
4
5
6
6
7
7
8
8
9
9
10
10
11
12
12
13
13
14
14
15
15
16
Ln x C
-For an effective runway of the trolley (Ln) = 30 m the values of n and LK are
calculated as follows:
-n= -1 n = number of cable guidance trolleysA: Loop height C: Coefficient
2 x A
Height of the loop (m): A
Coefficient C
0.63
1.08
0.5
1.1
0.8
1.065
1.0
1.05
LK = LT x 1.1 + 2 m
LT = Lw + Lv
Lw = Ln + B
Lv = n x w
LK : Cable length
LT : Total length of the track
Lw : Length of the runway
B : Width of the trolley
Lv : Required space for the cable guidance
trolleys
w : Width of the cable guidance trolley
