Siemens SIDOOR ATD4 W Series System Manual page 210

Geared motors
6.2 Installation
Span tension
The span tension T of the belt is calculated as follows:
T: Span tension [N]
k: Weight per meter [kg/m]
L: Belt length [m]
f: Frequency (Hz)
The following table shows the natural frequency (f) of the belt for the recommended span
tension (T) at different belt lengths (L).
Belt system
Article No.
Recommended span ten‐
sion (T)
Weight per meter (k)
Belt length (L)
0.3 m
0.5 m
1.0 m
1.5 m
2.0 m
2.5 m
3.0 m
3.5 m
4.0 m
4.5 m
5.0 m
In some applications a simple adjustment of the belt tension as follows may be sufficient:
208
CONTI SYNCHROLINE STS-S8M,
12 mm
(Length: 4 m and 45 m)
6FB1104-0AT01-0AB0
6FB1104-0AT02-0AB0
160 N ±10 N
0.062 kg/m
Frequency (f)
84.7 Hz
50.8 Hz
25.4 Hz
16.9 Hz
12.7 Hz
10.2 Hz
8.5 Hz
7.2 Hz
6.3 Hz
5.6 Hz
5.0 Hz
CONTI SYNCHROLINE STS-S8M,
14 mm (length: 4 m and 55 m)
6FB1104-0AT03-0AB0
6FB1104-0AT04-0AB0
160 N ±10 N
0.072 kg/m
Frequency (f)
78.6 Hz
47.1 Hz
23.5 Hz
15.7 Hz
11.8 Hz
9.4 Hz
7.9 Hz
6.7 Hz
5.9 Hz
5.2 Hz
4.7 Hz
ATD4xxW for industrial applications
System Manual, 06/2022, A5E51901827B AA