SIEMENS
2/12
Siemens MD 31.1 · 2016
Configuring guide
Configuring SIP planetary geared motors and SIP planetary gear units
Service factors > nominal output torques
2
■
Configuring
(continued)
Nominal output torques T
2N
(kNm)
Factor for prime mover f
2
Peak torque factor f
3
Thermal factor f
4
(gear unit without additional cooling)
Altitude factor f
6
Gear unit sizes
30
35
37
40
45
50
55
60
Nominal torque
T
2N
(kNm)
10
15
20
25
35
45
65
80
Machine
Factor for prime
mover
f
2
Electric motors,
hydraulic motors, turbines
1.0
Piston engines 4 - 6 cylinders,
cyclic variation 1 : 100 to 1 : 200
1.25
Piston engines 1 - 3 cylinders,
cyclic variation 1 : 100
1.5
Direction of load
Peak torque factor
f
3
Load peaks per hour
1 - 5
6 - 30
31 - 100
> 100
Steady direction
of load
0.67
0.86
0.93
1.13
Alternating direction of load
0.93
1.26
1.46
1.66
Ambient temperature
t
A
Operating cycle per hour (
E
D
)
in °C
in %
100
80
60
40
20
10
1.14
1.20
1.32
1.54
2.04
20
1.00
1.06
1.16
1.35
1.79
30
0.87
0.93
1.00
1.18
1.56
40
0.71
0.75
0.82
0.96
1.27
50
0.55
0.58
0.64
0.74
0.98
Factor
Altitude in meters above sea level
up to
1000
up to
2000
up to
3000
up to
4000
up to
5000
f
6
1.0
0.95
0.90
0.85
0.80
© Siemens AG 2016