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MS2S
Derating in case of deviating ambient conditions
Bosch Rexroth AG
R911410077, Edition 01
Fig. 7: Vibration load on measuring points
Table 15: Permissible vibration load for MS2S
motors
Direction Measuring point
Limit
value
(10-200
0
Hz)
Motors
Self-
cooling
radial
1, 2 (radial motor flange) 30 m/s²
4, 5 (radial bearing shield) 50 m/s²
Axial
3 (axial motor flange)
10 m/s²
6 (axial bearing shield)
25 m/s²
The specified values must not be exceeded.
8.4
Operation
During operation, keep the ambient and opera-
tion conditions and technical data specified in
the project planning manual.
Checks during operation:
•
Pay attention to exceptional noise.
•
Pay attention to increased vibrations.
•
Check the motors and fan units for cleanli-
ness.
•
Check the tightness of the coolant connec-
tions.
•
Check the monitoring devices and diag-
nostic / error messages of the controllers.
Decommission the drive when deviations from
normal operation exist. For further procedure
refer to .
8.5
Derating in case of devi-
ating ambient conditions
Reduce high performance data:
1.
Reduce the standstill torque M
0
60K
, speci-
fied in the data sheet, with the following
factors.
We have:
M
0 red
= M
0 60K
× f
TH 60K
M
0 red
= M
0 100K
× f
TH 100K
2.
Pan the S1-characteristic curve M
S1
par-
allel to the speed axis to the junction of the
S1-characteristic curve and to the calcu-
lated point M
0 red
on the torque axis.
🡆
The determined characteristic curve
M
S1 red
shows approximately the S1-
characteristic curve with appropriate
derating.
M [Nm]
n [1/min]
M
S1 red
M
S1
M
0
M
0 red
Fig. 8: Determine S1-characteristic curve M
S1 red
with derating factor f
TH
Table 16: Derating factors for self-cooling 60K
Height
[m]
40 °C 45 °C 50 °C 55 °C 60 °C
1,000 1.00 0.94 0.88 0.83 0.78
1,500 0.97 0.91 0.85 0.81 0.76
2,000 0.94 0.88 0.83 0.78 0.73
2,500 0.90 0.85 0.79 0.75 0.70
3,000 0.86 0.81 0.76 0.71 0.67
