Operation; Derating In Case Of Deviating Ambient Conditions - Bosch Rexroth MS2S Operating Manual

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Derating in case of deviating ambient conditions

Fig. 7: Vibration load on measuring points
Table 15: Permissible vibration load for MS2S
motors
Direction Measuring point
radial 1, 2 (radial motor flange)
4, 5 (radial bearing shield) 50 m/s²
Axial 3 (axial motor flange)
6 (axial bearing shield)
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.
Bosch Rexroth AG
Decommission the drive when deviations from
normal operation exist. For further procedure
refer to .
8.5
Reduce high performance data:
1. Reduce the standstill torque M
fied in the data sheet, with the following
factors.
We have:
M
Limit
M
value
(10-200
2. Pan the S1-characteristic curve M
0 Hz)
allel to the speed axis to the junction of the
S1-characteristic curve and to the calcu-
Motors
lated point M
Self-
�� The determined characteristic curve
cooling
30 m/s²
10 m/s²
25 m/s²
M
0
M
0 red
Fig. 8: Determine S1-characteristic curve M
with derating factor f
Table 16: Derating factors for self-cooling 60K
Height
[m]
1,000 1.00
1,500 0.97
2,000 0.94
2,500 0.90
3,000 0.86
Derating in case of devi-
ating ambient conditions
= M × f
0 red 0 60K TH 60K
= M × f
0 red 0 100K TH 100K
on the torque axis.
0 red
M shows approximately the S1-
S1 red
characteristic curve with appropriate
derating.
M
S1
M
S1 red
n [1/min]
TH
40 °C 45 °C 50 °C 55 °C 60 °C
0.94 0.88
0.91 0.85
0.88 0.83
0.85 0.79
0.81 0.76
R911410077, Edition 01
MS2S
, speci-
0 60K
par-
S1
S1 red
0.83 0.78
0.81 0.76
0.78 0.73
0.75 0.70
0.71 0.67