Operation
Relative humidity 5 … 95 %
Absolute humidity
1 … 29 g/m
3
Tab. 5-1: Ambient conditions
5.1.1 Vibration load during operation
Vibrations are sine-wave oscillations in stationary use, which vary in their effect
on the resistance of the motors depending on their intensity. The specified limit
values are valid for frequencies of 10-2,000 Hz during stimulation on the motor
flange. Limitations can be necessary for occurring resonances depending on the
application and installation situation. The following limit values apply according
to EN 60068-2-6 for MS2N motors:
Fig. 5-1: Vibration load on measuring points
Direction
Measuring point
Limit value (10-2000 Hz)
Motors
Self-cooling
Motors
Forced ventila-
tion
Motors
Water cooling
Radial
1, 2 (radial motor flange) 30 m/s² 10 m/s² 10 m/s²
4, 5 (radial bearing shield / fan) 50 m/s² 25 m/s² 25 m/s²
Axial
3 (axial motor flange) 10 m/s² 10 m/s² 10 m/s²
6 (axial bearing shield / fan) 25 m/s² 25 m/s² 25 m/s²
Tab. 5-2: Permissible vibration load for MS2N motors
Check the vibration load on the fan housing in case of forced ventilation. The
specified values must not be exceeded.
40/101
Operating conditions and handling
MS2N Synchronous Servomotors
Bosch Rexroth AG R911347581_Edition 04
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