Siemens SIMOTICS S-1FT7 User Manual

Mechanical properties
3.10 Vibration response
S-1FT7 synchronous motors
Configuration Manual, 09/2018, A5E45099423B AA
63
Figure 3-15 Vibration severity grades
Vibration response
To ensure proper functioning and to comply with the motor specification (in particular the
bearing lifetime), observe the vibration values specified in the following table.
Table 3- 17 Vibration values
Vibration velocity V
rms
to ISO 10816
max. 4.5 mm/s
Vibration acceleration a
peak
axial
1)
25 m/s
2
Vibration acceleration a
peak
radial
1)
50 m/s
2
1) For motors with separately driven fan, the limit value for axial and radial vibration acceleration is
limited to 10 m/s
2
.
Select the measuring locations according to ISO 10816-1 para. 3.2. The vibration values
must not exceed the specified limits at any measuring location.
1
Bearing shield DE radial
4
Bearing shield NDE radial
2
Bearing shield DE radial
5
Bearing shield NDE axial
3
Bearing shield DE axial
6
Bearing shield NDE radial
Figure 3-16 Measuring locations for vibration values
The vibration acceleration is evaluated in the frequency band from 10 to 2000 Hz. The
maximum peak value in the time range is considered here.
To evaluate the vibration velocity, the measuring equipment shall meet the requirements of
ISO 2954.

Siemens SIMOTICS S-1FT7 Specifications

General

Brand	Siemens
Model	SIMOTICS S-1FT7
Category	Engine
Language	English