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Operation Under Vibrational Or Shock Stress Conditions; Cantilever And Axial Forces - Siemens SINAMICS S120 Configuration Manual

Synchronous motors.
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Application
2.1 Environment
2.1.6

Operation under vibrational or shock stress conditions

In order to ensure problem-free operation and a long service life, the vibration values defined
in DIN ISO 10816 should not be exceeded.
Table 2-5
Vibrational velocity V
DIN ISO 10816
4,5
4,5
Deviating from the specified standard, motors 1FK702⃞ to 1FK710⃞ may be operated with
higher loads, with the stipulation that the service life will be reduced. In this case, only
operation outside the mounted natural frequency is permissible.
Peak acceleration
Shock duration
2.1.7

Cantilever and axial forces

Cantilever force stressing
Point of application of cantilever forces F
• for average operating speeds
• for a nominal bearing service life (L
Figure 2-3
Dimension x: Distance between the point of application of force F
in mm.
Dimension l: Length of the shaft end in mm.
For cantilever force diagrams, refer to the section "Technical Data and Characteristics,
Cantilever Force Diagrams".
30
Vibration values
[mm/s] accdg. to
rms
Force application point at the drive shaft end
Configuration Manual, (PFK7S), Edition 12.2006, 6SN1197-0AD16-0BP1
Frequency f [Hz]
10
250
Axial 20 m/s
2
3 ms
at the shaft end
Q
) of 20,000 h
10 h
Acceleration a [m/s
]
2
0,4
10
Radial 50 m/s
2
3 ms
and the shaft shoulder
Q
Synchronous Motors 1FK7

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