Mechanical Data
2.1 Definitions
Operation under vibrational conditions, shock stressing
In order to ensure perfect functioning and a long bearing lifetime, the vibration values
specified according to ISO 10816 should not be exceeded.
Table 2-2 Vibration values
Vibrational velocity V
rms
(mm/s)
acc. to DIN ISO 10816
Frequency f (Hz) Acceleration a (m∕s
2
)
4.5 10 0.4
4.5 250 10
Deviating from the specified standard, motors 1FK702 to 1FK710 and 1FT602 to
1FT610 may be operated with higher loads but taking into account that the lifetime will be
reduced. In this case, only operation outside the natural frequency is permissible.
Peak acceleration Axial 20 m/s
2
Radial 50 m/s
2
Shock duration 3 ms 3 ms
Balancing (acc. to DIN ISO 8821) for motors with keyway
Motors with key in the shaft are half-key balanced. A mass equalization for the protruding
half key must be taken into account for the drive-out elements.
Cantilever force/axial force stressing
Refer to the appropriate motor Planning Guide for a description and diagrams.
Paint
Table 2-3 Paint finish for 1FT☐ and 1FK☐
1FT☐ 1FK☐
Anthracite (similar to RAL 7016)
Two component epoxy resin paint;
An additional paint finish is not required when the
motors are used in sub-tropical regions.
Without paint finish
Option: with paint finish (anthracite)
The motors must be ordered with a special paint
finish if they are to be used in sub-tropical regions
and if they are to be transported by sea. This
paint finish prevents the stator core from
corroding.
Degree of protection (acc. to EN 60034-5)
The motors are available in various degrees of protection. Refer to Table "Selecting the
motor degree of protection"
For motors with forced ventilation, the separately-driven fan is only available in degree of
protection IP 54. All of the seals are manufactured from fluoride rubber (FPM).
General Section for Synchronous Motors
2-4 Configuration Manual, (PJAL), 11.2005 Edition, 6SN1 197-0AD07-0BP4
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