Information on the application of motors
7.6 Operation under vibrational or shock stress conditions
1FT7 Synchronous Motors
234 Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
7.6 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 7- 4 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 1FT703 to 1FT710 may be operated with
higher loads, with the restriction that the service life will be reduced. In this case, only
operation outside the mounted natural frequency is permissible.
Peak acceleration Axial 20 m/s
2
Radial 50 m/s
2
Shock duration 3 ms 3 ms
7.7 Drive coupling
Function description
In order to achieve optimum drive-out characteristics, ROTEX
Ⓡ
GS couplings supplied by
KTR should be used. The advantages of ROTEX
Ⓡ
GS couplings include:
● 2 to 4x torsional stiffness of a belt-driven gearbox
● No intermeshing teeth (when compared to belt gearboxes)
● Low moment of inertia
● Good control behavior
They must be optimally harmonized with existing machine masses, the mounted mechanical
system, the machine stiffness, etc.
KTR provides assistance in the selection of the coupling, refer to http://www.ktr.com
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