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– A precisely aligned coupling.
– A well-balanced drive output element (coupling, belt pulleys, fans, ...)
Maintain the maximum permissible vibration in operation according to ISO
10816. Avoid inadmissible vibration caused by imbalance, for example (drive
output element), external vibration or any resonance over the complete
speed range. It may be necessary to completely balance the machine with
the drive output element or the system resonance frequency must be
shifted.
• Foot mounting/flange mounting
– Use the specified thread size laid down in EN 50347 when flanging the
– Mount the machine at all the foot or flanged holes provided. The choice
– Select the correct screw length for IM B14 flanges.
– Ensure that the screw heads are in full contact with the flange surface.
3.3.2
Flatness of the supporting surfaces for conventional
motors
3.4
Installation
3.4.1
Preconditions for smooth, vibration-free operation
Preconditions for smooth, vibration-free operation:
• Stable foundation design
• Precise alignment of the machine
90
machine to a foundation or a machine flange.
of fixing elements depends on the foundation and is the plant operator's
responsibility. Comply with the required property classes for screwed
connections and materials for fixing elements.
Use additional flat washers (ISO 7093), especially for elongated foot
mounting holes.
Frame size
≤ 132
160
≥ 180
Flatness [mm]
0.10
0.15
0.20
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