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Assembly
5.3 Aligning and fixing the machine
● Smooth running
Preconditions for smooth, vibration-free operation:
– Stable foundation design free of any shock or vibration.
– A precisely aligned coupling.
– A well-balanced drive output element (coupling, belt pulleys, fans, ...)
Maintain the maximum permissible vibration values in operation according to ISO 10816-3.
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 machine to a
– Mount the machine at all the foot or flanged holes provided. The choice of fixing elements
– Select the correct screw length for IM B14 flanges.
– Ensure that the screw heads are in full contact with the flange surface. Use additional flat
5.3.2
Flatness of the supporting surfaces for conventional motors
48
foundation or a machine flange.
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.
washers (ISO 7093), especially for elongated foot mounting holes.
Shaft height
≤ 132
160
≥ 180
Flatness
[mm]
0.10
0.15
0.20
1PC134, 1PC136 crane motors SH 132 ... 315
Operating Instructions, 02/2019, A5E43212221A
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