Table 5-2 Permissible Deviations For Aligning The Machine With Flexible Coupling; Schematic Diagram: Aligning The Machine To The Driven Machine; Image - Siemens 1LA8 Operating Instructions Manual

4. When positioning the machine, ensure that a uniform axial gap (y→0) is maintained around
5. Fix the machine to the foundation. The choice of fixing elements depends on the foundation
Table 5-2
Max. speed n
n
max
1500 rpm < n
Note
Machine expansion
When performing alignment, make allowance for the thermal expansion of the machine due
to rising temperature.
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2016
the coupling.
and is the plant operator's responsibility.
①
Plates placed under the motor for alignment
②
Laser alignment

Image 5-3

Schematic diagram: Aligning the machine to the driven machine

Permissible deviations for aligning the machine with flexible coupling
max
≤ 1500 rpm
≤ 3600 rpm
max
Max. parallel offset x
x = 0.08 mm
max
x = 0.05 mm
max
5.3 Installing the machine
Max. angular offset y
y = 0.08 mm / 100 mm ∅ D
max
y = 0.05 mm / 100 mm ∅ D
max
Assembly
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