Assembly
5.3 Gear unit assembly
A5850-02en Edition 06/2022 51
5.3 Gear unit assembly5.3 Gear unit assembly
5.3.1 Foundation5.3 Gear unit assembly
Properties of the foundation
The foundation must have the following properties:
• Horizontal and flat
• Stability
• Designed for torsional rigidity
• Reaction forces from the gear unit must be braced
Requirements of the foundation
The foundation must meet the following requirements:
• Construct the foundation in such a way that it does not generate any resonance vibra-
tions and that it is isolated against the transmission of vibrations from adjacent founda-
tions.
• Design the foundation according to the relevant weight and torque, taking into account
the forces acting on the gear unit.
• Align the foundation carefully with the equipment installed on the input and output sides
of the gear unit.
• Take into account any elastic deformation that may be caused by operating forces.
• Install lateral stops to prevent displacement if external forces are acting on the gear unit.
NOTICE
Lack of stable foundation for the gear unit
Damage to the gear unit is possible if it is not mounted on a stable foundation.
Use bolts of at least strength class 8.8. Information and guidance on the tightening torque
can be found in chapter Tightening procedure (Page75). Tighten the fastening bolts and
nuts to the specified tightening torque. When tightening the fastening bolts, make sure that
the gear unit is free of mechanical stress.
Further information
You can find additional information about dimensions, space requirements and arrangement
of supply connections in the complete documentation for the gear unit.
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