Mechanical installation
Version: 2.1 ─── 43AS2000
Elastomer coupling [+]
Beckhoff elastomer coupling – operating instructions
The following chapter contains the most important information for
the mechanical installation of the Beckhoff elastomer coupling. For
further information, read the entire operating instructions for the
elastomer coupling.
Preparation
Use TPU-compatible lubricants
Do not use lubricating pastes, other high-pressure additives or oils
and greases containing molybdenum disulphide. Use Vaseline, for
example.
The use of unsuitable lubricants can lead to incompatibility with
the elastomer ring and impair the functionality.
Facilitated assembly
The bores in the coupling hub have an H7 fit.
Beckhoff recommends play of 0.1 – 0.5 mm between the coupling
hub and the shaft. The fitting tolerance and the oiling of the shaft
journals simplify the assembly and disassembly of the coupling.
Check the shaft connection dimensions and the tolerances. Make
sure that the shafts to be connected and bores in the hub are clean
and free from burrs. Adhere to the fitting tolerance and oil the shaft
journals prior to assembly.
When pushing the coupling hubs together, the compressive pre-
stressing of the elastomer ring requires an axial mounting force. The
axial force can be reduced after cleaning the elastomer ring and by
lightly oiling the contact surfaces.
Number Meaning
1 Spacing distance, see Technical data
2 Axial mounting force
3 Contact surfaces
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