NOTICE
Use of incorrect attachment points
Use of incorrect attachment points may result in damage to the gear unit.
● Only attach the gear unit at the lifting eyes provided for this purpose.
● Do not use the pipework to move the gear unit. The pipework must not be damaged.
● Do not use the threads in the end faces of the shaft ends for attaching lifting equipment to
transport the gear unit.
● Lifting equipment must be adequately designed to accommodate the weight of the gear
unit.
5.6 Couplings
Introduction
The coupling parts might become misaligned as a result of:
● Failure to accurately align the parts during assembly
● During operation of the system:
– Due to thermal expansion
– Due to shaft deflection
– Due to machine frames that are too soft
NOTICE
Damage or destruction of the coupling through incorrect alignment
Refer to the coupling operating instructions for the maximum permissible displacements.
Under no circumstances may these values be exceeded in operation.
Angular and radial displacement might occur simultaneously. Make sure that the total value of
both displacements does not exceed the maximum permissible angular or radial
displacement value.
If couplings from other manufacturers are to be used, then, specifying the radial loads that
occur, ask the manufacturer which alignment errors are permissible.
The following diagram shows the possible displacements:
Mounting
5.6 Couplings
REDUREX Gear unit 5200en
Operating Instructions 03/2019 71
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