FLENDER COUPLINGS N-EUPEX 3103en, Руководство по сборке и эксплуатации

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5. Mount the coupling parts 32 (32) and 2 (2) or 4 (4) on the shaft.
Note
Coupling parts with conical bore
Mount the coupling parts 32 (32) and 2 (2) or 4 (4) with conical bore and parallel keyway on
the shaft in cold condition. Secure the coupling parts with suitable end plates without pulling
the coupling parts further onto the cone (fitting dimension = 0).
Note
Coupling parts with cylindrical bore
To make assembly easier, you can heat coupling part 32 (32) and 2 (2) or 4 (4) with cylindrical
bore up to a maximum of 150 °C if required. Note when doing this the temperature range of
the flexible elements (12) (see section N-EUPEX flexible elements (12) (Page 59)). Remove
the flexible elements (12) if necessary. Protect adjacent components against damage and
heating to temperatures above 80 °C.
6. Secure the coupling parts 32 (32) and 2 (2) or 4 (4) with a set screw or an end plate. When
securing with a set screw the shaft must not protrude or be set back from the inner side of the
hub.
7. Tighten up the set screw or the screw to attach the end plate to the specified tightening
torque T
A
(for the set screw please see section Machining an axial locking mechanism
(Page 24)).
8. If you have removed the flexible elements (12), reinstall them.
9. Tighten the bolts in the coupling part 2 (2) and 3 (3) to the specified torque T
A
(see
section Tightening torques and widths A/F (Page 58)).
5.3 Aligning the coupling
5.3.1 Purpose of alignment
The shafts that are joined by the coupling are never on an ideal precise axis but have a certain
amount of misalignment.
Misalignment in the coupling leads to restoring forces that can stress adjacent machine parts
(e.g. the bearings) to an unacceptable extent.
The misalignment values in operation result from the following:
• Misalignment due to assembly
Incorrect position due to a lack of precision when aligning
• Misalignment due to operation
Example: Load-related deformation, thermal expansion
Assembly
5.3 Aligning the coupling
Assembly and operating instructions 3103en
Edition 10/2020
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