FLENDER RUPER RBS, Assembly And Operating Instructions Manual, Page: 28 / 78

Assembly
5.1 Preparatory work
28 Edition 09/2022 M3602-01en
Please consult Flender if you want to use an end plate.
Note the following when using a set screw:
• Diameter and axial position of the threaded hole in the hub
• Position of the threaded hole with respect to the parallel keyway
• Selection of the set screw
Diameter and axial position of the threaded hole in the hub
The axial position of the threaded hole is in the centre of the hub.
For types RWB and RBS with brake drum, machine the threaded hole in coupling part 3 (3)
as shown in the following diagram.
Figure 5-2: Angular position of the set screw hole in coupling part 3 (brake drum)
The following tables contain the values for the diameter of the threaded hole depending on
the finished bore.
Finished bore Threaded hole
d
1
Tightening torque
T
A
Nm
Width A/F
Hexagon socket
mm
Over
mm
Up to
mm
8 30 M6 4 3
30 38 M8 8 4
38 65 M10 15 5
65 95 M12 25 6
95 110 M16 70 8
110 150 M20 130 10
150 230 M24 230 12
230 600 M30 470 14
Table 5-2: Threaded hole, tightening torque and width A/F for RWB type