Siemens FLENDER K SH Series - Page 55

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BA 5846 en 05/2015
5
4
6
3
1
2
Fig. 28: Hollow shaft with parallel keyway, demounting with end plate
1 Machine shaft
2 Hollow shaft
3 Parallel key
4 End plate for forcing out
5 Screws
6 Forcing-off screws
NOTICE
Material damage
Damage to the gear unit possible through canting during demounting work.
When pulling the gear unit off the drivenmachine shaft any canting must be avoided.
Note
The auxiliary plate for forcingout is not included in the scope of delivery of Siemens.
NOTICE
Material damage
Damage to the gearunit housing or other gearunit components.
If the support is provided not only by the hollow shaft, but also by the housing, when forcing the gear unit
off, as shown in figure 27, the forces used must not exceed the values given in table 8 below.
Before the gear unit is fitted on the machine shaft again, the hollowshaft bearings must be checked for
damage.
Table 8: Maximum forcingoff pressures
Gear-unit
size
Maximum forcing-off
pressure
N
Gear-unit
size
Maximum forcing-off
pressure
N
15 / 115 193000 20 / 120
1)
16 / 116 215000 21 / 121
1)
17 / 117 240000 22 / 122
1)
18 / 118 266000 23 / 123
1)
19 / 119
1)
24 / 124
1)
1)
on request
Note
When using forcingoff screws or threaded spindles, the head of the thread pressing against the driven
machine should be rounded and well greased to reduce the risk of seizing at this point.