Mechanical mounting
6.3 Installing/removing the rotor
SIMOTICS M-1FE2 built-in motors
Hardware Installation Manual, 04/2020, A5E50074509B AA
99
Assembly temperatures
Cold process (stretching)
1)
Combined cold-hot pro-
cess
1)
For asyn-
chronous
version
For asyn-
chronous
version
For asyn-
chronous
version
Temperature
of the rotor
core
135 ...
140 °C
Not recom-
mended
20 ... 40 °C
Not recom-
mended
135 ...
140 °C
270 ...
300 °C
2)
Temperature
of the spindle
shaft
10 ... 20 °C -160 ... -
196 °C
-40 ... -
30 °C
-30 ... 0 °C
2)
After joining, dry the rotor core and spindle shaft (2...3 hours at approx. 60 °C)
2)
The difference in temperature between spindle shaft and rotor core must be at least 300 K.
Requirements for mounting
Note
Depending on the weight of the rotor core, use lifting gear and load suspension devices
capable of carrying the components.
● Check that the resources function properly.
● Check the dimensions of the joining surfaces on the rotor and on the spindle shaft. The
dimensions required for your motor can be found on the dimension sheets in Chapter
"Dimensional drawings (Page 191)".
Note
Avoid positioning errors
•
Carry out the joining procedure without delay.
Observe the position of the holes for the rotor core.
Note
Installing balancing disks
Depending on the type of rotor (without or with sleeve) and the balancing method, you may
have to mount balancing disks together with the rotor on the spindle shaft.
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