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Rotor core without sleeve
● The rotor core is not pre-balanced by the manufacturer.
● The "spindle shaft - rotor core without sleeve" system must be balanced, e.g. with
balancing disk.
To do this, use the balancing planes provided by the spindle manufacturer on the spindle
axis provided for this purpose.
①
②
③
Figure 5-8
5.3.6
Dismantling the rotor
Note
The rotor can be dismantled only for variants with sleeve.
The rotor core is dismantled from the spindle shaft using the oil pressing procedure, e.g. for
a bearing change.
The oil pressing procedure causes a high level of mechanical stress in the components.
Danger to life caused by oil under high pressure
The spurting of oil and/or mechanical damage at the hydraulic system can cause death or
severe injuries.
• Use only intact devices and resources for destressing.
• Observe the prescribed pressures.
Forcing oil between the spindle shaft and the rotor core releases the step press fit.
If the pressure is sufficient, the spindle shaft will slide off the rotor core.
The necessary section is specified by the construction of the stepped press fit. The section is
specified by dimension A in the "Rotor core dismantling" table.
The non-magnetic fixture must permit movement of the rotor core.
1FE1 synchronous built-in motors
Hardware Installation Manual, 12/2016, 610.43000.40b
Balancing disk (not included in scope of delivery)
Rotor core
Spindle shaft
Balancing a spindle shaft and rotor core without sleeve
WARNING
Mechanical mounting
5.3 Mounting/dismantling the rotor
69
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