User's Manual

Motor assembly
6.1 Motor assembly
Radial and axial forces
)
D
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U


1 Rotor with permanent magnets
2 Stator
F
a
Axial attractive force
F
r
Radial attractive force
Figure 6-1 Active forces when stators and rotors are installed
Radial forces between the stator and rotor
The following table shows the active radial forces (in N per 0.1 mm centering error) between
the stator and rotor. The longer the active component, the greater the radial force.
Table 6- 1 Radial forces in N/0.1 mm with radial centering errors during installation
Length of active
component:
50 mm
Length of active
component:
70 mm
Length of active
component:
100 mm
Length of active
component
110 mm
Length of active
component:
150 mm
Length of active
component
200 mm
1FW609 240 330 470 - 710 -
1FW613 360 500 710 - 1070 -
1FW615 330 460 660 - 990 -
1FW616 290 410 590 - 880 1180
1FW619 350 490 710 - 1060 1410
1FW623 420 590 840 - 1260 1680
1FW629 - 600 - 940 1280 1630
Note
You must note the radial forces between the stator and rotor as well as the maximum
permissible concentricity error specified in the dimension drawings.
1FW6 Built-in torque motors
Configuration Manual, 05/2009, 6SN1197-0AE00-0BP3
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