Siemens TV Converter Box 611 User Manual

Page of 324
 
Motor assembly 
 
6.1 Motor assembly 
Radial and axial forces 
)
D
)
U


 
Rotor with permanent magnets 
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, 6SN1197-0AD00-0BP7 
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