Installation
7.4 Installing the motor spindle
SIMOTICS M-1FE2 built-in motors
108
Configuration Manual, 05/2021, A5E50494252B AB
7.4.2
Magnetic forces that occur on synchronous motors
Note
This chapter applies only to rotors with permanent magnets (synchronous version).
The higher magnetic forces present as a result of the permanent magnets in the rotor draw
the spindle into the stator bore.
①
Spindle shaft with rotor core
②
Stator core with spindle housing
F
a
Axial attractive force
F
r
Radial attractive force
Figure 7-13 Attractive_forces_motor_spindle
Magnetic forces that occur in stators with permanent magnets (synchronous version)
The magnitude of the present magnetic forces is motor-specific.
Table 7- 4
Magnetic forces that occur in synchronous motors
Motor type
F
a
/ N
F
r
/ N
16-pole synchronous built-in motors
1FE2182-8L
□□□
-
□□□□
500
6000
1FE2183-8L
□□□
-
□□□□
500
7500
1FE2184-8L
□□□
-
□□□□
500
9000
1FE2185-8L
□□□
-
□□□□
500
10500
1FE2186-8L
□□□
-
□□□□
500
12000
1FE2187-8L
□□□
-
□□□□
500
13500
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