Mechanical properties
3.6 Radial and axial forces
1FW3 complete torque motors
Configuration Manual, 08/2020, A5E46027705B AA
53
Running inaccuracy and premature bearing failure
With the types of construction IM V3, IM V19 and IM V35, the force imposed by the weight
of the rotor and/or the force imposed by the weight of the customer attachment may
impermissibly reduce or even nullify the spring work force of the DE bearing.
As a consequence, the specified running accuracy cannot be maintained. Furthermore, the
bearings could fail prematurely.
• Get help from Technical Support. See Chapter "Introduction" for the contact information.
Bearings can be prematurely damaged, if force transmission elements apply too much load
to the shaft end as a result of radial forces.
• When using mechanical transmission elements, ensure that the maximum limit values
specified in the radial force diagrams are not exceeded.
Note
Bearing design and validity of the axial force diagram
When u
sing the axial force diagram, observe the maximum permissible radial force.
The axial force diagram is valid for x
< 100 mm.
When the bearing is designed, the motor operating speed must be rounded
-off according to
-higher speed curve.
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