Rush Engineering, Inc.

Finite Element Analysis

Finite element  model of horizontal motor frame assembly.
Motor Fram Model

 

 

Elements defining motor assembly internal components.
Internal Components

 

 

Horizontal resonance of motor assembly which is sensitive to bearing flexibilities.
Resonance Mode Shape

 

 

Model identifies rotor bending and bouncing behavior related to bearing flexibility.
Bendin and Bouncing Behavior

 

 

Test data verifies bearing flexibility estimates.
Test Data Confirms Bearing Flexibility

 

 

RESULTS:
Bearing flexibilities are modified to increase operating range of motor.

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