Shaft Torsional Failure
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Shaft Torsional Failure

TOTAL FAILURE IN TORSION OF PASTE THICKENER DRIVE SHAFT

 

shaft torsion 1.JPG (626665 bytes)

FAILURE MODE OF DRIVE SHAFT - FOLLOWING TORSIONAL FAILURE OF SHAFT, DRIVE CONTINUED TO RUN, CREATING A TWISTED SHAFT.  PURPOSE OF ANALYSIS WAS TO CONFIRM THAT RECORDED APPLIED TORQUE WAS CONSISTENT WITH FAILURE MECHANISM

 

shaft torsion 2.JPG (53328 bytes)

CLOSE UP VIEW OF FAILURE ZONE

 

shaft torsion 3.JPG (69234 bytes)

EXAMPLE FROM LINEAR ELASTIC FINITE ELEMENT ANALYSIS OF FAILURE MECHANISM

 

shaft torsion 4a.JPG (129200 bytes)

CONFIRMING FAILURE MECHANISM:  NON-LINEAR MECHANICAL EVENT SIMULATION

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