MASSEY TECHNICAL SERVICE LLC 10-Millbrook Rd. Bridgeport WV. 26330 Phone:304-842-6948

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09/11/2001

 

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Operational Deflection Shapes

ODS - OPERATIONAL DEFLECTION SHAPES

Structural resonance is one of the most common problems affecting component failure in rotating machinery. Resonance occurs as a result of the interaction of rotational forces exciting natural structural modes. An Operational Deflection Shape (ODS) is the easiest way to actually see how a machine or structure moves during its operation.

Below is an ODS taken on a Longwall tail drive while being tested at the repair facility, under no load.  A future inspection will be completed underground with loaded conditions.  All points are related to the motor rpm.

Click below and start the video. For additional information please E-mail me with questions or comments.

 

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Last modified: May 19, 2015