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Home Publications Articles Diagnostics of shafting lines assembly in large power turbo-units using shaft sensors

Diagnostics of shafting lines assembly in large power turbo-units using shaft sensors

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Satisfying operation of a turbo-unit can be reached by elimination of unacceptable values of defects, good alignment of details in hot position, stable position of supports in the turbo-unit, i.e. absence of considerable damages in their base or support shift during the change from cooling or cold condition to hot condition.

The article touches upon operational detection of various defects of big power turbo-units’ shaft lines assembly, made during repair works. Specifications of rotor movements and variable stress in rotor journals, weld joints and half-coupling bolts are shown by the numerical defect modeling. The examples and basic causes of half-coupling bolts operational distortion are revealed. Also, the article shows specifications of automatic diagnosing and quantitative measurement of defect parameters in turbo-unit condition monitoring systems.

 

Kumenko A.I. Diagnostics of shafting lines assembly in large power turbo-units using shaft sensors // Dinamika sistem, mehanizmov i mashin (Dynamics of systems, mechanisms and machines). - Omsk: OmSTU, 2014. - Iss. 4. - p. 161-164.

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You can order the translation by e-mail: a@dynamics.ru


Tags: condition monitoring diagnostics vibration analysis non-destructive testing diagnostic features machinery Date: 17.10.2017
Views: 384
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