Mechanical Dynamics and Analysis (MD&A) was retained by a utility to perform a stub-shaft repair of a generator rotor collector-end shaft. The customer reported that the generator rotor had suffered a ...

Today’s power plant owners face many challenges, including the aging and degradation of equipment. Steam turbines at times may be condemned due to operating inefficiency or rising vibration levels. In ...

Time is as important as cost when deciding whether to run, repair or replace a failed rotor. As the owner/operator of a geothermal steam turbine learned last fall, waiting until completion of the ...

Rotor heads for helicopters are large and awkwardly shaped objects, and machining them from a forging is a challenging operation. When Leonardo Helicopters decided to bring manufacture of rotor heads ...