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DFLP Rotor Straightening and Machining

DFLP Rotor Straightening

Mechanical Dynamics & Analysis was contracted to straighten and machine a double flow low pressure (DFLP) rotor from a 3,600 rpm, 103 MW combined cycle power generating unit. The rotor forging arrived with both shaft ends bent. The Turbine end shaft end was bent and found to have a 0.007” total indicator runout (TIR) at […]

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A-10 Rotor Straightening & High Speed Balance

A-10 Rotor Straightening

Mechanical Dynamics and Analysis inspected and repaired an A-10 frame High-Pressure rotor. The unit was a 3600 rpm, 90 MW combined-cycle unit.  MD&A’s Turbine-Generator Repair Facility performed the incoming inspections/evaluations, repair straightening of the rotor, final inspections, as well as high-speed balance. Incoming inspections and evaluations consisted of blast cleaning, NDE, visual inspections, material verification, […]

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