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Rotor Steeple Indications and Diaphragm Repairs

diaphragms repairs, Rotor Steeple

Mechanical Dynamics & Analysis (MD&A) experts recently completed steampath inspection and repair services for a customer during a major overhaul. The Alstom® steam turbine consisted of an HP/IP turbine (stages 1-15) and a single flow LP turbine (stages 16-21). A detailed incoming inspection was performed for the HP/IP and LP rotors and found relevant indications […]

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Bucket and Thrust Collar Replacement

Bucket and Thrust Collar Replacement

In a forced outage for a customer’s steam turbine, MD&A’s experts at the St. Louis Turbine-Generator Repair facility successfully replaced four rows of buckets (turbine blades) in the HP & LP sections, replaced the thrust collar, and performed other repairs on both the rotating and stationary components. This meticulous inspection, rebuild and installation illustrates how […]

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Frame 5 Gas Turbine Rotor Repair

turbine rotor

Mechanical Dynamics & Analysis (MD&A) repaired a Frame 5 gas turbine rotor.  MD&A replaced 1st and 2nd stage buckets, repaired the seal area on the row 1 turbine wheel, performed compressor blade blending, and machined the thrust collar to accommodate the newer style thrust bearing at the No. 1 bearing. During their planned major inspection, the […]

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Steam Turbine Rotor Repairs

High Speed Balance Steam Turbine Rotor

Mechanical Dynamics and Analysis inspected and repaired a 20 MW industrial rotor. The unit was a 15 stage single condensing design. MD&A’s experts successfully designed and modified the N-1 packing area, and removed the stage 3 and 4 wheels. Power plant owners face a major challenge of keeping aging turbines up and running — efficiently […]

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Mechanical Dynamics & Analysis LLC   |   19 British American Blvd., Latham, NY 12110   |   P (518) 399-3616   |   F (518) 399-3929