Machining Services

MD&A offers an outstanding array of field machining services and repair equipment for use on-site.  Our machining capabilities include the ability to on-site or in-shop repair horizontal joints on turbine casings, rotors, and nearly any rotating or stationary turbine-generator component.

We can address nearly any machining project within our 170,000 square foot Turbine-Generator Repair Facility, located in St. Louis, MO.  Our machinists are well-trained, seasoned professionals with in-depth knowledge of many of the strict tolerances, procedures, and specifications required to complete each repair.


  • Restoration of Casing Hook Fits & Rails
  • Removal & Replacement of Studs
  • Re-Rounding of Shells & Casings
  • Restoration of Casing Bolt Threads
  • Horizontal & Vertical Joint Welding & Machining
  • Journal Machining
  • Boring Bar Machining of Fits

Check this case study out:

In-Place Stationary Shaft Machining Capabilities

Learn more about the other Gas Turbine Repairs that MD&A offers.

May 12

MD&A Completes Significant Combined-Cycle Inspection and Overhaul

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MD&A Insight Blog
Sep 12

2023 Gas Turbine Fundamentals Seminar

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All Upcoming Seminars

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