Power Station Steam Turbine Casing Machining & Modification

PROJECT:
Power Station Steam Turbine Casing Machining & Modification


LOCATION:

GREECE


CLIENT:ELPEDISON


DURATION OF REPAIRS:

10 Days

During steam turbine overhaul it was requested to remove all ¨J¨ type sealing strips from the high pressure casing, install new ones and machine to desired dimensions as well as modifying the outer geometry of the casing. The work included the following stages:
 

  1. Rigorous inspection, measurements and damage assessment
     

  2. Removal of all casing strips by machining on our CNC MX5RAM boring & milling machine
     

  3. Fitting of new strips supplied by customer
     

  4. Machining of new strips to match turbine rotor dimensions
     

  5. Assembly of the casing and modification by machining the designated diameters in order to remove born cracks