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Turbine Rotor

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The gas and steam turbine rotor manufacturing process employs our unique technology. The forged rotor sections are machined, inspected and then automatically welded together. This technique is unique to our manufacturing process. It ensures high integrity and maintenance-free rotors, but most important reduces weight by including defined cavities. Thanks to the reduced weight, the rotors reach their operating temperature faster and are less exposed to material stresses when cooling down. Overall, this allows a more flexible plant operation according to the necessary power load to be produced.

After ultrasonic testing and alignment, the rotor is mechanically machined in two stages: first the rotor is turned to measure on a large turning lathe, and then it is drilled and milled. After seals and blading are mounted, the finished rotor is balanced and undergoes an over-speed test.