Advantages of the Welding Rotor Relative to Other Structural Rotor

Advantages of the Welding Rotor Relative to Other Structural Rotor

In large steam turbine (especially half speed) of the manufacturing process, the welding rotor structure has the advantage that the rotor of other structures does not have.

① flexible design, compact structure, can be used for small forgings, easy to forge, easy to ensure the intrinsic quality;

② can form inside the cavity, reduce the weight of the rotor, thin of the wall thickness, the temperature difference between the inner and outer rotor is reduced, reduce the thermal stress of the rotor, also improve the critical speed;

③ due to the rotor groups by welding a plurality of wheels, each section of the wheel can perfect heat treatment, easy for each section of inspection, when finding defects, also easy to repair and replacement, etc.