REPAIR OF STEAM TURBINE ROTORS

The workshop for repair of steam turbine rotors performs works on factory repair of steam turbine rotor equipment. Trained staff and complex equipment allows us to perform a factory repair of rotors to turnkey – starting with sandblasting, finishing the balancing of the rotor.

In the workshop for the repair of steam and gas turbine rotors are working on the reduction repair of turbine rotors with the removal and replacement of blades, disks, coupling halves on the rotors of various designs – welded, solid-state, with nozzle discs for turbines up to 800 mW, various manufacturers. The shop is located in a new production building, built in 2012 with a modern heating and ventilation system. The height of the crane track is 14 meters, width 32 meters, length 48 meters.

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In the shop there is tilter a rotor , which allows to perform work on the removal and packing of disks in a vertical position for rotors with Packed disks.

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Heavy lathe 1a670 is designed for machining of rotors, as well as for turning of large-size products. The characteristics of the machine allow processing parts with a maximum diameter of 2.1 meters, length up to 12 meters and weight up to 63 tons.

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In the shop is also a new, modern dynamic balancing machine Diamex 36 000. The machine is designed for balancing rotors after repair. On the machine it is possible balance the rotor of weight from 2 to 40 tons, to up 12 meters long. Frequency of rotation when balancing is working 190-250 rpm, with a maximum of 900 rpm. the Machine is also equipped with lathe grinding attachment, allowing work on the measurements of the beating, grinding of end faces of the coupling halves.

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Lifting operations in the shop are carried out by a bridge crane operated from the floor with a capacity of 40/5 tons. The shop is equipped with the necessary tools and equipment for repair work. Production area and capacity of the shop allow to repair 4-5 rotors at the same time.

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