Wednesday, 26 December 2012

CONSTRUCTION OF BEARING NO.1



1) BEARING

The TG unit is mounted on 1 bearing.HPT rotor is mounted on two bearings, a double wedged journal bearing at the front and combined/journal bearing adjacent to front IP rotor coupling. The IP & LP rotors have a journal bearing each at the end of the shaft. The journal bearing of IP & LP rotors are self adjusting tragspiegal bearings. The bearing pedestals are anchored to the foundation and are fixed in position. The HP & IP cylinder rest through their support palms on bearing pedestals’. The axial position of HP cylinder is fixed at the casing guide on the front end of HP-IP pedestal .The expansion of IP cylinder takes from hp-ip pedestal towards generator. The fixed point for the LP outer casing is at the center of the longitudinal girder.

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