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Stork gearbox repair

Flender Graffenstaden
type TX80 2CV

Complete inspection of a 55 MW load gearbox

Projectdescription
Stork Gears & Services was hired for the complete inspection of a 55 MW load gearbox. During this inspection a full visual inspection of the pinion, gear wheel and white metal bearings has been carried out. Also bearing clearances (with inside micrometers), backlashes (main gear set and pump drive) and axial float of the high speed shaft have been checked.
The load gearbox is part of a gas turbine driven generator set. Our engineers - with power market specific expertise - were able to multi-task in a high demanding environment, from supervision and projectmanagement to executing of onsite-maintenance and complete inspections. We completed the whole project within the fixed timeline of two weeks.

Diagnostic services
Stork Diagnostic Services is a service-oriented part of our company and is able to carry out various sorts of measurements in order to demonstrate the behaviour of the customer's installation. Our Optimization Department recorded the vibrations of the complete installation including the gas turbine, the load gearbox and generator. Read more about our Diagnostic Services


Location
Belgium

End user
Energy Services company

Market segment
Power generation

Scope
Time-based preventive maintenance of the gearbox
Inspection of the pinion, gears, bearings and shafts
Vibration measurements of the gasturbine, load gearbox and generator

Application data

Flender-Graffenstaden Gearbox, type TX80 2CV
55 MW
RPM 3600/1500
LM6000 gas turbine driven generator 55MW
Inspection of a load gearbox Flender Graffenstaden Removing the upper casing Turning gear clutch and pump drive gears
Adjustable bearing for the high-speed shaft Static tooth contact pattern, blue engineering High speed shaft
High speed shaft Removing the midcasing Removing the midcasing
Low speed shaft Radial axial bearing low speed shaft Bearing inspection
Inspection of a load gearbox Flender Graffenstaden
Click the thumbnails to enlarge