Photo Gallery

Repairs  – Propeller hubs

Hub with Disk Bearing

Propeller hub
Propeller hub ready to be dismounted
Propeller hub – mechanically worked
The propeller hub receiving mechanical work
Flange sleeve – mechanically worked
The flange sleeves are mechanically worked
Flange sleeve
Flange sleeves are ready for fitting
Cooling
Flange sleeve is cooled in liquid nitrogen
Shrinkage
Shrinkage work on flange sleeves
Boring coiled spring pin holes
Coiled spring pin holes are drilled
Ready propeller blades
Propeller blades ready for fitting
Crank rings
Crank rings are turned to size
Mounting and Testing
The propeller is mounted and tested

Hub with Trunnion Bearing

Function testing of Propellers
The propeller needs to pass a function test
Tightening of blade bolts
Blade bolts are tightened
Ready hub to be transported
The hub is transport-ready
Mounting oil tubes
The oil tubes are mounted
Mounting servo cylinders
The servo cylinder is mounted
Mounting servo pistons
The servo piston is mounted
Hub´s inner parts
Inner parts of a hub
Crack test of a blade trunnion
Blade trunnion undergoes a crack test
Work done on a servo piston at a boring mill
Fitting new bushings and wear rings
Propeller hub at a boring mill
The propeller hub being worked at a boring mill