Patent ID: 8196276

Claim:
A multi-functional rotary turning and positioning apparatus for performing multiple service operations on a turbomachinery rotor while the rotor remains continuously supported with the apparatus, the apparatus comprising: a platform; a rotary headstock mounted to the platform; a spindle coupled to and rotatably supported by the headstock and adapted for coupling to a turbomachinery rotor; bearing pedestals mounted to the platform and adapted for rotatably supporting the rotor; at least one motor means for turning the spindle at least two different rotational output speed ranges, wherein the at least one motor means comprises at least two motors coupled with gearboxes to provide the different rotational output speed ranges; operating means mountable to the platform for performing multiple service operations on the rotor; and means for controlling the rotational speed and angular position of the spindle for the purpose of performing the service operation with the operating means.