Method and apparatus for aligning turbine internal components

Details Method and apparatus for aligning turbine internal components Method and apparatus for aligning turbine internal components

1978-08-14

1980-03-04

Little, Willis

Geometrical instruments

Area integrators

Electrical

33169C, 33286, G01B 730

Patent

active

041909615

ABSTRACT:
A method is presented for aligning internal turbine components, such as a packing ring holder, a rotor during assembly of the turbine. The method includes the step of inserting a plurality of proximity probes into a gap between the rotor and the packing ring holder. Thereafter, the packing ring holder is adjusted until the readouts from all probes are the same. In order to practice the method, a tool has been devised for inserting the proximity probes into the gap. The tool comprises a semi-rigid metal strip upon which the probes are spaced and mounted and further includes means for biasing the probe away from the rotor surface.

REFERENCES:
patent: 3426437 (1969-02-01), Rebhun et al.

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