Turbine blade radial position gage

Details Turbine blade radial position gage Turbine blade radial position gage

1986-09-30

1988-01-12

Haroian, Harry N.

Geometrical instruments

Gauge

Pitchometer

33531, 33551, G01B 500

Patent

active

047181729

ABSTRACT:
A gage for determining alignment of a turbine rotor blade in an assembly position on a turbine rotor. The gage includes a precision base for positioning on the rotor surface adjacent a blade to establish a tangent line perpendicular to a rotor radial line through the center of a slot in which a blade is disposed. A standard extends from the base and carries a first contact for positioning against a low portion of the blade and a second measuring contact for positioning against an upper portion of the blade. The measuring contact provides an indication of blade misalignment.

REFERENCES:
patent: 2969597 (1961-01-01), Croshier
patent: 3273252 (1966-09-01), Bunge
patent: 3848338 (1974-11-01), Herman
patent: 4475291 (1984-10-01), Aymen
patent: 4533298 (1985-08-01), Partington
patent: 4601110 (1986-07-01), Donaldson

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